797 results about "Intrinsic safety" patented technology

The invention relates to the technical field of industrial equipment monitoring, and discloses a monorail crane lubrication on-line monitoring analysis system and method, and the system comprises a sensor module, a data processing and analysis module, a fault early warning module, a lubrication management optimization module, a data communication and display module, an oil path control module, and an electric power and connection module. The sensor module is used for collecting cleanliness, viscosity, water activity, moisture content, density and temperature of lubricating liquid of the hydraulic system of the monorail crane in real time; the sensor module comprises a sensor array, and the sensor array comprises a GYD12 mining intrinsic safety type multi-parameter oil liquid sensor, a temperature sensor, a pressure sensor, a flow sensor and a pollutant sensor. Through the data processing and analyzing module, the system can continuously track the state of lubricating oil, the timeliness of data is ensured, the dependence on manual inspection is greatly reduced, it is ensured that equipment can find and process abnormities in time in the operation process, and large faults caused by small problems are avoided.

The invention discloses a side-mounted vacuum circuit breaker ring main unit, which relates to the technical field of ring main units, and comprises a multi-source sensing module used for collecting and converting state parameters from equipment in the ring main unit and the environment of the ring main unit; the state fusion processing module is used for configuring rules according to a set sampling period and a threshold value; the intelligent auxiliary identification module is used for establishing a mapping relation between the multi-dimensional state parameters and the potential risk factors; the digital twin modeling module is used for constructing a virtual simulation model consistent with the ring main unit; the authority control and interlocking judgment module is used for fusing the state vector, the risk index value and the operator instruction parameter according to a preset authority strategy rule; the closed-loop control module comprises a control logic unit and a simulation verification unit and is configured to respond to the state event trigger signal, call a control instruction generation mechanism and call a virtual model to perform forward deduction on a control effect; according to the invention, the stability of equipment operation and the intrinsic safety level of operation are greatly improved.

The present invention relates to the field of power distribution technology, and in particular to an explosion-proof and intrinsically safe permanent magnet high-voltage vacuum distribution device for mine use, which includes a chassis and an explosion-proof box body. The explosion-proof box body is fixedly connected to the top of the chassis. A dust removal box is fixedly connected inside the chassis. A condensation box is provided at the top of the dust removal box. At least one ventilation channel is connected between the dust removal box and the condensation box. A filter screen arranged in a meandering path is provided inside the dust removal box. The filter screen slidably penetrates through the ventilation channel. The filter screen is used to filter dust and debris in the air passing through the ventilation channel. A driving component for driving the filter screen to move along the meandering path and a cleaning component for cleaning the filter screen are also provided inside the dust removal box. The driving component drives the filter screen to continuously move, and a rotary brush is used to clean the moving filter screen, so as to keep the filter screen clean and unobstructed, thereby ensuring smooth air circulation and heat dissipation effect.

The invention provides a coal mine underground MR safety training system, which comprises an intrinsically safe MR head display device, a multi-mode communication center module, a roadway environment sensing unit, a virtual-real fusion training engine and an intelligent evaluation system, and is characterized in that the intrinsically safe MR head display device comprises an annular distributed antenna array and a wide bandgap semiconductor circuit; the antenna is embedded in an anti-collision beam of the mining helmet, and intrinsic safety is achieved through dynamic power control; the multi-mode communication central module forms a dual-channel redundant architecture by an industrial Ethernet interface and a mining wireless unit, is internally provided with a dynamic routing chip, and automatically switches communication modes according to methane concentration and dust detection values to ensure low-delay and high-reliability transmission; the roadway environment sensing unit integrates a geological radar and a micro-seismic monitoring device, constructs a three-dimensional dynamic geological model in real time, and continuously updates roof displacement data.

The invention relates to a method and a circuit for accelerating suppression of transient energy of a mining intrinsic safety battery, and belongs to the field of mining intrinsic safety equipment. The circuit comprises at least two stages of cascaded protection modules, and each stage of protection module has the same circuit structure. Wherein the protection module comprises a current acquisition and comparison chip, a comparator, MOS (Metal Oxide Semiconductor) transistors Q1 and Q2, a voltage stabilizing diode and a resistor component. A protection circuit formed by at least two cascaded protection modules is arranged between an intrinsic safety type battery and mining equipment; and the output voltage and the output current of the intrinsic safety type battery are monitored in real time through the protection circuit. And if the output voltage or the output current is monitored to be abnormal, the connection between the intrinsic safety type battery and the mining equipment is quickly disconnected through the protection circuit, so that the instantaneous energy of the mining equipment is prevented from exceeding a dangerous value. The comparator can quickly act within about 15 microseconds to disconnect the mos tube, and the transient energy is controlled within 20 microseconds, which completely conforms to the specification.

The invention discloses a hanging basket motion control method and system based on operation state recognition, particularly relates to the technical field of bridge construction automation, and is used for solving the problem of poor synchronous control of hanging basket movement. According to the method, working conditions are accurately recognized through multi-source sensing data fusion and a finite-state machine, servo system parameter self-adaptive setting is achieved based on working condition parameter mapping, and an anti-interference movement track is generated by adopting a model prediction control algorithm fusing pose feedback and wind load feedforward; walking synchronization and platform stability are achieved through cross coupling control and posture closed-loop fine adjustment, emergency response is provided through the independent safety guarding thread, control and protection double closed loops are formed, and therefore the motion precision, the anti-interference capacity and the intrinsic safety level of the hanging basket under the variable-load and strong-disturbance working conditions are effectively improved, and the safety of the hanging basket is improved. And the energy consumption and the mechanical vibration frequency in the moving process of the hanging basket are reduced.

The invention discloses a scraper conveyor chain breakage fault monitoring system and a chain breakage interval positioning method, and belongs to the technical field of coal mine fully mechanized coal mining equipment. The system comprises a command programming system, a scraper distance sensor, a machine head distance sensor, a local signal base station box and a data processing system; the scraper distance sensors are numbered in two types, are mounted in end grooves of scrapers, and only interact with adjacent sensors of the same type; when the upstream sensor and the downstream sensor at the fault point detect that the distance is abnormally increased during chain breakage, data are transmitted to the data processing system in real time through the signal base station box, and shutdown locking is triggered; after shutdown, the machine head distance sensor is automatically started, the number of the scraper distance sensor closest to the broken chain side is recognized, and the category of a broken chain, the position of a chain groove and the interval of a support are accurately judged through calculation by combining preset parameters. According to the method, fault sudden stop intrinsic safety can be achieved, a secondary chain shooting accident is avoided, the chain breakage area is rapidly positioned, time consumed by manual troubleshooting is remarkably shortened, and production efficiency is comprehensively improved.

The invention discloses a thermal power plant limited space operation safety and environment multi-parameter monitoring system, and relates to the technical field of operation safety monitoring. A structure parameter model is constructed based on a space volume structure, a gas exchange path, a risk type and an operation position, and multi-parameter sensing nodes are configured; extracting abnormal fluctuation characteristics of the environmental parameters through edge computing nodes; a gas flow model and a heat distribution model are combined to carry out space-time inversion, a risk source is positioned, a space risk heat map is dynamically generated, the position and action state of an operator can be obtained in real time, the exposure probability is calculated, and automatic identification and graded early warning of a high-risk area are realized; the system has high-precision, low-delay and full-coverage monitoring capability, and the intrinsic safety of limited space operation of the thermal power plant is improved.

The utility model discloses an intrinsic safety power supply circuit and a fuel electrochemical oxygen analyzer. The intrinsic safety power supply circuit comprises a first MOS tube, a first capacitor, a second capacitor, a first resistor, a first Schottky diode, a first Zener diode and a second Zener diode, the power supply module of the fuel electrochemical oxygen analyzer comprises the intrinsic safety power supply circuit and further comprises a sensor module, an AD conversion module, a key module, a single chip microcomputer module, an analog output module and a display driving module which are connected with the power supply module, and the single chip microcomputer module is connected with the AD conversion module, the key module, the analog output module and the display driving module. The sensor module is connected with the AD conversion module, and the analog output module is connected with external equipment; the fuel electrochemical oxygen analyzer adopts the intrinsically safe power supply circuit to limit the working current and voltage in the circuit so as to control the power consumption of the whole machine, so that explosion prevention is realized, and the fuel electrochemical oxygen analyzer can measure the oxygen concentration in a flammable and explosive environment.

The invention discloses a day-ahead power generation plan optimization method considering thermal power uncertainty and risk measurement. The day-ahead power generation plan optimization method comprises the following steps: constructing a thermal power generating unit output uncertainty constraint; constructing a two-stage day-ahead power generation plan optimization model; the wind-light and thermal power output uncertain constraint is solved, and uncertain scene generation including wind-light uncertain scene and thermal power output uncertain scene generation and reduction is carried out; and solving the two-stage day-ahead power generation plan optimization model to obtain an optimal unit combination start-stop state and an output plan. According to the method, output uncertainty of renewable energy and a thermal power generating unit is fully considered, a thermal power generating unit output uncertainty constraint is constructed, an optimization model based on unit combination and standby decision is constructed, risk loss measurement is further combined, joint optimization is carried out on the optimization model, and the reliability of the optimization model is improved. And finally obtaining a day-ahead power generation plan which better meets the intrinsic safety requirement of the novel power system.

The invention discloses a mining intrinsic safety type steel wire rope non-contact magnetization detection integrated device, which relates to the technical field of steel wire rope magnetization sensor detection, and comprises a first detector shell, a second detector shell, a first permanent magnet, a second permanent magnet and two magnetic sensors, the first detector shells and the second detector shells are arranged in pairs, and the edges of the same sides of the first detector shells and the second detector shells are connected; according to the invention, the splitting of the two detector shells is not influenced, the steel wire rope can be easily put into any section of position of the steel wire rope, the magnetic field of the permanent magnet can still magnetize the steel wire rope when the steel wire rope is closed, and the position of the fixed wheel can be changed according to the diameter of the steel wire rope, so that the axis of the steel wire rope is located in the middle of the middle shield; the influence of the magnetic field on the steel wire rope or the electronic structure difference of the detected steel wire rope is consistent, and the accuracy of detecting the internal damage of the steel wire rope by the magnetic sensor is improved.

The invention discloses an amino mixed fuel explosion characteristic visualization and explosion suppression coordinated regulation and control system and method, and the system comprises an explosion suppression device which is disposed in a combustion chamber and is in communication connection with a holographic monitoring device and an explosion overpressure real-time prediction model. A graded explosion suppression scheme is set according to the safety early warning grade, so that active intervention of explosion suppression intensity and mode matched with combustion or explosion development stages with different intensities in the combustion cavity is implemented. Therefore, visualization of the mixed gas combustion and explosion dynamic process under the multi-parameter coupling condition can be achieved, and the comprehensiveness and reliability of combustion and explosion research are remarkably improved; through real-time monitoring and intelligent prediction of the explosion process, the explosion process in the device can be rapidly started, the explosion suppression response can be optimized, the explosion development can be suppressed, the integrity and operation safety of an experiment system can be guaranteed, and the intrinsic safety and the system protection capability of the experiment process can be effectively enhanced.

The invention relates to the technical field of plasma ignition, in particular to a split type plasma ignition device and ignition system for passivating gunpowder, which comprises an ignition tube assembly and an oscillation control assembly, the ignition tube assembly comprises an ignition tube, gunpowder and a hollow resonance coil; the oscillation control assembly comprises a coil support, an excitation coil and an oscillator circuit module. The excitation coil on the coil support is used for being matched with an insulation tube in an ignition tube in an inserted mode. An ignition pulse excites an oscillator circuit module to generate a high-frequency excitation signal, the high-frequency excitation signal is released by an excitation coil and coupled to a hollow resonance coil in an electromagnetic induction mode to form LC resonance, the LC resonance enables a discharge part to generate a high-intensity electric field, the high-intensity electric field excites plasmas on the surface of gunpowder to ignite the gunpowder, and ignition is completed. The device breaks through multiple limitations of a traditional ignition mode, and intrinsic safety and high reliability of passivation agent ignition are achieved.

The invention discloses a deep mine rockburst risk dynamic assessment and active prevention and control system, and relates to the technical field of rockburst risk assessment and prevention and control. Comprising a data acquisition module, a preprocessing module, a dynamic evaluation module, an active prevention and control decision module, a prevention and control execution module, a system monitoring and feedback module and a data storage and authority management module, is interacted through a mining intrinsic safety type communication network, adapts to underground working conditions and supports 24-hour operation; the data acquisition module deploys multiple types of monitoring equipment, and dynamically adjusts frequency encryption transmission; the preprocessing module filters noise and interpolates to ensure data integrity; the dynamic evaluation module updates the risk level in combination with indexes and algorithms; the decision-making module matches the prevention and control scheme and needs to be audited; the execution module is in butt joint with equipment control parameters; the monitoring module measures the state calculation effect; and the storage and authority module performs dual-backup, and performs hierarchical authorization trace leaving. According to the method, the problems of lag and low efficiency of traditional rockburst prevention and control are solved, evaluation accuracy and prevention and control efficiency are improved, risk closed-loop management is realized, safety and cost are balanced, and mining safety is guaranteed.

A solid-state circuit breaker comprises a sensing and control circuit configured to realize designed functions, a power electronics section that includes solid-state switching components for normal operations and a vacuum gap section that includes a sealed vacuum tube. The vacuum gap section is disposed in series with the power electronics section. The vacuum gap section is configured to open to interrupt a current such that the associated arcs are contained in the sealed vacuum tube.

The utility model provides a near-bit measurement-while-drilling nipple based on an eccentric water hole. The near-bit measurement-while-drilling nipple structurally comprises an outer pipe, an electronic bin framework, a wireless transmitting nipple, a battery assembly, a gamma measurement module, an inclination angle measurement module and a measurement circuit board. The electronic bin framework is fixed in the outer pipe, the battery assembly, the gamma module and the inclination angle module are annularly arranged, near-bit track and geological parameter measurement is achieved, and occupied space is reduced. One end of the wireless transmitting short section is connected with the outer pipe through straight threads, and the other end is connected to the screw motor through taper threads. The wireless transmitting short section transmits measurement data through wireless signals, and transmission of the measurement data across the screw motor is achieved. The intrinsic safety type circuit design ensures that the explosion-proof requirement of a coal mine is met. The device is compact in structure, meets the requirement of small-diameter drilling of a coal mine, and realizes high-precision and real-time measurement and stable data transmission.

The invention discloses a mining dust concentration monitoring and early warning method, and belongs to the technical field of coal mining, and the method comprises the following steps: data acquisition; a mine respirable dust concentration wireless sensor and a mine intrinsic safety type holder type infrared camera are used for collecting the dust concentration and the environment visibility in a mine respectively; processing and analyzing data; the mining intrinsic safety type wireless monitoring host processes the received data to obtain the dust concentration, and whether the dust falling device needs to be started or not is judged based on the dust concentration; if the dust concentration exceeds the preset range, the dust falling device is started until the obtained dust concentration is within the preset range; compared with the existing dust concentration monitoring means, the mine dust disaster monitoring system can realize dynamic perception, accurate early warning and intelligent management and control of mine dust disasters, introduces a real-time monitoring technology in order to timely discover and solve the problem that the dust concentration exceeds the standard by introducing intelligent and automatic technologies, and can also realize remote monitoring at the same time.

The invention relates to the technical field of shaft lifting system control, and discloses a shaft lifting system and method based on intelligent control. According to the system, an acquisition module collects an operation table signal and an acousto-optic annunciator state to obtain an operation instruction and equipment state data; the marking module adds a timestamp and constructs an intrinsic safety type distributed control topological structure; the input module sends the state data to the sensor network to identify the lifting state; the implementation module establishes a dependency graph to realize a horizontal forwarding locking function; the matching module performs feature extraction and fault identification; and the association module analyzes and processes the strategy and the process record, and outputs a parameter optimization value and a locking logic adjustment scheme. According to the application, the distributed control network is constructed, state analysis is realized in combination with the node link sensor network, and continuous improvement of system performance is realized through data-driven fault diagnosis and parameter optimization, so that the safety, reliability and operation efficiency of the mine hoisting system are remarkably improved.

The invention provides an electric leakage detection circuit of a mining DC intrinsic safety power supply system, the electric leakage detection circuit comprises a switch module and an AC mutual inductor, the switch module is used for converting a DC leakage current generated in a power supply line into a periodic pulse current through periodic on-off, and the AC mutual inductor is used for generating a mutual inductance current for the periodic pulse current. According to the electric leakage detection scheme provided by the invention, an alternating current mutual inductance element with low price can be used in a direct current power supply system, and the electric leakage detection scheme has the beneficial effects of good detection effect, simple structure, low cost and convenience in production, installation and debugging.

The invention provides a safe and stable section operation regulation and control method for a wind-thermal bundled delivery system and a related device, and provides a piecewise linear section pre-control method by analyzing system stability conditions in different operation modes according to off-line simulation calculation of massive operation modes. And when the current thermal power of the wind-thermal bundled sending-out system is smaller than or equal to the thermal power critical value, the constraint on the wind power is released, so that the output of the wind turbine generator is not constrained by the section pre-control requirement. And when the current thermal power is greater than the thermal power critical value, pre-controlling the wind-thermal bundled delivery system so as to adjust the operation power of each unit in the wind-thermal bundled delivery system to be in the safe and stable operation control domain to ensure that the N-1 transient state delivered by the system is stable. Therefore, the intrinsic safety of the system net rack under the background of large-scale new energy production can be ensured, and meanwhile, the problem that the regional sending-out capability is limited due to an excessively harsh N-1 section pre-control strategy is avoided.

The utility model discloses an explosion-proof and intrinsically safe frequency conversion speed regulation control box body for a digging and anchoring all-in-one machine, a main cavity and a wiring cavity are arranged in the box body, the main cavity is divided into a main control cavity, a frequency conversion cavity, a reactor cavity and a transformer cavity through cooling partition plates, and wire passing channels are arranged on the cooling partition plates. According to the utility model, a mainstream single control box or a control box body and a variable frequency speed regulation box body are integrated into a variable frequency speed regulation and control integrated box body, so that the control function is enhanced, and at the same time, the cable passing between the cavities inside the main cavity is realized. Cable connection between the electric control box bodies is greatly reduced, and fault points and installation workload are reduced.

The invention discloses a mining air volume monitoring and control system, which relates to the technical field of coal mine safety ventilation and comprises a plurality of intrinsically safe sensors, at least one group of intrinsically safe control boxes, a controller and a power supply, the GQQ5 smoke sensor is connected with the sensor through a flame-retardant communication cable for a coal mine or in an infrared correlation mode to realize data convergence and instruction issuing, and the at least one intrinsic safety type base station is connected with a ground control center through a communication optical cable to support TCP / IP protocol transmission monitoring data. Dust concentration response is dynamically analyzed in combination with the wind speed change trend, linkage control over wind speed and dust concentration is achieved, the opening degree of an air door can be automatically adjusted or a spraying device can be controlled according to the dust raising trend, the underground dust treatment effect is effectively improved, and the method has the advantages of being high in practicability and improving the automation level of ventilation dispatching.

The invention relates to the technical field of electric digital data processing and energy storage system safety control, in particular to an optical storage and charging integrated station energy storage system. Comprising a data acquisition module which is used for acquiring a state feature vector of an energy storage system, planned scheduling power of an upper-layer energy management system, an external power grid interference index, and a real-time safety state and an economic value index of a battery management system in real time; the risk assessment module is used for generating a predictive risk score; the decision threshold module is used for calculating a dynamic intervention threshold; the arbitration decision module is used for generating a negative sign; the instruction correction module is used for determining a derating factor in response to the override mark and generating a correction scheduling instruction; or when the negative sign is not generated, outputting the planned scheduling power as a corrected scheduling instruction. According to the invention, early warning and active prevention of the potential thermal runaway risk are realized, and the intrinsic safety level and the operation reliability of the system are obviously improved.

The invention discloses a metal dust explosion risk comprehensive index early warning method and system, and particularly relates to the technical field of metal dust. The method comprises the following steps: standardizing real-time dust environment data collected in a working site and standard dust data, generating a feature vector, calculating similarity, and identifying a potential abnormal state; processing temperature deviation characteristics and charge concentration fluctuation characteristics are further extracted, a multi-dimensional risk assessment model is constructed, a metal dust explosion risk comprehensive index is calculated by using a polynomial regression algorithm and is compared with a gradient risk threshold value, and multi-stage early warning signal triggering and linkage response control are realized; the method has a self-adaptive recognition capability on a novel or unknown dust state, the accuracy and response timeliness of risk early warning are remarkably improved, and the intrinsic safety guarantee capability of the system under a complex working condition is enhanced.

The invention relates to a coal mine underground intrinsic safety wireless charging type bionic visual inspection system and method.The system comprises a walking mechanism, a photoelectric pod, a charging module, an electrical control system, a sensing module, a charging cabin and a walking track, the walking mechanism is driven by symmetrically-arranged motors, and through cooperation of walking wheels, auxiliary wheels and a clamping device, the photoelectric pod is driven by the charging module; the inspection system can stably run on a walking track, the photoelectric pod can conduct pitching and rotation control so that the visual detection module can conduct all-dimensional and accurate monitoring on the surrounding environment, and the visual detection module comprises a visible light camera, an infrared camera, a laser radar and other sensor equipment. The sensing module comprises a laser dust sensor, an illuminance temperature and humidity sensor, a gas sensor and the like, the charging cabin is fixed on the inspection track, it can be ensured that the inspection robot is automatically charged in a closed environment, the inspection robot can adapt to complex environments such as an underground coal mine, comprehensive, real-time and accurate monitoring of the environment is achieved, and therefore the production safety performance is improved.

The utility model discloses an electro-hydraulic control system for a heading machine in the technical field of heading machines, which comprises a heading machine electric control box, a controller is arranged in an inner cavity of the heading machine electric control box, the controller is electrically connected with an industrial display, the controller is electrically connected with an electro-hydraulic proportional valve, and the electro-hydraulic proportional valve is electrically connected with the heading machine electric control box. The controller directly controls the electro-hydraulic proportional valve through can / canopen, the controller is electrically connected with an electro-hydraulic control operation box, an intrinsic safety operation box and a remote control receiver in sequence, and the remote control receiver is electrically connected with a remote control transmitter. A remote control transmitter, a remote control receiver and a controller placed in an electric cabinet are still adopted, a PWM driving module is arranged in the controller, the controller is connected with an electro-hydraulic proportional valve to achieve electro-hydraulic control, the controller needs one control line to drive each electromagnetic valve, installation is tedious, and the failure rate is high; and electro-hydraulic control is not expanded to an intrinsic safety operation box, so that the electro-hydraulic control is single in driving.

The invention discloses an automatic ore loading method of an unmanned electric locomotive. The method specifically comprises the steps that when an unmanned electric locomotive is driven into an ore drawing station and runs to a positioning position, an alignment device detects that alignment of a mine car and a vibration ore drawing machine is completed; confirming that the mine car and the vibratory ore drawing machine are successfully aligned through video AI analysis, braking after successful alignment, and sending out a first automatic ore loading request; starting the vibratory ore drawing machine to load ore to the mine car according to the material level condition; when foreign matter is detected, early warning is given out and pause is carried out, when it is detected that the ore lumpiness exceeds an early warning value, early warning information is given out, and otherwise ore loading continues; and the material level detection device detects the material level of the mine car in real time, when the material level reaches a set value, ore loading of the vibration ore drawing machine is stopped till all the mine cars are fully filled, ore loading is completed, and the unmanned electric locomotive is driven out of the ore drawing station. According to the method, both the mining electric locomotive and the vibration ore drawing machine do not need to be operated by personnel on site, so that less and unmanned on-site operation is realized, and the intrinsic safety of mine operation is improved.

The invention discloses an intrinsically safe mining explosion-proof electric control box, and relates to the technical field of electric control boxes, in particular to an intrinsically safe mining explosion-proof electric control box which comprises a box body, a sealing door is movably connected to the rear portion of the box body, sealing rubber strips are adhered to the inner edges and corners of the box body, sealing blocks are fixedly installed on the left side and the right side of the box body, and the sealing rubber strips are arranged on the sealing blocks. The upper portion, the lower portion, the front side and the rear side of the sealing block are fixedly sleeved with sealing sleeves correspondingly, guide blocks are fixedly sleeved with the sealing sleeves, and a middle sealing block is movably supported in the sealing door. According to the intrinsically safe mining explosion-proof electric cabinet, through arrangement of a current limiting sleeve, a pressure limiting and current limiting structure in the current limiting sleeve, cooperation of a middle sealing block, an inner side sealing block and an inner side one-way pipeline of an outer side sealing block, and arrangement of a sealing rubber strip, the intrinsically safe mining explosion-proof electric cabinet can be sealed after the box body is plugged in the use process; the oxygen content in the inner cavity of the box body is reduced in an auxiliary mode, inert gas is used for filling, fire explosion can be effectively avoided, and intrinsic safety is achieved.

The invention relates to a low-concentration gas intrinsically safe combustion device, which relates to the technical field of coal resource utilization and comprises a safe ignition unit, a multi-stage backfire prevention unit, a multi-blow-off prevention unit, a combustion chamber, a control unit and an explosion venting unit. The safety ignition unit adopts a staged ignition mode, and the 100% ignition success rate is achieved through a high-energy igniter and a combustion starter; the anti-backfire unit forms three-stage protection through a micro-channel, a quick shut-off valve and an anti-detonation flame arrester, and flame returning is blocked; the anti-blow-off unit is combined with a high-heat-insulation labyrinth type combustion chamber by means of the entrainment effect of a swirler and a flame retention module, so that flame is stable and does not break away; the control unit achieves automatic interlocking control through various sensors, and the explosion venting unit conducts directional explosion venting during overpressure. According to the device, the low-concentration gas with the concentration lower than 30% is subjected to intrinsic safety combustion, and the risks of backfire, blow-off and explosion can be avoided.

The invention discloses a coal mine intrinsic safety variable structure open space robot catastrophe detection system, which belongs to the technical field of catastrophe robots and comprises a coal mine intrinsic safety variable structure open space robot consisting of a rack unit, a rotor wing mechanism, a battery unit, a control unit, an airborne sensor unit and the like. The invention further discloses a coal mine intrinsic safety variable structure open space robot catastrophe detection method. The method comprises the steps of collecting underground coal mine disaster photos, making a data set, building a YOLO10m network model and building an underground coal mine catastrophe detection system. And finally, a YOLO10m algorithm is improved, a TSample module is constructed, an up-sampling module in the neck network is replaced, the number of model parameters is reduced, the operation load is reduced, and a low-illumination loss function is provided to optimize the detection precision of the network on the underground coal mine catastrophe, so that the underground coal mine fire, flood and roof catastrophe are detected in the underground coal mine low-illumination environment.