50results about How to "Accurate timing" patented technology

The invention is suitable for the technical field of sewage treatment, and provides a chemical adding control method and system for industrial sewage treatment, and the system comprises a real-time monitoring module, a pollution source recognition module, a feedback model construction module, a chemical adding scheme optimization module, a chemical diffusion monitoring module, and a chemical adding effect evaluation module. According to the method, a dosing system based on microbial community feedback and sewage source analysis based on a geographic information system (GIS) are fused, namely, pollution sources in sewage are tracked and analyzed in combination with the GIS technology, the structure and function of microbial communities are analyzed through the pollution sources, the use of chemicals is dynamically adjusted, and the sewage source analysis efficiency is improved. To promote the growth of specific microorganisms to treat specific contaminants. Meanwhile, the medicament can be pushed to be accurately fed by sensing eddy current or sound waves of water flow, and medicament waste is reduced.

The present invention discloses a fabric wear resistance detection apparatus, and relates to the technical field of fabric wear resistance detection, the fabric wear resistance detection apparatus comprises a cabinet, and further comprises: three driving mechanisms arranged in the cabinet; the clamping assembly is arranged at the top of the driving mechanism; the eccentric mechanism is detachably connected with the top of the clamping assembly; the pushing plate is arranged at the top of the eccentric mechanism, is driven by the three driving mechanisms through the eccentric mechanism and moves in the horizontal direction according to a Lissajin track; according to the invention, the eccentric mechanism and the adjusting assembly are matched with each other, and the eccentric distance of the eccentric mechanism is adjusted by controlling the adjusting assembly, so that the push plate can switch a large Lissajin track and a small Lissajin track quickly, the detection mode can be changed, and the detection efficiency can be improved.

The invention provides an extra-high voltage converter transformer early warning method based on master-slave mechanism-parameter sharing. The method comprises the steps that firstly, a converter transformer-master-slave mechanism structure is constructed, and historical data of to-be-predicted parameters, current moment data of other parameters in a master node converter transformer and dimension reduction coding information of parameters in other slave node converter transformers are obtained to serve as a supervised learning sample set; constructing a seq2seq time sequence prediction model, and training to obtain a parameter sharing high-precision model; obtaining real or simulated abnormal data of the related variable according to the fault category, and training to obtain a fuzzy discrimination model; and finally, according to a prediction result of the related parameters, calculating a kurtosis coefficient of the membership probability, and removing false alarm information to generate corresponding early warning information. According to the method, the edge node network model is constructed, the master-slave mode is adopted, cross-device key information sharing and inter-device key information sharing are achieved, time sequence prediction of device parameters is carried out in combination with the time sequence prediction model, collaborative information between the parameters is effectively fused, and therefore prediction precision is improved. And meanwhile, a fuzzy set of equipment parameters is constructed by introducing a fuzzy theory, so that alarm triggering conditions are enriched, and the flexibility and robustness of the early warning system are enhanced.

The invention discloses a semiconductor laser pulse type driving circuit and a driving current detection and control method thereof. The semiconductor laser pulse type driving circuit comprises a pulse driving control circuit, a pulse driving circuit and a pulse driving current detection circuit, wherein the pulse driving current detection circuit, the pulse driving control circuit and the pulse driving circuit are connected in sequence, the pulse driving current detection circuit adopts a high-side current detection circuit, and the pulse driving circuit comprises a laser switch chip; the pulse driving current detection circuit is used for acquiring a detection voltage according to a driving current of the semiconductor laser, the pulse driving control circuit is used for generating a driving signal and generating a control voltage according to the detection voltage, and the pulse driving control circuit is used for generating a driving current according to the driving signal and controlling the driving current according to the control voltage. And the size of the driving current is controlled according to the control voltage, and the semiconductor laser is controlled and driven through the driving current.

According to the image Smear rapid elimination method and device for the satellite load ground detection platform, after a detection platform receives a data file of an image, a formula (12) is firstly used for calculating a Smear component of each column, operation of a formula (13) is executed, and then a true value of each pixel after Smear elimination can be obtained. Compared with a matrix elimination algorithm, the algorithm of the image Smear rapid elimination method for the satellite load ground detection platform has the advantages that the algorithm is high in operation speed by counting the operation time of a program, and the correction efficiency of the Smear effect can be greatly improved. The algorithm provided by the invention can be directly embedded into control software of a ground inspection station, and compared with a traditional offline Smear elimination algorithm, the algorithm provided by the invention can realize online real-time Smear elimination, so that technicians can conveniently correct optical and electrical parameters of an imaging spectrometer in time.

The utility model relates to the technical field of metering devices, in particular to an auxiliary stem collecting and metering device. In order to solve the problems that the calculation of the rejecting amount of the stem slivers needs a long time, wastes time and labor, and sometimes, due to improper collection or poor matching, the stem sliver collection is not accurate enough, and the result judgment is influenced, the following technical scheme is provided: the stem sliver rejecting device comprises a bottom plate, and the bottom of the bottom plate is provided with a plurality of groups of moving wheels for the bottom plate to move; the tops of the moving wheels are fixedly connected with an L-shaped mounting plate, and a holding rod is mounted on the side, away from the discharging port, of the mounting plate. The sealing mechanism is mounted on the mounting plate and is used for controlling the opening and closing of the discharge hole; and the weighing assembly is arranged at the top of the bottom plate and is used for weighing the discharged stem slivers. According to the utility model, the collected slivers can be automatically weighed to obtain the sliver rejecting amount, and meanwhile, the time is recorded, so that an accurate calculation result is obtained.

The utility model discloses an ultraviolet disinfection lamp with a timing function, which comprises a lamp holder, an ultraviolet lamp tube is mounted in the lamp holder, and a notch for mounting, dismounting and lighting of the ultraviolet lamp tube is arranged on one side of the lamp holder; the timer is slidably mounted in one end of the lamp holder, and the timer and the lamp holder power supply section are powered on through a contact type electrode; the utility model relates to the technical field of ultraviolet disinfection lamps. According to the ultraviolet disinfection lamp with the timing function, the timer with the indicator lamp is arranged at one end of the lamp holder, and when the irradiation time of the ultraviolet lamp tube reaches the designed service life of the ultraviolet lamp tube, the indicator lamp is turned on to prompt that the ultraviolet lamp tube needs to be replaced, so that the disinfection effect of a room and articles in the room is guaranteed, and manpower and material resources are saved; and the lamp holder and the timer can be repeatedly used, the ultraviolet lamp tube which can be purchased on the market can be directly replaced, the cost is relatively low, and meanwhile, the timer has a reset function, so that reset timing and recalculation are facilitated after the ultraviolet lamp tube is replaced every time.

The present invention relates to a crimped power semiconductor device and a temperature distribution measurement system thereof. The crimped power semiconductor device connects the gate of each semiconductor chip to the interface terminal of the PCB board, so as to measure the junction temperature of each semiconductor chip in the crimped power semiconductor device, thereby improving the accuracy of the temperature distribution measurement. The temperature distribution measurement system of the crimped power semiconductor device uses a timing drive circuit to periodically open and close the crimped power semiconductor device to be tested, so as to simulate the heating of the crimped power semiconductor device under different working conditions. And by coordinating with the timing of the measurement branch switch, the timing accurate measurement of the junction temperature distribution of each semiconductor chip can be achieved, breaking through the limitation that the existing measurement method can only obtain the average junction temperature of each semiconductor chip.

The application relates to the technical field of aerial video analysis, and discloses a large-scene multi-modal analysis system and method based on a UAV. The method acquires an original video frame sequence from aerial equipment, extracts a scene change period and an object motion trend by calculating an inter-frame motion feature vector, and judges whether a scene is in a stable or dynamic state by means of a state classification model. In the dynamic state, a tracking target position is calculated according to preset parameters, and an analysis target area is adjusted in combination with the motion trend; a camera parameter adjustment instruction is generated according to a deviation amount of the analysis target area from an actual object position, and is output to an executing mechanism; a complexity value is acquired through a scene complexity feedback signal, and when the complexity value exceeds a preset range, an adaptive algorithm is used to update an analysis strategy and output an adjustment signal; the output timing of control and strategy adjustment signals is optimized, the frame sequence and analysis parameter change trend are monitored in real time, preset parameters are dynamically updated to match user requirements, and efficient video analysis processing is realized.

This invention relates to the interdisciplinary field of mechanical engineering and optical inspection, and discloses a method and system for quality sorting of automotive stamping parts combined with optical inspection. The method includes: synchronous imaging by a high-speed linear array camera and a structured light projector via an encoder and photoelectric triggering device; fusing 3D point clouds and 2D images, and using a deep convolutional neural network for defect identification and quality grading; calculating the six-degree-of-freedom pose of the workpiece using an iterative nearest-point algorithm and principal component analysis; calculating the spatiotemporal parameters of sorting based on a predictive instruction generation module, and issuing dynamic control commands to multi-degree-of-freedom pneumatic push rods via a hard real-time communication bus to execute sorting. The system includes a synchronous triggering unit, an imaging unit, a defect identification unit, a pose calculation unit, a predictive instruction generation module, and a dynamic sorting execution unit. This invention achieves millisecond-level accurate identification and adaptive sorting, significantly improving detection accuracy, sorting efficiency, and system robustness.

The utility model relates to a carrier roller device with a deviation rectifying function, which comprises a supporting cross beam, the top of the supporting cross beam is provided with supporting mechanisms which are symmetrically arranged in a matched mode, the two supporting mechanisms are connected through a connecting roller wheel, and the two supporting mechanisms and the connecting roller wheel support a conveying belt at the same time. Each supporting mechanism structurally comprises a first bracket and a second bracket spaced from the first bracket, a plurality of first mounting grooves are formed in the end face of the first bracket, a second mounting groove is formed in the end face of the second bracket, the first bracket is rotationally mounted at one end of the supporting roller through the first mounting groove, and the second bracket is rotationally mounted at the other end of the supporting roller through the second mounting groove. And the second bracket is rotationally mounted with the other end of the supporting roller through the second mounting groove, so that the first bracket and the second bracket simultaneously support the supporting roller to rotate. The conveying belt can be rectified in time, material scattering is avoided, and material waste is prevented; meanwhile, deviation rectifying operation is convenient and fast, downtime is saved, and production efficiency is guaranteed.

This invention discloses a droplet position detection device and method, relating to the field of display technology. The droplet position detection device includes a driving detection substrate; the driving detection substrate includes an electrically connected MCU processing module and a droplet position detection module; the MCU processing module is used to send a detection signal to the droplet position detection module; the droplet position detection module is used to receive the detection signal, acquire the node voltage in the detection loop, and generate a corresponding target data signal based on the node voltage; the MCU processing module is also used to determine the droplet position based on multiple target data signals and a preset value. The embodiment provided by this invention sets an MCU processing module and a droplet position detection module on the driving detection substrate. The MCU processing module determines the droplet position by sending a detection signal to the droplet position detection module and acquiring and analyzing the target data signal returned by the droplet position detection module.

The invention provides a curved-surface foam processing method. The curved-surface foam processing method comprises the following steps: S1, performing three-dimensional modeling on curved-surface foam and uniformly dividing the curved-surface foam into a plurality of small foam blocks; s2, the foam blank is clamped and fixed to a platform with a groove; s3, the foam blank is machined into small foam blocks through a three-axis machine tool; and S4, splicing and assembling the processed small foam blocks to obtain the complete curved-surface foam. The machining device has the effect of achieving high-profile-precision machining of large curved-surface foam.

The utility model discloses a self-calibration timing circuit, a timing device and an ignition device, and relates to the field of timing, the self-calibration timing circuit comprises a calibration circuit, an output end is connected with a clock end of a calibrated circuit, and the calibration circuit is used for outputting a clock signal to the calibrated circuit; the output end of the calibrated circuit is connected with the input end of the ignition device, and the calibrated circuit is used for timing based on the clock signal; and the ignition device is used for outputting detonation when the ignition signal is received through the input end of the ignition device at the end of timing. The calibration circuit and the calibrated circuit are separately arranged, the calibration circuit does not participate in actual control, the high overload circuit is prevented from influencing the timing accuracy, the calibration circuit outputs the time to the calibrated circuit, the ignition device is further controlled, and the timing can be more accurate.

The present invention discloses a caching table device suitable for bonding 12-inch semiconductor crystal rods, comprising a workbench, four supporting legs are fixedly installed at the four corners of the bottom of the workbench, universal wheels are rotatably installed at the bottom of the supporting legs, side panels and a rear panel are respectively fixedly installed between the supporting legs, hinges are respectively fixedly installed on the same sides of the two supporting legs, two door panels are rotatably installed on the ends of the hinges away from the supporting legs, and handles are respectively fixedly installed on one side of the door panels; a rear baffle is fixedly installed on one side of the top of the workbench, a plurality of antenna brackets are fixedly installed on one side of the rear baffle, a plurality of crystal rod bonding cache components are arranged on the side of the antenna bracket away from the rear baffle, an RFID reading device is fixedly installed on the top of the side of the crystal rod bonding cache component close to the antenna bracket, a material separator is fixedly installed between the crystal rod bonding cache components, and a working indicator light is fixedly installed on the side of the material separator away from the rear baffle.

This invention provides a fully automated immunoassay analyzer, comprising: a base, a reaction disk for carrying multiple immunochromatographic test strips installed inside the base, a sample processing area for processing samples installed on the base, and a moving arm assembly movably installed on the base for driving a pipette arm to perform liquid pipetting, mixing, and spotting operations in the sample processing area. Compared with the prior art, this invention has the following advantages: by setting up the moving arm assembly, in conjunction with the pipette arm and negative pressure nozzle, its automated operation can simultaneously perform multiple sample single detection, single sample multiple detection, or multiple sample multiple detection, with high throughput, making up for the insufficient throughput of existing manual experiments. Automated sample pretreatment and automatic recycling of waste after experiments avoid manual errors and are convenient and pollution-free.

The invention discloses a multi-interface concurrent test device and method. The multi-interface concurrent test device provided by the embodiment of the invention comprises a controlled test module, wherein the controlled test module is connected to a first test port and a second test port of a unit to be tested respectively; the main control test module is connected with the controlled test module, the main control test module controls communication between the controlled test module and the first test port and / or communication between the controlled test module and the second test port, and the main control test module is connected with the controlled test module and controls communication between the controlled test module and the first test port and / or communication between the controlled test module and the second test port. And the control module is used for controlling the time sequence of communication between the controlled test module and the first test port as well as between the controlled test module and the second test port. According to the multi-interface concurrent test device and method provided by the embodiment of the invention, the time sequence can be accurately controlled, and the multi-interface concurrent communication test can be quickly and correctly realized.

This invention provides an electric vehicle charging structure and an electric vehicle, relating to the technical field of electric vehicles. The charging structure includes a charging plug and a charging socket. At least one first magnet and at least one second magnet are disposed on the snap-fit ​​protrusion. A third magnet for magnetic attraction with the first magnet and a fourth magnet for magnetic attraction with the second magnet are disposed around the insertion hole. The first and second magnets on the snap-fit ​​protrusion of the charging plug provided by this invention can respectively magnetically attract the third and fourth magnets on the charging socket. This magnetic attraction ensures that the insertion and extraction force between the charging plug and the charging socket meets requirements. Furthermore, the first and second magnets have opposite magnetic properties on the same side; when the charging plug is reversed, resistance is generated between the magnets, allowing the user to know in advance that the charging plug is reversed and correct it in time.

This invention discloses a remotely controllable hydraulic self-unloading mining car, relating to the field of self-unloading mining car technology. The self-unloading car includes a conveyor mounted on the lower surface of the rear of its frame. A track is installed on the conveyor, and several first drive motors are mounted on the outer surface of the conveyor's rotating working surface. Each first drive motor has a second drive motor mounted at its front end. A retractable and foldable folding and pushing mechanism is mounted on the front surface of each second drive motor. By setting a conveyor, folding and pushing mechanism, and a winding mechanism below the rear of the self-unloading car frame, this invention can actively push the material at the rear of the car backward during unloading, clearing material accumulation below the discharge port in real time. This fundamentally prevents material from blocking the rear of the car and causing unloading interruptions, enabling continuous unloading without the vehicle moving forward, significantly improving unloading efficiency.

The invention discloses a steering gear pull rod assembly torque performance testing method. The method comprises the steps that S1, a steering gear pull rod assembly is installed on a testing device; s2, the steering gear pull rod assembly is driven to move in the set direction, and the actual steering working condition is simulated; s3, torque data of the pull rod assembly in the movement process are collected through the testing device; and S4, the testing device processes and analyzes the collected torque data according to a preset torque performance index, and evaluates whether the torque performance of the steering gear pull rod assembly is qualified or not. According to the testing device, full automation of the testing process is achieved, manual intervention is not needed from bidirectional driving, data collection to result judgment, the testing efficiency and operation consistency are remarkably improved, and the testing device is particularly suitable for rapid detection of a production line.

The invention discloses a single-photon laser ranging stabilization system. The system comprises a mounting base; the laser transceiving system is arranged on the mounting base; the detection element is used for detecting the deflection angle of the laser transceiving system; the electromagnetic brake comprises a connecting end used for being fixed to the aerial carrier platform and a braking end connected to the mounting base, the connecting end and the braking end are oppositely arranged and can rotate relatively, and part of the position of the connecting end is electrified to control the corresponding part of the braking end to rotate so as to generate correction force opposite to the deflection angle; the control element is in signal connection with the detection element and the electromagnetic brake and used for controlling the connecting end according to detection information of the detection element. The laser ranging stabilizing system can compensate the attitude change of the mobile platform, ensure the stability of a single-photon ranging system under the condition of the mobile platform, and ensure the stability and accuracy of long-distance laser ranging.

The invention provides a calligraphy practicing intelligent evaluation method and device. The method comprises the steps that character information uploaded by a user is acquired; inputting the character information into a preset character evaluation model to obtain a character writing score; and writing evaluation and suggestions are provided according to the character writing scores. According to the method, the written character picture uploaded by the user is acquired, personalized feedback and suggestions are provided according to the writing level and habit of each user, the user is helped to identify and improve own defects, the structure and usage of Chinese characters are better understood, and the reading and writing capabilities are improved. The user can obtain real-time evaluation and guidance in the calligraphy practicing process, and errors can be corrected in time. The method also has strong interactivity, evaluates and guides in real time in the calligraphy practicing process, and can stimulate the interest of the user through points, badges and other elements, so that the user can keep active participation and high concentration in learning. And in addition, a detailed learning report can be generated during use, so that a user can know learning conditions and progress.

This invention relates to the field of fault detection and location technology for railway power supply systems. Specifically, it discloses a method for identifying fault sections in railway AT power supply contact networks based on special-type interconnects. This method solves the problem that existing railway AT power supply traction networks may make mistakes in determining fault sections by relying solely on electrical quantities when a fault occurs near the AT substation. The method involves installing a wireless communication sensor with a built-in special-type interconnect near the AT substation's connection point towards the section substation. After the data is collected and processed by a centralized data receiving device, the data is uploaded to a communication server. The server uses the GOOSE communication protocol to communicate with the fault location device at the AT substation via Ethernet. The sensor's activation signal and the collected electrical parameters are uploaded to the traction substation's fault location device through the fault location channel between the traction substation and the AT substation. Combined with AC sampling data from each substation, the method achieves accurate identification of the fault section, accurately guiding maintenance personnel to reach the fault location as quickly as possible for repair, troubleshooting, and restoration of normal power supply.

The invention discloses a novel cantilever bracket device, relates to the technical field of transportation bracket devices, and solves the problems that materials easily fall off or collide with a rear upright post at the tail of a vehicle due to vibration when the vehicle walks and moves, and the safety is low when super-long materials are transported. The novel cantilever bracket device comprises a bracket base, a telescopic expansion mechanism, a lifting type butt joint mechanism and optical detection equipment, the bracket base is installed at the tail of a vehicle through screws, the telescopic expansion mechanism is arranged at the top of the bracket base, and materials are supported at the top of the telescopic expansion mechanism. According to the invention, the length of the bracket device for supporting the materials can be increased, so that the gravity center part of the super-long materials cannot be suspended when the super-long materials are supported and transported, and the problems that the materials fall off or collide with a rear upright post at the tail part of a vehicle due to the vibration force of the vehicle when the super-long materials are transported are reduced; and the safety is improved when the super-long materials are transported.

The present disclosure relates to methods and systems for obtaining image information of an organism including a set of optical data, calculating a growth index based on the set of optical data, and calculating an anticipated harvest time based on the growth index, where the image information includes at least one of: (a) visible image data obtained from an image sensor and non-visible image data obtained from the image sensor, and (b) a set of image data from at least two image capture devices, where the at least two image capture devices capture the set of image data from at least two positions.

A fermentation method for mupirocin, the method comprising performing shake flask seed culture, seed tank culture, fermentation culture, feed culture. The fermentation method is not only suitable for industrial mass production, but also improves the fermentation potency of mupirocin, which can be stably maintained to be 8000 ug / ml or above.

The utility model relates to a cooling bed transmission mechanism with an adjustable counterweight angle, which comprises a speed reducer (5), a transmission shaft (1), a counterweight (2), an expansion coupling sleeve (3) and a speed reducer (5), the expansion coupling sleeve (3) is sleeved on the transmission shaft (1) in a penetrating manner, the counterweight (2) is connected with the expansion coupling sleeve (3), the transmission shaft (1) is connected with the speed reducer (5), and the speed reducer (5) is connected with the counterweight (2). And a circumferential contact surface is formed between the expansion coupling sleeve (3) and the transmission shaft (1), so that the expansion coupling sleeve (3) can rotate around the transmission shaft (1) under the action of external force. According to the mechanism, the angle of the counter weight relative to the transmission shaft is adjustable, so that the angle of the counter weight can be adjusted when deviating due to external factors, and a guarantee is provided for stable start and stop of the speed reducer.

Disclosed in the present invention are an apparatus for installing a radar-video integrated machine for a road, and a using method and networking installation method therefor, which are applied to the technical field of roads. The apparatus comprises: a measurement apparatus, which is installed on a radar-video integrated machine, and a monitor apparatus, which is located on the ground, wherein the measurement apparatus comprises a first central controller, an angle collection sensor, a first status indicator lamp, a first wireless communication module and a first display module; the monitor apparatus comprises a second central controller, a key module, a second status indicator lamp, a second wireless communication module and a second display module; the measurement apparatus and the monitor apparatus are in communication connection and transmit data to each other; a technician performs data input and monitoring by means of the monitor apparatus; and an installer performs angle adjusting by means of the measurement apparatus. A radar-video integrated machine is installed by means of the method, such that adjusting and installation can be rapidly performed, the adjusting time is shortened to be within two minutes, the time is saved on by more than 85%, and the installation precision of the radar-video integrated machine is also improved.

The utility model belongs to the technical field of printing equipment, and particularly relates to an automatic paper patting and arranging device of printing equipment, which comprises a paper receiving plate, a paper patting mechanism is mounted on the paper receiving plate, a paper receiving area is arranged on the side surface of the paper receiving plate facing an X-axis arrow end, and an air cylinder is fixedly connected to one side of the paper receiving plate facing an X-axis tail end. A movable rod of the air cylinder is located at the X-axis arrow end of the air cylinder, a clamping plate located in the X-axis arrow end direction of the paper receiving plate is fixedly connected to the movable rod, a fan is installed in the middle of the clamping plate, the paper beating mechanism comprises two installation supports installed on the paper receiving plate, and rotating electromagnets are installed on the two installation supports. The fan is arranged to apply pressure to paper, so that the paper is convenient to tidy, the effects of clearing damp, dissipating heat and the like are also achieved, paper tidying is smoother, and it is guaranteed that tidying and binding of the main body paper of a printed book are conducted smoothly.