61 results about "Fire detector" patented technology

The application provides a fire control method and device and electronic equipment, and relates to the technical field of nuclear power, and the method comprises the following steps: in the case that a fire alarm signal sent by a fire detector is received by a fire alarm system, the fire alarm system is used to send the fire alarm signal to a distributed control system (DCS); the fire alarm system is used to receive a device state control instruction sent by the DCS based on the fire alarm signal; and the fire alarm system is used to control the fire equipment to execute a fire operation indicated by the device state control instruction, wherein the fire equipment is the fire equipment indicated by the device state control instruction. According to the application, the fire alarm system is used to control the fire equipment to execute the fire operation, the fire alarm system can execute corresponding fire operations according to the device state control instruction of the DCS, and the fire safety of the nuclear power plant can be improved.

The utility model discloses a kind of concealed samplers with replaceable sampling points, it is related to smoke detection field, including suction type smoke fire detector module, UPS power module and sampling pipe network module;One end between suction type smoke fire detector module and UPS power module is fixedly connected, the vertical distance of suction type smoke fire detector and ground can be selected as distance is 1.5m, corresponding power panel and module box are equipped in suction type smoke fire detector module, the inside of corresponding power panel and module box is equipped with power cord, when the utility model uses detachable concealed sampling mode, sampling point can be removed from sampling head after unified cleaning, and there are more efficient cleaning methods including soaking cleaning, can completely remove dirt on sampling point, to next replacement period, the sampling point after cleaning can be replaced on sampling head, which can effectively improve the cleaning efficiency and effect of sampling point.

Fire alarm device (1) with at least one fire alarm arrangement (2), wherein the at least one fire alarm arrangement (2) comprises at least one fire detector (3) for detecting a fire and at least one processing unit, in particular at least one image processing unit (4), wherein the at least one fire detector (3) and the at least one processing unit, in particular the at least one image processing unit (4), provide data, with a communication device (5), wherein the at least one fire alarm arrangement (2) is connectable or connected to the communication device (5) for transmitting the provided data, wherein the at least one fire alarm assembly (2) and the communication device (5) each have at least one wired bus connection (7), wherein the at least one fire alarm assembly (2) and the communication device (5) can be connected to each other via a wired bus connection (8) by means of the at least one wired bus connection (7), wherein the at least one fire alarm arrangement (2) for transmitting the data additionally has at least one wireless connection port (9), wherein the communication device (5) comprises a further wireless connection port (9), wherein the wireless connection ports (9) of the at least one fire alarm arrangement (2) and the communication device (5) are connectable or connected to each other for the transmission of data via a wireless network unit (10), where the data with a small data size are allocated to the wired bus connection (8) for transmission at low data rates, wherein the data with a large data size is assigned to the wireless network unit (10) for transmission at high data rates, wherein the fire alarm device (1) comprises at least one repeater (11), wherein the wireless transmission of the data between the wireless connection terminals (9) of the communication device (5) and the at least one fire alarm arrangement (2) is carried out indirectly via the at least one repeater (11).

Proposed is a fire extinguishing system for a vehicle battery. A pressure balancing element disposed on a battery pack provides a gas path between inside and outside a battery housing. A gas path portion connected to the pressure balancing element through a ventilation valve has a terminal end open to the air, allowing gas to move between the gas path and the air. A main fire detector disposed on the gas path portion detects a fire in the battery pack. A controller outputs a control signal to extinguish the fire. An extinguishing agent supply unit supplies a fire extinguishing agent to the gas path portion through the ventilation valve and the pressure balancing element in response to the control signal. A fire occurring in the battery pack is rapidly and accurately detected and immediately and effectively extinguished.

This utility model discloses a multi-dimensional composite fire detector, belonging to the field of fire detectors. It includes a front shell with a battery slot containing a battery, and a battery cover covering the battery. The multi-dimensional composite fire detector of this utility model, through its flame PCB and control board, allows for assembly by first installing a bracket onto a rear shell, causing magnets one and two to attract each other, and then installing the front shell into the rear shell to complete the installation. When the fire detector detects smoke reaching a predetermined threshold, an alarm sounds. The flame PCB enables timely detection of flame information, enhancing the safety performance of the fire detector. This fire detector effectively distinguishes between fire smoke and facilitates cleaning of dust covers, and enables multi-dimensional cross-verification in the early stages of a fire.

The present invention relates to a system for supporting an operator's response in the event of a fire in a nuclear power plant, comprising: a fire information receiving unit that receives fire occurrence information from a plurality of fire detectors installed in the nuclear power plant; a database in which location information within the nuclear power plant corresponding to the fire occurrence information and operator action information related to the location information are stored; an information processing unit that obtains the location information and operator action information from the database using the fire occurrence information received from the fire information receiving unit; and an output unit that displays the information obtained from the information processing unit.

The application discloses a self-cleaning intelligent tentering and setting oven and a tentering and setting integrated machine thereof, wherein a heat recovery and air exchange chamber and a hot water and air exchange chamber are integrated in the oven, heat exchange of high-temperature waste gas and recycled clean gas is carried out through a heat recovery and exchange pipe group and a water and air heat exchange pipe group which are communicated with a static pressure air chamber, then the high-temperature waste gas is purified and recycled through a low-temperature plasma purification device and a three-way air uniformizing pipe, and a smoke and fire detector and a spraying fire extinguishing device are installed. The oven system provided by the application has the advantages of simple structure, high energy-saving efficiency, high safety and free combination; and the tentering and setting integrated machine system adopting the oven system can be flexibly arranged according to process requirements to adapt to processing requirements of different cloth types.

The utility model relates to smoke detection technical field, concretely is a kind of external hanging type composite fire detector, including shell;Shell inside is equipped with smoke detection mechanism, and smoke detection mechanism includes slow flow cavity, slow flow cavity is set in shell inside one end, two gas inlets are set in slow flow cavity side, and combustible gas sensor is fixedly connected in slow flow cavity inside, slow flow cavity side is communicated with air cavity, and air cavity side is communicated with detection cavity, and smoke detection assembly is fixedly connected in detection cavity inside. The aspirating smoke detector for detecting fire that is set can detect smaller smoke particles and combustible gas that early-stage technology cannot see, these particles are produced in the earliest stage of this fire of excessive heating and open fire or smoldering, can discover the existence of fire within hours before visible smoke even earlier, the very high sensitivity makes the aspirating smoke detector for detecting fire can send out alarm in time in the early stage of fire development, effectively prevent the spread and expansion of fire.

This invention provides a fire detection and protection device for semiconductor CVD equipment, comprising a housing, a fire detection module, a control module, and an alarm module. The housing is mounted on one side of the control cabinet. The fire detection module includes a fire detector. The control module includes a self-locking relay, a time-delay relay, and a reset button. The alarm module includes an audible and visual alarm. The fire detector is disposed within the control cabinet, the self-locking relay and the time-delay relay are disposed within the housing, and the reset button and the audible and visual alarm are disposed on the housing. An AC contactor is provided in the control cabinet. The closing and opening of the normally open contacts of the AC contactor controls the on / off state of the main power supply of the control cabinet. The control module controls the energization and de-energization of the coil of the AC contactor based on the fire detector, thereby controlling the on / off state of the main power supply of the control cabinet. This invention improves the fire hazard prevention and control capabilities of semiconductor CVD equipment.

1. The name of the design product: fire detector. 2. The use of the design product: for fire detection. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The application provides a battery replacement cabinet warehouse body active immersion type water fire extinguishing device, which comprises a battery replacement cabinet body, the outer side of the battery replacement cabinet body is provided with a cabinet door, the middle part of the battery replacement cabinet body is provided with a battery warehouse, one side of the battery replacement cabinet body is provided with a fire extinguishing assembly, and the upper end of the fire extinguishing assembly is provided with a control box. The fire extinguishing assembly comprises a liquid storage tank fixed on one side of the battery replacement cabinet body, a liquid inlet pipe installed on the upper end of the liquid storage tank, a liquid level sensor and a water pump, a water pumping pipe connected with the input end of the water pump, a water supply pipe connected with the output end of the water pump, an in-warehouse pipe connected with the end of the water supply pipe, an electromagnetic valve arranged on the outer side of the in-warehouse pipe, a spraying head and a fire detector installed in the battery replacement cabinet body. The application can solve the problem that the internal condition of the battery warehouse cannot be detected in time, and the fire extinguisher can only suppress open flames and cannot quickly reduce the temperature in the battery cell, and the problem of high reburning rate is solved.

The application discloses a smoke fire detection method and a smoke fire detector based on a red light infrared mode, and the method comprises the following steps: controlling a red light module to emit first red light at a first angle, deflecting the light beam via a rotating prism to obtain first scattered light, receiving the first scattered light by a photodiode to obtain a first scattered light intensity; controlling the red light module to emit second red light at a second angle, deflecting the light beam via the rotating prism to obtain second scattered light, receiving the second scattered light by the photodiode to obtain a second scattered light intensity; controlling an infrared module to emit first infrared light at a third angle, deflecting the light beam via the rotating prism to obtain third scattered light, receiving the third scattered light by the photodiode to obtain a third scattered light intensity; acquiring CO concentration data by a CO sensor; and identifying a smoke type according to the first scattered light intensity, the second scattered light intensity, the third scattered light intensity and the CO concentration data, so that the fire type identification accuracy can be improved.

This invention discloses a testing device for sensitive components of a linear temperature-sensitive fire detector, belonging to the field of fire detector testing technology. It includes a housing, a heating system, a temperature control system, and a heat dissipation system. The heating system employs a surface-mount heat conduction heating cavity and a matching heating device. The temperature control system is based on a PLC industrial control integrated computer. This invention designs standardized testing methods for both constant-temperature and differential-temperature alarm-type sensitive components. During the heating process, online thermal characteristic identification and predictive temperature control algorithms achieve precise regulation of the temperature rise rate. During the constant-temperature process, a Smith predictor combined with an adaptive PI algorithm achieves stable temperature control. Multiple safety protection functions are also included. This invention solves the problems of low temperature control accuracy, non-standardized testing procedures, inability to realistically simulate the temperature rise process, low testing efficiency, and potential safety hazards in existing testing methods. The testing process closely matches the actual working environment of the component, and the results meet standard testing requirements.

Fire detector (1) comprising a detector system (5) extending along a longitudinal axis (A) thereof and comprising a first extremity (5a) and a second extremity (5b), the first extremity (5a) being configured to be fixedly carried by a portion (2) of a vehicle, the detector system (5) comprising a first and a second detection elements (5', 5' ) and an insulator layer (6) operationally interposed between the first and second detection elements (5', 5" ), wherein the detection elements (5', 5' ) being fixedly coupled relatively one to the other at their extremities (5a, 5b) and wherein both detection elements (5', 5' ' ) comprising a reduced strength portion (7) realized between their extremities (5a, 5b) and configured to break at a pre- defined temperature difference between the first and second elements ( 5', 5" ).

The utility model relates to a kind of anti-collision structure of fire detector easy to install, belong to fire safety equipment technical field, including anti-collision subassembly and fire detector subassembly, the bottom and top of first connecting sleeve ring and second connecting sleeve ring are separately installed with several circumferential array distribution and symmetric distribution buffer spring, silicon rubber anticollision piece is installed between the buffer spring of up-down confrontation, and multiple levels of buffer protection system are formed, when being impacted by external force, silicon rubber anticollision piece utilizes self elasticity to preliminarily disperse impact force, and buffer spring is further absorbed energy by elastic deformation, impact kinetic energy is converted into elastic potential energy, the influence of impact force to core components such as smoke detector is greatly weakened, the probability that detector is damaged due to collision is effectively reduced, and the impact resistance and service life of fire detector in complex environment are significantly improved.

This application relates to the field of flame detector probe protection technology, and more particularly to a flame detector probe protection device, including a probe tube, a lens assembly, and a soot blowing assembly. The probe tube has an axially penetrating cavity. The lens assembly is disposed within the cavity, dividing it into a near-fire section and a far-fire section. The flame detector probe is disposed in the far-fire section. The soot blowing assembly communicates with the inlet section and is used to clean dust from the lens assembly. A fan blows air onto the lens mount and condenser lens, blowing away particulate residue from their surfaces. Since the lens mount is inclined, the residue slides down the inclined surface into a guide block and then into a dust collection box, thus maintaining the cleanliness of the lens surface and ensuring optimal light transmittance and focusing. The flame detector connector ensures a stable installation position for the flame detector probe, effectively preventing displacement or detachment due to high-temperature vibration, which could cause the probe axis to deviate from the flame's centerline.

The utility model belongs to the technical field of smoke temperature generator, especially a smoke temperature generator for fire detector detection, including extension pole, the extension pole top outer wall is screwed with battery holder, and the battery holder top outer wall is installed with smoke temperature generating cylinder, the smoke temperature generating cylinder inside is installed with ceramic atomizing piece, and the smoke temperature generating cylinder one side outer wall is welded with the spray head, the smoke temperature generating cylinder top outer wall center place is fixedly connected with photoelectric sensor. The utility model extension pole can adjust the length through dismantling, and the cooperation handle is convenient for hand holding, can easily touch the detector of high place or narrow area, and the clamp is fixed on the extension pole through the fastening knob, avoids the shake when moving, promotes the operation stability, and photoelectric sensor can sense the distance with fire detector, works through the mainboard automatic control ceramic atomizing piece, and the control switch can manually control water pump parts, and check valve prevents the backflow of smoke, reduces reagent waste, solves the problem that manual operation is complicated and low in efficiency.

This utility model belongs to the technical field of electrical fire monitoring devices, specifically an electrical fire monitoring equipment. This device consists of an electrical fire monitoring display, a wireless data acquisition unit, an electrical fire monitoring sub-unit, and an electrical fire detector. The electrical fire monitoring display and the wireless data acquisition unit are connected via RS485 communication; the wireless data acquisition unit and the electrical fire monitoring device are connected via Bluetooth wireless communication; and the electrical fire monitoring sub-unit and the electrical fire detector are connected via a two-wire bus communication. This utility model's electrical fire monitoring device boasts rich functionality, high intelligence, powerful features, compact size, easy installation, low cost, long transmission distance, abundant display data, and stable and reliable performance, making it an effective and economical product to meet user needs.

The application discloses a new energy automobile battery automatic fire extinguishing system based on partition management, which comprises a fire extinguishing agent supply unit, a plurality of mutually isolated battery areas, a fire detector and a fire extinguisher which are correspondingly arranged in the battery areas, and a fire extinguishing agent pipeline which is arranged between the fire extinguisher and the fire extinguishing agent supply unit, wherein the fire extinguishing agent supply unit provides the fire extinguisher with fire extinguishing agent through the fire extinguishing agent pipeline; the fire detector and the fire extinguisher are electrically connected, the fire detector is used for detecting the fire condition in the battery area, and the fire extinguisher is used for spraying the fire extinguishing agent to the battery area. The new energy automobile battery automatic fire extinguishing system based on partition management can concentrate all the fire extinguishing agent on the fire area, significantly improve the fire extinguishing agent concentration and spraying intensity in a unit area, and greatly improve the fire extinguishing efficiency.

The central control panel is used to obtain information corresponding to the location of people within the building subject to fire protection regulations. [Solution] The fire alarm system 1 comprises a fire detector 2 and a control panel 4. The fire detector 2 has a beacon 12 that receives beacon signals from portable terminals 6 carried by each person inside the building B, and transmits beacon information corresponding to the beacon signals. The control panel 4 acquires information corresponding to the location of the portable terminals 6 measured using the transmitted beacon information and displays it on a map of the building B.

The application provides a power station boiler and a fire detection sleeve. The power station boiler comprises a boiler body, a furnace and a fire detection inlet. The fire detection inlet is arranged at the top of the boiler body and communicates with the furnace. A pipeline support is arranged on the boiler body and directly above the fire detection inlet. The fire detection device comprises the fire detection sleeve. The fire detection sleeve comprises a steel lower pipe section, a flexible pipe section and a steel upper pipe section. The upper end of the flexible pipe section is connected with the lower end of the steel upper pipe section. The lower end of the flexible pipe section is connected with the upper end of the steel lower pipe section. The steel lower pipe section and the flexible pipe section are located in the furnace. The steel upper pipe section is at least partially located outside the furnace. The steel upper pipe section is fixed to the fire detection inlet. The fire detector comprises a fire detection probe. The fire detection probe is arranged in the fire detection sleeve and at least part of the fire detection probe extends from the lower end of the steel lower pipe section. When the flexible pipe section is bent, the straight line distance between the two ends of the fire detection sleeve is less than the distance between the pipeline support and the fire detection inlet. The fire detection probe is more convenient and complete in coke removal.

This utility model relates to an installation device for an electrical fire detector, comprising a housing on which a detection unit is mounted, a groove extending along its length at the lower end of the housing, a plug-in block slidably connected in the groove, and a driving component connected to the plug-in block on the housing, the driving component being used to drive the plug-in block to slide out of or into the groove; and a base for connecting to a wall, the top surface of the base having a groove for the lower end of the housing to be inserted into, and a plug-in slot located on the sliding trajectory of the plug-in block having a groove on the side wall of the groove. Compared to existing integrated fire detectors, this application allows for quick installation and removal of the housing with the detection unit after connection to the wall via the base, through the cooperation of the plug-in block and the plug-in slot.

The present invention provides a high-tech stove fire detector and suppression system comprising an exhaust hood and a stove unit with multiple burners on a cooktop. The exhaust hood includes an overhead unit with fire extinguisher nozzles to combat fires on the cooktop. Sensors detect smoke or fire, while the stove unit has a sensor for detecting the presence of a person within a 10-foot range. The system also features LED lights with video cameras, a ventilation display with an emergency turn-off button, and four power outlets. A mobile application allows remote control of the system, including burner and oven controls. This invention offers an efficient solution for fire detection, suppression, and remote management in any kitchen.

This utility model relates to the field of energy storage system technology and discloses a testing device for an acoustic signature fire detector for an energy storage cabinet. The device includes a test platform with multiple equally spaced slots along its length. Each slot has a baffle hinged to its inner wall. A sliding groove is located at the center of the test platform along its length, and a sliding stage is installed inside the groove. This testing device for an acoustic signature fire detector for an energy storage cabinet, through the combined use of the baffles and a noise simulator, can simulate the complex sound field environment formed by sound reflection and interference from obstacles in the enclosed space inside the energy storage cabinet. This ensures that the testing scenario for the acoustic signature fire detector matches the real-world application scenario. Furthermore, the complexity of the sound propagation path and the sound field distribution can be flexibly adjusted by removing the number of baffles, thereby simulating the noise environment of the energy storage cabinet under different equipment layouts and varying degrees of spatial openness.

1. Name of the product in this design: Manual fire alarm button (A9060T). 2. Purpose of this design: In the event of a fire, when the fire detector fails to detect the fire, personnel can manually press the manual fire alarm button to report the fire signal. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The back of this product is a part that is not easily seen or cannot be seen during use, so the rear view is omitted.

This utility model discloses a cascaded fire detector base with positioning and communication functions, including a base shell and a base circuit board. The base shell has built-in bus terminals, and the circuit board integrates an RJ45 network port, a memory, a switch chip, a network transformer, a network chip, a Bluetooth chip, a power chip, an RF switch, dual antennas, and LED indicators. The base connects to the fire alarm bus via the bus terminals to power the detector and provide an interface; it connects to an external PoE switch via the RJ45 network port to achieve network power supply. Network data is transmitted to the switch chip via the network transformer, and the network chip is connected to the switch chip via the transformer to achieve data forwarding. The Bluetooth chip controls the network chip, transmitting and receiving control and positioning information via TCP / IP. The power chip reduces the high-voltage DC to 3.3V to power each module and isolates interference through a ferrite bead. The Bluetooth chip connects to the RF switch to switch the dual antennas for data transmission and reception. All modules work together to achieve positioning, communication, and cascading functions.

The present application relates to a kind of composite fire detector detection experiment host and its detection method, belong to fire detection technical field.The method includes: obtaining smoke, temperature, combustible gas associated optical signal, resistance fluctuation signal, current signal, and is amplified, noise reduction optimization processing, integration is converted into unified digital signal, simultaneously the digital signal is converted into characteristic parameter quantization value, generates standardization detection data by data standardization optimization mechanism;Through the construction of multi-parameter threshold matching model, output detection determination signal and linkage signal, build hierarchical alarm strategy and output early warning signal and active drive signal.Multiple signal fusion detection and intelligent hierarchical alarm are realized, the accuracy of composite fire detector detection, response efficiency are improved, reliable experimental support and technical support are provided for fire detection work.