1235results about "Counting mechanisms/objects" patented technology

The invention provides a dust concentration monitoring and treatment method and system for an intelligent furniture production workshop, and relates to the technical field of intelligent furniture, and the method comprises the steps: collecting workshop dust concentration data through arranging a sensor, building a workshop dust concentration distribution three-dimensional model through employing a convolutional neural network, predicting the dust concentrations of different regions and different time periods, and obtaining the dust concentration of the workshop. And according to a prediction result, dividing dust danger level areas. And when the dust concentration exceeds the standard, generating early warning information and sending the early warning information to a manager terminal. And the control center determines the treatment priority according to the dust concentration distribution three-dimensional model, controls the ventilation system and the movable dust removal device to perform graded filtration, optimizes the three-dimensional model on line according to the real-time dust concentration data, and adjusts the treatment strategy. According to the invention, precise monitoring and efficient treatment of workshop dust concentration are realized, dust harm is reduced, and health of workers is guaranteed.

An inhaler includes a main body having a canister housing, a medicament canister retained in a central outlet port of the canister housing, and a dose counter having an actuation member for operation by movement of the medicament canister. The canister housing has an inner wall, and a first inner wall canister support formation extending inwardly from a main surface of the inner wall. The canister housing has a longitudinal axis X which passes through the center of the central outlet port. The first inner wall canister support formation, the actuation member, and the central outlet port lie in a common plane coincident with the longitudinal axis X such that the first inner wall canister support formation protects against unwanted actuation of the dose counter by reducing rocking of the medicament canister relative to the main body of the inhaler.

The invention discloses a foundation bearing capacity detection device, and belongs to the technical field of constructional engineering, the foundation bearing capacity detection device comprises a base, a hammering assembly used for hammering, a detection assembly used for detecting foundation bearing and an electronic counter, the top of the base is fixedly connected with a vertical plate, and the top of the top plate is provided with a driving assembly; the hammering assembly is arranged on the vertical plate, the detection assembly is arranged on the vertical plate, and a connecting assembly is arranged between the hammering assembly and the detection assembly; through the action of the driving assembly, ascending or descending of the hammering assembly is controlled, through cooperative use of the hammering assembly and the detection assembly, the bearing capacity of a foundation is detected, impact force is converted into an electric signal, and the corresponding hammering frequency is recorded through the action of the electronic counter; therefore, the possible problems of missing recording, wrong recording and the like are avoided, the recording accuracy and reliability of the number of hammering times are improved, and a powerful guarantee is provided for accurate detection of the bearing capacity of the foundation.

The invention relates to the technical field of intelligent prevention and control of agricultural pests, in particular to a monitoring, trapping and killing method for field fruit fly pests, and adopts the technical scheme that the top is fixed through an adjustable hook, the pests are attracted by a food attractant to be in contact with an annular pulse power grid, the shot-down pests enter a pest receiving device through a funnel, and the quantity is counted in real time by an infrared counter; the adjustable hook is provided with an anti-rotation buckle structure, the tail end of the anti-rotation buckle structure is integrated with a spiral anti-bird thorn, the hanging stability is improved, a solar panel is adopted for automatically tracking illumination, the electricity utilization cost is saved, and potential safety hazards are reduced; a food attractant constant-temperature slow-release system is constructed through a PTC constant-temperature heating piece, the optimal volatilization temperature is maintained, the trapping and killing efficiency is improved, real-time analysis and remote transmission of insect situation data are supported through an environment sensor and an edge calculation algorithm, and the problems that a traditional trap is low in efficiency, high in mistaken trapping rate, lagged in data feedback and the like are solved. The method is suitable for precise monitoring and green prevention and control of field fruit flies.

The invention relates to the technical field of sensors, and discloses a product counting method and system based on a production line, and the method comprises the steps: collecting an on-off signal when a target product passes through a sensor, building a sensor state array to record the on-off signal of the sensor, determining a sensor serial number corresponding to each sensor, and recording the on-off signal of the target product; and according to the sensor state array, judging whether each sensor sequentially acquires complete on-off signals according to the sensor serial number, when each sensor sequentially acquires the complete on-off signals according to the sensor serial number, determining that the target product is a single workpiece and counting, otherwise, detecting an abnormal sensor, and switching to a redundancy counting mode according to the abnormal sensor so as to count the target products. According to the invention, the method can improve the statistical counting precision of the production line, improves the anti-interference capability of the statistical counting of the production line, improves the counting stability, and reduces the maintenance and management cost of the production line.

The belt-type mobile loader disclosed in the present invention relates to the technical field of transportation equipment; it includes a frame 13, a transportation device, a lifting device and a moving device; the moving device includes a pair of universal wheels 6 and a pair of running wheels 25; the lifting device includes a hydraulic station 16, an oil pipe assembly and two identical lifting cylinder assemblies; A. the universal wheels 6 and the running wheels 25 are respectively installed at the lower position of the front part of the transportation device and the rear end of the frame 13; B. the lower position of the front rear of the transportation device is rotatably hingedly connected to the front end of the frame 13. It has the characteristics of simple and compact structure, convenient use, good stability, safety and reliability, etc. It can be used for the transportation of agricultural and sideline products such as kelp, tobacco leaves, beets, dried hemp, industrial products, semi-finished products and luggage, and is suitable for use in factories, shopping malls, stations, docks and agricultural and sideline products purchasing sites.

The invention relates to the technical field of chip statistical counting, and discloses a statistical counting chip and a statistical counting method, and the chip comprises a statistical module which comprises at least one statistical unit, and each statistical unit comprises a preset number of counters; the cache module is used for storing the statistical count value of each counter; and the statistical processing module is used for sequentially polling each counter, reading the counting value of the current counter when polling the current counter, obtaining the statistical counting value corresponding to the current counter from the cache module, and writing the sum of the statistical counting value and the counting value back to the cache module after calculating the sum of the statistical counting value and the counting value so as to update the statistical counting value of the current counter. And the counting value in the current counter is reset. Through a counter + ram resource hybrid statistics architecture, resource consumption caused by counter resources with large bit width can be greatly reduced, statistical performance is not lost, EDA layout and wiring are facilitated, and a large number of statistical counting time sequences are easier to converge.

The invention provides a motor ripple counting method and device, equipment and a storage medium. The method comprises the following steps: reading sequence data of M ripple periods from a starting point of a pre-acquired motor ripple sampling sequence according to an initial single period value and a sampling period value of a ripple analog-to-digital converter, taking the sequence data as a processing sequence, carrying out correlation transformation according to a corresponding local sequence, and according to a prediction period of the pre-predicted processing sequence, carrying out correlation transformation on the processed sequence; and determining a target algorithm and a measuring point set, calculating to obtain an upper peak position corresponding to the related transformation sequence based on the measuring point set and the target algorithm, further determining the number of ripples of the processing sequence, performing accumulative counting, and starting from a new starting point position according to a time sequence, repeating the steps until the motor ripple sampling sequence is processed. Through the above method, ripple counting is performed on the motor ripple sampling sequence based on the measuring point set, the calculation amount is reduced, the accuracy is improved, and the influence of serious distortion and noise is avoided.

The utility model discloses an integral feeding reinforcing steel bar storage rack which comprises a storage rack body, high rails are arranged on the two sides of the short edge of the storage rack body, a transfer rack is arranged on one side of the long edge of the storage rack body, and the two rails are connected with a reinforcing steel bar grabbing assembly and a counting grabbing assembly in a sliding mode. The counting and grabbing assembly is further connected with a straightening-out assembly. The reinforcing steel bar grabbing assembly is used for grabbing and placing reinforcing steel bars on the transfer material frame to different positions on the storage material frame; the counting and grabbing assembly is used for grabbing a predicted number of steel bars on the storage rack; and the straightening assembly is used for straightening the steel bars grabbed by the counting and grabbing assembly.

The invention relates to the technical field of yield control, in particular to a neutron generator yield control method and system. The method comprises the following steps: establishing a polynomial model by using historical yield data to predict a target efficiency attenuation factor; dynamically determining neutron event boundaries in the pulse integral value and the pulse width two-dimensional characteristics based on the attenuation factor, and counting the neutron event boundaries; the yield deviation and the change rate are calculated, and when the deviation exceeds a threshold value, feedforward compensation is carried out on the target yield; and selecting a three-dimensional lookup table, an input deviation, a change rate and a current high voltage according to the interval to which the attenuation factor belongs, and cooperatively determining the adjustment amount of the ion source current and the accelerator high voltage. According to the scheme, the measurement and control problems caused by aging of the target piece can be solved, and the precision, the response speed and the long-term stability of yield control are improved.

The invention provides a seawater chlorophyll a concentration three-dimensional remote sensing detection method, medium, equipment and product, and relates to the technical field of ocean remote sensing. The method comprises the following steps: acquiring satellite remote sensing data and photon counting laser radar data of a to-be-detected area; obtaining a seawater chlorophyll a concentration profile based on the diffusion attenuation coefficient; the method comprises the following steps: constructing an improved VGGNet model which comprises a multi-branch VGGNet, replacing standard convolution in the VGGNet with depth separable convolution, and introducing an SE attention mechanism into a backbone network; the time and position variables, the satellite remote sensing data, the photon density, the backscattering coefficient, the diffusion attenuation coefficient and the water depth serve as input variables of the model, the seawater chlorophyll a concentration profile serves as a target variable, and the model is trained; and inputting new satellite remote sensing data into the trained model to generate three-dimensional distribution prediction of the seawater chlorophyll a concentration. The method can better extract the features in the data, improves the prediction precision of the model, and is suitable for a complex water body environment.

The invention discloses a multi-channel seed counting monitoring system based on data fusion, which is applied to the technical field of automatic seed counting of seed metering devices, and comprises a seed flow dispersion structure, a photoelectric sensor and a signal processing module, the signal processing module is used for processing output signals acquired by the photoelectric sensor from each seed monitoring channel, the method specifically comprises the following steps: determining a seed passing event based on digital signal level change of each seed monitoring channel, and updating a counter in combination with an event triggering interval threshold value to obtain a total seed count; in each time step length, performing state prediction by using an unscented Kalman filtering algorithm, generating Sigma points, propagating the Sigma points by using a system model, calculating a mean value and a covariance of a prediction state, and updating state estimation by combining the propagated Sigma points converted by an observation model; and adjusting the count of the seed monitoring channel and the total seed count based on the updated state estimation, and updating the counter. The seed counting accuracy is improved.

The utility model relates to the technical field of radiation detection and measurement, and discloses a neutron bubble detector counting device, which comprises a neutron bubble detector used for forming bubbles matched with neutron radiation dose; the supporting module is used for bearing the neutron bubble detector and controlling the neutron bubble detector to rotate circumferentially; the backlight module is used for providing a backlight source for the neutron bubble detector; and the imaging module is arranged opposite to the backlight module, enables the neutron bubble detector to be located between the backlight module and the imaging module, and is used for imaging of the neutron bubble detector, so that bubble counting is facilitated. Through optical-mechanical linkage design, under the condition that complex algorithm preprocessing does not need to be introduced, native enhanced collection of bubble physical characteristics is achieved, a reliable data basis is established for follow-up automatic counting, and meanwhile a data basis is provided for follow-up data tracing and auditing.

The invention discloses an easy-open lid accurate counting device and method, the device comprises a chute, a photoelectric sensor and a gland assembly, and the gland assembly comprises a gland block, an optical axis, a spring and a pulse air source assembly; a directional separation spraying hole is formed in the bottom of the cover pressing block, when high-pressure gas conveyed by the pulse gas source assembly is sprayed out from the directional separation spraying hole, thrust towards the photoelectric sensor is applied to the to-be-counted easy-to-pull covers, and the easy-to-pull covers are pushed to enter a counting area one by one for counting; and the counter-acting force generated by gas injection drives the cover pressing block to move upwards along the optical axis, the spring is compressed, and therefore the adjacent clamped easy-to-pull covers are separated through the knocking force. According to the technical scheme, the directional separation spraying holes are matched with the pulse air source, the functions of air injection cover pushing and counter-acting force knocking separation are achieved at the same time, the clamping problem of the adjacent easy-to-pull covers is effectively solved, it is ensured that the easy-to-pull covers pass through the counting area one by one, and the counting precision is remarkably improved.

A countable and testable terminal machine, comprising a base (10), a terminal machine body (20) arranged at the top of the base (10), a discharging mechanism (30) and a carrier (60). The countable and testable terminal machine further comprises a main counting mechanism (40) and a testing mechanism (50), wherein the main counting mechanism (40), combined with a pressing action of the terminal machine body (20), counts the total number of times of pressing in a mechanical trigger manner, the testing mechanism (50), combined with the pressing action of the terminal machine body (20), forms a closed loop for testing and second-round counting, a sub-counting mechanism (80) is provided on the discharging mechanism (30), and the sub-counting mechanism (80), combined with a discharging action of the discharging mechanism (30), performs third-round counting, such that the number of terminals processed is accurately counted. The terminal machine not only counts more accurately, but can also obtain the good product count and defective product count, separately by means of testing, with better practical effect.

The invention discloses a sewing machine automatic counting device based on a WIFI wireless network. The sewing machine automatic counting device comprises a power supply module, a WIFI communication module and a counting detection circuit. The power supply module is connected with the WIFI communication module, the WIFI communication module is connected with the counting detection circuit, and two divider resistors in the counting detection circuit carry out voltage division and reduction processing on high voltage signals generated when the sewing machine works so that the WIFI module can detect the high voltage signals conveniently. The counting detection circuit outputs the state detection signal to the WIFI communication module, and the WIFI communication module counts the working times of the sewing machine by counting the high-low level change times of the received state detection signal. The WIFI communication module uploads the counted number of times to a cloud or a server according to a certain frequency through a wireless network technology, and remote monitoring and management of the sewing machine are achieved.

The invention discloses a flexible harvesting device, which comprises a driving assembly, a driving assembly, a driving assembly, a driving assembly and a driving assembly, and is characterized in that the driving assembly is provided with a driving output end; the movable sleeve assembly is arranged at the driving output end, and the movable sleeve assembly can axially move at the driving output end under the action of the driving assembly; the two connecting rod assemblies are respectively arranged on two opposite sides of the movable sleeve assembly; the two defoliating knife assemblies are connected to the movable sleeve assembly through the connecting rod assemblies respectively, each defoliating knife assembly comprises a defoliating knife and a miniature pressure sensor connected to the defoliating knife, the miniature pressure sensors are electrically connected with the driving assembly, and flexible harvesting is achieved by controlling constant clamping force. And the leaf removing cutter assembly can realize the opening and closing actions of the leaf removing cutter along with the axial movement of the movable sleeve assembly. According to the invention, flexible and quantity-controllable harvesting of crop leaves can be realized.

The utility model discloses a diode counting device, and relates to the technical field of semiconductor power devices. The device comprises an operation table, the bottom of the operation table is rotationally connected with pulleys and connected with supporting legs, the operation table further comprises a linear sweeping mechanism and a linear sweeping discharging mechanism, and the linear sweeping mechanism is used for providing a light source; the line scanning discharging mechanism is used for discharging the diodes, and the diodes fall into the inner box through the funnel mechanism after being counted by the width display line scanning camera. The counting device is convenient to count and reliable to operate.

A counting unit is provided for use in an electrical device. The counting unit is configured to count a thermal event such as an autoclave cleaning operation when the electrical device is not electrically powered. In one aspect, the counting unit includes a rotary member and an actuator, the actuator is configured to change shape from a first configuration to a second configuration when subjected to a predetermined temperature, wherein in the second configuration, the actuator engages the rotary member so as to rotate the rotary member. In another aspect, the counting unit includes a plunger, a drive and a heat resistant arm configured to release the plunger during a thermal event and retain the plunger when the electrical device is cooled down.

The utility model relates to the field of statistical equipment, and discloses a random sampling device for statistics, which comprises a first disc body with an upward opening and a column body, the bottom of the first disc body is fixedly connected with the column body, the top surface of the first disc body is provided with a through hole, a sphere is placed in the first disc body, the diameter of the sphere is smaller than that of the through hole, and the through hole is communicated with the through hole. The inner side wall of the first disc body is fixedly connected with an annular pipe, the inner side of the annular pipe communicates with a nozzle, an air pump is fixed to one side of the first disc body, and the air outlet end of the air pump is connected with the annular pipe through an air pipe. The novel ball body rolls under the action of gas flow, so that the ball body falls off through a certain through hole in the moving process, the operation is repeated, the number of times that the ball body falls off through each through hole is recorded, statistics is completed, and the number of the ball bodies placed in the first disc body is changed, and initial conditions of random sampling are changed. The device is used for simulating random sampling under more conditions, so that the application range of the device is widened.

The invention discloses a piston pushing centrifugal machine pushing frequency detection device which comprises a pushing probe, the pushing probe is arranged in the axis of an oil return channel, one end of the pushing probe is provided with an induction convex ring, the pushing probe is in threaded connection with the tail end of a push rod, and the induction convex ring is arranged on a circular ring of the threaded connection part of the pushing probe. A rib plate is arranged in the diameter direction of the circular ring, and the slender rod of the sensing convex ring is connected with the circular ring through the rib plate. And two fan-shaped spaces are arranged on two sides of the rib plate of the threaded connection part of the material pushing probe and are communicated with an oil return hole in the center of the push rod to form an oil return channel. The material pushing probe and the push rod synchronously rotate at a high speed and axially move back and forth, the detection of the material pushing movement of the piston material pushing centrifugal machine is solved through the material pushing probe designed to be completely sealed on the axis of the oil return channel, and due to the fact that the probe is sealed in the oil return channel rotating at a high speed, a complex sealing structure does not need to be designed; sealing of the detection device can be realized through threaded connection of the sensor and the end part.

The present invention provides an intelligent calculation method for the number of poultry, including obtaining a radio frequency reader to read the radio frequency chip built into the foot ring of the poultry in the roosting cage when the poultry has not left the roosting cage, thereby obtaining a corresponding first radio frequency code; determining the original number of poultry before leaving the roosting cage according to the number of the first radio frequency code; when the poultry enters the roosting cage after completing activities in the activity field in the breeding base, obtaining a radio frequency reader to read the radio frequency chip built into the foot ring of the poultry during the entry process, thereby obtaining a corresponding second radio frequency code; determining the current number of poultry entering the roosting cage after completing activities in the activity field in the breeding base according to the number of the second radio frequency code, if the current number of poultry is the same as the original number of poultry, it is determined that all the poultry have returned to the roosting cage, and no poultry is lost. The present invention provides an intelligent calculation method for the number of poultry, which improves the calculation accuracy and efficiency of the number of poultry and saves labor costs.

The invention discloses a lossless counting method and device for tablets in a medicine bottle based on acoustic analysis and a machine learning model. The device comprises a sound acquisition module, a signal analysis module and a result playback module. The method comprises the following steps: 1, collecting several common types of medicines, and recording sounds generated when the medicines shake in a medicine box; 2, processing the sound data; 3, training a machine learning model by using the processed data; 4, adjusting the initial parameters and repeating the above steps: when the blind person needs to use, using the lossless counting device to shake and collect sound signals; 6, calculating the standard deviation under each large class and quantity; 7, searching a group with the minimum standard deviation, wherein the quantity of the medicines of the type is the required quantity; 8, the blind person is informed of the remaining amount of traditional Chinese medicine in the box through a sounding device. According to the method, the quantity of the medicines left in the medicine bottle can be effectively judged by utilizing a machine learning method and a prepared model library.

The invention belongs to the technical field of automatic monitoring of welding equipment, and discloses a welding machine counting and welding omission prevention monitoring system, which comprises a data acquisition module for performing multi-channel parallel acquisition on welding operation state data based on a time slice polling mechanism in a welding process, the collected welding operation state data are embedded into the parameter hash signature stream to form a tamper-proof real-time signal chain; the abnormal state judgment module is used for mapping the real-time signal chain into a state transition hypergraph, analyzing time sequence phase deviation between state nodes based on a time window sliding resonance detection algorithm, identifying a welding skipping related abnormal state and marking an abnormal topological position; the welding spot counting correction module is used for correcting the current welding spot counting value in real time when an abnormal topological position is detected, introducing a cost benefit balance factor between different nodes and outputting a corrected credible welding spot counting value; intelligent monitoring of welding and missing welding prevention are achieved, and operation safety and production efficiency are improved.

The utility model discloses a multi-signal induction animal training stimulation auxiliary device which comprises a detection module, a main control module, a starting module and a reward feedback module, the signal end of the detection module is electrically connected with the first type signal end of the main control module, the input end of the starting module is electrically connected with the second type signal end of the main control module, and the reward feedback module is electrically connected with the first type signal end of the main control module. The output end of the starting module is electrically connected with the reward feedback module, and the detection module comprises at least two signal induction detection sub-modules and is used for detecting whether an animal makes a required action or not and sending a detection signal to the main control module when the animal makes the required action; the main control module is used for receiving a detection signal and controlling the starting module to work according to the detection signal; and the reward feedback module is used for feeding rewards to the animals when the starting module works. The method has the effect of improving the animal training efficiency.

The invention relates to an intelligent asparagus lettuce seed harvesting-managing all-in-one machine based on machine vision, and belongs to the technical field of agricultural planting and harvesting. A harvesting mechanism, a storage mechanism, a seeding mechanism, a counting mechanism and a bundling mechanism are mounted on the integral frame. Through the storage mechanism, the sowing mechanism, the counting mechanism and the bundling mechanism, work of picking, counting, bundling, planting and the like of lettuce can be achieved. The equipment is simple in mechanism, environment-friendly in design, more reasonable in man-machine interaction interface, easy to operate, quick to master, capable of achieving multifunctional integrated operation, low in cost and high in control precision. The device is mainly composed of an overall frame, a harvesting mechanism, a storage mechanism, a sowing mechanism, a counting mechanism, a bundling mechanism, a pneumatic mechanism and a moving mechanism, and is high in reliability, high in precision and accurate in operation.

The invention discloses an automatic counting information synchronization method suitable for multiple types of cargo trays, and relates to the technical field of intelligent warehouse management, and the method comprises the following steps: inputting a single-piece standard weight parameter of a target cargo in an industrial touch screen, and binding the cargo information with a tray identifier through bar code recognition; goods to be measured are sequentially placed on the weighing platform provided with the four-point symmetrically-distributed weighing modules, the weighing modules collect total weight data of the goods in real time, and impact signals generated in the weighing process are dynamically filtered. According to the invention, the weighing precision is improved through structure optimization and dynamic filtering, automatic and accurate counting of the number of goods is realized in combination with a residual error correction algorithm, the security and completeness of data synchronization are guaranteed by adopting an encrypted two-dimensional code technology, real-time updating and traceable management of inventory information are realized, and the system is convenient to use. And the stability and the management efficiency of the intelligent warehousing system are comprehensively improved.

The utility model provides a workpiece sorting and counting device. The workpiece sorting and counting device comprises a workbench, a turnover mechanism and a counter, the turnover mechanism comprises a material disc, a support, a rotating shaft, bearing seats, an air cylinder, a turnover switch and a supporting platform, the upper portion of the support is fixedly connected with the material disc, the lower portion of the support is fixedly connected with the rotating shaft, the two bearing seats and the air cylinder are fixedly installed on the supporting platform, and the two bearing seats are movably connected with the two ends of the rotating shaft. An ejector rod of the air cylinder is movably connected with one end of the material disc, the overturning switch controls stretching and retracting of the air cylinder, and the material disc can be in a horizontal state or a state of inclining towards one end under the stretching and retracting action of the air cylinder. The inner side end of the charging tray is adjacent to one end of the workbench, when the charging tray is in a horizontal state, the height of the charging tray is equal to that of the workbench, and a transfer box is placed below the outer side end of the charging tray; every time the turnover mechanism finishes a turnover action, the counter automatically counts once, so that counting errors during workpiece sorting are avoided.

The utility model belongs to the field of automatic robot ceramic assembly line machining, and particularly relates to a ceramic ring counting device for a rotating disc spreading arm escape window overflow track. The upper layer of the device is a limiting basin, a rotating disc is arranged in the limiting basin and is coaxial with the limiting basin, the outer diameter of the rotating disc is matched with the inner diameter of the limiting basin, and the periphery and the lower plane of the rotating disc do not make contact with the basin edge or the basin bottom of the limiting basin; a cross beam crossing the rotating disc is arranged at the edge of the limiting basin and passes through the center of the limiting basin, the cross beam is a ruler-shaped steel plate, and two ends of the cross beam are fixed with the limiting basin edge; a through hole is formed in the position, corresponding to the center of the rotating disc, of the cross beam, a fixing bolt is installed, and a disc center spreading arm is installed on the bolt; the ceramic ring sequencing and counting device has the beneficial effects that a pile of ceramic rings can be sorted into ceramic rings one by one by utilizing the window track of the spreading arm of the rotating disc, the counting is automatic, the working environment is improved, a large amount of manpower and material resources are saved, the screening efficiency is improved, the industrial ceramic production efficiency is improved, and the production cost is reduced.

The invention relates to the technical field of image processing and extremely weak light imaging, and particularly provides a photon counting image reconstruction method and system, and the method comprises the steps: determining a target threshold value based on the adjustment of a dynamic adjustment coefficient under different illumination or gain conditions based on an initial threshold value; counting a first photon number of a single photon signal in the background image and a second photon number of the single photon signal in the signal image based on a target threshold, and generating noise photon number statistical distribution and signal photon number statistical distribution to determine a dynamic photon number processing interval; and performing time-space joint accumulation on the pixels conforming to the dynamic photon number processing interval, generating a two-dimensional photon accumulation matrix, and converting the two-dimensional photon accumulation matrix into a gray level image to form a single group of reconstructed gray level images. According to the method, real signals can be effectively extracted, the influence of dark noise, shot noise and readout noise is suppressed, zero noise detection is realized, and finally, the dynamic range, the signal-to-noise ratio and the stability of the image are remarkably improved through single-group image reconstruction and multi-group integration processing.