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57results about How to "Life and Property Safety Guarantee" patented technology

Fatigue driving detection device and method

The invention discloses a fatigue driving detection device and a fatigue driving detection method. The fatigue driving detection device comprises ARM (Advanced RISC Machines) processor equipment, a SD (Secure Digital) card, a USB (Universal Serial Bus) camera, a data line, a heat dissipation fan and an alarming device, wherein the ARM processor equipment further comprises a human face positioning module, a human eye state identification module and a fatigue judging module; the fatigue driving detection device method comprises the following steps: 1, initializing the camera; 2, acquiring an image and transmitting image information to the ARM processor equipment; 3, pre-processing the image; 4, positioning a human face region through a human face characteristic classifier, and positioning a human eye region 5 through a human eye characteristic classifier; 5, detecting the face of a driver to judge whether the driver is at a fatigue state or not; 6, detecting eyes of the driver to judge whether the driver is at the fatigue state or not; and 7, comprehensively judging whether the driver is at the fatigue state or not and starting corresponding alarming. According to the fatigue driving detection device and method disclosed by the invention, pupil and edge regions can be divided very well through adopting an eye region image binaryzation processing method; and compared with detection of a single method, the identification accuracy is higher.
Owner:NANJING UNIV OF SCI & TECH +1

Method for increasing positioning precision of PDT terminal

The method relates to a method for increasing the positioning precision of a PDT terminal. The method is divided into a base station assisting RTD broadcast mode and a network RTK mode according to the different functions of the satellite positioning modules of the PDT terminal. The base station assisting RTD broadcast mode is characterized in that the PDT terminal is provided with the satellite positioning module supporting the RTD technology, a PDT core network periodically acquires satellite positioning pseudo-range differential information in the coverage of base stations in a local area from a CORS data center and broadcasts the information to the terminal, and the satellite positioning module of the terminal calculates precise positions. The network RTK mode is characterized in that the PDT terminal is provided with the satellite positioning module supporting the RTK technology, grouping data connection between the PDT terminal and PDT base stations is built to transmit self-satellite observation information to the CORS data center through the PDT core network, and the CORS data center calculates the precise positions and transmits the same to the terminal. The positioning precision of the PDT terminal using the base station assisting RTD broadcast mode can be increased to a sub-meter level, and the positioning precision of the PDT terminal using the network RTK mode can be increased a centimeter level.
Owner:TIANJIN 712 COMM & BROADCASTING CO LTD

Portable lifesaving device, lifesaving management system and lifesaving method

The invention discloses a portable lifesaving device, which comprises a positioning module, a communication module, a prompting module and a help-seeking module, wherein the positioning module comprises a GPS (Global Positioning System) positioning unit and / or a GSM (Global System for Mobile) positioning unit, a water sound positioning unit and / or a WiFi (Wireless Fidelity) positioning unit which are communicated with the communication module respectively, and are used for transmitting acquired positioning information to the communication module; the communication module is used for triggering the prompting module to make a prompt after receiving alarm information; when triggered, the help-seeking module is used for transmitting identification information and a help-seeking signal of the lifesaving device to a management system through the communication module. The invention further discloses the lifesaving management system and a lifesaving method. By adopting the portable lifesaving device, the lifesaving management system and the lifesaving method, time from triggering of the help-seeking module to receiving of the help-seeking information by a server side can be shortened to a larger extent, and time is won for lifesaving personnel, so that the life and property safety of travelers is ensured effectively.
Owner:HEFEI RHOSOON INTELLIGENT TECH CO LTD

Method for promoting positioning precision of PDT base station

The invention relates to a method for promoting the positioning precision of a PDT base station. The method is divided into two modes: one is a network RTD mode comprising the following steps: a PDT core network periodically sends initial satellite positioning information of each base station at local area to a CORS data center, and then a base station satellite positioning module computes an accurate position in combination with pseudo-range differential information sent by the CORS data center; the second mode is a network RTK mode comprising the following steps: the PDT core network periodically sends satellite observation information of each base station at local area to the CORS data center, and the CORS data center directly computes the accurate position of each base station according to an area differential data model, and then sends the position to each base station. The method disclosed by the invention has the advantages that the positioning precision of the PDT base station in single satellite positioning is 10m; through the adoption of the method disclosed by the invention, with the CORS network, the satellite positioning module supporting the RTD technology is built in the base station, the positioning precision can be improved to sub-meter level by adopting the RTD mode; the satellite positioning module supporting the RTK technology is built in the base station, the positioning precision can be improved to centimeter-level by adopting the network RTK mode.
Owner:TIANJIN 712 COMM & BROADCASTING CO LTD

T-BOX information safety protection method based on vehicle characteristic safety levels

ActiveCN106627443AReasonable impact on driving safetyReasonable security levelElectric/fluid circuitBus networksElectronic control systemControl system
Provided is a T-BOX information safety protection method based on vehicle characteristic safety levels. The method includes the following steps that firstly, the kinetic energy range of a whole vehicle is calculated according to the vehicle running speed range and the vehicle load range, and the vehicle safety levels are divided according to the kinetic energy range and guided into a T-BOX; secondly, the T-BOX acquires the values of two vehicle characteristics, namely the vehicle running speed and the vehicle load, and then judges which safety level does the current vehicle running state belong to according to value calculation of the two vehicle characteristics; thirdly, the T-BOX judges which electronic control systems should be subjected to isolation protection according to the safety levels of the current vehicle running state and sends corresponding isolation starting messages to the electronic control systems; and fourthly, an ECU of the corresponding electronic control system receives the isolation starting messages and is in the corresponding isolation state. According to the method, the task of guiding the vehicle characteristic safety levels into the T-BOX in the first step is only executed once, and then the second step, the third step and the fourth step are repeatedly executed.
Owner:BEIHANG UNIV

Pneumatic shield gate dam

PendingCN108867567ARealize two-way water stopIngenious structural designBarrages/weirsResonanceEngineering
The invention belongs to the technical field of pneumatic shield gate dams and relates to a pneumatic shield gate dam. The pneumatic shield gate dam comprises a shield plate, the bottom of the shieldplate is fixed to a foundation bottom plate, an air bag and an ornamental curtain for shielding the air bag are sequentially arranged on the back surface of the shield plate from front to back, and the air bag is used for driving the shield plate to move up and down. Wall protecting plates are arranged on left and right sides of the shield plate respectively, bidirectional side wall water-stop body groups are arranged between left and right sides of the shield plate and the corresponding wall protecting plates, the bottom of the shield plate is connected with the foundation bottom plate through a foundation soft connection belt, and a turbulence device is mounted at the top of the shield plate. The pneumatic shield gate dam is high in strength and abrasion resistance, great in water-stop effect and firm in connection with a concrete side wall, and vacuum formed in operation of the pneumatic shield gate dam in water can be prevented. In addition, the pneumatic shield gate dam has a damheight control function and is high in flexibility, less prone to breakage, long in service life and high in stability, the aging speed is reduced, an ornamental effect is achieved, flow breaking andturbulence can be realized while resonance is avoided, and accordingly high safety coefficient is achieved.
Owner:YANTAI SUNNY RUBBER

Jointing clamp convenient for connecting electrical equipment

The invention discloses a jointing clamp convenient for connecting electrical equipment. The jointing clamp comprise a left half wire clamping body and a right half wire clamping body, wherein the middle upper parts of the left half wire clamping body and the right half wire clamping body are connected through a fixing pin, a handle of each of the half wire clamping body and the right half wire clamping body is provided with an insulating sleeve, a first sliding groove is formed in the inner side of each handle, a sliding block is arranged inside each of the two first sliding grooves, the two sliding blocks are connected through a reset spring, a second sliding groove is formed in the front surface of the handle of each of the half wire clamping body and the right half wire clamping body, the side surface of each sliding block is connected with a bolt, the top part of each bolt is inserted in the corresponding second sliding groove and extends to the outer side of the corresponding insulating sleeve, the top end of each bolt is provided with a knob, and first snap-in teeth are formed at the clamping position of the top part of the left half wire clamping body. The jointing clamp convenient for connecting electrical equipment is simple in structure, is convenient to use by the staff, can adjust the clamping force of the jointing clamp, achieves the effect of power detection, and can prolong the service life of the jointing clamp.
Owner:常州亚各来德机电设备制造有限公司

Highway passenger transport overspeed early warning system based on block chain

The invention provides a highway passenger transport overspeed early warning system based on a block chain. The system comprises a data storage server, a driver mobile terminal, a vehicle-mounted GPS,a plurality of passenger mobile terminals, a mobile terminal wireless communication module, a block chain data storage server and a block chain data processing server. The passenger mobile terminalsand the vehicle-mounted GPS collect driving data respectively, the block chain data processing server performs average optimization processing on the driving data, an optimization result and a road section speed limit value are subjected to consensus identification, and a consensus result is transmitted to the block chain data processing server to predict the vehicle driving speed; a smart contract 1 is used judge whether an overspeed behavior is about to occur or not and makes a corresponding response; and whether a driver decelerates within a specified time or not is determined through the smart contract 2, if not, a violation behavior forming block is transmitted into a block chain for storage, and data is transmitted to a traffic control department to punish the driver. According to the invention, effective early warning is carried out on passenger car overspeed, and the passenger traffic accident rate is reduced.
Owner:WUHAN UNIV OF TECH

Switch locking device for shutter

The invention discloses a switch locking device for a shutter, which comprises a rocker arm (2) and a ratchet-gear wheel (3), a blocking piece (9), a lock tongue (4), a sliding slot (10), a rotary connecting bar (5), and a sash frame groove (6), wherein the rocker arm (2) and the ratchet-gear wheel (3) are fixedly connected with a window shaft, the blocking piece (9) is used for blocking the ratchet-gear wheel (3), the lock tongue (4) is arranged at the inner side of the window frame bar, and the sliding slot (10) correspond to the lock tongue and is used for the sliding of the lock tongue, one end of the rotary connecting bar (5) is rotatably and pivotably supported at the bottom of the window frame, and the other end of the rotary connecting bar (5) is connected with the lock tongue (4), and the sash frame groove (6) is correspondingly arranged at the same side with the sliding slot (10) used for the sliding of the lock tongue of the window frame; the lock tongue ascends or descends by means of the rotation of the rotary connecting bar in the vicinity of a position which is perpendicular to the window frame, therefore, the shutter can be opened, closed and locked at any opening status. The switch locking device can be used as a 120-degree horizontal or vertical rotary switch for a middle shaft axis rotary shutter. Therefore, the opening space is large, the switch locking device has excellent ventilation, permeation, lighting performance, permeability, high sealing performance, sound insulation and anti-theft performance. Furthermore, the outer side of the window sash of the shutter is convenient to clean.
Owner:杨苗良

A fatigue driving detection device and detection method

The invention discloses a fatigue driving detection device and a fatigue driving detection method. The fatigue driving detection device comprises ARM (Advanced RISC Machines) processor equipment, a SD (Secure Digital) card, a USB (Universal Serial Bus) camera, a data line, a heat dissipation fan and an alarming device, wherein the ARM processor equipment further comprises a human face positioning module, a human eye state identification module and a fatigue judging module; the fatigue driving detection device method comprises the following steps: 1, initializing the camera; 2, acquiring an image and transmitting image information to the ARM processor equipment; 3, pre-processing the image; 4, positioning a human face region through a human face characteristic classifier, and positioning a human eye region 5 through a human eye characteristic classifier; 5, detecting the face of a driver to judge whether the driver is at a fatigue state or not; 6, detecting eyes of the driver to judge whether the driver is at the fatigue state or not; and 7, comprehensively judging whether the driver is at the fatigue state or not and starting corresponding alarming. According to the fatigue driving detection device and method disclosed by the invention, pupil and edge regions can be divided very well through adopting an eye region image binaryzation processing method; and compared with detection of a single method, the identification accuracy is higher.
Owner:NANJING UNIV OF SCI & TECH +1

Weak-current intelligent building system wiring and winding displacement practical training device

The invention discloses a weak-current intelligent building system wiring and winding displacement practical training device and relates to the technical field of weak-current intelligent systems. The weak current intelligent building system wiring and winding displacement practical training device comprises a rotary table, the rotary table is provided with a weak current equipment mechanism and a wire cutting mechanism, the top of the rotary table is fixedly provided with an installation main frame, the inner wall of the installation main frame is fixedly provided with a practical training plate, and the bottom of the rotary table is rotatably provided with an installation base. And four groups of brake wheels are movably mounted at the bottom of the installation base and are distributed in a rectangular array. According to the weak-current intelligent building system wiring and winding displacement practical training device, wiring lines among the devices are clear, wiring lines are more orderly, wires are not prone to tangling, practical training personnel can recognize wiring easily, the installation main frame designed in a rotatable structure facilitates the practical training personnel to display wiring on the back of the practical training plate after wiring, and the white board and the board eraser designed on the back of the practical training board are convenient for teaching personnel to mark and explain the wiring so that a teaching demonstration effect is improved.
Owner:重庆振多弱电工程有限公司

Underground comprehensive pipe gallery auxiliary operation and maintenance system and method based on mobile terminal

The invention relates to the technical field of underground comprehensive pipe gallery auxiliary maintenance, and provides an underground comprehensive pipe gallery auxiliary operation and maintenance system based on a mobile terminal, which comprises underground comprehensive pipe gallery equipment, an underground comprehensive pipe gallery server and the mobile terminal. The invention also provides an underground comprehensive pipe gallery auxiliary operation and maintenance method based on the mobile terminal, and the method comprises the following steps: S1, carrying out the video monitoring of the interior of the pipe gallery through employing the underground comprehensive pipe gallery equipment, S2, obtaining the monitoring data of the underground comprehensive pipe gallery equipment in real time through the data collection module of the underground comprehensive pipe gallery server, and S3, carrying out the operation and maintenance of the underground comprehensive pipe gallery after the data is obtained. And the underground comprehensive pipe gallery server pushes the data to the mobile terminal. The portable characteristic and the positioning function of the mobile terminal are utilized, accurate positioning can be provided for the equipment, when the equipment breaks down, it is not needed to spend a large amount of time to position the equipment, follow-up maintenance work can be conveniently carried out by equipment maintenance personnel, and the equipment maintenance efficiency is greatly improved.
Owner:WISDRI WUHAN AUTOMATION

Short-circuit inductance energy bypass circuit for intrinsically safe boost converter

The invention discloses a short-circuited inductance energy bypass circuit of an intrinsic safety Boost converter. The bypass circuit comprises a short-circuited cut-off protection circuit, a bypass drive circuit and an energy bypass circuit, wherein the short-circuited cut-off protection circuit and the bypass drive circuit are connected with the output end of a short-circuited signal production circuit, and the energy bypass circuit is connected with the output end of the short-circuited cut-off protection circuit. The short-circuited cut-off protection circuit comprises a short-circuited cut-off protection starting circuit and a short-circuited cut-off protection action circuit connected with the output end of the short-circuited cut-off protection starting circuit. The output end of the bypass drive circuit, the short-circuited signal production circuit and the energy bypass circuit are all connected with a main circuit of the intrinsic safety Boost converter, the main circuit of intrinsic safety Boost converter is connected with a current sampling circuit and a pulse signal production circuit, and the output end of the current sampling circuit and the pulse signal production circuit are connected. The short-circuited inductance energy bypass circuit is convenient to achieve, low in cost and capable of providing a discharging loop for energy in an inductance of the intrinsic safety Boost converter, and improves the intrinsic safety performance of the intrinsic safety Boost converter.
Owner:XIAN UNIV OF SCI & TECH

Road geological disaster early warning broadcasting method and auxiliary system

The invention discloses a road geological disaster early warning broadcasting method and an auxiliary system. The method comprises the following specific steps: investigating and analyzing geologicaldisasters along a road in the earlier stage; determining a geological disaster dangerous area range indoors by utilizing existing data and experimental data, and marking the geological disaster dangerous area range on a map; importing existing data into an accessory system, and adding and deleting geological disaster points according to needs. querying geological disaster point distribution alongthe channel through an accessory system, and selecting an optimal route; and enabling the accessory system to broadcast at fixed time and fixed point in the vehicle driving process to remind the vehicle to quickly pass. Compared with the prior art, the method has the advantages that the steps are reasonable and simple, the applicability of an affiliated system is wider, the actual requirement is met, the use is convenient, the geological disasters along the road are comprehensively evaluated, and a provincial and even national road geological disaster network is effectively established; and the life and property safety of vehicles and people running on the road can be guaranteed.
Owner:虞茂奎

Anti-theft window capable of panoramically scanning

The invention discloses an anti-theft window capable of panoramically scanning. The anti-theft window comprises a window frame, wherein a pushing sash is in sliding connection with the inner sides of an upper border and a lower border of the window frame; a rotating shaft is arranged on one side of the pushing sash; a glass sheet is arranged on the outer side of the rotating shaft; advertising paper is arranged on the inner side of the rotating shaft; the upper side and the lower side of the rotating shaft are both controlled by driving belts of the pushing sash; an unlocking button is arranged at the upper end of the pushing sash; a camera and an infrared probe are arranged on the outer side of the pushing sash; the infrared probe is sequentially connected with a controller, a control circuit and an alarm circuit which are arranged in the pushing sash; the camera is connected with a memorizer arranged in the pushing sash; an alarm light connected with the alarm circuit is arranged at the lower end of the pushing sash. The anti-theft window capable of panoramically scanning disclosed by the invention is novel in structure, can shoot the picture outside the window to assist case detection, eliminate potential safety hazards and further provide safeguard of life and property for people.
Owner:XIAN YONGCHENG ELECTRONICS SCI & TECH
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