537 results about "Crash helmet" patented technology

The invention discloses a multifunctional safety helmet management system and method based on the Internet of Things, relates to the field of safety production, and solves the problems that a traditional safety helmet is single in safety management function, insufficient in data processing precision and the like. A multi-dimensional state data sequence is continuously collected through a three-axis acceleration sensor, a temperature and humidity sensor, a positioning sensor, a vital sign sensor and the like integrated on the safety helmet terminal; terminal monitoring characteristics including an acceleration module value, a position drift distance and a physical sign fluctuation index are constructed, data reliability is evaluated through weighted fusion of dynamic fluctuation values, and an abnormal terminal is isolated. And carrying out space-time calibration on the reliable data to generate a unified coordinate system trajectory, analyzing and identifying abnormal behaviors through group trajectory consistency, and constructing a regional safety risk map in combination with a signal blind area coverage rate, thereby realizing safety risk level prediction based on historical data and real-time trajectory matching. According to the invention, comprehensive real-time monitoring of the state of the operator is realized, and the intelligent level of safety production management is improved.

The invention discloses an intelligent multifunctional safety helmet, which belongs to the technical field of intelligent safety helmets, integrates a plurality of functional modules such as high-definition audio and video, positioning, alarming and the like, is used for solving the safety problem in a production field operation process, and is used for assisting sensing positioning and correcting a real-time coordinate position by image analysis in a positioning and tracking process. The corrected real-time coordinate positions form continuous track points to generate a personnel dynamic operation track, the positioning accuracy is improved, then the personnel dynamic operation track and a preset standard operation track are subjected to matching early warning analysis, and based on the personnel dynamic operation track, video data and an environment sensing technology are combined, so that the positioning accuracy is improved. The track data, the video data and the environment sensor data are subjected to space-time alignment, track-environment associated risk analysis is realized, the safety of a real-time operation environment is further guaranteed, front-end field operation is more intelligent and safer, and rear-end project management is simpler and more efficient.

The invention provides a construction site monitoring method and system based on Beidou positioning and digital twinning, and relates to the technical field of highway construction supervision. According to the invention, real-time position information of equipment, personnel and vehicles on a construction site is accurately obtained through a Beidou positioning technology, and an equipment and personnel dynamic model and a traffic dynamic model are constructed in combination with vehicle passing data collected by road test equipment. And fusing the dynamic model with a pre-constructed construction site environment model by using a digital twinning technology to generate a high-precision construction site digital twinning model. According to the model, real-time three-dimensional visual monitoring of a construction site is realized, external intrusion and internal collision risks are effectively prevented, illegal behaviors of not wearing a safety helmet and the like are identified in combination with AI, and accident tracing is realized through the Internet of Things. The construction site can be comprehensively monitored without manual inspection, and the safety and inspection efficiency of highway construction are remarkably improved.

The invention discloses a safety production management method and a production safety management system based on safety helmet detection, and relates to the technical field of production safety management. Multi-modal data acquisition is realized by constructing an explosion-proof intelligent camera cluster and a wearable positioning terminal, an improved YOLOv7-Tiny model and an HRNet key point detection technology are adopted, illumination compensation, atomization elimination and data enhancement technologies are combined, and precise recognition of the wearing state, the angle deviation and the compliance of the safety helmet is completed; triggering hierarchical response in real time based on a five-level dynamic early warning rule, predicting a future risk probability of an operator through an optimized MLP prediction network in combination with historical violation data, and formulating a personalized scheme; according to the invention, a closed-loop management system of real-time monitoring, intelligent early warning, behavior prediction and active intervention is formed, the occurrence rate of safety accidents is significantly reduced, and the safety standardization of operators and the safety management efficiency of enterprises are improved.

The invention provides a construction site safety supervision method and system based on multi-mode intelligent perception, and relates to the technical field of highway construction supervision. A construction area is scanned through a 5G camera, multi-mode intelligent sensing data such as videos, positioning and environment sensors are fused, a three-dimensional model of a construction site is constructed, and the positions of equipment and personnel are accurately determined. Beidou positioning and safe area setting are combined, real-time safety detection is carried out, illegal intrusion of external vehicles and personnel is effectively prevented, and construction of equipment and personnel outside a safe area is avoided. According to the method, illegal behaviors of not wearing safety helmets and the like are intelligently identified by using AI, post-accident tracing is realized through the Internet of Things, accurate traffic guidance information is published in combination with Atdes and Baidu maps, the collision risk and potential safety hazards are reduced, and the safety of a highway construction site is comprehensively improved.

The invention discloses a human-hat matching method, system and equipment based on an intelligent safety helmet, and relates to the technical field of biological feature recognition, and the human-hat matching method based on the intelligent safety helmet comprises the steps: determining a matching strategy according to a working area where the intelligent safety helmet is located; receiving a human-hat matching instruction, and generating a voice prompt-data acquisition instruction according to the matching strategy and the human-hat matching instruction; the voice prompt-data acquisition instruction is sent to the intelligent safety helmet located in a working electronic fence coverage area, so that the intelligent safety helmet sends a preset voice prompt and feeds back acquired identity data, and the intelligent safety helmet is in a power-on state and a wearing in-place state; and carrying out human-hat matching according to the matching strategy and the identity data to obtain a human-hat matching result. According to the invention, people-hat matching can be accurately carried out in construction areas under various working conditions, and the construction safety management level is effectively improved.

A helmet, which can, for instance, be a sports helmet or a work safety helmet, comprises a helmet body that comprises a solid foam of expanded foam particles, wherein the solid foam at least regionally has a varying hardness.

The invention relates to the technical field of construction safety management. The construction personnel safety helmet wearing detection method comprises the steps that a YOLOv8 target detection model is used for carrying out safety helmet target detection on real-time monitoring video information of a construction area, and a safety helmet detection result is obtained; a semantic segmentation algorithm and a head key point detection technology are adopted to identify the safety helmet wearing state of a constructor to obtain a wearing state judgment result, a color feature extraction method is adopted to perform color classification on safety helmets to obtain a safety helmet color classification result, and a target tracking algorithm is adopted to perform target tracking on the constructor to obtain a target tracking result. The method comprises the steps of obtaining a target tracking result, performing analysis according to a preset violation detection rule based on the target tracking result, and generating safety early warning information if it is detected that a constructor does not wear a safety helmet or mistakenly wears the safety helmet. According to the invention, real-time detection of the safety helmet wearing state of the constructor is realized.

The utility model discloses a safety helmet impact experience device with an automatic demonstration function, which comprises an experience cabin, a vertically arranged guide cylinder is arranged at the top of the experience cabin, a lifting rope and a lifting ball penetrate through the guide cylinder, a vertical guide rail is arranged at the top end of the outer wall of the experience cabin, a lifting seat is slidably arranged on the vertical guide rail, and the lifting seat is provided with a sliding block. A take-up and pay-off mechanism capable of pulling the lifting rope to ascend is arranged on the lifting seat; a lifting table is arranged in the experience cabin, and a standing groove is formed in the middle of the lifting table. The utility model relates to a safety helmet impact experience device with an automatic demonstration function, which belongs to the technical field of safety training demonstration equipment and can demonstrate the situation that experiencers with different heights are hit by objects falling from high altitude after wearing safety helmets and adjust a hanging ball to fall from different heights, so that the experiencers feel hit by the objects with different heights.

The invention relates to the technical field of safety helmet injection molding, in particular to safety helmet injection molding equipment convenient to cool, which comprises a lower workbench, an upper workbench and a box body, the upper portion of the lower workbench is connected with a box. The upper part of the box is connected with an upper workbench; the device further comprises a spraying mechanism, a transferring mechanism and a dehumidifying mechanism. The box body is connected with a spraying mechanism; the rear part of the box body is connected with a transfer mechanism; the outer wall of the box body is connected with a dehumidification mechanism. Mist-shaped cooling liquid is sprayed to the outer surfaces of the lower mold and the upper mold through the spraying mechanism, cooling water pipes in the lower mold and the upper mold are matched, internal and external simultaneous cooling is achieved, and the difference is that in the prior art, cooling is conducted only through the internal cooling water pipes, so that cooling efficiency is poor, and after the lower mold and the upper mold are separated, cooling efficiency is high. The temperature of the non-cooled position is conducted to the surface, tightly attached to the safety helmet finished product, of the lower mold and the upper mold, the temperature rises again, at the moment, condensate water is formed on the surface of the safety helmet finished product when the safety helmet finished product makes contact with outside cold air, and follow-up injection molding is affected.

The invention provides a power transformation maintenance management and control method based on an intelligent safety helmet, and belongs to the technical field of power transformation maintenance. Comprising the following steps: analyzing a maintenance operation work ticket, and obtaining maintenance items, operators and operation areas; a worker wears an intelligent safety helmet to complete local networking; matching and associating the intelligent safety helmet with an operator; an electronic fence is determined according to the operation area, and coordinate information of the electronic fence is synchronized to all the intelligent safety helmets in the group; in a working site, the intelligent safety helmet is used for safety management and control. The method can achieve the automatic analysis of the work ticket, carries out the electronic identity matching of an operator, and guarantees that the operator accords with the regulation of the work ticket. In the operation site, the intelligent safety helmets worn by the maintenance responsible person provide global safety control, and the intelligent safety helmets worn by other operators realize mutual auxiliary monitoring, so that an omnibearing control system for the operation site is constructed, the control coverage range is obviously improved, and the system is more comprehensive.

The invention discloses a traffic engineering construction management method and system based on intelligent perception, and belongs to the technical field of construction management. The system comprises an environment sensing module, an intelligent analysis module, a risk assessment module and an early warning prompt module. The environment sensing module is used for collecting GIS map and environment data, azimuth parameters of operation objects in a construction area and operation parameters of moving objects in a road area, and constructing a three-dimensional scene; the intelligent analysis module analyzes the state of the operation object according to the azimuth parameters and sets equivalent points in the three-dimensional scene; analyzing and calculating a weight coefficient of the moving object in combination with the environment data and the operation parameters; the risk assessment module sets detection points for the equivalent points, analyzes the parameters of the driven-in moving object, calculates the risk coefficient of the equivalent points and the risk index of the operation object in combination with the weight coefficient, marks the operation object and sets a safety point; the early warning prompt module gives out acousto-optic early warning through the helmet, and voice prompt marks that the operation object immediately moves to a safety point for danger avoiding.

1. The name of the design product: safety helmet protective cover (2). 2. The use of the design product: the design product is a protective cover for safety helmet, which has the functions of dustproof, face protection, eye protection, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

A universal mounting system for safety helmets is provided, comprising a front mounting position and a rear mounting position, and an auxiliary ridge on either side. A visor is attached to the helmet mounting system in a manner that minimizes obstruction from access to devices attached to ports in the mounting positions and auxiliary ridges. Various embodiments of the visor enable modular designs incorporating different materials and features of the visor. Parallel stretchable zones allow for folding and holding the opposing edges of the visor. A closed, resilient area along the inside of the visor allows the user to access the auxiliary ridge. Combinations of various accessories on the helmet and how these accessories work together on the universal mounting system are discussed: interactions between visors, earmuffs, face shields, and lights.

The engineering safety helmet comprises a helmet shell and a support, and the support comprises a fixing ring and a plurality of elastic clamping plates; all the elastic clamping plates are connected to form an inner buckle cap; a movable isolation cavity is formed between the inner buckle cap and the inner side wall of the cap shell; the adjusting belt is mounted in the movable isolation cavity; the engineering safety helmet is simple in structure, the adjusting belt is independently arranged in the movable isolation cavity between the inner buckle cap and the helmet shell, and dust and other foreign matter can be effectively prevented from entering the helmet to affect adjustment of the adjusting belt; the elastic clamping plate can be adjusted according to the sizes of head circumferences of different wearers so as to adapt to different head types, better fitting performance and supporting performance are provided, meanwhile, force can be dispersed when the elastic clamping plate is impacted, and harm to the head is reduced; when the first end and the second end of the adjusting belt are adjusted in place, the fastener passes through the fixing hole and the corresponding adjusting hole and then is in threaded connection and fixation with the threaded hole in a matched mode, it can be guaranteed that the adjusted size is stable and not prone to loosening, and stable protection is provided.

The safety helmet for the elevator operation comprises a safety helmet body, the top of the safety helmet body is connected with a sliding ring through a plurality of connecting rods, and sliding grooves are formed in the upper side and the lower side of the sliding ring respectively. Sliding blocks are installed on the two sides of the inner end face of a sliding sleeve, the outer end face of a sliding ring is sleeved with the sliding sleeve in a sliding mode, and the sliding blocks on the two sides are located in sliding grooves in the two sides in a sliding mode respectively. A plurality of clamping grooves distributed in an annular array mode are formed in the upper sliding groove, and a plurality of abutting assemblies matched with the clamping grooves are installed on the upper sliding block. Comprising a hinge piece, a mounting shell is mounted on the side, away from the sliding sleeve, of the hinge piece, and a camera body is clamped in the mounting shell. According to the utility model, on the premise that the protection performance is guaranteed, the camera body can move along the sliding ring, so that the flexibility and the shooting range of the camera body are improved.

The utility model relates to the technical field of safety helmets. The safety helmet with the good protection performance comprises a safety helmet body, an arc-shaped top buffering body and an arc-shaped side buffering body are arranged on the inner side of the safety helmet body, the top buffering body and the side buffering body are each of a honeycomb structure with the hollow middle, the top buffering body is of a double-layer structure, and the hardness of the double-layer structure of the top buffering body is different. The utility model provides the safety helmet with the good protective property, which is convenient to process and manufacture, ensures the wearing comfort, can effectively improve the higher-standard test of the safety helmet, can more effectively protect the safety of a wearer through a honeycomb structure in the safety helmet, is light in weight and good in air permeability, and can improve the wearing comfort; the technical problems that in the prior art, an existing safety helmet is single in structure, common foam materials cannot meet higher testing requirements, and safety of the safety helmet cannot be further improved are solved.

The utility model discloses an intelligent safety helmet, which belongs to the technical field of protective articles, and comprises a helmet shell and a helmet lining, the helmet lining is arranged in the helmet shell, a neck curtain is arranged at the bottom of the rear side of the helmet shell, the neck curtain is an inflatable neck curtain, a sensing device and an inflating device are arranged between the top of the helmet shell and the helmet lining, and the sensing device can detect the state of a wearer. The induction device can control the inflation device, and the inflation device can inflate the neck curtain. The neck curtain can be stored at the bottom of the rear side of the helmet shell in an uninflated state, and the neck curtain is arranged on the rear side and the two ends of the helmet shell in a surrounding mode in an inflated state. According to the utility model, the sensing device can monitor the angular velocity and the motion state of the head of a wearer in real time, and when an abnormal motion or collision signal is detected, a trigger instruction is sent to the inflation device. In an emergency, the neck curtain is used to rapidly expand, encircle and protect the neck of the wearer.

The invention provides a modular extension device for safety helmes.The modular extension device comprises an extension plate, inserting columns are evenly arranged at the bottom of the extension plate, the whole device is fixed by abutting the inserting columns and the safety helmes.The outer surface of the extension plate is fixedly connected with a first supporting plate, one end of the first supporting plate is connected with a servo motor, and the other end of the first supporting plate is connected with a second supporting plate; first clamping grooves are symmetrically formed in the bottom of the expansion plate, earmuffs are arranged on the first clamping grooves, the earmuffs can be detached, the expansion unit is arranged at the output end of the servo motor, and the front lamp module is arranged at the front end of the expansion plate and used for providing illumination. Afterwards, the front lamp module can provide light, the servo motor can drive the extension unit to rotate, and therefore the extension unit can monitor the surrounding environment.

The application relates to a safety helmet falling detection method, system and computer equipment. A mechanical low-pass filter composed of a static pressure cavity and a ventilation hole is arranged to filter out the interference of high-frequency air flow pulsation on a barometer at a physical level. A real static pressure value is obtained within a preset initial time period after weightlessness detection. After the preset initial time period is exceeded, a control unit adopts a preset data fusion algorithm to perform state estimation based on second acceleration data and the static pressure value. When the posture of the safety helmet suddenly changes and causes air pressure to be disturbed by sudden airflow, the updating weight of the static pressure value in the data fusion algorithm is actively reduced, the prediction result is effectively prevented from diverging, and finally, a relatively accurate falling judgment result is output in combination with a falling classification model, so that it can be distinguished whether a real human body falls or a false fall occurs. Therefore, the falling state classification and early warning with high accuracy can be realized under the extreme working conditions of complex airflow interference and posture mutation.

The utility model provides safety helmet quality detection equipment, and belongs to the technical field of safety helmet performance testing. Comprising a detection table, the middle of the top of the detection table is rotatably connected with a placement seat capable of placing a safety helmet to be detected, the detection table is provided with a fixing mechanism and a detection mechanism, the detection mechanism comprises a fixing block fixedly connected with the top of the detection table, and the fixing block is provided with a second sliding groove. And a second sliding block is slidably connected to the side, away from the containing base, of the fixing block, a first sliding groove is formed in the second sliding block, the top of the second sliding block is sleeved with a first round rod, and the first round rod is slidably connected with the second sliding groove. According to the utility model, through the arrangement of the detection mechanism, impact detection can be carried out on the safety helmet in different directions, the situation that the overall anti-collision performance of the safety helmet cannot be specifically detected through impact in a single direction is avoided, and the detection comprehensiveness and integrity of the safety helmet are ensured.

The utility model discloses a work fixture for safety helmet production, which comprises a safety helmet fixture, the outer surface of the lower end of the safety helmet fixture is connected with a height adjusting support, and the safety helmet fixture comprises a head die, an inner threaded hole, an annular air passing groove, an air valve and an annular rubber ring. The height adjusting support comprises a base, a lower fixing rod, an upper adjusting rod, a first screw rod, a fixing ring, a second screw rod and a storage hole, the inner threaded hole is formed in the middle of the outer surface of the lower end of the head mold, and the head mold is in threaded connection with the outer wall of the first screw rod through the inner threaded hole. According to the tool clamp for safety helmet production, a safety helmet can be conveniently and stably fixed through the safety helmet clamp, assembling and disassembling are convenient, the height of the safety helmet clamp can be conveniently adjusted through the height adjusting support, and applicability is improved.

The utility model provides a full-edge safety helmet integral forming die which comprises an upper forming die and a lower forming die, the lower side face of the upper forming die is a forming concave face, a forming die core is arranged on the lower forming die, an injection molding channel is arranged in the lower forming die and the forming die core, the upper end of the injection molding channel penetrates through the highest point of the forming die core, and the lower end of the injection molding channel penetrates through the highest point of the forming die core. The forming die core is correspondingly arranged below the forming concave surface and is matched with the forming concave surface to form a safety helmet forming cavity, mounting openings I are formed in the two sides, corresponding to the safety helmet forming cavity, of the forming upper die, and side groove forming modules are arranged in the mounting openings I; the side groove forming module is detachably connected with the forming upper mold through a connecting assembly, and the side wall of the side groove forming module is provided with a protruding part used for being matched with the forming mold core so that a side groove of the safety helmet can be formed after injection molding. During injection molding, the lug boss on the side groove molding module is matched with the molding mold core to form the side groove of the safety helmet after injection molding, so that secondary processing is not needed, and the processing efficiency is improved.

The utility model discloses a self-reset tripper and a safety helmet with the same, the self-reset tripper comprises a rotating shaft, an upper pull buckle connected with the rotating shaft through a self-reset elastic member, and a lower pull buckle connected with the rotating shaft through a self-reset elastic member; the lower end of the tripping swinging piece is provided with an end arc-shaped swinging block, the upper end of the tripping swinging piece is fixed on the rotating shaft, and the tripping swinging piece rotates along with the rotation of the rotating shaft and swings back along with the back swinging of the rotating shaft; and the lower pull buckle is lapped on the end part arc-shaped swing block, is separated from the tripping swing piece when the tripping swing piece swings, and is lapped with the end part arc-shaped swing block when the tripping swing piece swings back. The safety helmet comprises a helmet body and a self-resetting release installed on the inner side of the helmet body. The safety helmet belt can be automatically separated after being stressed by a certain force, so that the life safety of workers is greatly protected. The internal structure has a self-resetting function after the cap band of the release is broken under stress, and the broken cap band can be inserted into the lower hole of the release again, so that the cap band can be repeatedly used, is green and environment-friendly, and is a technical innovation on safety helmets.

The environment perception and emergency oxygen supply safety helmet comprises a helmet body, a control processor is integrated in the helmet body, and a network module, a positioning module and a communication module are integrated on the control processor; an environment sensing assembly, an emergency oxygen supply assembly and a warning indicator are arranged on the helmet body. According to the safety helmet, the environment sensing assembly is integrated in the helmet body, the working environment can be actively detected, early warning is given out in advance when hazardous gas leaks, oxygen is insufficient or the environment temperature is abnormal, and the safety protection initiative is greatly improved. The miniature high-pressure oxygen bottle is integrated in the cap body, so that the survival rate is remarkably increased; by means of a built-in network module, a positioning chip and a communication module, real-time environment data, an accurate geographic position and alarm information can be synchronized to a remote monitoring center, and rear-end personnel can grasp on-site conditions globally. Various safety functions (monitoring, alarming, oxygen supply and communication) are integrated in a traditional safety helmet form, and the safety helmet is convenient and practical.