2299 results about "Alarm device" patented technology

The invention discloses a pressure injury risk early warning method and equipment, and relates to the technical field of medical monitoring instruments. The pressure sensor array layout can be self-adaptive to the body shape of a patient, a key osseous process part is covered, no monitoring dead angle is ensured, a temperature compensation mechanism is built in, environmental interference is reduced, the measurement precision is improved, an abnormal pressure threshold value can be dynamically set based on individual medical record data, data verification is performed before early warning is triggered, false alarm is avoided, and the array structure is light, thin and flexible. The mask is comfortable to fit skin, supports long-term wearing and is easy to disinfect and maintain; environment temperature and humidity parameters and pressure data are subjected to fusion analysis, the influence of a high-temperature and high-humidity environment on skin microcirculation can be recognized, the risk of pressure sores can be evaluated in an auxiliary mode, a calibration algorithm is built in a sensor, environment fluctuation interference is reduced, and data reliability is ensured; and the early warning unit comprises sound-light alarm equipment which supports a multi-stage alarm mode and is used for triggering an early warning signal and pushing information when the risk index exceeds a threshold value, so that the early warning timeliness is ensured and the false alarm risk is reduced.

The invention relates to a power cable insulation state real-time monitoring and alarm device, and belongs to the technical field of power equipment state monitoring. Comprising a multi-source sensing unit which is installed at a cable body and a joint; the edge computing terminal is fixed in the cable well or the ring main unit; and the cloud early warning platform receives the processing data and outputs an alarm instruction. According to the invention, multi-parameter deep fusion is realized, four-dimensional monitoring of grounding current, temperature, partial discharge and humidity is initiated for the first time, and limitation of a single parameter is broken through; and an insulation health index IHI is proposed, and the insulation deterioration degree is quantitatively evaluated. According to the method, tan delta and IHI are calculated on site through an edge-cloud collaborative architecture edge terminal, so that the data transmission quantity is reduced; the cloud dynamic threshold value is adjusted, and the alarm accuracy is improved. According to the invention, intelligent early warning mechanism three-level alarm linkage protection equipment is arranged; and the self-calibration function ensures long-term reliability.

The invention discloses an infusion monitoring system, which relates to the technical field of infusion monitoring, and comprises a controller with a display screen, an infusion pump arranged at the top of a main body case and used for regulating and controlling the infusion speed, an infusion tube fixing frame arranged on one side of the main body case, and an alarm device arranged on the surface of the main body case, a physiological parameter acquisition module, a medicine characteristic analysis module, a dynamic dripping speed regulation and control module, a liquid abnormity detection module, an AR interaction control module and an alarm cooperative processing module are arranged in the controller; a physiological parameter acquisition module, a medicine characteristic identification module, a dynamic dripping speed regulation module, a liquid abnormity detection module, an AR interaction control module and an alarm cooperative processing module are integrated. The intelligent and closed-loop infusion monitoring system is constructed, self-adaptive dripping speed adjustment based on the physiological state of the patient and the medicine characteristics is achieved, and the safety of infusion treatment is improved.

The invention belongs to the technical field of foreign matter detection and alarm, and discloses a vehicle-mounted multi-sensor fusion runway FOD detection and alarm device. Comprising a data acquisition module for acquiring radar data, visual data and infrared data, and performing space-time synchronization and coordinate calibration to obtain synchronous data; the feature analysis module is used for analyzing the synchronous data to obtain radar features, visual features and infrared features; the analysis and complementation module is used for detecting the radar features, the visual features and the infrared features to obtain combined features, and performing shielding detection and feature complementation on the combined features to obtain complemented features; constructing an FOD dynamic feature tree; the positioning alarm module is used for analyzing the FOD dynamic feature tree and making an FOD alarm decision according to an alarm triggering condition; according to the method, accurate detection and reliable alarm of the runway FOD are realized, the accuracy, robustness and practicability of FOD detection in a complex scene are remarkably improved, and the runway FOD safety management and control requirements in a vehicle-mounted scene are effectively met.

The invention relates to the technical field of risk early warning, and provides an individual risk dynamic perception early warning platform, which comprises an acquisition module, an analysis module, an early warning module, a control module and an adaptive module, and is characterized in that target individual dynamic characteristic index parameters and environment characteristic parameter information in each time period in a historical period are acquired; and determining an individual risk tendency period based on variance analysis of the dynamic characteristic index factors in the time period. And determining whether the operation of the early warning platform meets the standard or not based on the difference value between the preset environment characteristic representation threshold value in a certain time period and the actual environment characteristic representation value, and further determining the adjustment amplitude of the environment characteristic representation threshold value, or determining to start the alarm device. The problems that in the prior art, single feature perception triggers alarm, individual dynamic feature index differentiation cannot be recognized, and early warning lagging is caused by multi-dimensional analysis of environment feature differentiation, so that early warning precision is low, and efficiency is low are solved.

The invention relates to the technical field of fault alarm, in particular to an intelligent fault alarm device for textile manufacturing. The device comprises a power-on switch and a shell installed on one side of the power-on switch, and the top and the bottom of the shell are fixedly connected with a shooting window and a base respectively. When the electric telescopic rod extends to push the alarm lamp to ascend, the rotating frame fixed to the upper end of the electric telescopic rod drives the four cameras to synchronously ascend and accurately align to the shooting window at the bottom of the shell, and it is ensured that the shooting view is completely exposed to the external environment without structural shielding; meanwhile, an inclined plate connected with the bottom of the alarm lamp moves upwards along with the alarm lamp and becomes a common platform for driving a sound alarm and a power-off mechanism, so that image acquisition and safety response are naturally synchronized in time, and evidence obtaining failure or response lag caused by control delay in a traditional discrete system is avoided; in the rising process of the inclined plate, on one hand, the lifting sleeve and the V-shaped rod push the sealing cover to slide open the local opening of the shell, and a necessary space is created for extension of the loudspeaker.

An electrical connector includes a male electrical plug, a female socket, a housing, and a control system. The male electrical plug, which is supplied with power, is electrically connected to the female socket. The housing contains the male electrical plug, the female socket, and a control system. The control system includes a temperature sensor and a transceiver with the temperature sensor sensing a temperature at a location within the housing and the transceiver transmitting a signal representative of the temperature to an alarm device remotely located from the electrical connector. The electrical connector can include one or more switches that are remotely controllable by the alarm device to interrupt the electrical connection between the male plug and the female socket.

The invention discloses a multi-protocol conversion method, system and device between fire alarm devices and a medium, and belongs to the technical field of communication. The method comprises the following steps: S1, loading a protocol template; s2, establishing communication with a source device; s3, analyzing and converting the original data; s4, writing the data into a database in a standardized manner; s5, standardized data mapping and frame construction; s6, establishing communication with the target; the system part comprises the following modules: a protocol configuration module used for storing and managing template information of all converted protocols; the data acquisition and analysis engine is used for establishing communication with source equipment; the data standardization and database module is used as a data transit hub of the system; the data mapping and packaging engine is used for preparing communication data for target equipment; the data sending engine is used for communicating with target equipment; the problems that in the prior art, protocols between new fire alarm equipment and old fire alarm equipment are not compatible, a flexible conversion mechanism is lacked, and the new fire alarm equipment and the old fire alarm equipment are difficult to uniformly access an Internet of Things platform are solved.

The present invention relates to battery-safety-related fields. Disclosed is a mobile energy storage device battery service life early-warning platform based on battery thermal runaway analysis. The platform comprises: a battery thermal runaway parameter set generation module, which is used for retrieving historical battery thermal runaway logs and generating a battery thermal runaway parameter set; a device battery operation parameter acquisition module, which is used for performing real-time monitoring and acquiring device battery operation parameters; a parameter comparison module, which is used for performing comparison and generating a parameter comparison result; a battery service life early-warning model construction module, which is used for constructing a battery service life early-warning model; an early-warning signal output module, which is used for acquiring battery state parameters and outputting an early-warning signal; and a smart alarm module, which is used for activating an alarm apparatus and connecting to a remote terminal to raise an alarm. The technical problem of the relatively low accuracy of prediction results in existing mobile energy storage device battery service life early-warning is solved, and the technical effects of improving the accuracy and reliability of early warning and providing a strong assurance for the safe operation of mobile energy storage devices are achieved.

The utility model relates to an electric control cabinet intelligent safety alarm device, which comprises an electric control cabinet main body, an ultrasonic ranging module, an alarm module and a communication module, and is characterized in that the ultrasonic ranging module measures the time difference of transmitting and receiving ultrasonic waves to determine the actual distance between an obstacle and the electric control cabinet main body, so that non-contact ranging is realized; the timeliness of alarm triggering is ensured, and accurate measurement can be carried out even in a severe environment full of dust, smog or corrosive substances and the like; the multi-mode alarm module and the ultrasonic ranging module are combined for use, multi-mode alarm is carried out when the ultrasonic ranging module triggers the alarm function, a multi-level verification and confirmation mechanism is realized, the possibility of false alarm is reduced, diversified alarm signals are provided, and the alarm can be carried out even in a noisy or poor-sight environment. Normal receiving of alarm information can also be ensured; by means of the communication module, the intelligent safety alarm device of the electric control cabinet has remote monitoring and management functions, and the quick response capability is remarkably enhanced.

The invention discloses a geotechnical slope geological disaster analysis and alarm device and method, and relates to the technical field of geological disaster alarm, and the device comprises a multi-physics field fusion sensor array, a data transmission module, a data analysis and processing module and an alarm module. Multi-dimensional parameters such as stress, strain, temperature and humidity are synchronously collected through a multi-physics field fusion sensor array, a single sensor information island is broken, collaborative association of multi-dimensional data is achieved, comprehensive original data support is provided for slope state analysis, an improved deep learning algorithm which introduces a space attention mechanism is utilized, and the analysis accuracy of the slope state is improved. A dynamic incidence matrix of different position parameters is constructed, the mutual influence of each area of the slope is accurately captured, the trend prediction accuracy and the potential disaster area identification efficiency are greatly improved, an alarm module comprising multiple levels of alarm units and a linkage mechanism is designed, acousto-optic frequencies and emergency measures are matched according to danger levels, and the safety of the slope is improved. And the monitoring integrity, the early warning accuracy and the emergency response efficiency are comprehensively improved.

The utility model discloses a power battery pack anti-collision box body device with thermal runaway protection. The power battery pack anti-collision box body device comprises a box body for placing a power battery module (8), a front-back buffer structure (1), a passive anti-collision plate, a thermal runaway control device (3), a displacement damping plate (4), a partition plate (5), a cover plate (9), a built-in liquid cooling plate (6) and a phase change material plate (7). According to the device, the design of a front-back buffer structure, a passive anti-collision plate and a displacement damping plate is adopted, so that side edge protection and bottom edge protection measures are provided for the power battery module; according to the utility model, the design of the thermal runaway control device is adopted, so that thermal runaway control is provided for the power battery module; when the vehicle is in use, a refrigerant and a deoxidant in the execution module are triggered to operate together, batteries in the subareas are rapidly refrigerated and rapidly extinguished, a one-way pressure release valve is opened to discharge high-temperature and high-pressure gas, and a vehicle alarm device is started to remind people in the vehicle and around the vehicle to get away immediately, so that the life and property safety of people is protected, and an important role is played.

The invention relates to an underground electronic fence dynamic adjustment method based on multi-source perception, and belongs to the technical field of underground alarm devices. Comprising the following steps: generating an image data stream of a target area based on positioning data and image data acquired by a plurality of UWB base stations and an infrared thermal imager; identifying the obstacle category of each obstacle in the target area, determining the three-dimensional coordinates of each obstacle at a plurality of sampling moments, and generating a three-dimensional coordinate set of each obstacle; predicting the invasion state of each obstacle to the basic electronic fence according to the three-dimensional coordinate set, and generating a geometric description of a predicted invasion area; obtaining a fence operation instruction of each target obstacle, and generating a fence operation instruction queue; and sequentially executing the fence operation instruction queue to adjust the basic electronic fence into a new electronic fence, and performing dynamic adjustment. According to the invention, dynamic adaptation of the protection range of the electronic fence is realized.

The invention relates to the technical field of vault security and protection systems, in particular to an automatic vault door protection system which comprises a door frame, a door body, an observation assembly, a self-locking assembly, a protection assembly and an alarm device. The self-locking assembly automatically locks the door body and the door frame in a multi-point mode when detecting abnormity. The protection assembly acts synchronously to physically isolate the coded lock and the operation area; according to the invention, the upgrading from passive mechanical protection to intelligent active protection is realized, the integrated functions of abnormal recognition, automatic locking, dynamic protection and remote alarm are realized, and the safety and emergency response capability of the vault door are remarkably improved.

The invention discloses a multi-source data fire-fighting facility risk level assessment and early warning decision-making method, and particularly relates to the technical field of intelligent fire-fighting alarm devices and public safety, and the method comprises the steps: S1, collecting the state of a fire-fighting facility and environment dynamic data in real time, S2, calculating the static health degree index of the facility through an uncertainty reasoning model and a topological relation, and S3, calculating the risk level of the fire-fighting facility according to the static health degree index. The method comprises the steps of S1, generating an environment dynamic risk degree index through an adaptive evaluation model, S4, fusing the two indexes through a nonlinear coupling function to generate a comprehensive risk level and a visual map, and S5, matching, verifying and deducing a recommendation decision scheme with a utility score based on risk information. And a grading early warning signal is generated so as to drive a corresponding alarm device to execute early warning. According to the method, the defects of static facility assessment and dynamic environment risk separation are overcome, accurate risk quantification and prospective early warning are realized, and the intelligent level and execution reliability of alarm response are remarkably improved through an alarm decision closed loop and a self-optimization mechanism.

The invention discloses a gas meter leakage alarm device and method, and relates to the technical field of gas meter leakage alarm, the gas meter leakage alarm device comprises a base mechanism, the base mechanism is internally provided with a substrate mechanism used for preventing performance reduction caused by poisoning of a leakage alarm; the bottom of the substrate mechanism is provided with a rotary vane mechanism used for extracting surrounding air for gas detection. The base mechanism is installed at the top of a possible gas leakage area, surrounding air is actively extracted, stable airflow is formed and enters the equipment, the airflow is guided by the inner rotary vane assembly to enter the area of the net wadding assembly, large-particle impurities are effectively filtered through the assembly, internal elements are protected, and the safety of the equipment is improved. And through the linkage design of the inner rotary vane assembly and the rotary assembly, the dynamic change of the air inlet direction and the periodic scanning of the detection airflow path are realized, a multi-point and wide-area coverage sampling mode is formed, the detection range is expanded, and the risk of missing detection caused by local airflow dead angles is avoided.

The invention relates to the technical field of mud liquid level monitoring, and discloses a drilling mud liquid level monitoring and alarming device which comprises a drilling mud pool, the drilling mud pool is used for an oil and gas field drilling fluid circulating system, the drilling mud pool receives and deposits drilling fluid returned from a wellhead, and the drilling fluid is recycled by a mud pump after being treated; the monitoring module comprises a bearing frame, a liquid level monitoring assembly, a fluctuation response assembly and a cleaning control assembly; and the cleaning control assembly is associated with the fluctuation response assembly and the liquid level monitoring assembly and is configured to drive the cleaning control assembly to work so as to clean the surface of the receiving end of the photoelectric liquid level sensor when the fluctuation response assembly acts in response to fluctuation. Through the fluctuation response assembly and the cleaning control assembly, automatic cleaning of the liquid level monitoring assembly is achieved, and the problem that monitoring data are inaccurate or even invalid due to the fact that a traditional sensor is prone to contamination in a severe mud environment is effectively solved.

The invention relates to an intelligent warning pile for preventing external damage of a power transmission line and a monitoring method. The intelligent warning pile comprises a warning pile body, an intelligent control mainboard, a communication module, visual monitoring equipment, sensing equipment and warning equipment, the sensing equipment comprises an infrared sensor and a vibration sensor and continuously works when the warning pile is in a monitoring state; the intelligent control mainboard is awakened according to a monitoring signal of the sensor; the visual monitoring equipment is used for capturing and identifying images; the intelligent control mainboard is further configured to control the alarm device to give an alarm and / or control the communication module to send an alarm signal only when it is judged that the ground breaking construction behavior exists according to the recognition result of the visual monitoring device. According to the invention, through a cooperative control mechanism of sensor normally-open, mainboard dormancy, accurate wakeup and visual review, the alarm accuracy is greatly improved while long-term reliable duty under extremely low power consumption is realized, so that an efficient, economic and maintenance-free intelligent protection solution is provided for the power transmission line.

The application provides a photoetching machine liquid leakage alarm system, which comprises a liquid leakage controller, a liquid leakage detection line arranged around a base of the photoetching machine and a liquid leakage alarm device. The liquid leakage detection line is arranged around the base below a main body of the photoetching machine, the liquid leakage alarm device is arranged at a side of a display screen of an operation table of the photoetching machine, the liquid leakage alarm device is connected with a telephone alarm system, a liquid leakage collecting device is arranged below the liquid leakage detection line, and after liquid leakage occurs in a core moving part of the photoetching machine, timely alarm and telephone notification of the on-duty personnel can be realized, and meanwhile, the liquid leakage can flow into a drainage pipeline through the liquid leakage collecting device, so that harm is avoided.

The utility model relates to an overspeed switch testing device, and belongs to the technical field of testing equipment. According to the technical scheme, a frame (1) comprises an upper layer and a lower layer, a motor (4) is installed on the lower layer of the frame (1), a frequency converter (2) and an alarm device box (3) are installed on the upper layer of the frame (1), an overspeed switch (6) is fixedly connected with the output end of the motor (4) through a coupler (5), the input end of the motor (4) is connected with the frequency converter (2), and the overspeed switch (6) is connected with the alarm device box (3). The beneficial effects of the utility model are that the frequency converter is adjusted to control the rotating speed of the motor to reach an overspeed switch limit value so as to determine the overspeed switch performance, thereby effectively satisfying the inspection test requirements of the equipment safety protection device, providing effective technical support for equipment safety protection and equipment fault prevention, ensuring the complete protection function, and improving the reliability. Therefore, the equipment fault risk is reduced.

To provide a cable theft detecting system that realizes a function to detect a theft of a cable earlier and output an alarm at a low cost.SOLUTION: A cable theft detecting system 1 comprises: a cable 10 (10a, 10b) that transfers direct-current power; a crime prevention line 20 that is placed parallel to the cable 10 (10a, 10b); and an alarm device 30 connected to one end and the other end of the crime prevention line 20, which steadily supplies current from one end of the crime prevention line 20 to the other end, and which outputs an alarm signal to a remote report device 40 if no current is output from the other end of the crime prevention line 20.SELECTED DRAWING: Figure 1

The utility model relates to the field of liquid medicine sedimentation equipment, and discloses a liquid medicine leakage prevention alarm device which comprises a detection loop, the detection loop comprises a switching power supply, an alarm unit and a sensing switch, and the positive electrode or the negative electrode of the switching power supply is connected with the alarm unit and the sensing switch in sequence through wires and then connected with the negative electrode or the positive electrode of the switching power supply through a wire. The sensing switch is arranged corresponding to a turntable of the ball valve, a sensing pointer is fixedly arranged at the upper end of the turntable, the ball valve is mounted at a discharge hole of the settling tank, the sensing pointer rotates along with the rotation of the turntable, the sensing switch comprises a U-shaped groove, and when the sensing pointer is positioned in the U-shaped groove, the sensing switch is switched off, and the alarm unit loses power and stops working. When the sensing pointer is not located in the U-shaped groove, the sensing switch is closed, and the alarm unit is electrified to start working. According to the utility model, the problem of low production efficiency caused by manual inspection required by the existing leakage detection of the settling tank is solved.

The invention belongs to the technical field of fire alarm, and particularly discloses a building fire alarm device which comprises a wall body and an outer frame installed on the front side face of the wall body, a smoke sensor is fixed to the bottom face of the outer frame, and a vibration loudspeaker is installed in the outer frame. The bottom end of the drainage pipe corresponds to the bottom of the dispersion frame, the elastic force of the elastic piece pushes the inner ring to move downwards on the surface of the drainage pipe, the downward movement of the inner ring enables the through hole to leak out, and at the moment, the interior of the drainage pipe communicates with the drainage frame through the through hole, and a liquid fire-fighting medium in the water tank enters the inner side of the drainage frame through the water inlet pipe; a liquid fire-fighting medium in the drainage frame enters the drainage pipe through the through hole, the liquid fire-fighting medium falls on the top surface of the dispersing frame through the drainage pipe, the vibrating dispersing frame disperses and sprays the liquid fire-fighting medium through the multiple leakage holes, fire extinguishing around the outer frame is facilitated, and the vibrating horn can continuously work to give an alarm in the fire disaster process; and people can be conveniently notified to evacuate.

The invention relates to a device and method for detecting the liquid level height of melt in a copper pyrometallurgy slag ladle, and belongs to the technical field of metallurgy, the device comprises a plurality of infrared cameras in one-to-one correspondence with tank bodies, and further comprises an infrared control box and an upper computer, and the upper computer is externally connected with a dust removal system; the infrared cameras are arranged above the tank bodies and used for collecting infrared images of the tank bodies, all the infrared cameras are electrically connected with the infrared control box, the infrared control box is electrically connected with the upper computer, and the upper computer is electrically connected with a plurality of sound-light alarm devices which are in one-to-one correspondence with the tank bodies and used for alarming the liquid level heights in the tank bodies. The front end of the tank body is provided with an anti-shielding detection device used for detecting whether a transport vehicle passes by or not, and when the anti-shielding detection device detects that the transport vehicle passes by, the upper computer controls the dust removal system to be started. According to the invention, cinder ladle discharge monitoring can be realized, the safety risk of equipment and personnel is reduced, and the cinder ladle alternation efficiency is improved.

The utility model discloses a cotton feeding roller gear fracture alarm device which comprises a cotton feeding roller body and a laser detector, a supporting shaft is arranged in the cotton feeding roller body, a detection shaft is arranged at one end of the supporting shaft, a fixing mechanism is arranged between the detection shaft and the supporting shaft, a fixing seat is arranged above the cotton feeding roller body, and a gear is arranged on the fixing seat. The utility model relates to the technical field of fine opening equipment, in a normal state, the laser detector can receive long and short signals which uniformly and alternately appear, and when cotton fibers or impurities are clamped into the gear on the supporting shaft to influence the operation of the gear, the laser detector is driven to rotate, and the gear is driven to rotate. And long and short alternating signals are not uniform, so that cotton fibers or impurities need to be cleaned in time.

The utility model discloses a protective pressure gauge, which relates to the technical field of pressure gauges, and comprises a protective shell and a pressure gauge main body, the inner side of the protective shell is provided with a protective assembly, the inner side of the protective shell is fixedly connected with a protective air bag, and an exhaust hole is arranged between the protective shell and the protective air bag. The top of the protective shell is fixedly connected with an alarm device, the side face of the pressure reduction cylinder is provided with an anti-corrosion shell, and the coil rotor is electrically connected with the alarm device. Through the arranged pressure relief assembly, quick pressure relief can be conducted at the position of the pressure gauge, the pressure gauge is effectively prevented from being damaged due to overpressure, and the protective air bag is inflated in the pressure relief process; the protection air bag is tightly attached to the pressure gauge, if explosion occurs, the protection shell and the protection air bag can play a buffering role, meanwhile, gas drives the coil rotor to rotate to cut magnetic induction lines to generate induction current, the alarm device is triggered to give an alarm, various safety protections are adopted, and the safety and reliability of the pressure gauge are greatly improved.

The present application relates to the technical field of freight ropeway monitoring, and relates to a freight ropeway monitoring system and method. The system comprises a freight running monitoring component configured to collect and upload load data and transport speed data of transported freight; a personnel detection component configured to detect human body sensing data; a video monitoring component configured to collect running image data of the freight ropeway; a near field communication link component comprising a plurality of near field relay communication base stations and a plurality of relay communication components arranged at different gantries of the freight ropeway; a local end processor component, an alarm device and a remote server. The present application can monitor whether there is overload and whether there is personnel irregular boarding during the running of the freight ropeway.

The application discloses a generator set alarm device and a generator set alarm method, and relates to the technical field of alarm devices.The technical scheme points of the application are as follows: the device comprises a rotating speed monitoring device for detecting the state of a rotating shaft of a generator set, a vibration monitoring device for detecting the vibration generated when the rotating shaft rotates, and a processor top-end fixedly connected with a first indicator lamp.The rotating speed monitoring device comprises a monitoring shell, and a rotating device arranged in the middle of the monitoring shell and used for being connected with the rotating shaft and outputting the state of the rotating shaft.The vibration monitoring device comprises a shell, and four damping telescopic rods arranged in a rectangular array at the bottom of the inner side wall of the shell, and four first springs respectively sleeved on the side walls of the damping telescopic rods.The effect is that the real-time state of the rotating shaft of the generator set can be directly and intuitively observed according to the real-time change of the first indicator lamp, and different emergent states can be better coped with.The vibration state of the main shaft can be better observed through the rotating device, and the detection accuracy is effectively improved.

The utility model relates to the technical field of warning lamps, and discloses an LED warning lamp with an acousto-optic synchronous warning function, which comprises an outer sleeve, an LED circuit board is mounted at the upper end of the outer sleeve in a sleeving manner, a propagation hole is formed outside the outer sleeve, a bottom plate is mounted at the lower end of the outer sleeve in a matched manner, and a vertical column is fixedly connected to the middle of the bottom plate. The stand column is sleeved with a rotating seat, and the middle of the rotating seat is fixedly connected with a sound wave conduction sleeve. According to the LED warning lamp with the acousto-optic synchronous warning function, a motor is started, the motor drives a rotating seat to rotate, the rotating seat drives a sound wave conduction sleeve to rotate on the inner side of an outer sleeve, namely, after a scraper blade gives an alarm, the alarm can be conducted in different directions, and the warning effect of a sound wave warning device is improved; the sound wave conduction sleeve drives the scraping plate to scrape the inner side of the outer sleeve, and then the cleanliness of the interior of the outer sleeve is improved in the process that the scraping plate is driven to give an alarm.

The utility model relates to strong light warning technical field, and disclose a kind of strong light warning wireless alarm device, including positioning shell and the warning light of installation in the top of positioning shell, further include: the sliding slot of being opened in the both sides of positioning shell, the inner chamber of positioning shell is provided with loudspeaker, the both sides of positioning shell are fixedly connected with fixed shell, the inner chamber of fixed shell is provided with quick release spare for facilitating loudspeaker to be removed, quick release spare includes pull rod and first clamping plate, the inner chamber of fixed shell is slidably inserted in the surface of pull rod, and one side of pull rod is fixedly connected with first clamping plate. Through the setting of quick release spare, first clamping plate can be separated from the surface of second clamping plate by the pulling of pull rod, so that the engagement state of both is released, after releasing, loudspeaker is pulled out from the inner chamber of positioning shell, simultaneously drives second clamping plate to be limited and pulled out in the inner chamber of sliding slot, at this moment, loudspeaker is in detachable state, so that the removal operation of loudspeaker needing maintenance can be realized.