31results about "Fire alarm mechanical actuation" patented technology

The invention discloses an Internet of Things sensing command and dispatch intelligent method and system based on a multi-modal large model, which deeply fuses multi-terminal field information, combines with a dynamically updated expert knowledge base, realizes high-precision alarm level judgment and processing suggestion generation, and realizes high-precision alarm level judgment and processing suggestion generation through a multi-agent collaboration method. According to the method, a complex command and dispatch task is decomposed into a series of executable subtasks, the subtasks are executed in a division-of-labor cooperation mode according to a professional agent, the execution conditions of the subtasks are output, and in the execution process of the subtasks, through a quality detection system including logic verification, fact verification, compliance examination and effect evaluation, the execution efficiency of the subtasks is improved. The method comprises the steps that task execution is completed, reliability, authenticity and legality of task execution are ensured, after task execution is completed, sub-task execution results are integrated, an execution log and a comprehensive report are generated, a task execution plan is dynamically adjusted by means of real-time environment perception and a user feedback mechanism, and an optimization scheme is stored in a historical case knowledge base; and continuous learning ability and experience accumulation are realized.

The mining lithium battery protection device comprises a battery box body, a fire extinguishing trigger mechanism, a fire extinguishing assembly and an acoustic early warning unit, the interior of the battery box body is divided into a battery cabin and an auxiliary cabin which are distributed up and down through a sealing partition plate, the interior of the battery cabin is used for containing a lithium battery pack, and the fire extinguishing trigger mechanism comprises a communicating pipeline and a valve; the fire extinguishing assembly comprises a fire extinguishing agent container, the output end of the fire extinguishing agent container is located on one side of the lithium battery pack, and the valve is used for controlling the output end of the fire extinguishing agent container to be opened and closed. The acoustic early warning unit comprises a brass whistle, the air inlet end of the brass whistle is communicated with the auxiliary cabin, and the sound outlet of the brass whistle is located outside the battery box body. A mechanical fire extinguishing and early warning triggering mechanism is adopted, electric power work is not depended, the structure is simple and stable, and the early warning and fire extinguishing actions are prevented from being influenced by factors such as power failure and electronic element damage.

The application discloses a comprehensive linkage alarm system for fire hazards and structure instability of timber buildings, and relates to the technical field of timber safety monitoring, which comprises the following modules: a multi-dimensional heterogeneous signal acquisition module for collecting data and constructing real-time state monitoring data sets; a structure spectrum benchmark modeling module for constructing a thermal-rigidity attenuation theoretical model; a thermal-frequency correlation analysis module for generating a thermal-frequency deviation degree index; a structure state determination module for identifying timber pyrolysis states and structure instability risks; a cascade response module for executing corresponding fixed-point spraying control, evacuation path planning and alarm output; and a self-adaptive feedback correction module for warehousing data and correcting thermal aging parameters. The application establishes a correlation model of thermal and rigidity by fusing thermal imaging and vibration data, effectively eliminates environmental wind load noise, realizes accurate identification of internal hazards of timber buildings, and improves the accuracy of building monitoring and the efficiency of emergency response.

Single use and replaceable self-powered aircraft compartment thermal indicators that deliver a localized visually detectable signal that can be perceived by personnel at the exterior of an aircraft component and that can be activated on demand to signal the presence of a temperature within an aircraft compartment that exceeds a threshold temperature and that can be tested in situ, and methods of use are disclosed.

The present invention belongs to the technical field of fire detection and alarm technology, and specifically relates to a mechanical differential temperature fire detection device. The detection device includes a housing provided with a bellows, with a bellows base and a bellows cover encapsulated at both ends of the bellows. The bellows, the bellows base, and the bellows cover cooperate to form a closed inner cavity. The bellows base is fixed to the housing, and the bellows cover is slidably assembled in the housing. The bellows has a tube wall that enables internal and external heat exchange, and the housing is provided with a communication channel that communicates with the outside of the bellows. The detection device also includes a pull member for stretching the bellows, the pull member being provided on the bellows cover and having a fusible section that disconnects when the temperature reaches a melting point, causing the bellows to contract. The bellows base is provided with an air outlet for connecting to a pressure element. When the rate of increase of the ambient temperature exceeds a set threshold and / or the ambient temperature exceeds the melting point, gas in the inner cavity is ejected from the air outlet to trigger the pressure element.

The utility model relates to the technical field of engineering machinery, and provides a mechanical remote positioning driving device and an excavator, and remote communication between an excavator main body and a remote control end is realized by utilizing signal interaction of a first communication module and a second communication module; a mechanical remote positioning mechanism composed of a sensing positioning module, an environment sensing module, a first communication module and a central control module is arranged on an excavator main body, and the sensing positioning module and the environment sensing module are combined with the posture change and the environment change of the excavator main body, so that the field depth information of a field video is effectively supplemented, the requirements of accessory positioning and drop point indication are met, and the safety of the excavator is improved. The problem of inaccurate positioning caused by algorithms, environments and the like is solved, and the remote control operation efficiency of engineering mechanical equipment is improved.

The present invention relates to the technical field of power distribution cabinets, specifically to a device for identifying overheating faults in high-voltage power distribution cabinets, comprising a power distribution cabinet body, a door panel hinged on the left side of the front end face of the power distribution cabinet body, an electrical device fixedly mounted on the inner lower end face of the power distribution cabinet body, a partition provided on the upper side of the electrical device, the partition being fixedly connected to the power distribution cabinet body, a trigger mechanism 1 provided on the left side of the upper end face of the partition, a trigger mechanism 2 provided on the right side of the trigger mechanism, a fire extinguishing mechanism provided on the front side of the trigger mechanism 1, a power-off mechanism provided on the right side of the electrical device, the trigger mechanism 1 triggering a fire alarm, and triggering the trigger mechanism 2, the power-off mechanism and the fire extinguishing mechanism. The present invention provides a trigger mechanism 1 and a fire extinguishing mechanism, and when the electrical device catches fire, the trigger mechanism 1 will be triggered, thereby causing the alarm to operate and sound an alarm, and at the same time, the fire extinguishing mechanism will be triggered to spray dry powder and carbon dioxide to extinguish the fire of the electrical device.

In various embodiments, the present disclosure relates to robot systems configured to operate on a cell tower to inspect, install, reconfigure, and repair cellular equipment. The present disclosure provides a robot for performing audit tasks of cell towers. The robot includes a body portion configured to hold various electronic components of the robot including monitoring equipment disposed thereon, one or more arms extending from the body portion adapted to manipulate components of a cell tower and to facilitate movement of the robot on the cell tower, embedded systems for flight, and wireless interfaces adapted to allow wireless control of the robot. The robot is configured to be controlled by one of a user in a remote location, a user at the cell tower site, and autonomously via direct programing.

The invention discloses a safety protection type power distribution cabinet, relates to the technical field of power distribution cabinets, and provides the following scheme that the safety protection type power distribution cabinet comprises a cabinet body, a fan moving up and down is connected to one side in the cabinet body, a sliding cylinder is installed on one side in the cabinet body, a piston block is slidably connected to the interior of the sliding cylinder, and a communicated whistle is installed on the side wall of the bottom of the sliding cylinder; a plurality of guide wheels are installed on the fixed frame, a pull rope is wound on the guide wheels, a sliding plate moving up and down is connected to the cabinet body, a fire extinguishing tank is installed on the sliding plate, and a first memory spring and a second memory spring are connected to the cross rod; the fan is driven to move up and down, blowing to a high-temperature area is facilitated, high temperature is transmitted to the first memory spring in the area, the abutting block extends out, the sliding plate impacts the extending abutting block, so that a sound is made, when a fire occurs, the second memory spring pushes the push block to limit movement of the sliding plate, the sliding plate is aligned with an ignition point, and when the fire occurs, the pull rope is burnt out; and the piston block moves downwards to blow to the whistle.

Single use and replaceable self-powered aircraft compartment thermal indicators that deliver a localized visually detectable signal that can be perceived by personnel at the exterior of an aircraft component and that can be activated on demand to signal the presence of a temperature within an aircraft compartment that exceeds a threshold temperature and that can be tested in situ, and methods of use are disclosed.

In various embodiments, the present disclosure relates to robot systems configured to operate on a cell tower to inspect, install, reconfigure, and repair cellular equipment. The present disclosure provides a robot for performing audit tasks of cell towers. The robot includes a body portion configured to hold various electronic components of the robot including monitoring equipment disposed thereon, one or more arms extending from the body portion adapted to manipulate components of a cell tower and to facilitate movement of the robot on the cell tower, one or more winches, and wireless interfaces adapted to allow wireless control of the robot. The robot is configured to be controlled by one of a user in a remote location, a user at the cell tower site, and autonomously via direct programing.

The present invention relates to a connector and a solar power generation device including the same, characterized in that it includes a first terminal portion, a second terminal portion arranged spaced apart from the first terminal portion, and a safety cut-off portion provided between the first terminal portion and the second terminal portion, which operates in response to a temperature change to cut off the electrical connection between the first terminal portion and the second terminal portion.

The invention relates to the technical field of ship ventilation, in particular to a gravity balance air brake for ship ventilation, which comprises a mounting seat, four mounting holes are symmetrically formed in the upper surface of the mounting seat, an air bellow is fixedly connected to the inner wall of the mounting seat, and a plurality of same short columns are symmetrically arranged on the front and rear side walls of the air bellow. According to the air brake, the opening and closing adjusting device is arranged, under the condition that wind power is normal, the tension of the opening and closing spring and the gravity of the opening and closing air plates and the gravity of the balancing weight reach a balanced state, the air brake is in a completely-opened state, and under the condition that the wind power is increased, the opening and closing adjusting device can be used for adjusting the opening and closing of the air brake. The bottom of the opening and closing air plate is driven to be lifted upwards through the adjusting air plate, the L-shaped rod and the closing column, the opening degree of the air brake is reduced, and then the air inlet amount can be reduced, so that the ventilation stability in a cabin is guaranteed, the comfort in the cabin is improved, and a more livable and suitable working environment is provided for workers on a ship.

The application discloses a kind of ship communication control method, device, equipment, medium and product.The method comprises: before the communication link of ship end and shore end is established, the digital certificate of ship end and shore end is verified, and identity authentication is carried out, after digital certificate verification passes and identity authentication passes, the communication link between ship end and shore end is established;After the communication link of ship end and shore end is established, temporary session key is generated, and temporary session key is divided into multiple key fragments, each key fragment is stored in multiple blockchain nodes;During the message transmission process of ship end and shore end through communication link, control ship end and shore end respectively obtain key fragment from blockchain node, recombine and restore to obtain temporary session key, and transmit after the transmission message is encrypted based on temporary session key.The technical scheme of the application can reduce the risk of eavesdropping, tampering and camouflage attack faced by remote control data in the transmission process of ship communication.

The present application relates to the technical field of ship ventilation, and particularly relates to a gravity balance air brake for ship ventilation, which comprises a mounting seat, four mounting holes are symmetrically arranged on the upper surface of the mounting seat, an air bellow is fixedly connected to the inner wall of the mounting seat, a plurality of identical short columns are symmetrically arranged on the front and rear walls of the air bellow, and one opening and closing air plate is fixedly connected between each pair of symmetrically arranged short columns, wherein the opening and closing adjusting device is arranged, the tension of the opening and closing spring and the gravity of the opening and closing air plate and the counterweight reach a balanced state under normal wind force, so that the air brake is in a completely open state, and when the wind force increases, the opening and closing air plate bottom is lifted upward by adjusting the air plate, the L-shaped rod and the closing column, the opening degree of the air brake is reduced, the air inlet amount is reduced, the stability of the ventilation in the ship cabin is ensured, the comfort in the ship cabin is increased, and a more livable and suitable working environment is provided for the staff on the ship.

The invention relates to the technical field of fire early warning of flame-retardant crawler belts, in particular to a fire early warning device of a flame-retardant crawler belt, which comprises a machine body, a plurality of collecting rollers are fixedly connected to the back wall of the machine body, and a plurality of optical fibers are fixedly connected to the back wall of the machine body; positioning mechanisms are arranged on the collecting rollers, each positioning mechanism comprises a lifting ring, an inflator pump and a positioning magnet, a supporting plate is fixedly connected to the top end of each inflator pump, a round rod is fixedly connected to the top end of each supporting plate, and an abutting ball is fixedly connected to the top end of each round rod; the optical fiber winding device has the advantages that loosening, collapsing and disordered arrangement of optical fibers are effectively avoided, a regular winding state is kept, excessive bending of the optical fibers caused by loosening is reduced, mutual friction and displacement of the optical fibers caused by external vibration are avoided, and the optical fibers can be effectively wound through the flexible buffering effect of the air bag. Direct impact force of external collision and extrusion on the optical fiber is offset, and abrasion of an optical fiber sheath and damage to an internal fiber core are reduced.

The utility model relates to the technical field of smoke alarm, specifically relates to a kind of quick wiring smoke alarm, including upper shell and lower shell, smoke alarm module is equipped between the two, and smoke alarm module includes circuit board, smoke sensor, buzzer and quick wiring device, quick wiring device includes terminal block, wiring terminal module and gland, multiple wiring terminal module are sequentially spaced in terminal block, wiring terminal module includes terminal block and the wire clamping spring in terminal block, the one end of wire clamping spring is formed with wire clamping site, two wire clamping sites are equipped with the force receiving site for receiving external pressing force between them;Wire clamping spring is also equipped with tear site, tear site is located in the middle of force receiving site, to separate force receiving site into two parts, simultaneously, two wire clamping sites are separated. Since two wire clamping sites are separated by tear site, two wire clamping sites can respectively produce adaptive deformation according to the thickness of connected wire, so that two wire clamping sites can simultaneously clamp different thickness of wire.

Disclosed are a fire detection apparatus and an operating method thereof. The present invention relates to a fire detection apparatus and an operating method thereof, which can detect a fire which occurs in an indoor space by using multiple sensors such as a temperature sensor and a smoke sensor.

The invention discloses a comprehensive linkage alarm system for wood structure building fire hazard and structure instability, and relates to the technical field of wood structure safety monitoring, and the system comprises a multi-dimensional heterogeneous signal collection module which collects data and constructs a real-time state monitoring data set; the structure frequency spectrum benchmark modeling module is used for constructing a heat-rigidity attenuation theoretical model; the heat-frequency correlation analysis module is used for generating a heat-frequency deviation index; the structure state judgment module is used for recognizing the wood pyrolysis state and the structure instability risk; the cascade linkage response module is used for executing corresponding fixed-point spraying control, evacuation path planning and alarm output; and the self-adaptive feedback correction module is used for storing the data and correcting the thermosensitive aging parameters. By fusing thermal imaging and vibration data, a correlation model of heat and rigidity is established, environmental wind load noise is effectively eliminated, the internal hidden danger of the wood structure building is accurately identified, and the accuracy of building monitoring and the emergency response efficiency are also improved.

The utility model discloses an explosion-proof fire-fighting alarm, which comprises a shell, an end cover fixed on the shell and a panel fixed on the end cover, a rotatable trigger plate is arranged on one side of the end cover, the panel is provided with a window for a user to press the trigger plate, and the end cover and the panel are fixed on the shell. A rotatable locking block is arranged on the other side of the end cover, the locking block is provided with an inclined guide face and located below one side of the trigger plate, the locking block is provided with an abutting portion and arranged below the guide face, and the end cover is provided with a blocking portion, abuts against the locking block and is used for preventing the locking block from rotating in the direction of the trigger plate. The end cover is provided with a first spring and applies upward force to the locking block. When the trigger plate is reset, only downward pressure needs to be applied to the reset button to enable the abutting portion to leave the upper portion of the trigger plate, the trigger plate can be reset through the second spring, keys do not need to be found and distinguished, the reset speed of the trigger plate is increased, and the product has the advantage of being convenient to reset.

The disclosure relates to a connector and a solar power generation device including the connector, the connector characterized by including a first terminal portion, a second terminal portion spaced apart from the first terminal portion, and a safety cutoff portion provided between the first terminal portion and the second terminal portion, the safety cutoff portion operated according to temperature changes to interrupt an electrical connection between the first terminal portion and the second terminal portion.

The invention relates to an aircraft cabin overheating indicator, system and method. A disposable and replaceable self-powered aircraft cabin thermal indicator that delivers a local visually detectable signal that can be perceived by a person external to an aircraft component, and a method of using the same are disclosed. And can be enabled as needed to signal the presence of a temperature in the aircraft cabin exceeding a threshold temperature, and can be tested in situ.

The invention relates to the technical field of fire extinguishing, in particular to a fire extinguishing device based on fire safety protection and a method thereof.The fire extinguishing device comprises a protection box, and three dry powder fire extinguishing devices and three carbon dioxide fire extinguishing devices are arranged in an inner cavity of the protection box and distributed at equal intervals; the dry powder extinguishing device is arranged on the left side of the carbon dioxide extinguishing device; the dry powder fire extinguishing device and the carbon dioxide fire extinguishing device are arranged to provide effective fire extinguishing means for different types of fire disasters, the protection door is automatically controlled to be opened by means of mercury, the protection door is opened in a manual mode, and an alarm device is triggered in the process, so that the fire extinguishing effect is improved. The fire extinguishing device is controlled to work through temperature in the fire fighting operation process, so that spraying of dry powder or a carbon dioxide fire extinguishing agent is flexibly regulated and controlled, pertinence and effectiveness of fire extinguishing are improved, meanwhile, a manual control mode is additionally arranged, and when fire fighting work is carried out, a cooling spray pipe is arranged to provide auxiliary cooling for firefighters.

Wall housing (2) for a manual call point, in particular a manual fire call point, which has its own call point housing (33) and can be installed in a moisture-protected interior of the wall housing (2), with a base (3) which forms the back of the wall housing (2) and can be attached to a wall, with a front panel (4) attached to the front of the wall housing (2) on the base (3), which is designed like a frame around a recess, and with a surface element held in its edge areas on the front plate (4), which covers the recess, wherein the base (3) and the front panel (4) and the surface element are arranged together around the interior space protected from moisture, wherein the surface element is a membrane (5) which can be manually pressed into the interior and pressed against the manual call point (15) to actuate the manual call point (15) when the manual call point (15) is installed in the interior of the wall housing (2), wherein the substructure (3) has internal spacers and wherein the wall housing (2) has a mounting plate (24) mounted on the inner spacers and thereby fastened to the substructure (3) and arranged in the interior of the wall housing (2), to which mounting plate, for installing the manual call point (15) in the interior of the wall housing (2), the manual call point (15) can be mounted by means of screw connections, for which either the mounting plate (24) has holes or holes can be made in the mounting plate (24).

The present disclosure relates to a connector and a solar power generation device comprising the same, the connector characterized by comprising: a first terminal portion; a second terminal portion spaced apart from the first terminal portion; and a safety cut-off portion provided between the first terminal portion and the second terminal portion, the safety cut-off portion operating according to a temperature change to interrupt an electrical connection between the first terminal portion and the second terminal portion.

The utility model discloses a cable trench fire extinguishing device and a cable trench fire extinguishing system, and the cable trench fire extinguishing device comprises a fire extinguishing agent container, a fire detection tube, an alarm device and a pressure gauge, the fire extinguishing agent container is installed in a cable trench and used for storing a fire extinguishing agent and driving gas, and a bottle opening of the fire extinguishing agent container is sealed through a bottle head valve. The head end of the fire detection tube is connected with the bottle head valve, the tail end of the fire detection tube extends into a cable trench and is mounted above a cable along a cable laying path, and a temperature blasting threshold value is set on the tube wall of the fire detection tube; the alarm device is electrically connected with the bottle head valve and is used for sending out a sound-light alarm signal when the bottle head valve acts; and the pressure gauge is arranged at the tail end of the fire detection tube and is used for detecting the pressure change of the system. According to the technical scheme, the fire extinguishing efficiency of the cable trench can be improved.

Hazard detectors are shown and described. Included are devices, systems, kits, and methods for a hazard detector. A hazard detector may in some embodiments include a housing, a presence detector, a hazard detector and a control system. In some examples, hazard detector systems may include a hazard detector having one or more sensors with the ability to detect a hazard and a system for evaluating the hazard for characteristics prior to signaling an alarm. A hazard detector may include power saving systems for longevity and reliability of the detector.

The utility model discloses a fire fighting alarm bell, which belongs to the technical field of alarm bells and is characterized in that the outer end of a spring is connected with a shell, a rotating rod and a fixing shaft are rotatably mounted on the shell, a large gear is mounted on the fixing shaft, a small gear is rotatably mounted on the shell, and the small gear is eccentrically and rotatably connected with a transmission rod; the cover body covers the outer side of the shell and is provided with a guide frame, and a knocking rod is slidably mounted in the guide frame; a movable hole and a slot are formed in the cover body, a guide rod is inserted into the movable hole in a sliding manner, and a compression spring and a fusible metal sheet are further included. After the clockwork spring is screwed and stores energy, when a fire occurs, the fusible metal sheet is melted, the guide rod slides outwards under the elastic force of the compression spring, the limiting of the large gear is relieved, the large gear rotates along with the clockwork spring in the unscrewing process, the end of the knocking rod knocks the cover body, and the alarming effect is achieved. A full-mechanical structure is adopted, electricity is not needed, and the reliability of a fire alarm function is ensured; repeated use of the device is achieved by replacing the fusible metal sheet, the service life is guaranteed, and the maintenance cost is saved.

The present invention discloses a multifunctional fire extinguisher box, comprising a box body and a detection system. The detection system is composed of a trigger mechanism and an alarm mechanism in contact with the trigger mechanism, wherein the trigger mechanism comprises a support member, a first retaining seat, a second retaining seat and a movable assembly. The alarm mechanism is provided with a fixed seat, a fixed disk, a rotating shaft, a positioning column, a trigger disk, an alarm member and an elastic member. The multifunctional fire extinguisher box can automatically detect whether the weight of the fire extinguisher has changed. When the weight is reduced, the movable assembly can push the fire extinguisher upward. At the same time, the blocking rod on the second hinged member passes over the baffle, so that the baffle is no longer restricted, so that the rotating shaft drives the trigger disk to rotate under the reverse force of the elastic member. The trigger disk knocks on the alarm part to produce a sound, which alerts the staff and has the effect of an alarm. Not only does it not require external power support, it can also be used multiple times, saving costs, does not require a special use environment, and has high adaptability.

The utility model discloses a frame structure of a two-wheeled electric vehicle, and relates to the field of electric vehicle frames. The utility model provides a frame structure of a two-wheeled electric vehicle capable of extinguishing fire, which comprises a frame main body fixedly connected with a battery box, and further comprises a compressed air tank fixedly connected with the battery box, an air delivery pipe is communicated between the compressed air tank and the battery box, and a trigger assembly is arranged on the air delivery pipe. The triggering assembly is used for connecting the gas conveying pipe when a fire breaks out. When the battery box is on fire, the gas conveying pipe is communicated through the triggering assembly, so that the fire extinguishing gas in the compressed gas tank can enter the battery box through the gas conveying pipe, the fire extinguishing gas is used for extinguishing the fire of the battery box, and the purpose of extinguishing the fire is achieved.