118 results about "Flame detector" patented technology

A flame detection system is disclosed. The flame detection system includes: an image capture unit configured to capture an image of a field of view (FOV); a flame detector configured to capture a first set of spectral band data and a second set of spectral band data; and a processor configured to classify the one or more images and the first set of spectral band data, assign a weight to each of the second set of spectral band data, receive a flame count for each of the second set of spectral band data, determine a weighted count for each of the flame counts, and determine a weighted count for each of the flame counts. A number of weighted counts exceeding its respective threshold is determined, and a flame is determined to be present within the FOV when the number is greater than or equal to a number threshold, and a flame is determined to be absent within the FOV when the number is less than the number threshold.

The invention belongs to the technical field of power equipment, and discloses an internal fire prevention and spontaneous combustion prevention integrated energy-saving power distribution control cabinet which comprises a power distribution cabinet, a sealing door and ventilation openings formed in the power distribution cabinet at equal intervals, and further comprises a pressure box installed at the top of a cavity of the power distribution cabinet and used for storing carbon dioxide, and an infrared flame detector and a visual sensor are fixedly mounted at the bottom of the pressure box. According to the scheme, when the infrared flame detector and the visual sensor are used for detecting that electric appliance elements in the power distribution cabinet are in fire, the electromagnet is powered off, the inner plate is pushed to move outwards under the action of pressure in the pressure box and the flow guide plate, and carbon dioxide sinks in the power distribution cabinet under the guidance of the inclined plane; and the carbon dioxide is adopted to replace a dry powder extinguishing agent, so that the protection effect of the device on electrical components in the power distribution cabinet is improved.

The invention discloses a gas turbine flame detector installation device and a light path determination method and system, and relates to the technical field of gas turbine safety monitoring and combustion diagnosis. The mounting device is connected with a combustion pressure cylinder and a flame tube through a displacement compensation assembly with a floating sealing structure, and can automatically absorb the thermal expansion difference between the combustion pressure cylinder and the flame tube and limit vibration disengagement so as to provide long-term stable support for a light guide tube; the invention relates to a light path determination method, which comprises the following steps: analyzing a combustion grading strategy, simulating and positioning a radiation core, primarily selecting a light path by taking a maximum coverage area as a criterion, carrying out dynamic space interference check, and finally outputting an accurate mounting position coordinate. The light path design method solves the dual technical problems that an experience-dependent light path design method is not accurate in the arrangement of the flame detector of the heavy-duty gas turbine, and the installation structure is damaged or the light path deviates easily due to thermal deformation.

This invention provides a smoke detection device for data centers. Due to the numerous lines in a data center, some lines or equipment may overheat and short-circuit, potentially generating smoke and igniting a fire. Therefore, it is crucial to detect smoke in the data center promptly and take timely protective measures. This smoke detection device for data centers includes a main body with an air outlet at the top and an air inlet at the bottom. The interior of the main body is divided into three annular channels: an outer channel, a middle channel, and an inner channel. Smoke sensors and gas sensors are installed sequentially from the outside to the inside of the outer and inner channels. The middle channel contains only a smoke sensor. Openings are provided between the outer and inner channels and the middle channel. Several circular openings are provided at the outlets of the outer and inner channels, each equipped with an electrically controlled valve. A flame detector is installed at the center of the bottom of the main body, and a main control device is installed at the center of the interior of the main body. This invention, through its multi-path detection structure and the use of various detectors, enables more accurate smoke detection.

A disposable forest fire detector, which mainly comprises a detection apparatus and a signal transceiving apparatus, wherein the detection apparatus comprises a trigger apparatus, a sound-producing apparatus, and an energy storage apparatus, the trigger apparatus being connected to the energy storage apparatus, and a sound-producing cavity being connected to the energy storage apparatus, and the trigger apparatus being used for triggering the energy storage apparatus to release energy that enables the sound-producing apparatus to operate. By means of using the detector, it is only necessary to widely cover a forest with sound-producing apparatuses for fire detection. After receiving signals, the signal transceiving apparatuses send the signals to a remote terminal of, for example, a fire command center, such that the detection of an entire fire can be completed. The sound-producing apparatus of the fire detector is small, light-weight, low-cost and environmentally friendly, and there is no need to deploy expensive smoke detectors or flame detectors.

The invention discloses a double-detector linkage automatic fire extinguishing control method and system for an outdoor charging place, and belongs to the technical field of fire safety. The system comprises a water source supply unit, a detection alarm unit, a control execution unit and a fire extinguishing spraying unit. A dual detection mechanism of the temperature sensing detector and the flame detector is adopted, only when the two detectors give an alarm at the same time, the input and output module judges that a fire behavior is real, and signals are synchronously distributed to the automatic control switch, the fire control room and the charging control cabinet. The system provides an automatic, remote and manual three-start mode to ensure the reliability; the charging control cabinet automatically cuts off a power supply to prevent electric shock after receiving the signal; the anti-freezing design that an underground cement pool is combined with an overflow valve emptying pipeline is adopted, and normal operation can be achieved in the environment of minus 35 DEG C. According to the invention, the risk of false alarm of a single detector is thoroughly eliminated, the response time does not exceed 30 seconds, and the technical problems of low fire detection accuracy, poor winter adaptability and lack of power linkage protection in an outdoor charging place are effectively solved.

The utility model provides a new energy automobile is with fire safety house, including the fire safety house for setting in parking stall, its characteristics are: the fire safety house one end's vehicle import and export place sets the gate that can open and close, the top of fire safety house body sets the water tank, and the water tank has the water inlet. The sidewall interval of fire safety house body is the sink, or sets up the separate sink in the inside or the outside of fire safety house body sidewall, and the water outlet of water tank connects the top of sink, and the bottom of sink is linked with the water flow export that sets up in the sidewall bottom of fire safety house, and sets up the drain that can open and close on the bottom surface of fire safety house. The upper portion or the bottom surface in the fire safety house body sets up the flame detector or / and temperature sensor, and the fire safety house body configuration controller, and the flame detector or / and temperature sensor are connected with controller. Can discover new energy automobile fire in time, and rapidly give new energy automobile cooling, and isolate with surrounding environment, prevent fire spreading, reduce property loss.

The application discloses a mobile fire detection system and method, and belongs to the technical field of fire detection. The system realizes over-distance accurate positioning and sub-pixel level precision. Through a unique "polynomial fitting + extreme value calculation" algorithm, the system can perform three times curve fitting on the signals of 2-3 detection units covered by the fire source imaging, and can analyze the sub-pixel level center coordinates by derivation. In combination with a preset coordinate mapping table, the fire source positioning precision can be improved to within 0.3 meters at a distance of 150 meters, and the specific tunnel post number and lane position can be accurately output, so that the limitation of the traditional detector that can only give an area alarm is completely changed. In terms of adaptability to complex environments, the application not only solves three major pain points of the traditional flame detector, i.e., positioning loss, weak anti-vibration and high false alarm rate, but also provides a complete set of high-reliability, intelligent and practical fire monitoring and emergency command tools for tunnel safety.

The invention discloses a fire detection method and system applying an infrared flame detector, and relates to the technical field of intelligent sensors. The detection method comprises the following steps: deploying a multi-mode collaborative sensing node network in a target area, and transmitting multi-source sensing data in real time; starting a compensation mode in an over-limit area of the carbon dioxide concentration, and judging whether an initial alarm signal is generated or not; when an initial alarm signal is received, synchronously acquiring multi-source sensing data in the same acquisition period, and triggering a secondary judgment mechanism; the technical key points are as follows: the operation of the scheme not only ensures that the fire extinguishing system is not mistakenly triggered due to CO2 thermoluminescence under a complex thermal working condition so as to ensure the continuity of production, but also greatly retains the response capability to real burst flames under the condition of not sacrificing the safety, so that the whole scheme can adapt to extreme working scenes.

The utility model provides a kind of modularization flame detection module based on pyroelectric principle, to solve the technical problems that existing flame detector cannot modularization design, structure is more complex, production and after-sales debugging are complicated.The utility model includes circuit board, and single-chip microcontroller, external output interface and at least two sensors are equipped on circuit board, and at least two sensors are connected with single-chip microcontroller respectively through a signal processing circuit, and external output interface is connected with single-chip microcontroller.The utility model modularization design and concentrate in a small size circuit board to the core circuit, separate component modularization, facilitate production test, save a lot of time for the production of complete machine, improve production efficiency;Modularization design makes production process more standardized and flow, reduces uncertainty and complexity in production;Shorten production cycle, improve efficiency, also save a lot of time for the research and development of complete machine;With specific function and interface, different specifications of product can be built.

The invention provides an anti-adhesion regeneration roller for asphalt recovery and a control method thereof, and the anti-adhesion regeneration roller comprises a base, a roller body is rotatably mounted on the base, and the roller body is divided into a plurality of heating areas along the axial direction; the multiple combustion assemblies are arranged at intervals in the axial direction of the barrel body and correspond to the heating areas one to one in position; the combustion assembly comprises a combustion cover arranged on the outer wall of the barrel in a sleeving mode, a combustion nozzle arranged at the bottom of the combustion cover, an opening degree adjusting valve arranged on a connecting pipeline of the combustion nozzle and the fuel supply equipment, a barrel wall temperature measuring device and a flame detector. The regeneration roller provided by the invention realizes uniform and stable control of the temperature of the roller wall through the axial partition design and independent and accurate adjustment of fuel supply to each area, so that the adhesion of high-mixing-amount RAP is effectively prevented, and the heat exchange efficiency and the production continuity are remarkably improved.

The utility model relates to a flame detector purging device, which is structurally characterized in that a flame detector is mounted in an outer protective cover, the detection end of the flame detector is aligned to the combustion flame direction of a boiler, the outer protective cover comprises a top cover and a stainless steel shell which are mutually connected, and a detection hole is formed in the side surface of the stainless steel shell and corresponds to the detection end of the flame detector; the top cover is provided with an air pipe connector and a flame detector connector, the flame detector is installed in the stainless steel shell through the flame detector connector, the air pipe connector is connected with one end of a purging air pipe, and the other end of the purging air pipe is externally connected with a micro air pump. The electric eyeshade has the advantages that the structural design is simple and reasonable, a common electric eyeshade in the prior art is designed into the electric eyeshade with the air purging function, and the electric eyeshade is externally connected with the micro air pump for purging, so that condensation can be effectively avoided, good light transmission of the flame detector in the flame detection direction can be ensured, and the problem that the boiler flame detector is interfered by condensate water or dust can be solved; and the boiler operation stability is improved.

This invention discloses a stable combustion control system based on a multi-dimensional furnace combustion measurement method, specifically relating to the field of furnace combustion measurement. This includes multi-dimensional sensor data acquisition, feature parameter quantification and extraction, combustion stability modeling, intelligent graded stable combustion control, iterative optimization of control effect, and dynamic evaluation of combustion state. Multi-dimensional sensor data acquisition involves synchronously acquiring data through an array of sensors. Feature parameter quantification and extraction involves preprocessing the acquired data to extract key feature parameters. Combustion stability modeling involves constructing a quantitative evaluation model of the combustion stability index based on the key feature parameters. Intelligent graded stable combustion control involves triggering a three-stage direct injection response mechanism for the fuel gun based on the combustion stability index, combined with an adaptive energy matching algorithm to dynamically adjust the stable combustion energy injection. This invention, through a multi-dimensional sensor array and feature extraction algorithm, achieves advanced identification of early combustion deterioration, solving the problem of lag in single flame detector monitoring.

The utility model relates to flame detector test technical field, concretely is a kind of flame detector testing device, including workbench and gas tank, the workbench is equipped with detection box, the detection box is equipped with sealing mechanism, ventilation mechanism, lighting mechanism, detector assembly mechanism and camera mechanism, the bottom of the workbench is equipped with support mechanism and drive motor, the inside bottom of the detection box is equipped with mounting groove, the mounting groove is equipped with bearing seat, the bearing seat is equipped with adjusting disc, the adjusting disc is equipped with burner, this structure is rotated by drive motor output end and drives adjusting disc, with the effect of bearing seat, adjusting disc can be stably rotated, to flexibly adjust the angle position of burner in detection box, lighting mechanism can conveniently simulate different light scenes, the performance of flame detector under complex light environment is comprehensively tested, and the accuracy of detection result is further improved.

1. Name of the product in this design: Flame Detector. 2. Purpose of this design: For use in flame detectors to detect flames. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application relates to the technical field of pulse flame detectors, and discloses a double-channel pulse flame detector which comprises a base, a clamping block is fixedly arranged at the upper end of the base, a heating assembly is movably arranged at the upper end of the base, the clamping block is clamped and fixed at the upper end of the heating assembly, a tail gas outlet part is fixedly arranged at the upper end of the heating assembly, the heating assembly comprises a bottom assembly, a rotating assembly and a top assembly, and the bottom assembly is clamped and fixed in the upper end groove of the base. The double-channel pulse flame detector structure with intermittent combustion is provided, the pulse flame with a certain frequency, the unique combustion chamber design and the unique ignition design make the detector have the effect of not being extinguished, the problem of the background noise of the continuously combusting flame is solved, the quenching effect is reduced as much as possible, the multi-element detection and the double-channel output structure are arranged, the selective detection of elements is realized, and the S / P, S / C or any two element signals can be simultaneously output.

The utility model discloses a testing device for detecting the performance of a flame detector by open fire, which relates to the field of flame detectors and comprises an open fire detector, a flame projector is mounted at the bottom of the open fire detector, a fire inlet pipeline is arranged in the open fire detector and is positioned at the top of the flame projector, and the flame detector is provided with a flame outlet. A combustion bin is arranged in the open fire detector, a fire collecting hole is formed in the top of the combustion bin, the end of the fire collecting hole is connected with a fire outlet pipeline, and a fire discharging hole is formed in the top of the open fire detector. According to the flame detector, the problem that the jetting direction of flames jetted by detection equipment of an existing flame detector is prone to being changed, and danger is caused to detection personnel is solved, the flames jetted by a flamethrower enter the combustion bin through the fire inlet pipeline, then the flames flow into the fire outlet pipeline through the fire gathering holes in the top, and the fire outlet pipeline is arranged to be in a circular ring shape; therefore, the path length of the flame flowing out of the fire outlet pipeline is increased, and the flame sprayed out of the fire discharging holes is reduced.

An alignment device for use with a flame detector having a field of view includes a body, a visualization system in connection with the body and including a light source positioned at a fixed position relative to the body, and an optics system including one or more optical elements which interact with a beam of light from the light source to project a pattern of light indicative of an area of the field of view of the flame detector for a determined distance from the flame detector. The indicated area of the field of view is larger than an area of a projection of the beam of light from the light source. The alignment device further includes a connector in connection with the body to place the alignment device in removable connection with the flame detector.

A flame detection system comprises an image capturing unit configured to capture images of a field of view (FOV), a flame detector configured to capture a first set of spectral band data and a second set of spectral band data, and a processor configured to classify the one or more images and first set of spectral band data, assign a weight to each second set of spectral band data, receive a flame count for each second set of spectral band data, determine a weighted count for each flame count, determine a quantity of weighted counts exceeding its respective threshold value, and determine that a flame exists within the FOV when the quantity is greater than or equal to a quantity threshold value, and determine that a flame does not exist within the FOV when the quantity is less than the quantity threshold value.

The invention discloses a multi-dimensional safety protection integrated layout method of a compact space water electrolysis hydrogen production system, and belongs to the technical field of hydrogen energy safety technology and dangerous environment equipment layout. A hydrogen production system is integrated in a container prying body, and the safety protection layout in the container prying body comprises a hydrogen detection subsystem, a flame detection subsystem and a gas fire extinguishing subsystem. Hydrogen detectors of the hydrogen detection subsystem are arranged right above hydrogen production module equipment, above a pipeline valve group and at the highest point in a container; a flame detector of the flame detection subsystem is arranged at a detection visual angle covering equipment area and forms an overlapped monitoring area; and the fire extinguishing agent coverage range of a fire extinguishing nozzle of the gas fire extinguishing subsystem is spatially associated with and covered by the monitoring areas of the hydrogen detector and the flame detector. The purposes of three-dimensional, non-blind area and systematization of safety protection are achieved.

The utility model relates to a composite flame detector capable of realizing adaptive variable gain, which comprises three infrared pyroelectric sensors, a variable gain amplification circuit, an ultraviolet photoelectric sensor, an ultraviolet control and feedback circuit, an MCU (Microprogrammed Control Unit) control module, a power supply module and a relay output module, the output end of each infrared pyroelectric sensor is connected with the variable gain amplification circuit, the output end of the variable gain amplification circuit is connected with the MCU control module, the output end of the MCU control module is connected with the relay output module, the ultraviolet control and feedback circuit is connected with the MCU control module, the ultraviolet photoelectric sensor is connected with the ultraviolet control and feedback circuit, and the relay output module is connected with the relay output module. And the output end of the power supply module is connected with the infrared pyroelectric sensor, the variable gain amplification circuit, the MCU control module and the relay output module. By adopting the composite flame detector capable of realizing the self-adaptive variable gain, the gain parameter can be adjusted through the MCU to adapt to the field environment, the detection distance is increased, and the anti-interference capability can also be improved at the same time.

The embodiment of the utility model provides an infrared light detection system for petroleum and petrochemical fires, and relates to the technical field of petrochemical engineering and fire fighting. The system comprises a sound-light alarm unit and an infrared detection dry powder fire extinguishing unit, wherein the infrared detection dry powder fire extinguishing unit comprises a trigger judgment device and a fire extinguishing tank which are connected with each other; wherein a dry powder extinguishing agent is stored in the fire extinguishing tank, the trigger judgment device comprises an infrared flame detector, a judgment unit and a trigger actuator which are connected in sequence, and the trigger actuator is connected with the fire extinguishing tank and the sound-light alarm unit; and the trigger judgment device is used for collecting flame infrared characteristics, controlling the fire extinguishing tank to spray a dry powder fire extinguishing agent and controlling the sound-light alarm unit to send out a sound-light alarm signal. The system aims at small-space fire disasters in the petrochemical industry field, especially alkyl aluminum fire disasters, can realize rapid fire extinguishing, mainly adopts infrared light detection, and is simple and convenient to install and maintain.

The utility model discloses an automatic spraying system for a human cabin, and particularly relates to the technical field of fire-fighting spraying systems, the automatic spraying system comprises a fire-fighting pipeline positioned in a shield tunneling machine and spraying pipes positioned in a main cabin and an auxiliary cabin, a manual ball valve and an electric ball valve are mounted on the fire-fighting pipeline in parallel, and the fire-fighting pipeline extends into the main cabin and the auxiliary cabin respectively; the fire-fighting pipeline is communicated with the corresponding spraying pipe, a plurality of wide-angle nozzles are mounted on the spraying pipe, a smoke sensor is arranged on one side of the spraying pipe, a temperature sensor is arranged on one side of the smoke sensor, and a flame detector is arranged on one side of the temperature sensor. According to the utility model, the fire in the cabin can be comprehensively monitored in real time, the purpose of automatic spraying is achieved, the safety of operators in the cabin is ensured, the probability of pipeline blockage can be avoided, and the spraying effect is improved.

The invention relates to an oil and gas field test open flow intelligent ignition system and an ignition control method thereof.The ignition system comprises a combustion cylinder, an ever-burning flame combustor, a main combustor, a movable ignition gun, a flame detector, an ever-burning flame oil tank cabinet, a main flame oil tank cabinet, an electric control cabinet and an electric control moving device used in cooperation with the movable ignition gun; the long open fire combustor can continuously combust with small fire; the electric control cabinet is in control connection with the flame detector, the main flame oil tank cabinet, the movable ignition gun and the electric control moving device, and when the flame detector monitors that flames are extinguished, the electric control cabinet controls the electric control moving device to convey the movable ignition gun to the main combustor and then controls the movable ignition gun to be matched with the main combustor to achieve large flame ignition; when the flame detector monitors flames, the electric control cabinet controls the power supply of the movable ignition gun to be closed, fuel oil and high-pressure gas are stopped from being supplied to the main combustor, and then the electric control moving device is controlled to return the movable ignition gun to a safe area. The device is suitable for the working condition that the well drilling yield needs to be subjected to blowout testing.

The invention discloses an open fire monitoring device based on AI video analysis, and belongs to the technical field of video monitoring. Comprising a control device and a video monitoring module connected with the control device. The control device comprises a controller, and an image processing module, an alarm system, a video monitoring system, a temperature sensor, a smoke sensor and an ultraviolet sensor which are connected with the controller; according to the video monitoring module, a first mounting base is arranged on one side of the lower portion of the control device, a rotating base is movably connected to the lower portion of the first mounting base, and a monitor is connected to the lower portion of the rotating base; a second mounting seat is arranged on the other side below the control device, and a thermal imaging camera is arranged below the second mounting seat; an open fire detector and a smoke alarm are arranged in the middle of the lower portion of the control device. According to the system, fire disasters can be found in time, fire early warning can be carried out, fire behaviors can be analyzed according to monitoring conditions, rescue personnel can make corresponding rescue measures, and heavy losses are avoided.

The invention relates to an ion flame detection incandescent light and a combustor. The ion flame detection incandescent light comprises an incandescent light gun, a flame tube, an ion flame detector and a protective tube. The incandescent light gun comprises a main gun barrel, a gas inlet nozzle and a gas nozzle are arranged at the two ends of the main gun barrel respectively, and the main gun barrel is arranged on an integrated connecting plate. The flame tube and the main gun barrel are coaxially arranged, one end of the flame tube is connected to the gas nozzle, the other end of the flame tube is open to form a fire outlet, and a spray hole of the gas nozzle is formed in the flame tube; the ion flame detector and the incandescent light gun are arranged on the integrated connecting plate side by side; the upper end of the protective tube is closed and communicated with the flame tube, and a probe of the ion flame detector penetrates through the lower end of the protective tube and is arranged in the protective tube, so that the probe of the ion flame detector is located at the position where the temperature is relatively slow and the flame of the incandescent light can be detected, and therefore the service life of the ion flame detector is prolonged. And the equipment overhaul, maintenance or replacement cost is reduced.

A flame monitoring system is disclosed. The flame monitoring system comprises a flame detector configured to sense an infrared energy (E) emitted by a flame, an image capturing device, and at least one processor. The at least one processor is configured to determine an area (A) of the flame based at least on a first distance (d1) between the flame and the flame detector, a predefined flame constant (k), and the infrared energy (E); determine a second distance (d2) between the flame and the flame detector based at least on parameters associated with the image capturing device and (A); determine a difference between the first distance (d1) and the second distance (d2); and in an instance in which the difference between the first distance (d1) and the second distance (d2) is less than or equal to a threshold value, validate the area (A) as an actual area of the flame.

The utility model relates to a coke oven collecting pipe raw coal gas automatic diffusion ignition control system, including the collecting pipe, the lateral wall of collecting pipe is connected with the diffusion pipe, its characterized in that, the diffusion pipe is equipped with torch burner away from the one end of collecting pipe, be equipped with the first igniter at torch burner, the first igniter is connected with the controller, the collecting pipe is equipped with a plurality of pressure transmitter for detecting the gas pressure in collecting pipe along the length direction of collecting pipe, the controller is connected with pressure transmitter. The utility model sets up a plurality of pressure transmitter to detect the gas pressure at a plurality of positions in collecting pipe, ensure the accuracy of detection, effectively prevent the misoperation of controller control caused by the pressure fluctuation in collecting pipe, influence the diffusion of raw coal gas, set up the flame detector to monitor the flame of torch burner, ensure ignition success, prevent ignition failure, simple structure, convenient mode of use.

The invention discloses a small fire detection and fire extinguishing system developed based on a single-chip microcomputer, and relates to the technical field of fire extinguishing systems, the small fire detection and fire extinguishing system comprises a control device, a detection device and a gas fire extinguishing device, the control device is a fire control module, the detection device comprises a plurality of flame detectors, and the gas fire extinguishing device comprises a gas assembly and a pipeline accessory. The fire-fighting control module receives power supplied by an external power supply, provides a power supply for the detection device and the gas fire extinguishing device, and monitors an electromagnetic starter circuit and fire extinguishing starting of the gas fire extinguishing device, and the detection device transmits a fire alarm signal of a protection area and a fault signal of a detector to the fire-fighting control module through a passive contact; the gas fire extinguishing device is used for gas storage and fire extinguishing. The fire extinguishing system achieves automatic fire extinguishing and state monitoring through multiple safety mechanisms, intelligent control logic and reliable fire extinguishing execution capacity, and the automation level of fire prevention and control in a small protection area is effectively improved.

A flame detection system is disclosed. The flame detection system comprises one or more processors coupled to at least one flame detector and at least one image capturing device. The one or more processors identify a location of a flame by determining a base Y-coordinate, a tip Y-coordinate, a left-most X-coordinate, and a right-most X-coordinate of the plurality of pixels associated with the flame; determining that the base Y-coordinate of a most current image of the sequence of images varies less than a predefined limit of height of the flame; and determining that the tip Y-coordinate of the most current image of the sequence of images varies more than the predefined limit of height of the flame, or the left-most X-coordinate or the right-most X coordinate of the most current image of the sequence of images varies more than a predefined limit of width of the flame.