202 results about "Gaseous detectors" patented technology

The invention provides an intelligent fire prevention and control fire-fighting management system and method for a lithium battery energy storage power station, and relates to the technical field of data processing, and the method comprises the steps: arranging a multi-level temperature sensor, a gas detector and a smoke detector in and outside a battery module, and collecting and forming multi-source monitoring data; performing time sequence rate analysis, and if a preset condition is met, generating early warning data; in combination with sensor matrix distribution in the battery module, spatial cross comparison is executed to obtain abnormal positioning data, and false anomalies are eliminated through multi-point consistency verification; generating a directional processing instruction corresponding to the injection unit, and setting injection data in the processing instruction; the spraying unit is controlled to release an atomized fire extinguishing medium, so that the medium forms a permeation flow field in the gaps of the battery cells, and treatment feedback data is acquired and formed; performing trend analysis, and if the trend is not enough to recover to the preset safety range, generating a secondary processing instruction; according to the invention, the autonomy and accuracy of fire control management are improved.

The invention discloses a gas detector for air pollution detection, and belongs to the technical field of gas detection.The gas detector comprises an outer shell and an inner shell which are arranged in a sleeved mode and used for detecting gas to be detected; the adjusting mechanism is used for adjusting the height and angle of the detection mechanism; wherein an inner air inlet cavity is formed in the inner shell, and an outer air inlet cavity is formed between the outer shell and the inner shell; a sensor is mounted on the inner wall of the inner air inlet cavity; an exhaust pipe communicated with the inner air inlet cavity is arranged on the outer shell, and a fan is mounted in the exhaust pipe; a rotating ring is rotationally arranged on the radial inner wall of the outer shell and used for adjusting the opening and closing states of the inner air inlet cavity, the outer air inlet cavity and the exhaust pipe. The inner gas inlet cavity is a core detection area, a sensor is installed to make direct contact with to-be-detected gas, and the outer gas inlet cavity is a split-flow filtering area and serves as a temporary storage area of follow-up impurities. The exhaust pipe is communicated with the inner air inlet cavity, the fan is arranged in the exhaust pipe, and the fan provides active air suction and exhaust power and supports reverse blowing and cleaning of residual impurities in the cavity.

The utility model provides a toxic gas detector control circuit capable of resisting electromagnetic interference, which comprises a power supply voltage regulation circuit, a temperature signal acquisition circuit, a sensor voltage regulation circuit, a sensor acquisition control circuit and a gas detector main control circuit which are in power supply connection. The gas detector main control circuit is in control connection with the 485 communication circuit, the acousto-optic prompt circuit, the LED state display circuit and the digital display screen, the gas detector main control circuit is in communication connection with the sensor acquisition control circuit, and the sensor acquisition control circuit is in control connection with the gas signal acquisition circuit and the temperature signal acquisition circuit. A TVS (Transient Voltage Suppressor) tube, a common mode inductor and a diode are arranged in the power supply voltage adjusting circuit; and a TVS tube and a diode are also arranged in the gas detector main control circuit. The poisonous gas detector has the beneficial effects that the anti-electromagnetic interference capability, the reliability and the stability of the poisonous gas detector when the poisonous gas detector is independently used are greatly improved.

The invention relates to the technical field of mainboard testing tools, in particular to a gas detector mainboard testing tool which comprises a testing table, a controller is connected to the end face of the testing table, a centering fixing structure is connected to the end face of the controller, and a movable touch panel structure is connected to the centering fixing structure. The end face of the test board is connected with a tester through a connecting seat, the centering fixing structure comprises a connecting bottom plate, and the connecting bottom plate is connected to the end face of the controller. Therefore, an electric telescopic rod and a driving motor in the middle fixing structure and the movable touch panel structure can be used for accurately and repeatedly positioning and fixing the detector main board and enabling an electric guide column to be in close contact with an electric element on the detector main board through a transmission structure, and the probability that the detector main board is damaged when the detector main board is tested is reduced. The accuracy of the detector mainboard during testing is influenced by external factors.

The invention discloses an underground coal mine smoke concentration early warning method and system, and belongs to the technical field of fire early warning. The first wavelength signal and the second wavelength signal of the underground coal mine are acquired, and the target Sott particle size is calculated by adopting a statistical method, so that the data precision is improved. The method comprises the following steps: setting a first threshold and a second threshold, judging an interval where a target Sott particle size is located, judging whether a roadway where a detection unit is located is normal or not according to the interval, collecting multiple groups of continuous first gas concentrations and second gas concentrations in combination with a gas detector, and calculating a first concentration change rate and a second concentration change rate; therefore, the underground state of the coal mine is determined, and the accuracy of smoke alarm is improved. Furthermore, parameters of the smoke detector are periodically updated in combination with equipment noise, the accuracy of data acquisition of the equipment is improved, and the probability of false alarm is reduced.

This invention proposes a capacitive wireless charging portable gas detector, comprising a charging base that matches the portable gas detector. The charging base contains a power supply circuit, a control circuit, and a first coupling electrode plate. Both the power supply circuit and the control circuit are connected to the first coupling electrode plate. The control circuit generates a high-frequency PWM signal as a drive signal for the first coupling electrode plate. The portable gas detector contains a second coupling electrode plate, a charging circuit, and a battery. The second coupling electrode plate matches the first coupling electrode plate, and the closer-proximity second coupling electrode plate forms a capacitor structure with the first coupling electrode plate. The second coupling electrode plate induces a charge and is connected to the battery through the charging circuit. This invention utilizes coupling electrode plates instead of inductors, eliminating the need for large internal inductance. The coupling electrode plates inside the portable gas detector are separate and cannot form a capacitor, reducing the difficulty of intrinsically safe explosion-proof design, improving device safety, and extending the service life of the portable instrument.

To provide a gas detector that can easily detect mixed gases with high accuracy, and that can calibrate the gas sensor without using actual gas. [Solution] The system is configured to include a sensitivity setting unit 121 that sets the sensor sensitivity of the gas sensor 110 for a gas to be measured, selected from among multiple types of mixed gases in which the first to nth gas components (where n is an integer of 2 or more) are mixed in different proportions, based on composition data relating to the gas to be measured and sensitivity data relating to the sensor sensitivity of the gas sensor 110 for each of the first to nth gas components, and a calibration curve data acquisition unit 122 that acquires calibration curve data for the gas to be measured based on composition data relating to the gas to be measured and reference calibration curve data for each of the first to nth gas components.

A gas detector suitable for use in harsh environments where gas sensors are likely to deteriorate, while suppressing an increase in the number of parts and an increase in the size of the device, is provided. [Solution] This gas detector 100 is a gas detector that detects a target gas, and comprises a sensor section 1 including multiple gas sensors 10 of the same type mounted on the same substrate 14, and a control section 2 that detects the target gas based on the output values ​​30 of the multiple gas sensors 10, and the control section 2 is configured to perform control to correct the output value 30 of a gas sensor 10 that has deteriorated, based on the output values ​​30 of the multiple gas sensors 10.

The utility model relates to the technical field of gas detectors, in particular to a gas detector easy to maintain, which comprises a mounting seat and a detector body, a sliding rod is fixedly mounted in the mounting seat, a sliding block is slidably connected to the surface of the sliding rod, a spring is sleeved on the surface of the sliding rod, and a lower connecting seat is fixedly mounted on the surface of the sliding block. According to the utility model, the inner hexagon screws in the first screw hole and the second screw hole are taken down, the detector body is pressed downwards, the detector body drives the mounting plate to press downwards, the connecting rod rotates when the mounting plate presses downwards, the connecting rod rotates and drives the sliding block to move on the sliding rod, and the sliding block drives the fixed block to move. The fixing block drives the pressing block to move, when the pressing block is far away from the positioning edge, the detector body is separated from the mounting base, and personnel can easily take down the detector body from the mounting base so that the personnel can quickly maintain and replace the detector body.

1. The name of the design product: composite gas detector (PS-712). 2. The use of the design product: for a composite gas detection instrument tool. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model relates to a dangerous goods storehouse which comprises a storehouse body, a ventilation assembly and an early warning assembly. The ventilation assembly comprises a ventilation pipeline, a fan and a ventilation column body; the ventilation pipeline is provided with at least one communicating end and an air outlet end; at least one communication end is communicated with the storehouse body, and one communication end is communicated with the ventilation column body; the air outlet end is communicated with the outside; the fan is arranged on the ventilation pipeline and is communicated with the ventilation pipeline; a ventilation opening is formed in the lower part of at least one plate far away from the inner wall of the storehouse body; the early warning assembly comprises an alarm and a plurality of gas detectors; the alarm is arranged on the outer wall of the storeroom body and connected with the outer wall of the storeroom body; the plurality of gas detectors are arranged on the ventilation column body and are connected with the ventilation column body; through the arrangement of the ventilation column bodies, the gas detectors are arranged on the ventilation column bodies, and the arrangement positions of the detectors are concentrated, so that the overall layout of the warehouse is clean and tidy, and it is guaranteed that emergency situations can be handled in time.

1. The name of the design product: gas detector. 2. The use of the design product: gas monitoring display alarm, gas collection remote analysis for open and closed environment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A gas detector is provided. The gas detector has a housing defining a cavity and a display module is disposed within the cavity. The display module has a first PCB, a base plate, a metal enclosure, and a thermal gap pad. The metal enclosure is positioned on top of the base plate, and the thermal gap pad is disposed in between the metal enclosure and the second PCB. The second PCB is disposed on top of the thermal gap pad.

The utility model relates to the technical field of gas detectors, in particular to a lifting type gas detector. The lifting type gas detector provided by the utility model solves the technical problem that a gas detector in the prior art is inconvenient to maintain. A lifting type gas detector comprises a detector body and a base, and the detector body is arranged on the base through a lifting assembly; by arranging the lifting assembly, the detector main body is fixed on the base through the lifting assembly, and when the detector main body needs to be maintained, the lifting assembly can be conveniently operated to reduce the height of the detector main body, so that related personnel can conveniently maintain the detector main body. In addition, related personnel do not need to climb to a high position in the maintenance process of the detector body, and potential safety hazards are reduced.

The utility model discloses a flue gas waste heat recycling boiler for an oil field united station. The flue gas waste heat recycling boiler comprises a boiler body, a boiler door, a gas detector and a smoke exhaust pipe, wherein the boiler door is nested and attached to the inner side of the rear end of the boiler body and hinged to the boiler body; the gas detector is arranged on the right side of the boiler body; a combustion heat supply structure is arranged on the inner side of the lower end of the boiler body, a filter screen is arranged on the inner side of the right lower end of the boiler body in an attached mode, and a limiting strip fixedly connected with the boiler body is arranged outside the filter screen in an attached mode; a fuel gas backflow structure is arranged between the boiler body and the gas detector, and a flue gas waste heat recycling structure is arranged in the gas detector. According to the flue gas waste heat recycling boiler for the oil field united station, fuel gas which is not burnt completely can be conveniently refluxed for use, flue gas waste heat can be conveniently recycled, resource waste is avoided, and flue gas can be conveniently discharged after being filtered and purified.

1. The name of the design product: gas detector (GTY-TA25S). 2. The use of the design product: the design product is used for detecting the concentration of flammable, toxic and harmful gases in the environment, judging the alarm state, and uploading the concentration and alarm signal to the flammable gas alarm controller to issue an alarm signal. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A gas detector includes a gas detector body; the gas detector body includes a detection probe, a gas detector housing, and a universal shaped tube. An end of the universal shaped tube is connected with the gas detector housing, the other end of the universal shaped tube is connected with the detection probe, and the detection probe is internally integrated with a sensor used to detect a leakage gas, an alarm lamp used for an alarm indication when the leakage gas is detected, and a lighting device used to illuminate. According to the gas detector, an extending portion of the universal shaped tube is provided with the protection probe, and the alarm lamp and the lighting device are added therein, realizing the alarm indication, and being used to illuminate as a searchlight in an area with poor lighting of a gas pipeline during non-alarm.

The application relates to a detection device capable of moving autonomously according to a wind direction, and belongs to the technical field of gas detection. The detection device comprises a gas detector, a meteorological monitoring bin used for detecting meteorological information of a monitoring area and sending the meteorological information, a track arranged in the monitoring area, a moving mechanism in communication connection with the meteorological monitoring bin and used for receiving the meteorological information and driving the gas detector to move along the track according to the meteorological information, and a power bin used for outputting a low-voltage direct-current power supply and electrically connected with the gas detector, the meteorological monitoring bin and the moving mechanism and used for supplying power to the gas detector, the moving mechanism and the meteorological monitoring bin. The application has the beneficial effect that a point type or linear detector can timely and actively and effectively detect gas leakage.

The application discloses a kind of multimode snorkeling mark integrated ocean environment monitoring system, comprising: data acquisition and preprocessing module: real-time acquisition leakage source parameter, environmental parameter and the measured concentration data of gas detector arranged in field;Microfield construction module: single-point weather data is deduced and extended to microclimate field data covering entire three-dimensional space;Intelligent scene matching engine: automatically select and call pre-constructed diffusion model;Core calculation model library: generate preliminary three-dimensional concentration field prediction result;Data assimilation module: receive preliminary three-dimensional concentration field prediction result as prior information, dynamically correct model parameters and output more actual situation after correction three-dimensional concentration field;Dynamic risk representation and visualization module: according to corrected three-dimensional concentration field, real-time calculation and generation risk representation information, and output visual three-dimensional diffusion image to support emergency decision.

The invention relates to the technical field of gas parameter acquisition, and particularly discloses a remote data sending method and system for a gas detector, and the method comprises the steps: obtaining a monitoring scene and gas source distribution information, and determining the installation position of the gas detector in the monitoring scene according to the gas source distribution information; creating a matrix template, acquiring the gas concentration containing the time label based on the matrix template, and obtaining an instantaneous matrix containing the time label; querying environment parameters according to the time label, clustering the instantaneous matrixes according to the environment parameters, performing data deletion on each type of instantaneous matrixes, and determining a data deletion scheme, meeting a preset condition, of the type of instantaneous matrixes; environmental parameters are obtained in real time, a data deletion scheme is matched according to the environmental parameters, and data of the gas detector are obtained. According to the invention, an original comprehensive detection scheme is converted into a sampling detection scheme with relatively high data integrity, the use frequency of the gas detector is reduced, and the endurance is improved in a disguised manner.

The utility model relates to the technical field of gas detection, in particular to a fixed gas detector for underground space of a pipe gallery, which comprises a probe and a main body, an anti-explosion sheet and a waterproof breathable film are arranged at a gas inlet of the probe, and the waterproof breathable film and the gas inlet are in a closed state and are used for preventing water from entering the probe or soaking the anti-explosion sheet. The anti-explosion piece is used for supporting the waterproof breathable film and preventing the waterproof breathable film from deforming. According to the utility model, a layer of waterproof breathable film made of polytetrafluoroethylene is adhered between the explosion-proof sheet and the supporting shell of the explosion-proof sheet. The film has hydrophobicity, so that water cannot enter or soak the explosion-proof sheet. The gas sensor is waterproof, dustproof and breathable, and work of the gas sensor is not affected. The gas detector fault caused by underground soaking of the pipe gallery is solved, and the reliability of the gas detector is improved.

1. Name of the product in this design: Gas Detector (Industrial and Commercial Point Type QD6800). 2. Purpose of this design: This design is used for detecting flammable and toxic gases. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model provides a gas detector, which comprises a shell assembly, a gas detector, a gas detector, a gas detector, a gas detector, a gas detector, a gas detector, a gas detector and a gas detector, and is characterized in that the shell assembly is provided with an accommodating cavity and a detection window; the detection assembly comprises a gas sensor and a main board, the gas sensor is arranged on the main board, the gas sensor and the main board are both located in the containing cavity, the detection end of the gas sensor extends out of the detection window, and the size of the detection window is matched with the size of the gas sensor; the panel is arranged on the side, where the detection window is located, of the shell assembly, the panel is provided with an air hole, the panel covers the gas sensor, and the air hole corresponds to the gas sensor. By adopting the scheme, the problem that dust is easily accumulated in the gas sensor and the mainboard in the prior art, so that the mainboard fails can be solved.

The utility model discloses an anti-electromagnetic interference gas detector, which comprises a shell assembly, a protective cover assembly, a soft rubber sleeve, a cable joint and a sensor module, the shell assembly comprises an upper shell and a lower shell, a cavity is arranged in the lower shell, the inner wall surface of the cavity is provided with a vent hole communicated with the outside, and the protective cover assembly is arranged in the cavity. The protective cover assembly comprises an inner protective cover and an outer protective cover, the outer protective cover is matched with the inner protective cover in a sleeved mode, a connecting module is fixedly installed in the inner protective cover, the sensor module is connected and matched with the connecting module, the upper shell, the lower shell, the inner protective cover and the outer protective cover are all made of metal, and the cable connector is arranged on the outer side of the lower shell. The soft rubber sleeve is arranged on the outer surface of the lower end of the outer protective cover. According to the utility model, protection can be carried out from a structure angle, then processing is carried out from a circuit angle, anti-electromagnetic interference protection is carried out in all directions, and the device can be applied to various places with severe electromagnetic environments.

The utility model relates to the technical field of detectors, and discloses a gas detector probe which comprises a detector, a probe body is arranged on the upper portion of the outer wall of the front end of the detector, a plurality of sliding grooves are formed in the outer wall of the probe body, sliding blocks are connected to the inner walls of the sliding grooves in a sliding mode, and reset springs are fixedly connected to the rear ends of the outer walls of the sliding blocks. The upper end of the sliding block is fixedly connected with a push ring, and the front end of the outer wall of the detection head is provided with a protective cover. When the detection head of the gas detector is used, physical protection is provided for the detection head through the protective cover, and the dust filter screen effectively prevents dust particles from entering and prevents the dust particles from being attached and accumulated, so that stable operation of the detector is ensured; the protective cover is primarily limited through threaded connection, meanwhile, a reset spring drives a limiting block and a push ring to transversely move, a positioning rod is clamped with a positioning hole, secondary limiting of the protective cover is achieved, the firmness degree of installation of the protective cover is greatly enhanced through the double-limiting design, and the protective cover is prevented from falling off due to external force.

1. The name of the design product: gas detector (fire automatic alarm equipment). 2. The use of the design product: for real-time monitoring of the concentration of flammable gas in the environment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to the technical field of industrial safety and environmental control, and discloses a safety linkage exhaust system for a dangerous chemical room, which comprises an exhaust system, a gas alarm system, a dry powder extinguishing system and a linkage control center, the exhaust system comprises a fan, an air inlet, an exhaust outlet, an air duct and a linkage air valve; the gas alarm system comprises a plurality of gas detectors distributed in the dangerous chemical chamber; the dry powder fire extinguishing system comprises a fire detector, a control unit and a dry powder spraying opening. The signal input end of the linkage control center is electrically connected with the alarm signal output end of the gas alarm system and the alarm signal output end of the dry powder fire extinguishing system. The gas alarm system, the dry powder fire extinguishing system and the exhaust system are integrated in the same linkage control center, so that automatic identification and graded response under gas leakage and fire states are realized, starting and stopping of a fan and opening and closing of an air valve can be controlled respectively under different working conditions, and automatic safety management of a dangerous chemical chamber in a complex environment is guaranteed.

The application discloses a novel resistive material applied to a microstructure gas detector and relates to the technical field of composite materials, which comprises an insulating base layer and a high-conductivity material outer layer, wherein the high-conductivity material outer layer is composed of a conductive polymer and nanoscale conductive material after modification; a microstructure layer is further arranged on the outer surface of the high-conductivity material outer layer; and a self-repairing structure is further arranged in the high-conductivity material outer layer, wherein the self-repairing structure comprises a plurality of microcapsules uniformly embedded in the high-conductivity material outer layer. The novel resistive material applied to the microstructure gas detector disclosed by the application significantly improves the detection sensitivity and time resolution of the microstructure gas detector, has excellent radiation resistance and environmental adaptability, and solves many defects in the prior art. Through microstructure design and self-repairing function, the material exhibits excellent performance under high particle flow conditions and is suitable for application in the fields of high-energy physics and nuclear medicine.

The utility model discloses a test device for detecting the performance of a gas detector, which comprises a test box, a plurality of terminal strips are mounted on the rear side wall of the test box in a sliding manner, sealing rings are arranged between the terminal strips and the side wall of the test box, a gas inlet pipe is mounted on the left side wall of the test box, and a gas outlet pipe is mounted on the right side wall of the test box. And a pressure regulating valve and a flow valve are arranged on the air inlet pipe. According to the device, the problems of poor sealing performance and poor compatibility are solved by arranging the height-adjustable terminal strip on the test box, and the problems of inaccurate flow and gas leakage are solved by arranging the pressure regulating valve and the flow valve.

The application discloses a UPS battery room inert gas protection system and belongs to the field of UPS battery room safety protection. The protection system comprises a battery room, a gas detector arranged in the battery room, an air inlet pipe, an adjusting valve arranged between an inert gas pipe network and the air inlet pipe, a gas exchange assembly, an air inlet assembly and an air exhaust assembly, the air inlet assembly comprising an air inlet fan and an air inlet valve, the air exhaust assembly comprising an air exhaust fan and an air exhaust valve, and a control box in communication connection with the gas detector, the adjusting valve, the gas exchange assembly and the door of the battery room. The application aims to reduce the risk of fire and explosion of the UPS battery room.