73results about How to "Personal Safety Protection" patented technology

The invention discloses a dynamic positioning monitoring method and system based on speech recognition. The method comprises the steps of obtaining current position data through real-time positioning; inputting a speech signal, and performing preprocessing to obtain a speech digital signal; performing feature parameter extraction based on a linear prediction cepstrum coefficient (LPCC) on the speech digital signal, and obtaining speech signal parameters; building a speech template base composed of target sound templates; constructing an artificial neural network model, judging whether abnormity exists or not on the basis of recognition of speech feature parameters obtained through the built speech template base, and generating and sending a control signal when it is determined that abnormity exists; according to the control signal, sending the current position data. The system comprises a GPS module, a speech sensing module, a control module and a GSM module. The input speech signal can be recognized and judged, whether the danger condition exists or not is judged, the current position data of the user obtained through positioning can be sent for the first time, and monitoring real-time performance and accuracy are improved.

The invention discloses a grinding method for a thin wall guide tube with a tungsten carbide coating and particularly relates to the grinding method for the thin wall guide tube with the tungsten carbide coating and a fixture. According to the grinding method for the fixture, the fixture is ground by operating a grinding machine, and the positioning accuracy of workpieces is improved; according tothe grinding method for the thin wall guide tube with the tungsten carbide coating, grinding machining process parameters are confirmed on base of the grinding technical requirements for the outer outline (an outer circle, a transition circle angle, an end face and an end face chamfer) of the thin wall guide tube with the tungsten carbide coating, and grinding process control is performed on theouter outline of the thin wall guide tube with the tungsten carbide coating; by means of the grinding method for the thin wall guide tube with the tungsten carbide coating and the fixture, the fact that the grinding machine, the fixture, a grinding wheel and the workpieces form a complete process system in grinding is realized, in this way, occurrence of the coating grinding quality problem of aluminum alloy sleeve type thin-wall parts of some type is completely eradicated, and the long-term practice test is performed, the qualified rate of the parts is increased, and the grinding method for the thin wall guide tube with the tungsten carbide coating and the fixture has reference significance in guiding production.

The invention relates to a high-altitude falling protection device comprising a three-axis acceleration sensor, a main control circuit, an ignition drive circuit, an igniter, a gas generator and an airbag, wherein the three-axis acceleration sensor detects an acceleration and transmits an acceleration signal to the main control circuit; the main control circuit receives the acceleration signal and sends an ignition enable signal to the ignition drive circuit; the ignition drive circuit receives the ignition enable signal and conveys driving electric power to the igniter; the igniter is built in the gas generator and can explode an ignitor in the gas generator; the gas generator is filled with the ignitor and a gas producing agent, and an outlet of the gas generator is communicated with the airbag; and the airbag comprises more than one safe air bag, the safe air bags are folded and frizzled in a knapsack, and an air bag popup opening for the popup of the safe air bags is formed in the knapsack. The high-altitude falling protection device provided by the invention has the advantages of simple structure and convenience in use, and can effectively reduce the damage caused by high-altitude falling and ensure the safety of high-altitude operation personnel.

The invention relates to the technical field of ship fittings, in particular to an anti-collision device for a stem of a park yacht based on non-Newtonian fluid. The anti-collision device solves the problem that an existing anti-collision device for a stem of a yacht is not high in protection. The anti-collision device comprises a fixing frame, wherein the fixing frame is in an arc shape, a positioning pin is fixedly connected to the middle portion of the inner side of the fixing frame, an anti-skid pad is fixedly connected to the inner side of the fixing frame, a protective bag is fixedly connected to the outer side of the fixing frame, and the inner portion of the protective bag is filled with the non-Newtonian fluid. According to the anti-collision device, when the stem of the yacht isimpacted, the non-Newtonian liquid shows the characteristics of being as strong as steel under the instant impact, the anti-collision performance of the anti-collision device is maintained, a certaindegree of protection is brought to the personal safety of the yacht, and the damage to the stem caused by the impact is reduced.

The invention belongs to the technical field of cast iron pipe corrosion prevention, and particularly discloses a nodular cast iron pipe outer surface anti-corrosion treatment technology. An oil coating device used in the nodular cast iron pipe outer surface anti-corrosion treatment technology comprises a base plate. An installation frame is fixed to the top end of the base plate, a push rod motoris fixed to the top end of the installation frame, and a push disc is installed at the output shaft end of the push rod motor in a rotating mode. A rectangular plate is fixed to the top end of the base plate, and a circular through hole is formed in the side wall of the rectangular plate. A rotating ring is installed on the side, facing the push rod motor, of the rectangular plate in a rotating mode, and steel wire brushes are fixed to the inner side wall of the rotating ring at equal intervals in the circumferential direction of the rotating ring. According to the nodular cast iron pipe outer surface anti-corrosion treatment technology, a protective oil layer coats the surface of a cast iron pipe which is subjected to rust removal treatment, a membrane is wound around the surface of thecast iron pipe, the surface of the cast iron pipe can be isolated from the air, and therefore the problem that rust is generated on the surface of the cast iron pipe again in the storage or transportation process is prevented from happening, and then the effect and the efficiency of cast iron pipe outer surface corrosion prevention are improved.

The invention relates to a safety seat cabin, which comprises a seat with a backrest and a seat cushion, and a safety cabin, wherein the seat is arranged in the safety cabin, the connection mode between the seat and the safety cabin is a dismountable installation mode, and the safety cabin is provided with a cabin door which can be opened and closed, and an emergency button used for controlling the opening and the closing of the cabin door. The safety seat cabin not only can resist damage on the human body due to severe collision in various traffic accidents, but also can effectively resist the damage caused by explosion and high temperature on the human body, thereby further protecting the safety of passengers, and the invention has strong practicability and good application prospects.

The invention is suitable for the technical field of computers, and provides a wearable device based safety reminding method. The wearable device based safety reminding method comprises the steps of obtaining the current position of a wearable device user; judging whether the current position is within a preset safety region; when the current position is not located in the preset safety region, detecting the motion of the wearable device user; when detecting that the motion is the preset squatting motion, obtaining the squatting duration of the wearable device user; when the squatting duration of the wearable device user is beyond a preset squatting duration threshold, reminding the wearable device user through a preset reminding mode. Therefore, the safety hazard of the user when squatting in an unsafe region is reduced efficiently, and the user safety is protected efficiently.

The invention discloses a method used for preparing a solid-solid phase change material by polyethylene glycol/terylene physical blending, and belongs to the field of functional polymer synthetic technology. According to the method, 60 to 95 weight parts of polyethylene glycol and 40 to 5 weight parts of terylene are taken as raw materials, and are mixed according to charging sequence at a certain temperature with stirring so as to realize physical blending; and then the mixture is subjected to shock cooling, pumping filtration, and vacuum drying so as to connect polyethylene glycol and terylene via hydrogen bonds and intermolecular forces, and obtain the polyethylene glycol/terylene physically blended solid-solid phase change material. The method comprises following steps: drying and dissolving of the raw materials; dropwise adding of polyethylene glycol into terylene solution at a certain temperature; physical blending for a certain time at a certain temperature with stirring; immersion cooling and washing; pumping filtration; vacuum drying; obtaining of milk white particles of the solid-solid phase change material; and performance test.

The invention discloses a movable rack body tilting prevention device comprising an electronic horizontal tilt angle sensor and an electric control component which are arranged at the top of a rack body, wherein a rack body chassis is provided with a screw rod motor; a screw rod of the screw rod motor is provided with a sleeve; the sleeve is provided with a tilting-prevention hook; the electronic horizontal tilt angle sensor is electrically connected with the electric control component; the electric control component is electrically connected with the lead screw motor; the tilting-prevention hook is capable of hooking or releasing a track at the lower part of the chassis by virtue of up-and-down movement of the screw rod sleeve on the motor. The movable rack body tilting prevention device has the advantages of being reliable and practical in structure and simple and rapid in installation, ensuring the safety and stability in operation of the rack body and better protecting the personal safety of an operator.

The invention discloses automatic gas nail assembling equipment with high safety performance. The automatic gas nail assembling equipment comprises a pressure-bearing support, electric hydraulic rodsare fixedly installed at the top ends in grooves, a pressure sensor is fixedly installed on the upper surface of a supporting frame, a photoelectric protector is fixedly installed on the upper surfaceof a working table top, a collecting groove is formed at one side, close to of a storage tank, of the upper surface of the working table top, and a discharging tank is fixedly connected to the lowersurface of the colleting groove. Through the photoelectric protector, when the automatic gas nail assembling equipment operates normally, the personal safety of operators can be effectively protected;through the collecting groove, the discharging tank and a receiving box, assembled gas nails can be collected; and through the electric hydraulic rods, the normal working stability of the automatic gas nail assembling equipment can be further improved on the premise of not affecting normal moving of the automatic gas nail assembling equipment.

The invention discloses a lifting device for mining with high stability. The lifting device for the mining comprises a base, a lifting frame is fixedly arranged on the upper surface of the base, and asupporting stabilizing piece is connected to the position, close to the lifting frame, of the outer part of the base in a sleeved mode, a lifting air cylinder is fixedly installed inside the liftingframe, and a supporting platform is fixedly connected to the top end of the lifting frame; and a protective assembly is fixedly installed at the position, close to the edge, of the upper surface of the supporting platform. According to the lifting device, the supporting stabilizing piece is arranged, so that the phenomenon that the lifting device shakes in the using process is avoided, and the stability of the supporting platform is improved; the protective assembly is arranged, the height of a cross rod assembly can be adjusted, so that the phenomenon that a user falls off and leaves the supporting platform is avoided; a sliding assembly is arranged, when the supporting platform is used, the user can conveniently convey mining materials through the supporting platform and a sliding plate,an additional supporting plate does not need to be additionally arranged, and the conveying of the mining materials is facilitated.

The invention relates to an apartment bed, in particular to an apartment bed capable of protecting personal safety in an earthquake. The apartment bed capable of protecting the personal safety in theearthquake can resist collapse of buildings, and has a nutrition supply function when people are trapped by the buildings. The apartment bed capable of protecting personal safety in the earthquake comprises a protective frame, wherein a ladder is mounted on one side of the protective frame; a lifting mechanism mounted on the protective frame and used for driving people to move; and a linkage mechanism mounted on the protective frame, matched with the lifting mechanism and used for limiting the lifting mechanism. The linkage mechanism is disconnected with a circuit, the linkage mechanism stopslimiting the lifting mechanism, the lifting mechanism moves downwards to drive people into the protective frame under the action of gravity, meanwhile, the lifting mechanism moves downwards to make contact with the linkage mechanism, and the lifting mechanism drives the linkage mechanism to operate to limit the protection frame, so that personal safety can be protected during the earthquake.

The invention provides a deodorization method in ester synthesis. The deodorization method in the ester synthesis is characterized by the following steps that S1, synthetic action of polyglycerol ester is carried out in a reaction kettle by adopting a temperature-gradient method; S2, at the end of the action, the vacuum degree in the reaction kettle is adjusted to -0.06-0.099MPa; and S3, air exhaust is carried out, specifically, air exhaust is carried out through an air rising pipe and parts of materials are recycled, in the S3, unpleasant odor is removed through a tower plate group arranged in the air rising pipe. The deodorization method in the ester synthesis solves the problem of the unpleasant odor generated in the production process of the polyglycerol ester, protects the environmentand human body personnel safety to a certain extent; and solves the problem of object cyclic utilization of distillation distilled off in the synthesis process of the polyglycerol ester, and reducesthe water supply volume and discharging of water.

The invention provides an emergency sheltering mechanism for a seat with a pressed roof and a using method thereof. The emergency sheltering mechanism for the seat with the pressed roof comprises an automobile, a seat, a plurality of active sliding mechanisms and a pressure sensor. The multiple driving sliding mechanisms are all arranged in the automobile. The multiple pressure sensors are all arranged at the top of the automobile, and the seat is arranged on the driving sliding mechanism. The driving sliding mechanism comprises a driving mechanism, a shell and a movable base. According to theemergency sheltering mechanism for the seat with the pressed roof and the using method thereof, through cooperation of the arranged automobile, the seat, the multiple active sliding mechanisms and the pressure sensors,when heavy objects such as steel rails or wood falling from the roof of an automobile due to rollover of a truck suddenly fall down, people can effectively topple over, and then thesitting posture of people is changed into lying down. The head of the person originally close to the roof is far away from the roof. The personal safety of personnel is protected.

The invention belongs to the high voltage line field technology field and especially relates to an electrician high-voltage line walking device. The device comprises a first supporting plate and a second supporting plate. A mica layer is fixedly installed at a top of the first supporting plate. By using the electrician high-voltage line walking device, a second walking device is arranged on an upper surface of the second supporting plate, and the second walking device includes a third function cabinet and a fourth function cabinet. A bottom of the third function cabinet is fixedly connected with the upper surface of the second supporting plate, and the bottom of the fourth function cabinet is fixedly connected with the upper surface of the second supporting plate so that an effect that thesecond walking device divides pressure for a first walking device when a professional is overweight in a using process of the device is achieved. A problem that when the professional uses the deviceto inspect a high-voltage line, the first walking device is only arranged so that if the first walking device is damaged, personal safety of the professional cannot be effectively protected is solved.

The invention discloses an automobile bumper device with an expansion function. The device comprises a bumper (1) and two bumper expansion components (2), and the two bumper expansion components are respectively mounted at two ends of the bumper; a trigger part is arranged on the bumper expansion assembly and located in front of the bumper, and when the trigger part moves towards the bumper under the action of an external force, the bumper expansion assembly can expand in the extension direction of the end of the bumper; and an expansion locking mechanism is further arranged between the bumper expansion assembly and the bumper, and when the bumper expansion assembly is expanded to the extending direction of the bumper, the expansion locking mechanism can lock the bumper expansion assembly and the bumper and combine the bumper expansion assembly and the bumper into a whole. The bumper device can be expanded when collision occurs so that the collision force is greatly dispersed, the damage of collision impact to the whole structure of the vehicle is reduced, and the personal safety of a driver and passengers in a compartment is fully protected.

The invention provides a safety pin anti-falling device, and belongs to the field of tobacco processing mechanical equipment. The safety pin anti-falling device is used for preventing a safety pin from loosening, falling, being lost and the like in the working vibration process. The safety pin anti-falling device comprises a safety pin, a connecting plate and a U-shaped spring stretcher. The U-shaped spring stretcher comprises a U-shaped support, a spring and a telescopic rod, mounting holes are symmetrically formed in the vertical faces of the two sides of the U-shaped support, the telescopicrod penetrates through the mounting holes, the end of the telescopic rod is fixed to the upper end of the connecting plate located on one side of the U-shaped support, the telescopic rod is sleeved with the spring, the spring is arranged in the U-shaped support, and a circular hole used for installing the safety pin is formed in the lower end of the connecting plate. According to the device, theproblems of personnel potential safety hazards, economic losses and the like caused by abnormity of the safety pin are solved, and the normal service life of the safety pin is prolonged.