40results about How to "Exact usage" patented technology

The invention relates to a deep detection method of an IPSec VPN protocol based on stream, which is applied in the network safety field. The deep detection method of the invention firstly carries out cyclic monitoring under the promiscuous mode that network card is opened in an intelligent agent or a probe machine, and a BPF filter is arranged to snatch an IPSec VPN message. The deep inspection method can store and carry out deep detection on the sequence stream of IPSec message, can identify and analyze whether the IPSec VPN message is faked and is the message of non-standard format or not, and can analyze the differences between the message of non-standard format and the message of standard format according to the context of the sequence stream of the IPSec VPN message. The deep detection method provided by the invention based on the session state of the protocol has considerable intelligence and stable performance, can analyze the message of unknown format and can be easily realized and applied in the fields such as supervision agency, firewall, IDS, etc.

The invention discloses a depth-detecting method based on an IPSec VPN protocol which is matched with the offset of messages, being used for the field of network security. The method of the invention comprises the steps that: firstly, circular monitoring is carried out by opening the promiscuous mode of a network card on an intelligent agent or probe machines; a BPF filter is arranged to fetch IPSec VPN messages, to which depth detection is carried out. The algorithm can identify and analyze that whether the IPSec VPN messages are fabricated and whether the format of the IPSec VPN messages are standard or not. The method of the invention can not only detect a standard ISAKMP data packet, but also can correctly analyze the ISAKMP data packet which is non-standard IPSec and is added with padding data with unknown length, thereby realizing the detecting method generally used for detecting the IPSec messages. The same idea can be popularized for detecting other protocols.

The invention provides a household medicine box device based on the RFID technology and belongs to fields like electronics and the internet of things. By means of the household medicine box device, the conditions that a patient forgets the time for taking medicine, the patient takes medicine out of date, and the patient fails to detect the fact that none medicine is accommodated in the medicine box and consequently buying medicine is delayed when the patient places and uses the medicine at home can be avoided, and medicine information and expiry dates are recorded and the amount of left medicine can be recorded when the medicine is put into the household medicine box device.

The invention provides a testing device for an ignition distance of an aerosol spray, which comprises a control component, a spray generating component and a combustion component. The distance between the spray generating component and the combustion component is controlled by the control component; the spray generating component is used for controlling the spraying of the spray product; and the combustion component can spray the spray out of the product within a certain distance so as to generate spray for continuous combustion, so that the ignition distance of the aerosol spray is determined. The testing device is used for testing the ignition distance of the ignitable aerosol spray. Therefore, the safety of aerosol sprays and other dangerous chemicals in production, management and test is guaranteed.

The invention discloses a spectrum signal identification method based on Fourier series fitting denoising. The method comprises the following steps: (1) removing the corresponding signal whose spectrum power value in the original signal spectrum diagram exceeds a set threshold value, and recording the sequence value of the signal corresponding to the baseband part of the signal and the intensity value corresponding to the signal; (2) using the signal corresponding to the baseband part of the signal as a fitting point, and obtaining the fitting curve by fitting the signal with the seventh-orderFourier series; (3) obtaining the fitting curve corresponding value by using the sequence value of the signal points corresponding to the baseband part of each signal, subtracting the fitting curve corresponding value from the signal strength value corresponding to the original signal, and obtaining the signal after correcting the baseline drift and the corresponding spectrum map; (4) using the energy detection method to identify the signal after the correction of baseline drift, and obtainingthe spectrum signal usage table is obtained. It can accurately identify the use of spectrum, high accuracy and low computational complexity.

The invention discloses a method for quickly reducing temperature and pressure of a runaway reaction system. Devices used in the method include a reaction tank, a storage tank I and a storage tank II, wherein each of the reaction tank and the storage tank I is provided with an inlet and an outlet; the outlet II of the reaction tank and the inlet I of the storage tank I are connected through a first pipeline; the outlet I of the storage tank II and the inlet II of the reaction tank are connected through a second pipeline; and the second pipeline extends into the reaction tank, forms a coil shape in the middle of the reaction tank, and then extends out through the top of the reaction tank to the storage tank II; and a stirring device is mounted and started to react. Along with proceeding of reaction, the temperature and pressure of the reaction system are raised. When the temperature and pressure are raised to the maximum value of a safety valve, the safety valve is opened. At this moment, high-temperature gas enters the first storage tank I through the first pipeline. A cooling liquid in the storage tank I is discharged from the outlet I of the storage tank I and enters the reaction tank from the front section of the second pipeline and sequentially passes through the middle section and the tail section of the second pipeline, thereby achieving the function of reducing the temperature of the reaction system.

The invention relates to a method for determining the influences of impurities on the thermal stability of a liquid self-reactive substance, and mainly solves a problem that methods for testing the influences of the impurities on the thermal stability of the liquid self-reactive substance are not established in the prior art. The method for determining the influences of impurities on the thermal stability of the liquid self-reactive substance adopts differential scanning calorimetry, vacuum stability and self accelerating decomposition temperature (SADT) testing processes to respectively determine the thermal stability, the stability under vacuum conditions and SADT of each of the liquid self-reactive substance and a liquid self-reactive substance and impurity mixture in order to evaluate whether the impurities are compatible with the liquid self-reactive substance to be tested or not, and can be used to determine the influences of the impurities on the thermal stability of the liquid self-reactive substance.

The invention discloses a device for adding diluent and inhibitor rapidly and uniformly in case of stirring failure. The device comprises a reaction tank, a first storage tank, a second storage tank and a third storage tank, the inhibitor is placed in the first storage tank, the diluent is placed in the second storage tank, cooling solvent is placed in the third storage tank, the first storage tank and the second storage tank are connected with the reaction tank through a main feed pipeline, a feed pump and an inlet valve are arranged on the middle segment of the main feed pipeline, the tail segment of the main feed pipeline is located below a stirring paddle, the tail segment is in a coil shape, and multiple feed holes are distributed in the coil surface; the reaction tank is connected with the third storage tank through a main discharging pipeline, a safety valve is arranged on the front segment of the main discharging pipeline, an outlet valve is arranged on the middle segment of the main discharging pipeline, the tail segment of the main discharging pipeline is located at the top of the reaction tank, the tail segment is in a coil shape, and multiple discharging holes are distributed in the coil surface. According to the device, by adding the diluent and the inhibitor into the reaction tanks, the occurrence of out-of-control reaction can be prevented rapidly.

The invention provides a device for preventing an automobile rear distant light from dazzling a driver and belongs to the field of electronics. The device can prevent the driver from being disturbed by light of the automobile rear distant light at night and improves running safety and driving comfort.

The invention relates to a method of testing release rate and composition of gas released by calcium carbide dust upon contact with moisture, and mainly solves the problem of the prior art where detection of the release rate and composition of flammable explosive gas produced by reaction of calcium carbide dust with water vapor has poor effect. The method used herein is characterized in that an apparatus of testing release rate and composition of gas released by calcium carbide dust upon contact with moisture is used to test the release rate and composition of the gas released by the calcium carbide dust upon contact with moisture, the apparatus comprises a water vapor premixer, a precision moisture meter, a calcium carbide dust raising unit, a calcium carbide dust raising controller, a gas release rate test system, a gas composition test system and a computer control system, the water vapor premixer is capable of generating water vapors of different humidities, and the water vapor premixer is connected with the precision moisture meter; by using the above technical scheme, the problem above is well solved; the method is applicable to the test on release rate and composition of gasreleased by calcium carbide dust upon contact with moisture.

The invention discloses a device for quickly and uniformly adding diluent and inhibitor when stirring fails, which includes a reaction tank, a storage tank 1, a storage tank 2 and a storage tank 3, the inhibitor is placed in the storage tank 1, and the storage tank 2 is placed Diluent, cooling solvent is placed in the third storage tank, the first storage tank, the second storage tank and the reaction tank are connected through the main feeding pipeline, the middle section of the main feeding pipeline is provided with a feeding pump and an inlet valve, and the main feeding pipeline The tail section is located below the stirring paddle, and the tail section is in the shape of a coil, with several feeding holes distributed on the disk surface; the reaction tank and the storage tank three are connected by the main discharge pipe, and the front section of the main discharge pipe is set There is a safety valve, the middle section of the discharge main pipe is provided with an outlet valve, the tail section of the discharge main pipe is located on the top of the reaction tank, the tail section is coiled, and there are several discharge holes distributed on the disk surface. The device quickly stops runaway reactions by adding diluents and inhibitors to the reaction tank.

The invention relates to an apparatus of testing release rate and composition of gas released by calcium carbide dust upon contact with moisture, and mainly solves the problem of the prior art where detection of the release rate and composition of flammable explosive gas produced by reaction of calcium carbide dust with water vapor has poor effect. The apparatus of testing release rate and composition of gas released by calcium carbide dust upon contact with moisture comprises a water vapor premixer, a precision moisture meter, a calcium carbide dust raising unit, a calcium carbide dust raising controller, a gas release rate test system, a gas composition test system and a computer control system; by using the above technical scheme, the above problem is well solved; the apparatus is applicable to the test on release rate and composition of gas released by calcium carbide dust upon contact with moisture.

The invention discloses a method for rapidly calculating the self-accelerated decomposition temperature of a substance and application of the method, and belongs to the technical field of research on rapid determination of thermal hazard characteristics of the substance. The technical problems of high risk and the like caused by long self-accelerated decomposition temperature test period and large test sample quantity are solved. The method comprises the following steps of: testing decomposition reaction and exothermic characteristics of a substance in air to obtain a thermal flow velocity curve of the substance; observing whether an exothermic peak appears in a thermal flow velocity curve within the range of room temperature to 300 DEG C, if the exothermic peak appears, calculating the thermal stability parameter of the substance, and calculating the thermodynamic parameter of the substance; the relation that the temperature changes along with a reaction heat release rate according to the thermodynamic parameter is formulated, and the relation that the temperature changes along with the heat removal flow rate of a cooling system according to a packaging parameter corresponding to the substance is formulated. and finally, when the qe is tangent to the qr, the environment temperature corresponding to the qe is the SADT of the substance. According to the method, the self-accelerated decomposition temperature of the substance can be quickly and effectively obtained, and the safety is high.

The invention discloses a method for predicting the service life of a turbine impeller. The method comprises the steps: setting a simulation criterion for simulating turbine crack propagation; according to stress analysis of the turbine, setting initial conditions and termination conditions for simulating crack propagation of the turbine; and based on the initial condition, utilizing a preset crack propagation algorithm to execute crack propagation simulation on the turbine impeller until a termination condition is met, obtaining a simulation result, and determining the predicted life of the crack propagation of the turbine impeller. According to the method for predicting the service life of the turbine impeller, the collapse unit is adopted to simulate the stress singularity of the crack tip on the basis of a method for simulating turbine crack propagation through the propagation finite element method, and the effect of simulating and predicting the crack propagation service life in a segmented mode is achieved. By means of the method, the crack propagation life of the turbine can be effectively predicted, stress intensity factors of cracks of different lengths of the turbine can be calculated, the crack propagation path can be determined, and a powerful basis is provided for fatigue analysis of the turbine.

The invention provides a device for realizing parking positioning monitoring through a surface acoustic wave label, and belongs to the fields of electronics, signal detection, communication and the like. The device comprises an SAW identification module, an SAW reading module, an SAW parking signal processing module, a wireless information sending module, a wireless information receiving module, a comprehensive information processing module and a parking information prompting module, wherein the SAW identification module is placed in a vehicle, the SAW reading module, the SAW parking signal processing module and the wireless information sending module are mounted beside a parking space, and the wireless information receiving module and the comprehensive information processing module are mounted in a dispatch command center. The device is used for performing dynamic monitoring on the service conditions of parking spaces in a parking lot, and reasonably dispatching vehicles going in and out of the parking lot.

The invention discloses a new energy vehicle travel simulation method based on cloud computing, and the method comprises the following steps: collecting the travel distances of a plurality of new energy vehicles in different road conditions and different time periods in a large range and the electric quantity of an internal battery consumed by the travel, and specifically referring to a formula W = (V1-V2-T) / S; through the loss, the cloud computing system can more accurately calculate the electricity consumption required by the driving mileage of the automobile and accurately display the endurance mileage of the remaining electricity in the central control display area, and a connecting rod clamping structure arranged at the upper end of a storage battery is controlled through a wireless network of the central control area; the clamped temperature sensor can transmit the temperature around the storage battery to a central control area in real time for statistical recording, and transmit the temperature to a cloud to calculate the loss of the battery at the temperature, so that the use condition of the electric quantity is further accurate; and the endurance demand of the new energy vehicle can be more intuitively known during long-distance and short-distance use.

The invention relates to an apparatus of testing release rate and composition of gas released by calcium carbide dust upon contact with moisture, and mainly solves the problem of the prior art where detection of the release rate and composition of flammable explosive gas produced by reaction of calcium carbide dust with water vapor has poor effect. The apparatus of testing release rate and composition of gas released by calcium carbide dust upon contact with moisture comprises a water vapor premixer, a precision moisture meter, a calcium carbide dust raising unit, a calcium carbide dust raising controller, a gas release rate test system, a gas composition test system and a computer control system; by using the above technical scheme, the above problem is well solved; the apparatus is applicable to the test on release rate and composition of gas released by calcium carbide dust upon contact with moisture.

The invention discloses a method for acquiring utilization rate of base station resource in real time, and belongs to a broadband code division multiple access system. In the method, when a wireless network controller judges that the code word utilization rate of a cell below a base station is changed, the hardness resource utilization rate of the base station is calculated according to the current code word utilization rate of the cell. The technical scheme enables RNC to accurately acquire the service condition of the Capacity Credit resource of each Node B in time so as to carry out timelyand accurate statistics and comparative analysis for the service condition of the Node B in the whole network.

The invention discloses an intelligent handover cabinet system and intelligent handover method based on internet of things. The system comprises an intelligent handover cabinet management platform, an electronic recharging cabinet storing, an identity identification device, wherein the intelligent handover cabinet management platform is used for taking charge of identity verification of handover personnel, intelligent matching analysis, cabinet door article binding and cabinet door monitoring and remotely issuing a door opening instruction according to identity verification information; the electronic recharging cabinet storing conducts network communication with the intelligent handover cabinet management platform through WEB and is used for storing handover articles, voice prompting broadcasting and executing a door opening operation according to the remote door opening instruction; the identity identification device is connected to the intelligent handover cabinet management platform and is used for conducting identification on the identity of the handover personnel. The intelligent handover cabinet system and intelligent handover method based on internet of things improve working performance of the handover personnel in the work, strengthen effectively security control over stored articles, achieve automation and intellectualization of a handover process, improve degree of accuracy of the handover process, and reduces sharply human cost in the handover process of the articles.

The invention discloses a frequency shift keying signal board test device and a test method simulating a practical service environment. The test device comprises a system bus and an SYN, a switch network, a switch host, an analogue user board and a two-line loop analogue board which are connected to the system bus, wherein the analogue user board is connected with the two-line loop analogue board through a user cable; and the system bus is connected with multiple frequency shift keying signal boards to be tested. The test device disclosed by the invention is a fixed switch architecture with the basic calling function; and by combining the test device and the test method, the practical service environment of the frequency shift keying signal board can be simulated perfectly, and the working state of the frequency shift keying signal board and the quality of the signal generated by each channel can be automatically and accurately tested.

The invention relates to a deep detection method of an IPSec VPN protocol based on stream, which is applied in the network safety field. The deep detection method of the invention firstly carries out cyclic monitoring under the promiscuous mode that network card is opened in an intelligent agent or a probe machine, and a BPF filter is arranged to snatch an IPSec VPN message. The deep inspection method can store and carry out deep detection on the sequence stream of IPSec message, can identify and analyze whether the IPSec VPN message is faked and is the message of non-standard format or not, and can analyze the differences between the message of non-standard format and the message of standard format according to the context of the sequence stream of the IPSec VPN message. The deep detection method provided by the invention based on the session state of the protocol has considerable intelligence and stable performance, can analyze the message of unknown format and can be easily realized and applied in the fields such as supervision agency, firewall, IDS, etc.

The invention relates to a device for testing the gas release rate of a substance encountering water and application, and mainly solves the problem of inaccurate test result in the prior art. According to the technical scheme, the device mainly comprises a constant-temperature box, a test bottle, a sample pool, a precise peristaltic pump, a flow meter, a pressure detector and a water bath box, thesample pool is placed at the bottom of the test bottle; a water inlet is formed in the bottom of the test bottle; a bottle plug is arranged at an opening of test bottle, one end of the exhaust pipeline penetrates through the bottle plug and extends into the test bottle; the other end is connected with a flowmeter inlet; the pressure detector is arranged on the exhaust pipeline in front of the inlet of the flow meter; the test bottle is placed in the water bath box, and the water bath box is provided with accessory equipment comprising a heating sheet, an overflow port, a low-water-level switch, a water temperature sensor, a refrigerator, a circulating water pump and a bottom drainage pipeline. Thus, the problems are effectively solved, and the device can be used for testing the gas release rate of the substance when the substance meets water.

The invention relates to a method of testing release rate and composition of gas released by calcium carbide dust upon contact with moisture, and mainly solves the problem of the prior art where detection of the release rate and composition of flammable explosive gas produced by reaction of calcium carbide dust with water vapor has poor effect. The method used herein is characterized in that an apparatus of testing release rate and composition of gas released by calcium carbide dust upon contact with moisture is used to test the release rate and composition of the gas released by the calcium carbide dust upon contact with moisture, the apparatus comprises a water vapor premixer, a precision moisture meter, a calcium carbide dust raising unit, a calcium carbide dust raising controller, a gas release rate test system, a gas composition test system and a computer control system, the water vapor premixer is capable of generating water vapors of different humidities, and the water vapor premixer is connected with the precision moisture meter; by using the above technical scheme, the problem above is well solved; the method is applicable to the test on release rate and composition of gasreleased by calcium carbide dust upon contact with moisture.

The invention relates to a method for determining the influences of impurities on the thermal stability of a solid self-reactive substance, and mainly solves a problem that methods for testing the influences of the impurities on the thermal stability of the solid self-reactive substance are not established in the prior art. The method for determining the influences of impurities on the thermal stability of the solid self-reactive substance adopts differential scanning calorimetry, vacuum stability and self accelerating decomposition temperature (SADT) testing processes to respectively determine the thermal stability, the stability under vacuum conditions and SADT of each of the solid self-reactive substance and a solid self-reactive substance and impurity mixture in order to evaluate whether the impurities are compatible with the solid self-reactive substance to be tested or not, and can be used to determine the influences of the impurities on the thermal stability of the solid self-reactive substance.

The invention discloses an equipment recommendation method, device and system, and the method comprises the steps: respectively obtaining a plurality of parameter weight values of equipment; determining recommendation information of the equipment according to the plurality of parameter weight values and the equipment operation information, wherein the equipment operation information comprises thenumber of operation days and operation parameters of the operation day; and generating equipment configuration information based on a predetermined rule and according to the recommendation informationof the equipment so as to promote the equipment according to the equipment configuration information. According to the invention, the equipment can be popularized more effectively.

The invention discloses an automatic detecting device for an adhesive applying head of a frame adhesive applying machine. The automatic detecting device comprises a ferrule, a linkage rod and micro-switches, wherein the pair of micro-switches are mounted on the outer wall of the ferrule, each micro-switch is provided with a driving rod extending downwards, the two driving rods are symmetrically arranged, a clearance is arranged between the driving rods, and the micro-switches are connected with a controller; the linkage rod is transversely arranged and located below the ferrule, and the linkage rod consists of a chuck provided with a clamping groove and a rod part of which one end is connected with the chuck; and the chuck is used for being buckled on the adhesive applying head of the frame adhesive applying machine, and the other end of the rod part extends into the clearance between the driving rods of the micro-switches. The adhesive applying head of the frame adhesive applying machine is bent under the action of external force in the movement direction and drives the linkage rod to correspondingly move. After the driving rods are shifted, the micro-switches are triggered, the micro-switches send trigger signals to the controller, and the controller controls the frame adhesive applying machine to stop acting. The automatic detecting device is accurate in detection, ensures product quality, reduces labor intensity, improves equipment automation degree and is suitable for being widely popularized and used in the industry.

The invention discloses a method for quickly reducing temperature and pressure of a runaway reaction system. Devices used in the method include a reaction tank, a storage tank I and a storage tank II, wherein each of the reaction tank and the storage tank I is provided with an inlet and an outlet; the outlet II of the reaction tank and the inlet I of the storage tank I are connected through a first pipeline; the outlet I of the storage tank II and the inlet II of the reaction tank are connected through a second pipeline; and the second pipeline extends into the reaction tank, forms a coil shape in the middle of the reaction tank, and then extends out through the top of the reaction tank to the storage tank II; and a stirring device is mounted and started to react. Along with proceeding of reaction, the temperature and pressure of the reaction system are raised. When the temperature and pressure are raised to the maximum value of a safety valve, the safety valve is opened. At this moment, high-temperature gas enters the first storage tank I through the first pipeline. A cooling liquid in the storage tank I is discharged from the outlet I of the storage tank I and enters the reaction tank from the front section of the second pipeline and sequentially passes through the middle section and the tail section of the second pipeline, thereby achieving the function of reducing the temperature of the reaction system.

The present invention discloses a method for rapidly and uniformly adding a diluent and an inhibitor during stirring failure. According to the present invention, the used apparatuses comprise a reaction tank, a storage tank 1, a storage tank 2 and a storage tank 3, an inhibitor is placed in the storage tank 1, a diluent is placed in the storage tank 2, a cooling solvent is placed in the storage tank 3, the storage tank 1, the storage tank 2 and the reaction tank are connected through a material feeding main pipeline, the middle portion section of the material feeding main pipeline is provided with a material feeding pump and an inlet valve, the tail portion section of the material feeding main pipeline is positioned below a stirring paddle, the tail portion section is coil-like, a plurality of material feeding holes are distributed on the disk surface, the reaction tank and the storage tank 3 are connected through a material discharge main pipeline, the front portion section of the material discharge main pipeline is provided with a safe valve, the middle portion section of the material discharge main pipeline section is provided with an outlet valve, the tail portion section of the material discharge main pipeline is positioned at the top portion of the reaction tank, the tail portion section is coil-like, and a plurality of material discharge holes are distributed on the disk surface; and according to the method, the diluent and the inhibitor are added to the reaction tank so as to rapidly prevent the occurrence of the runaway reaction.