43results about How to "Remind attention to safety" patented technology

The invention discloses an abnormal sound source judging and positioning system and an abnormal sound source judging and positioning method. The abnormal sound source judging and positioning system comprises a microprocessor module, a sound collection module and an abnormal sound source indication module, the microprocessor module comprises a microprocessor, a crystal resonance circuit, a reset circuit and a data memory, the sound collection module comprises three sound collection circuits, each of the sound collection circuits comprises a microphone, an audio frequency amplification circuit, an A / D conversion circuit and an anti-aliasing filter which are connected in sequence, the abnormal sound source indication module comprises a liquid crystal display screen, four abnormal sound source indication circuits, a left arm ring and a right arm ring, and each of the four abnormal sound source indication circuits comprises a D / A conversion circuit, a power amplification circuit, a voltage booster circuit and a position-indicating electrode which are sequentially connected. The abnormal sound source judging and positioning method includes the steps of firstly, collecting and transmitting sound signals; secondly, judging an abnormal sound source; thirdly, positioning the abnormal sound source; fourthly, indicating a position of the abnormal sound source. The abnormal sound source judging and positioning system and the abnormal sound source judging and positioning method can position the abnormal sound source accurately and efficiently, and are highly practical and convenient to popularize and use.

The invention discloses an automatic control device for an electrombile light, which belongs to the technical field of the electrombile device. The automatic control device comprises a storage cell, a controller, a left turn light, a right turn light, an angular velocity sensor and an alarm, wherein the input end of the angular velocity sensor is connected with a handle; the storage cell is respectively electrically connected with the controller, the angular velocity sensor, the alarm, the left turn light and the right turn light; and the controller is respectively electrically connected with the angular velocity sensor, the alarm, the left turn light and the right turn light. The automatic control device has the beneficial effect that the left turn light and the right turn light automatically light when the electrombile turns to warn passerby to take care in time so as to avoid accidents caused by that the turn lights are forgotten to turn on because of emergency. The automatic control device has the advantage of simple structure and is convenient to use.

The invention relates to a power plant operation process safety risk collection and identification system and method, and the system comprises a wearable video collection device which is worn by an operator and is used for shooting surrounding operation environment video data of the operator; The operating environment video acquisition device is used for shooting operating environment video data including operating personnel; The image processing device is used for acquiring video data shot by the wearable video acquisition device and the working environment video acquisition device, carryingout image preprocessing, extracting an interested area for safety risk analysis, and then carrying out feature recognition on the interested area to extract feature data; and the risk identification device is used for judging whether a safety risk exists in the current working environment or not according to the characteristic data. The synchronous double cameras are used for collecting video datain the current working environment, then image processing is carried out, feature data used for safety risk analysis are extracted, and the detection accuracy is high.

The invention discloses a tractor capable of sending out an overload warning. The tractor capable of sending out the overload warning comprises a housing, a fixing hook and a moving hook, wherein a first hanging ring and a sliding chute is arranged in the housing, a gear rack is installed on one side wall of the housing, a wire winding portion is arranged on the other side wall of the housing, a gear matched with the gear rack in engagement mode is connected with the gear rack, the gear is arranged on a sliding block in rotation mode, a second hanging ring, a rotating ring and a positioning block are arranged on the sliding block, the positioning block is arranged in the sliding chute in sliding mode, a spring is arranged between the first hanging ring and the second hanging ring, a round dial plate is fixedly connected with the sliding block, a scale mark, a first contact point and a second contact point are arranged on the round dial plate, the gear is fixedly connected with a rotation body, a pointer is arranged on the rotation body, a contact blade is arranged on the pointer, a fixed pulley and a wire outlet are arranged at the bottom of the housing, and a battery portion is arranged on the housing. Compared with the prior art, the tractor capable of sending out the overload warning is simple in structure and low in manufacturing cost, can display pulling force applied to a cable, and has a warning function, and furthermore can send out the overload warning so as to remind a user to be careful when the pulling force is overlarge.

The invention discloses a machine room security detection system. The machine room security detection system comprises a temperature and humidity sensor, a machine room monitoring centre, a solar panel, a storage battery, a guide rail and a mobile detection device; the solar panel is arranged on the upper end of a machine room; the lower part of the solar panel is connected to the storage battery;the storage battery is arranged on the upper end of the machine room; the guide rail is arranged on the inner wall of the machine room; the mobile detection device is arranged on the guide rail; themobile detection device is electrically connected with the storage battery; and the mobile detection device performs wireless communication with the machine room monitoring centre through a communication module. The mobile detection device is arranged on the upper end of the machine room; the environment in the machine room is detected in real time; anomaly occurring in any place in the machine room can be captured and detected by the mobile detection device at the first time; furthermore, information is transmitted to the machine room monitoring centre in time; the problem that the abnormal condition cannot be obtained in time by the existing detection manner can be solved; therefore, a maintainer can obtain the information to overhaul in the shortest time; and the loss is minimized.

The invention aims at providing a ship hull manhole typhoon-resistant tooling device with simple structure, strong safety and convenient installation. The tooling device comprises a locking device, amanhole through which a person can enter the cabin and a manhole typhoon resistant tooling. The locking device comprises an annular vacuum concave sheet metal arranged on the periphery of the manhole,and the side wall of the annular vacuum concave sheet metal is provided with a first through hole. The first through hole is provided with a vacuum cover plate adapted to the first through hole, theaxis of the first through hole and the geometric center of the vacuum cover plate are positioned on the same straight line, a plurality of external bolts are arranged on the upper surface of the vacuum concave sheet metal, and the external bolts are adapted to the manhole typhoon-resistant tooling. The tooling device is applied to the technical field of manhole safety protection.

The invention relates to a multifunctional safety walking aid which comprises two walking aid side frames with the same structure, each walking aid side frame comprises a front leg, a rear leg and a handle, and the upper portions of the front legs of the two walking aid side frames are fixedly connected through an upper transverse connecting rod; the walking aid is characterized in that heart rate sensors are arranged on handrails of the two walking aid side frames, a display host is mounted on the upper transverse connecting rod, and the heart rate sensors are connected with the display host; a rotating rod assembly is arranged between the lower parts of the front legs of the two walking aid side frames, stool pocket cloth is wound on the rotating rod assembly, one end of the stool pocket cloth is connected with the rotating rod assembly, and a set of movable connecting components is arranged between each of the two sides of the other end of the stool pocket cloth and the rear legs of the two walking aid side frames; the lower ends of the front legs of the two walking aid side frames are respectively provided with an obstacle sensor, the obstacle sensors are connected with an alarm, the walking aid is further provided with a step counting sensor, and the step counting sensor is connected with the display host. The device is ingenious in structure, reasonable in design, rich in function, safe and reliable.

The invention discloses a tractor capable of sending out an overload warning. The tractor capable of sending out the overload warning comprises a housing, a fixing hook and a moving hook, wherein a first hanging ring and a sliding chute is arranged in the housing, a gear rack is installed on one side wall of the housing, a wire winding portion is arranged on the other side wall of the housing, a gear matched with the gear rack in engagement mode is connected with the gear rack, the gear is arranged on a sliding block in rotation mode, a second hanging ring, a rotating ring and a positioning block are arranged on the sliding block, the positioning block is arranged in the sliding chute in sliding mode, a spring is arranged between the first hanging ring and the second hanging ring, a round dial plate is fixedly connected with the sliding block, a scale mark, a first contact point and a second contact point are arranged on the round dial plate, the gear is fixedly connected with a rotation body, a pointer is arranged on the rotation body, a contact blade is arranged on the pointer, a fixed pulley and a wire outlet are arranged at the bottom of the housing, and a battery portion is arranged on the housing. Compared with the prior art, the tractor capable of sending out the overload warning is simple in structure and low in manufacturing cost, can display pulling force applied to a cable, and has a warning function, and furthermore can send out the overload warning so as to remind a user to be careful when the pulling force is overlarge.

The invention relates to the technical field of vehicle exterior trims, in particular to a vehicle exterior trim with a fluorescent effect. The formula of the vehicle exterior trim consists of the following ingredients in parts by weight: 100 parts of PMMA or ASA resin, 0.2-0.35 parts of lubricant , 5.5-7.0 parts of toughening agent, 0.15-0.28 parts of transparent black pigment, 2.8-3.5 parts of fluorescent agent, 0.2-1.0 parts of dispersant and 0.4-0.5 parts of antioxidant. The invention also relates to a preparation method of the vehicle exterior decoration with fluorescent effect. After adding transparent black pigment and fluorescent agent to the formula, the vehicle exterior parts prepared by injection molding process can not only appear black to achieve the versatile effect of vehicle models, but also can be used in dim light or dark after absorbing light or other electromagnetic radiation. It emits visible light in an environment that is visible to the human eye, helps drivers and pedestrians identify passing vehicles, and promptly reminds drivers and pedestrians to pay attention to safety, thereby greatly improving the safety of vehicles; the preparation process of the present invention is simple and easy, and is conducive to industrial production .

The invention discloses ship navigation wind power alarm equipment which comprises a fixed pillar. The top end of the fixed pillar is fixedly connected with an alarm console; three groups of chutes are formed on the alarm console; metal sliding blocks are arranged in all of the three groups of chutes; the metal sliding blocks are connected with struts; the top ends of the struts are fixedly connected with wind shields; the inner side walls of the chutes are fixedly connected with springs; the other ends of the springs are connected with the metal sliding blocks; two groups of first contact pieces, two groups of second contact pieces and two groups of third contact pieces are sequentially arranged in each of the three groups of chutes; a red lamp, a yellow lamp and a green lamp are arrangedon the alarm console; an electric bell is arranged at the center of the alarm console; and power supplies are arranged in the chutes. According to the ship navigation wind power alarm equipment, notonly is the structure simple, different colors of lamps can be turned on according to strength of wind to enable a worker to visually see, but also the electric bell can ring when wind is strong so asto remind personnel on a ship to pay attention to safety.

The invention discloses an intelligent safety control system for an industrial electric flat car. The power supply is depressurized by a low-voltage power supply device and then sent to the track. The boosted power supply device on the flat car takes power from the track and boosts the voltage. Send it to the motor of the electric flat car, and the control power supply device takes power from the boost power supply device and sends it to the signal sampling device and the intelligent controller respectively, and the intelligent controller receives the output signal of the signal sampling device and then sends the control signal to the driving device and the braking device The motor of the electric flat car is controlled, and the braking device takes power from the track and then sends DC power to the motor of the flat car to achieve braking. The electric flat car has sound and light warning function when it is moving, and it has automatic smooth braking function when it stops to avoid the workpiece on the flat car from moving; it can automatically stop smoothly when it encounters obstacles or track limits during movement, thereby avoiding or reducing equipment accidents or personal accident.

The invention discloses a system and method for judging and locating an abnormal sound source. The system includes a microprocessor module, a sound collection module and an abnormal sound source indication module. The microprocessor module includes a microprocessor, a crystal oscillator circuit, a reset circuit and a data memory; the sound collection module includes three-way sound collection circuits, and each sound collection circuit is composed of a microphone, an audio amplifier circuit, an A / D conversion circuit and an anti-aliasing filter connected in sequence; the abnormal sound source indication module includes a liquid crystal display 1. The four-way abnormal sound source indicating circuit, the left arm ring and the right arm ring, and the four-way abnormal sound source indicating circuit are all composed of a sequentially connected D / A conversion circuit, a power amplifier circuit, a boost circuit and a position indicating electrode; the method The steps include: 1. sound signal collection and transmission, 2. abnormal sound source judgment, 3. abnormal sound source location, and 4. abnormal sound source orientation indication. The invention can efficiently and accurately locate the azimuth of the abnormal sound source, has strong practicability, and is convenient for popularization and use.