88results about How to "Improve the security environment" patented technology

The invention provides an intelligent comprehensive monitoring and security integrated management system for a parking garage. The system solves the comprehensive intelligent management problems of related automatic monitoring, automatic detection, display, different languages and voices, communication, dispatching, guide, digital quantity identification, security, forbidding and passing, charging, statistics, self diagnosis and maintenance and the like of various self-propelled and automatic three-dimensional mechanical parking garages. The system has significant meanings for improving the monitoring, security and management levels of various parking garages, promoting static traffic modernization construction and increasing the social and economic benefits of the parking garages.

The present embodiments advantageously provide methods and systems for use in decrypting content, and in some preferred embodiments expanding a security environment to distribute the computational processing involved in decryption. In some embodiments, a method for use in decrypting content is provided that receives a first content key at a first system for the decryption of a first track of encrypted content; encrypts the first content key according to a first instance key known at the first system; communicates the first encrypted content key over an externally accessible communication link to a second system; generates the first instance key at the second system independent of the first system; decrypts the first encrypted content key using the generated first instance key at the second system; and decrypts the first track of encrypted content using the first unencrypted content key at the second system.

The invention discloses a carrier rocket sub-stage falling area range control system. The carrier rocket sub-stage falling area range control system comprises a grid fin structure system, a grid fin control system, a grid fin telemetering system and a ground information receiving system. Under the condition that a control unit resolves the measurement information such as the posture, the positionand the speed, a servo mechanism is controlled to deflect the fin surface by sending an instruction, so that the posture of a sub-stage of a carrier rocket is stabilized, and the sub-stage is guided to fly to the target falling area for flying landing; and the telemetering system and the ground information receiving system are used for measuring and receiving the sub-stage reentry flight information, and the sub-stage state information is monitored in real time. According to the system, the flight control time sequence and procedures are integrated, so that the sysrem has the advantages that the modification amount of the carrier rocket is small, the loss of the carrying capacity is small, the flight safety of a main task of the carrier rocket is not affected, the sub-stage falling area range of the carrier rocket can be greatly reduced, and the sub-stage return information can be monitored in real time.

There is provided a communication system, communication apparatus, and control method. A first communication terminal includes message transmission means for transmitting a first or second message to a second communication terminal in response to an on/off operation for a power supply. The second communication terminal includes: first power supply control means for turning off a main power supply at reception of the first message; second power supply control means for turning on the main power supply at reception of the second message; mode setting means for setting communication means to a receive-only mode at reception of the first message, or setting the communication means to a mode capable of transmitting and receiving at reception of the second message; and sub-power supply providing means for providing a sub power supply for driving the second power supply control means during power-off of the main power supply of the second communication terminal.

A vertical pyrolysis gasifier comprises a feeding mechanism, a flow guiding tube of a slag extractor, a sealing mechanism, a working region and a stirring mechanism, wherein the flow guiding tube communicates with a water jacket to form backflow; the sealing mechanism comprises a first sealing door and a second sealing door; the second sealing door is arranged at a V-shaped projection of the upper end of a gasifier body; the first sealing door and the second sealing door cannot be opened simultaneously; the working region comprises a drying region, a pyrolysis gasification region and a burning region; a smoke outlet is formed in the gasifier body and positioned in the upper end of the drying region; the stirring mechanism comprises a slag discharging plate and a stirring plate; the slag discharging plate and the stirring plate are arranged on the same rotating shaft; and a hollow structure which communicates with the outside is arranged in the rotating shaft. The vertical pyrolysis gasifier not only is good in sealing performance and high in work efficiency, but also improves a security environment of operators of a workshop, and avoids hidden danger of gasifier explosion caused by blockage of pyrolysis gas flow.

The invention discloses a system and a method for exploitation of mixed-gas coal-bed methane exploitation in a drainage roadway in an oil well, and relates to a coal-bed methane exploitation technology. The exploitation method comprises the following procedures: 1.various gases are integrated into a mixed gas; the mixed gas comprises a or a plurality of strongly exchanged gases, which comprises H2S, SO2 and CO2; the mixed gas also comprises a or a plurality of weakly exchanged gases, which comprises N2, H2 and He; 2. the mixed gas is injected into a coal bed (5) through an injection hole (1) with high pressure; 3. gas comprising the coal-bed methane is obtained from an drainage hole (6) with a drainage device, until the methane content is lower than the economic exploitation content and safety content. The invention promotes the exploitation rate and unit output of the coal-bed methane, and produces quite an obvious effect in reducing the greenhouse gas emission. Meanwhile, the invention is provided with the effect of reducing the outstanding risks of gas, and is applicable in the low-penetration exploitable coal-bed methane exploitation field.

The invention relates to the technical field of coating, and discloses water-based cold cut road marking coating which comprises the following components in parts by weight: 4.87 parts of water, 0.03 part of a fungicide, 1.5 parts of a water-based wax emulsion, 3 parts of ethanol, 0.4 part of a water-based dispersant, 27 parts of a water-based acrylic emulsion, 1-2 parts of organic bentonite, 1 part of a water-based drier, 5-8 parts of a pigment, 15 parts of a 40-60 mesh of glass bead, 30 parts of a 80-120 mesh of glass bead, 8.2 parts of white corundum, and 3 parts of a coalescing agent. The invention further discloses a preparation method of the water-based cold cut road marking coating. The preparation method comprises the step of uniformly mixing all the components. The water-based cold cut road marking coating combines the advantages of solvent marking coating and heat fusing marking coating, such as convenient and fast construction, environment protection, no pollution, ideal marking thickness, high drying speed and long service life, and is an ideal product replacing the solvent marking coating and the heat fusing marking coating.

The invention provides an oil well casing gas collecting device. An oil pumping pipe, an oil pumping rod and a casing are arranged in an oil well, the oil pumping rod is connected onto an oil pumping unit, and the oil pumping unit pumps crude oil from the oil pumping pipe and transports the crude oil to an oil transportation pipe. The device comprises a casing connecting pipe, a one-way valve A, a boosting pump, a one-way valve B and an oil pipe connecting pipe. The boosting pump includes a connecting rod, the upper end of the connecting is fixedly connected with a pressure arm, the upper portion of the oil pumping rod is fixedly connected with a pressure button, and the pressure button is located above the pressure arm. When the boosting pump is installed, the connecting rod is parallel to the oil pumping rod, and the pressure arm is intersected with the connecting rod but is not connected with the connecting rod. When the oil pumping rod is lifted up under the driving of the oil pumping unit, casing gas drives a piston, the connecting rod and the pressure arm to move upward under the action of self pressure. When the oil pumping rod moves downward under the action of self gravity, the pressure button presses the pressure arm to drive the connecting rod and the piston to move downward, and compressed casing gas in a compression cylinder enters the oil transportation pipe. By means of the oil well casing gas collecting device, a series of problems including difficulty in traditional oil well casing gas recovering, energy waste, environment pollution, safety hazard and the like are solved. Therefore, the oil well casing gas collecting device has obvious economic benefit and environmental-protection benefit.

Disclosed herein is a surgical robot control apparatus, in which a control stick member is connected to an upper surface of a base member, pivots and rotates around a connection portion, and is provided with a rotary button control member, a mode switching button member, and a control member which can be operated with the thumb. Thus, the surgical robot control apparatus can realize multiple functions. A surgeon can grasp the control stick member to easily control operation of a surgical robot and can perform other work using the other hand. Thereby, when performing surgery, the surgical robot control apparatus remarkably reduces the fatigue of the surgeon, thereby providing a surgical environment that is convenient and safe; and which provides maximized efficiency. Further, the surgical robot control apparatus can increase the safety of a patient using a safety device based on a buttons, software, and hardware while performing surgery.

The invention discloses a lithium-ion battery pack thermal runway automatic alarming apparatus based on gas monitoring and a monitoring method, and relates to a thermal runway alarming device for letting out flammable and combustible gas for real-time monitoring and timely alarming during battery thermal runway aiming at the warehousing and charging process of a lithium-ion battery pack. The lithium-ion battery pack thermal runway automatic alarming apparatus is composed of a collecting device, a gas monitoring device, a controlling device and an alarming device, wherein the collecting deviceis composed of a collecting hood, a back-fire relief valve and a gas pump; the collecting hood is installed above a positive electrode of the lithium-ion battery pack, and is connected with a gas inlet of the gas pump through a gas pipeline, and the gas pipeline is internally provided with the back-fire relief valve; the gas monitoring device is composed of a gas collector, a gas sensor and a Dupont line. A gas outlet of the gas pump is connected with the gas collecting box, and the gas collecting box is internally provided with the gas sensor; the controlling device is composed of a control box, a single-chip microcomputer, a gas sensor, a gas sensor interface and a control electric circuit; the alarming device is composed of a blue LED alarming lamp, a red LED alarming lamp and a buzzer.

The invention relates to a method of identifying the navigation path of the cotton field spraying machine, which used the machine vision system for collecting the images and computer for processing the digital image, the steps include: 1) eliminating the non-target ridge; 2) identifying the target location ridge boundary; 3) acquiring the centerline of ridge; 4) acquiring the navigation path: average the acquired the ridge centerline to get the navigation discrete points, then through Hough (Hough) transform to obtain the navigation path. The invention can be realized the spraying machine independent recognition, navigation, fixed the point, quantitative spraying; fully improve work efficiency and ease the labor shortage, improve operational safety and health of the environment, and increase the quality of spraying operations; can reduce the amount of pesticide spraying and increase the utilization rate of pesticides and reduce the pollution of pesticides on air, water, soil, farm products, and maintain the sustainable development of agriculture.

The invention discloses a fully-automatic drilling machine. The fully-automatic drilling machine is provided with a drilling machine supporting platform and a drilling machine main supporting column; a dust-collecting drawer is arranged in the drilling machine supporting platform and a negative-pressure fan is arranged on one side of the dust-collecting drawer; a dust-collecting net is arranged above the dust-collecting drawer; an objective table is arranged above the drilling machine supporting platform; a longitudinal sliding groove is formed in the drilling machine supporting platform; and the drilling machine main supporting column is arranged above the longitudinal sliding groove. The fully-automatic drilling machine can synchronously collect harmful substances such as dust particles generated by drilling in the drilling process, improve the workshop environment, protect physical and psychological health of workers and be beneficial to environmental protection; a laser receiving and transmitting device can accurately position the drilling position by utilizing laser; and a positioning sensor device is arranged in a drilling device, so the drilling positioning precision is improved, the drilling quality is guaranteed, drilling operation can be conducted effectively by the device instead of manual power, and the drilling efficiency is improved.

The invention discloses a system and a method for exploitation of mixed-gas coal-bed methane exploitation in a horizontal hole in an oil well, and relates to a coal-bed methane exploitation technology. The exploitation method comprises the following procedures: 1. various gases are integrated into a mixed gas; the mixed gas comprises a or a plurality of strongly exchanged gases, which comprises H2S, SO2 and CO2; the mixed gas also comprises a or a plurality of weakly exchanged gases, which comprises N2, H2 and He; 2. the mixed gas is injected into a coal bed (3) through an injection hole (1) with high pressure; 3. gas comprising the coal-bed methane is obtained from an drainage hole (2) with a drainage device, until the methane content is lower than the economic exploitation content and safety content. The invention promotes the exploitation rate and unit output of the coal-bed methane, and produces quite an obvious effect in reducing the greenhouse gas emission. Meanwhile, the invention is provided with the effect of reducing the outstanding risks of gas, and is applicable in the low-penetration exploitable coal-bed methane exploitation field.

The present invention provides a method for improving the tensile and shear strength of the side of the filling body, increasing the overall stability of the filling body, reducing the occurrence of ore depletion and blockage of the chute caused by the side of the filling body collapsing, and improving the two-step progress. The method of strengthening the side of the stope filling body reduces the safety risk of the two-step approach and the recovery of the pillar. The method is to clean the stope roof and side side pumice after the stope mining is completed, and then vertically hang steel mesh or bamboo mesh along the side side of the stope so that it is close to the rock side and adjacent to each steel mesh Lead wires are used to bind the pieces or bamboo mesh pieces, and then tie each piece of steel mesh or bamboo mesh pieces to the iron wires surrounding the stope with iron wires. When the horizontal span of the stope is small, the right Two pieces of reinforced mesh or bamboo mesh are connected with iron wire; when the filling height of the stope exceeds 2 meters, it can be erected layer by layer as the filling body of the stope rises, and the erection method is the same as above.

The invention discloses a remote power supply control switching system based on the narrowband internet of things. The system comprises a power supply input bus, a power supply output bus and a remote control power supply switching device. The remote control power supply switching device comprises a core control unit, a power supply changeover switching module and a narrowband internet of things communication module. The core control unit comprises an encryption/decryption module, a state inspection module, a security detection module and a standard instruction production module. The narrowband internet of things communication module is connected with a background control center through a communication base station cellular network. The background control center is connected with an operation terminal. The invention also provides a control method. The remote power supply control switching system has better advantages than those of the conventional power supply control switching system in the aspects of application field, response efficiency, equipment energy consumption, coverage capability, application cost and security performance.

The invention relates to an intelligent security system and method for vehicles in and out of residential quarters, including access control, user terminal, central control system, block chain licenseplate recognition system and cloud platform. Users through user terminals input their basic registration information, which is afterwards sent to the central control system of the residential quarter. Then, the central control system inputs the information of coming vehicles and sends the information to the cloud platform for pre-authorization. When the authorization passes, the access control will open. The invention solves the technical problem of ridding of potential dangers of the existing security management system for vehicles in and out of residential quarters. By way of pre-authorization, the invention will make vehicles of the residential quarter and those authorized vehicles pass quickly and conveniently while completely prevent those unauthorized vehicles from entering the residential quarter.

Embodiments of the present application provide an intrusion detection method for vulnerability attacks and related devices. The method comprises the following steps: extracting intrusion detection information of an intrusion detection object; Matching the extracted intrusion detection information with a pre-established intrusion trace feature library; If the match is successful, promoting the intrusion detection object to have been invaded by a vulnerability attack. According to an embodiment of the present application, it is possible to solve as far as possible the problem in the prior art that a corresponding risk alert cannot be given to an invaded user due to an intrusion detection failure to provide a vulnerability attack.

The invention relates to a self-service vending system. The self-service vending system comprises: a display area used for displaying commodities for a first user to select; a purchase settlement system used for acquiring target commodity information corresponding to the displayed commodities according to a preset corresponding relationship, and completing payment of the target commodity to generate order information; a commodity management system used for determining the storage position of the target commodity in a commodity storage device according to the order information and generating warehouse-out information; and the commodity storage device, a commodity storage space provided with a commodity inlet and a commodity outlet, and a transmission device, wherein the target commodity corresponding to the displayed commodity is stored in the commodity storage space, and the conveying device conveys the target commodity to the commodity outlet. Consumers can know the real feeling of commodities and enjoy the entertainment of shopping consumption, and the safe and complete storage of target sold commodities can be realized. The invention further provides a device, a method and a storage medium based on the self-service vending system.