270 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 invention discloses a battery pack intelligent fire extinguishing system based on multistage thermal runaway early warning, which comprises a sensing monitoring module, a data processing module, an execution mechanism module and a communication interaction module, the sensing monitoring module comprises a distributed temperature sensor array for monitoring the surface temperature of the battery in real time and detecting abnormal temperature rise, a voltage / current monitoring circuit for detecting the voltage fluctuation of the battery and identifying the risk of internal short circuit, and a multi-gas detector for detecting the CO / CO / H concentration and judging the initial decomposition reaction of the electrolyte. According to the invention, three-level early warning can be carried out at the potential risk stage of thermal runaway, the initial stage of thermal runaway and thermal runaway outbreak, so that early warning or fire-fighting treatment can be carried out in advance, and disaster expansion is avoided; the situation of false alarm caused by temperature rise in the battery charging process can be reduced, and the early warning accuracy of the system is improved.

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 discloses a multipurpose pen-shaped scanning proton beam detection device and method, and relates to the field of proton therapy detection.In the device, a mounting support is arranged on a machine head of a proton therapy machine and rotates along with a rotating rack of the proton therapy machine; the microstructure gas detector is used for measuring proton information; the detector and motion control part is used for receiving a detection instruction issued by the remote control center; driving the microstructure gas detector and / or the lead point to move to a preset position according to the detection instruction; collecting proton information corresponding to the preset position and transmitting the proton information to the remote control center; the detection instruction is determined according to detection requirements; and the remote control center is used for performing analysis based on the proton information to obtain a detection result. According to the invention, multiple measurements can be completed, one machine has multiple purposes, and the measurement precision can be ensured while the working efficiency is 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.

The invention discloses a gas detection performance testing device for automatic gas detection equipment and a use method of the gas detection performance testing device, which are applied to the field of detection performance testing of the gas detection equipment and aim at solving the problem that an existing equipment gas detection performance testing device cannot evaluate the minimum detectable concentration and the minimum distinguishable concentration of gas detector equipment. The detector performance of the gas detector cannot be reflected, and the performance of equipment cannot be evaluated scientifically and objectively; the gas detection performance testing device of the automatic gas detection equipment comprises a light source simulation system, a precise gas concentration measurement and control system, an optical collimation system, an image acquisition system and a gas detection performance system, targets in various gas concentration environments are effectively simulated through a precise gas concentration control target in the device, and the gas concentration detection unit and the gas concentration control unit are used for real-time measurement and feedback control of the gas concentration, so that the gas concentration can be stably adjusted in an extremely small range.

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 invention discloses an oil and gas detection robot, method and device and computer equipment, and relates to the technical field of detection. The oil gas detection robot comprises a robot body, a telescopic rod, a gas detector and a processor, the telescopic rod is fixed to the robot body, the direction of the telescopic rod is perpendicular to the ground, and the gas detector is fixed to the end, close to the ground, of the telescopic rod. And the robot body is used for advancing along the oil-gas detection route. And the telescopic rod is used for periodically lowering the position of the gas detector in the advancing process of the robot body. And the gas detector is used for detecting the gas concentration of the leaked oil product. And the processor is used for sending an alarm signal under the condition that the gas concentration meets the alarm condition.

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.

The invention is suitable for the technical field of data storage, and particularly relates to a data encryption storage method and system for gas detectors, and the method comprises the steps: obtaining the detection data of each gas detector according to a preset time interval, and obtaining a plurality of gas detector data packets; acquiring the data volume of each gas detector data packet, performing normalization processing, and constructing a first function; integrating the data packets of the gas detector, and outputting a storage sequence to obtain tail data; acquiring identity identification data, performing data conversion on the first function, and forming head data in combination with the identity identification data. According to the method, the data storage sequence is changed through the randomly generated function, the data of the plurality of gas detectors are mixed and stored together to realize encryption, and the required data can be quickly positioned by setting the head data and the tail data, so that the data storage and positioning efficiency is greatly improved, and the requirement on the computing power is low.

1. Name of the Design Product: Gas Detector (Wireless, Commercial). 2. Use of the Design Product: For detecting flammable, explosive, toxic and harmful gases. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view.

To enable improvements that accurately detect gas leaks using as few gas detectors as possible.SOLUTION: A cover for a gas detector mounted on a ceiling surface includes: a flat plate positioned along the ceiling surface and securing a gas detector; and a flange extending around the gas detector on the flat plate and sloping downward as it moves away from the gas detector. At least one of the flat plate and the flange is provided with a plurality of through holes, and the plurality of through holes are arranged to surround the gas detector.SELECTED DRAWING: Figure 3

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.

1. Name of the design product: Gas Detector (ART-D300PP). 2. Use of the design product: This design product is used to monitor gas concentration. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Stereogram.

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.

The invention provides a laser pulse energy stabilizing system and method and a laser type gas detector, and the system comprises a laser device which outputs initial pulse laser and has adjustable pulse energy; the first optical splitter is used for splitting the initial pulse into first pulse laser for detection and first pulse laser for working; the laser attenuator is used for carrying out attenuation processing on the received first working pulse laser and outputting attenuated pulse laser; the second optical splitter is used for splitting the attenuated pulse laser into second pulse laser for detection and second pulse laser for working; the pulse energy detection module is used for detecting first pulse energy of the first detection pulse laser and second pulse energy of the second detection pulse; and the control module is respectively connected with the laser and the laser attenuator and is used for regulating and controlling the pulse energy of the initial pulse laser output by the laser and the attenuation multiple of the laser attenuator, so that the pulse energy of the second working pulse laser is kept stable.