41results about How to "Ensure parking safety" patented technology

The invention discloses a control system for automobile safety. The control system comprises a power supply module, a single chip microcontroller control module, a fault vehicle detection module, a handbrake judgment module, a vehicle-actuated judgment module, a driver detection module, a vehicle door detection module, a brake alarm module and an automatic brake module. According to the control system disclosed by the invention, by detecting the vehicle state, a driver can be reminded through sound and light when the state that the vehicle stops and a handbrake is not pulled is detected, and thus the purpose of ensuring safety parking is achieved.

The invention discloses an automatic parking path planning method based on a B spline theory. The method comprises the following steps: determining a specific position and an azimuth angle of a vehicle by utilizing a sensor mounted on a vehicle body; simplifying the vehicle and a parking space into a rectangle ABCD and a rectangle abcd according to the outlines of the vehicle and the parking spacerespectively, and analyzing possible collision points, wherein the planned parking path must can be accurately executed by an actuating mechanism of a subsequent vehicle; according to actual parkingprocess analysis, enabling the overall moving track of the vehicle to be a curve connecting the starting position and the end position of parking, wherein different sizes of parking spaces have curves in different shapes. On the premise that parking safety is guaranteed, the method can adapt to a narrow parking space and can better adapt to a complex parking environment; the planned parking pathis continuous, the influence of unsmooth curvature of the planned parking path is overcome, the problem that the turning amplitude of a steering wheel is too large is avoided, the vehicle moves more gently, and the driving and riding experience is improved.

The invention discloses a scissor-type lifting plate-turning-type roof lifting mechanism of a recreational vehicle. The roof lifting mechanism comprises a recreational vehicle compartment body, wherein the recreational vehicle compartment body is connected with turnable vertical compartment plates in a hinged manner; the recreational vehicle compartment body is connected with scissor-type liftingmechanisms; and the upper parts of the lifting mechanisms are connected with a top upper cover plate. Under the synchronous drive of a power source, the four scissor-type lifting mechanisms perform scissor-type movement to support and lift the top cover plate. Support arms of the scissor-type lifting mechanisms are provided with protruding parts or additional components to turn the turnable vertical compartment plates on the left and right sides upward. The horizontal included angle for upward turning is greater than 45 degrees and less than 90 degrees. The turnable vertical compartment plateson four sides are manually turned upward to be in a 90-degree vertical state. The power source is controlled to act reversely, and the top cover plate is lowered to eliminate the gap, so that the topcover plate and the compartment plates on four sides are locked and fixed. When the recreational vehicle runs, the turnable vertical compartment plates on four sides are laid horizontally and the topcover plate is lowered to reduce the height, so that the wind resistance coefficient of the recreational vehicle can be reduced and driving safety can be ensured. When the recreational vehicle is parked, the turnable vertical compartment plates on four sides are turned upward to be in the 90-degree vertical state so as to expand the space upward and improve comfort. The turnable vertical compartment plates are hard plates so as to ensure parking safety.

The invention discloses an urban traffic parking safety intelligent analysis and management method based on video monitoring, and the method comprises the steps: installing parking management equipment on all parking spaces in an urban traffic parking lot for recognizing whether there is a to-be-parked vehicle on the corresponding parking space or not; identifying a parking space of a parked vehicle, acquiring and analyzing images of front, back, left and right parking directions of the parked vehicle on the identified parking space, judging whether the parked vehicle is parked irregularly or not according to an analysis result, and performing voice prompt and alarm on the parked vehicle which is parked irregularly. According to the invention, standardized intelligent management of traffic parking in the parking lot is realized, occurrence of parking standard judgment errors is greatly reduced, the judgment accuracy is improved, the workload of a parking manager is greatly reduced, the labor management cost is reduced, the parking management efficiency and level of the parking lot are further improved, and the parking experience feeling of the vehicle owner is enhanced.

The invention discloses an Internet-based intelligent vehicle antitheft system. The system includes a mobile terminal for acquiring the monitoring device information to check the parking position and the condition of a vehicle, providing the identity information of the owner and paying the parking fee; an information receiving and processing device for receiving and processing the operation instruction of the mobile terminal, receiving the database information to assist an identity recognition device to identify the vehicle owner, and receiving the signal sent by a positioning module; a database for recording the information of the vehicle owner and the corresponding vehicle; and the identity recognition device for completing the matching identification of the vehicle owner information and the corresponding vehicle information. Through the identification of the vehicle owner's identity and the corresponding vehicle, and the vehicle-taking confirmation, the vehicles in the parking lot can be prevented from being stolen, the parking lot can be fully monitored, the user and the manager can acquire the parking frame at the same time, the parking safety is guaranteed, and meanwhile, the mobile phone parking fee payment can be realized, and the use is convenient and rapid.

An alarm system for a vehicle to avoid being flooded comprises a system control unit, a water depth detection system, a vehicle body control module, a sound and light alarm system and a remote information warning system based on Internet of Vehicles, wherein the water depth detection system is in signal connection with the system control unit and is used for detecting the depth of ambient water of the vehicle and inputting water depth signals to the system control unit; the vehicle body control module is in signal connection with the system control unit and the sound and light alarm system and is used for receiving instructions from the system control unit and starting the sound and light alarm system according to the instructions; and the remote information warning system based on the Internet of Vehicles is in signal connection with the system control unit and is used for sending the alarm to a mobile phone of a driver after receiving the instructions from the system control unit or sending the instructions from the mobile phone of the driver to the system control unit, and then the instructions are sent to the vehicle body control module by the system control unit. The alarm system for the vehicle to avoid being flooded can timely warn an owner of the vehicle or passers-by when the vehicle is in danger of being flooded so as to ensure the safety of vehicle parking.

The invention relates to a mobile terminal driving route navigation-based parking lot management system and a method thereof. The mobile terminal driving route navigation-based parking lot management system comprises a controller as well as a detection device and a server which are electrically with the controller respectively, wherein the detection device is arranged on a parking space; the mobile terminal driving route navigation-based parking lot management system further comprises a vehicle pier which is fixed at the tail of the parking space, an ultrasonic sensor arranged on the vehicle pier and an alarm electrically connected with the ultrasonic sensor; the ultrasonic sensor is in signal connection with the controller; micro map information about drawings of internal constructions in a parking lot is stored in the server; and the mobile terminal driving route navigation-based parking lot management system also comprises a mobile terminal which is connected with the server through a network. According to the mobile terminal driving route navigation-based parking lot management system and the method thereof of the invention, the controller, the mobile terminal, the detection device and the server are adopted, the owner of a vehicle can be guided to quickly find a vacant parking space, and therefore, parking efficiency can be greatly improved.

The invention relates to a method for preventing a longitudinal ship mooring rope from fracturing when a dock gate of a ship lift opens. The method comprises the following steps of: measuring hydraulics parameters of a ship tank and the ship when the dock gate of the ship lift opens and calculating the maximum longitudinal mooring force of the ship when the dock gate of the ship lift opens according to a formula; selecting a corresponding rope according to the calculated maximum longitudinal mooring force of the ship when the dock gate of the ship lift opens, berthing the ship in a ship reception chamber of the ship lift, and firmly tying the ship by a mooring rope; and opening and closing the dock gate of the ship lift for multiple times according to a certain rate tv, and detecting whether the mooring rope factures or not. The method has the beneficial effects that the maximum longitudinal mooring force of the ship when the dock gate is opened and closed can be calculated by selecting different formulas according to different water levels on the two sides of the dock gate of the ship tank of the ship lift, so that not only are the measurement and the calculation simple and convenient, but also the accuracy of a measuring result is improved, and further the fracturing of the mooring rope can be avoided.

The invention relates to a ship lock valve anticavitation technology, and in particular relates to a comprehensive method for anticavitation of an ultrahigh water head ship lock valve higher than 40m. The invention comprises a water delivery valve, wherein the bottom of the rear gallery of the water delivery valve is downward provided with a bottom stepped sudden expansion, the top of the rear gallery of the water delivery valve is upward provided with an oblique line sudden expansion, and the oblique line sudden expansion is connected with the rear gallery by adopting an upward oblique line;a stepped drop sill and a drop sill vent pipe are arranged at the inlet of the bottom stepped sudden expansion; a stepped booster baffle and a booster baffle vent pipe are arranged at the outlet of the bottom stepped sudden expansion; the outlet gallery bottom elevation of the water delivery valve is higher than the inlet gallery bottom elevation; a door header vent pipe is arranged at a door header of the water delivery valve; and the oblique line sudden expansion is provided with a vent pipe. In the invention, active prevention and passive prevention are combined, the problem of cavitation of a high water head ship lock valve can be effectively solved, and the advantages of simplicity in construction, low investment and convenience in maintenance can be realized.

The invention discloses an intelligent three-dimensional garage control system based on CAN bus, which includes a main control cabinet, an intermediate control box, a man-machine interface and an expansion module. Data processing capability; the expansion module, man-machine interface and several intermediate control boxes are respectively connected to the CAN bus as nodes of the CAN bus; the intermediate control box sends monitoring data to the CAN bus, and after being received and processed by the main control module, not only the The interface can also send control commands such as parking, picking up, and parking number input to the main control module on the bus through the man-machine interface. The invention adopts the CAN bus serial communication technology, the data transmission is high-speed and reliable, and the unified management of the system can be realized. By simplifying the system wiring, the amount of electrical construction is greatly reduced, and at the same time, it is convenient for system expansion, effectively ensuring the safety of parking in the garage, and convenient for garage management. .

The embodiment of the invention provides an anti-theft management method for a parking lot. The method is applied to a parking lot management system comprising a server and a parking lot terminal. Themethod comprises the following steps of acquiring the license plate information of a vehicle, and acquiring the image information containing the driver information; when the vehicle enters the exit of a parking lot, comparing and judging whether the driver information is consistent or not by the server; if the driver information is consistent, receiving a releasing instruction fed back from the server by the parking lot terminal and releasing the vehicle; otherwise, preventing the vehicle from driving away. According to the invention, the vehicle in the parking lot is prevented from being stolen. Therefore, the parking safety is ensured.

The invention relates to a double-layered three-dimensional parking device. The double-layered three-dimensional parking device comprises an upper bracket, a front connecting rod, a rear connecting rod, a safe protecting device, racks, a lifting mechanism, a lower bracket and a translating mechanism; the lower portions of the racks are respectively hinged to the lower end of the front connecting rod and the lower end of the rear connecting rod; the upper end of the front connecting rod and the upper end of the rear connecting rod are respectively hinged to the upper bracket; the lifting mechanism is fixedly arranged on the racks and the rear connecting rod; the lower bracket is arranged between the lower portions of the racks; and the translating mechanism for controlling movement of the lower bracket is arranged on the lower bracket. The height of the whole double-layered three-dimensional parking device is 3.5. The double-layered three-dimensional parking device is suitable for places such as residential quarters, commercial districts and office buildings, and can be used independently; and moreover, a plurality of double-layered three-dimensional parking devices can be distributed integrally.

The invention discloses a solar vertical parking garage which comprises two rows of supports, a parking board storage bin, multiple parking boards and a lifting mechanism. Each row of the supports comprises multiple layers distributed in the vertical direction, a parking space is formed on each layer, and a space allowing vehicles to ascend and descend is formed between the two rows of the supports. The parking board storage bin is arranged between the two rows of the supports and is arranged on a foundation. The parking boards are distributed in the parking board storage bin in a stacked mode, the uppermost parking board is flush with the ground, the bottom of each parking board is provided with two sets of wheels, and one set of the wheels is driven by a first motor. The lifting mechanism comprises four chains arranged on the four corners of the space respectively. The two chains in the front portion of the space form a chain set moving synchronously, the two chains in the rear portion of the space form another chain set moving synchronously, and each chain set is provided with multiple bearing boars in the vertical direction at intervals. The solar vertical parking garage is small in occupied area, environmentally friendly and safe.

The invention relates to a method for preventing a longitudinal ship mooring rope from fracturing when a dock gate of a ship lift opens. The method comprises the following steps of: measuring hydraulics parameters of a ship tank and the ship when the dock gate of the ship lift opens and calculating the maximum longitudinal mooring force of the ship when the dock gate of the ship lift opens according to a formula; selecting a corresponding rope according to the calculated maximum longitudinal mooring force of the ship when the dock gate of the ship lift opens, berthing the ship in a ship reception chamber of the ship lift, and firmly tying the ship by a mooring rope; and opening and closing the dock gate of the ship lift for multiple times according to a certain rate tv, and detecting whether the mooring rope factures or not. The method has the beneficial effects that the maximum longitudinal mooring force of the ship when the dock gate is opened and closed can be calculated by selecting different formulas according to different water levels on the two sides of the dock gate of the ship tank of the ship lift, so that not only are the measurement and the calculation simple and convenient, but also the accuracy of a measuring result is improved, and further the fracturing of the mooring rope can be avoided.

The invention discloses an automatic parking path planning method based on B-spline theory, which uses sensors installed on the vehicle body to determine the specific position of the vehicle and the azimuth angle of the vehicle; according to the outline of the vehicle and the parking space, the vehicle and the parking space are simplified are rectangles ABCD and rectangle abcd, and analyze possible collision points; the planned parking path must ensure that the actuators of subsequent vehicles can be executed accurately; according to the analysis of the actual parking process, the overall running track of the vehicle is connected parking For a curve at the beginning and end positions, there are differences in the shape of the curve depending on the size of the parking space; the present invention can adapt to narrow parking spaces and more complex parking environments under the premise of ensuring parking safety; the planned parking The path is continuous and overcomes the influence of the uneven curvature of the planned parking path, avoids the problem of excessive steering wheel steering, makes the vehicle movement more gentle, and improves the driving experience.