36results about How to "Guaranteed line of sight" patented technology

The invention discloses an intraoral LED illumination device with a biteblock, which comprises a U-shaped bending frame and a biteblock connected with one end of the frame, wherein, an LED light source and a light source switch of controlling the switching on-off of the light source are fixed on one end of the frame.

The invention provides a dust removing curtain device for a development machine, and belongs to the field of engineering machinery. The device comprises a curtain, a positive pressure wind cylinder, a negative pressure wind cylinder, and a dust removing fan and a dust remover sequentially connected with the negative pressure wind cylinder. The curtain is arranged on a development machine body and divides a development roadway into two parts, the positive pressure wind cylinder and the negative pressure wind cylinder are respectively arranged on two sides of the curtain, and the operating compartment of the development machine is arranged on the side where the positive pressure wind cylinder is positioned. The development roadway is divided into two parts by adopting the curtain device; the purpose of removing dust in the roadway is fulfilled by using circulating airflow formed by the positive pressure wind cylinder and the negative pressure wind cylinder; and meanwhile, because an operator is positioned at the side of the positive pressure wind cylinder, the operator is isolated from dust, the working environment of a development worker is improved and the physical and psychological health of the development worker is ensured.

The invention discloses an automobile windshield obstruction detection and auxiliary driving system and method, belonging to the technical field of automobile active safety; the system includes a camera, a laser radar, a data processing unit, double flashing lights, a wiper, an acceleration sensor, and a direction machine and brake actuators, the present invention detects the blocking situation on the windshield of the car through the ingenious layout of the camera, so that in an emergency, the car can automatically turn on the wiper to remove the blocking object, and at the same time, turn on the double flashing lights , warn the surrounding vehicles, ensure the driver's line of sight, and greatly improve the driving safety in emergencies.

The invention discloses a cabinet used for installing a power transmission line image monitoring terminal. The cabinet includes an upper cover, an inner cover, and a bottom box, the upper cover is made of an insulating material, and the inner cover and the bottom box are made of metal materials; the bottom of the inner cover is sealingly connected with an opening of the upper end of the bottom box, so that a sealed chamber for mounting the image monitoring terminal is formed in the bottom box; the inner cover is provided with an equipotential contact sheet and at least one main conducting linefastener used for locking the cabinet on a power transmission conducting line; one end of the equipotential contact sheet is embedded in the inner cover and protrudes into the sealed chamber, and theother end extends toward the power transmission conducting line and can be in contact with the power transmission conducting line, so that the equipotential contact sheet can be used for connecting the power transmission conducting line with a ground wire of the image monitoring terminal, and so, the image monitoring terminal is equipotential with the power transmission conducting line; and a connection between the equipotential contact sheet and the inner cover is sealed. The invention also discloses an installation method of the power transmission line image monitoring terminal. The cabinetand the installation method solve the technical problems that installation is inconvenient and unsafe, and protection of monitoring terminals is poor in the prior art.

The invention relates to the technical field of firefighting, and discloses a smoke alarm device for firefighting, which includes a housing and a wall. The inside of the housing is fixedly connected with a photosensitive component, the inside of the housing is fixedly connected with lamp beads, and the inside of the housing is fixedly connected with The filter membrane is fixedly connected with an electromagnet inside the shell, and is connected with a touch plate inside the shell. The outside of the touch plate is fixedly connected with a fixed assembly, and the outside of the fixed assembly is connected with a clamp rod. Under the interaction between all the structures of the device, the device can exhaust the indoor environment when it is used under normal conditions, which not only ensures the smooth flow of air in the indoor environment, but also makes the smoke emission point far away. The smoke can be gathered to the outside of the device, and the smoke alarm function can be played in time, so that the smoke alarm function of the device is more sensitive.

The invention discloses an all-around automobile windshield washing agent, which is prepared from the following raw materials in parts by weight: 1-30 parts of ethanol, 1-20 parts of APG (alkyl polyglucoside), 1-20 parts of glycol, 1-10 parts of glycerol boric acid aliphatic ester, 1-10 parts of pentaerythritol aliphatic ester, 1-10 parts of water-soluble silicone oil, 1-20 parts of calcium chloride dehydrate and 30-80 parts of water. Because the all-around automobile windshield washing agent contains the glyol, the all-around automobile windshield washing agent can not be frozen at 18DEG C below zero. The APG and the pentaerythritol aliphatic ester can play the roles in preventing mold and enhancing the elasticity of a rubber wiper blade so that the wiper blade can completely wipe water.The all-around automobile windshield washing agent can prevent freezing and mist, rapidly eliminate fog and melt snow, the all-around automobile windshield washing agent also has the functions of preventing mold and enhancing the elasticity of the rubber wiper blade, the service life of the rubber wiper blade can be effectively prolonged, and the water can be wiped completely. The all-around automobile windshield washing agent is an all-around product, the clear line of sight of a driver can be kept under any circumstances, and the driving safety can be guaranteed.

The invention relates to a device for automatical balance of temperature difference inside and outside a car window and a working process of the device. The device comprises at least one of the following devices: a cold-warm air device and a cold-warm electric device, wherein 1) the cold-warm air device comprises a cold-warm air source, the cold-warm air source reaches each car window through an air pipe; a booster fan and a solenoid control valve are arranged on the path of the air pipe, and a motor for adjusting the power of the booster fan is arranged on the booster fan; and 2) the cold-warm electric device comprises a semiconductor having a peltier effect and a current generator for controlling the intensity and direction of the current passing through the semiconductor, and the semiconductor is placed at a position close to each car window. According to the invention, each part of the cold-warm air device and the cold-warm electric device is independently controlled, and can be flexibly and selectively used according to the practical situation, so that energy consumption is reduced as far as possible while the purpose of using is achieved, and the characteristic of saving energy is provided; and 2) a sensor is arranged on the device disclosed by the invention, so that the concrete state of each car window can be detected so as to keep the best working state of each car window, guarantee the sight of a driver and ensure safe driving.

The invention discloses a shielding and protection device for a windscreen of a military transport vehicle. The shielding and protection device comprises a fixed plate which is arranged at the top of a cab, wherein the fixed plate is arranged along the upper edge of a car window; the fixed plate is respectively provided with rotary arms which are in rotary match with the fixed plate along the two sides of the car window; a venetian blind which can be overturned is arranged between the rotary arms along the car window; the venetian blind adopts a nylon alloy plate or a polyethylene fiber bulletproof plate and is provided with a groove for guiding a bullet shrapnel to slide away, so that the venetian blind has the bulletproof function and the safety of a driver and passengers can be protected; the venetian blind can be used for shielding reflected light of window glass and the vehicle is prevented from being exposed to enemies; the angle of a blade of the venetian blind is adjusted so as to ensure the sight of driving the vehicle.

The invention provides an automotive safety system, which comprises a sensing unit, a processing unit, a control unit and a display unit, wherein the sensing unit is used for acquiring an image frame of an eyeball image containing an eyeball at a preset distance; the processing unit is used for calculating the pupil position of the eyeball image in the image frame and generating a driving signal corresponding to the pupil position; the control unit is used for triggering an automotive device associated with the pupil position according to the driving signal; and the display unit is used for displaying information of the automotive device.

The invention discloses a vehicle automatic control device, the vehicle automatic control device comprises a master control button, a power conversion device, a micro controller, a left intelligent light-shielding plate, and a right intelligent light-shielding plate; the master control button communicates with the ECU of the vehicle connected, the ECU communicates with the microcontroller, and the power conversion device is electrically connected to the microcontroller, the left smart sun visor, and the right smart sun visor respectively; the master control button is used to control the vehicle The entire automatic control device enters the working state from the closed state, or enters the closed state from the working state; the ECU controls the driver corresponding to the power conversion device based on the signal received from the master control button, so that the driver starts to work Or stop working, and then make the power conversion device output electric power or stop outputting electric power. The vehicle automatic control device disclosed by the invention can guarantee the safety performance of vehicle driving and the personal safety of the driver.