36results about How to "With automatic correction function" patented technology

The invention relates to a high-resolution time interval measurer with a function of automatic correction. An automatic correction circuit is added on the basis of the prior art. The automatic correction circuit generates a correction start signal pulse, a correction stop signal pulse and a system clock and inputs them into an input conditioning circuit, thus generating time intervals Delta tstart and Delta tstop with pulse widths T1 (positive phase clock) and T2 (inverse phase clock); time intervals Nstart_1 and Nstop_1 (positive phase clock) and Nstart_2 and Nstop_2 (inverse phase clock) are measured in time-amplitude converters TAC1 and TAC2; the pulse widths T1 and T2 are known; thus, by calculating according to the pulse widths T1 and T2, the influence of gain coefficient and delay skew can be counteracted, a time interval to be measured is corrected, and time interval measuring precision is further improved.

The invention provides a VOC (Volatile Organic Compounds) online monitor which comprises a data processing system and a monitor box which are in mutual communication connection; the monitor box comprises a box body, an input end, a trapping device used for collecting and finally precipitating a sample concentration and a hydrogen flame ionization detector used for inputting a collected sample intoa chromatographic column, monitoring the sample and outputting data. The VOC online monitor provided by the invention is an instrument which can analyze high-concentration total volatile organic compounds and low-concentration total volatile organic compounds at the same time and has the monitor concentration range of 0.5-1000ppb; is suitable for being applied to simultaneous detection of high-concentration and low-concentration waste gas emission, has the automatic correction function and can perform real-time monitor and remote fault diagnosis and maintenance in a running state of an FID detector by adopting the FID detector with high sensitivity, wide linear range and strong stability; and can have very strong adsorption capacity to the organic compounds by adopting a trap with a semiconductor chilling plate and a heating device.

The invention relates to a self-adjustable straight bearing, comprising a bearing ring, a holder, a steel ball, and dust-proof cover. Wherein, the bearing ring is formed by a plastic case and a roller cushion plate; several roller cushion plates are mounted in the axial groove of plastic case in same distance; the axial rolling channel of roller cushion plate is relative to the axial roller groove of plastic holder to guide the rolling of rollers. The processing method comprises: using polyoxymethylene resin with injector and auxiliary mould to inject mold the plastic case; using bearing steel via hot rolled, cool drawing, hydraulic pressing, and finished milling to prepare the roller cushion plate whose back is a arc, abdomen is arc rolling groove and two sides has axial grooves; matching the plastic case and the roller cushion plate with plastic holder and the roller; and measuring the accuracy tolerance on installed bearing product with special device. The invention can enlarge the contact surface when rolling roller, adjust the tolerance to operate stably, improve operation speed, improve the load for 3 times and prolong service life for 27 times with automatic correction function.

The invention provides an automatic control boiler system. The system comprises a monitoring diagnosis controller and a boiler; a steam drum comprises a water quality analyzer; the water quality analyzer comprises a PH value testing unit for measuring the PH value of water in the steam drum; the water quality analyzer is in data connection with the monitoring diagnosis controller to receive measured PH data; the boiler termly discharges pollutions; the pollution discharge speed is kept invariable; a central diagnosis monitor automatically sets a pollution discharge time according to the measured PH value to automatically control the pollution discharge quantity; the monitoring diagnosis controller is in data connection with a cloud server for transferring monitored data to the cloud server; the cloud server is connected with a client; and the client can obtain the monitored data through the cloud server. Through real-time monitoring of the PH data of each boiler, the pollution discharge time is automatically adjusted according to a dynamic proportional relation; the client can timely master the operation conditions of a boiler pollution discharge system; and pollution discharge parameters are adjusted timely through the client to prevent a lot of heat energy wastes caused by faults of the boiler pollution discharge system.

The invention discloses an electric independent steering system and a control method thereof, and belongs to the field of motor vehicle steering devices; the electric independent steering system comprises an angle sensor, a speed sensor, an inertial navigation module, an axle distance measurement module, a parking signal measurement unit, a shutdown signal measurement unit and a control unit; thespeed sensor is arranged on each driving wheel; and the inertial navigation module, the axle distance measurement module, the parking signal measurement unit, the stop signal measurement unit, the angle sensor and the control unit are arranged on a frame. According to the electric independent steering system and the control method thereof, by controlling the angles and directions of steering wheels on the left side and the right side, a chassis can be prevented from sliding and sliding on a slope; the steering accuracy of the chassis can be ensured, and the steering operation is simplified toensure that the expected heading direction of an operator is reached as soon as possible.

The invention provides a cloud-computing boiler blow-off system. According to the cloud-computing boiler blow-off system, automatic control is carried out according to the amount of steam generated by boilers and the amount of water input to the boilers, the boilers are periodically subjected to blow-off operation, and a central diagnosis monitor automatically sets the blow-off amount according to the ratio of the mass of the steam to the mass of the water input to the boilers; and the monitoring diagnosis controller is in data connection with a cloud server so that the monitored data can be transmitted to the cloud server conveniently, the cloud server is connected to a client side, and the client side can obtain the monitored data through the cloud server. According to the cloud-computing boiler blow-off system, the amount of the input water and the amount of the generated steam of each boiler are monitored in real time so that the dynamic ratio relation of the amount of the input water and the amount of the generated steam can be obtained, the blow-off amount of the boilers can be automatically calculated according to the dynamic ratio relation, the blow-off time and the blow-off speed can be adjusted according to the blow-off amount, the operation condition of the boiler blow-off system can be timely mastered by the client side, the blow-off parameters can be adjusted timely through the client side, and therefore a large amount of heat energy waste caused by faults of the boiler blow-off system can be prevented.

The present invention discloses a blade profile measurement clamping device. The device comprises an installation column, a base and a blade pressure plate. The device fully considers profile featuresof a blade tenon root, employs an adjustable dovetail groove structure design, and employs a dovetail groove formed between the blade pressure plate and the base to clamp the blade and automaticallyregulate the attitude of the blade. The adjustable dovetail groove structure is the core of the blade profile measurement clamping device so that the location precision and flexibility are greatly improved. The device takes an axial lead of an installation column as a measure reference, so that the problems of subsequent coordinate system establishing and data processing can be solved, and the reference precision is high. The device is simple in structure, uniform in force supply, accurate in location, high in reliability and convenient to clamp and install.

The invention provides an intelligently-controlled boiler system. The system is controlled automatically according to the steam quantity generated by boilers and the water quantity input into the boilers, the boilers are subjected to regular sewage discharging, the sewage discharging speed maintains unchanged, a central diagnosis monitor sets the sewage discharging time automatically according to the specific value between the steam mass and the mass of the water input into the boilers, and thus the discharge capacity is controlled automatically. The input water quantity and the generated steam quantity of each boiler are monitored in real time, the dynamic ratio relation between the input water quantity and the generated steam quantity is obtained, the discharge capacity of the boilers is calculated automatically according to the dynamic proportion relation, and the sewage discharging time is adjusted according to the discharge capacity. Compared with the prior art, hysteresis quality is reduced due to the fact that the sewage discharging time is calculated automatically, and the optimal sewage discharging control can be achieved.

The invention relates to a self-adjustable straight bearing, comprising a bearing ring, a holder, a steel ball, and dust-proof cover. Wherein, the bearing ring is formed by a plastic case and a roller cushion plate; several roller cushion plates are mounted in the axial groove of plastic case in same distance; the axial rolling channel of roller cushion plate is relative to the axial roller groove of plastic holder to guide the rolling of rollers. The processing method comprises: using polyoxymethylene resin with injector and auxiliary mould to inject mold the plastic case; using bearing steel via hot rolled, cool drawing, hydraulic pressing, and finished milling to prepare the roller cushion plate whose back is a arc, abdomen is arc rolling groove and two sides has axial grooves; matching the plastic case and the roller cushion plate with plastic holder and the roller; and measuring the accuracy tolerance on installed bearing product with special device. The invention can enlarge the contact surface when rolling roller, adjust the tolerance to operate stably, improve operation speed, improve the load for 3 times and prolong service life for 27 times with automatic correction function.

The invention provides an automatic control boiler system. The system performs automatic control according to the quantity of steam generated by a boiler and the quantity of water input into the boiler; the boiler termly discharges pollutions; a steam drum comprises a water quality analyzer for measuring the quality of the water in the steam drum; the water quality analyzer is in data connection with a monitoring diagnosis controller for receiving measured data; the boiler termly discharges pollutions; a central diagnosis monitor stores a reference data PH value J, the pollution discharge time T and the pollution discharge speed V; the reference data is the pollution discharge quantity V*T satisfying the demand when the PH value of water in the steam drum is J; and the boiler achieves a function of automatically correcting the reference data according to the measured PH data in the steam drum. The boiler also achieves the function of automatically correcting the reference data; the reference data is automatically corrected according to the detected water quality pollution discharge conditions to guarantee the control accuracy; a client can timely master the operation conditions of a boiler pollution discharge system; and pollution discharge parameters are adjusted timely through the client to prevent a lot of heat energy wastes caused by faults of the boiler pollution discharge system.

The invention relates to an online accurate measurement method for the width of a continuous casting slab. The method comprises the following steps: step 1, mounting a slab width information acquisition device; 2, plate blank width data are collected; step 3, uploading width data of the plate blank; step 4, performing abnormal treatment on the width measurement data of the plate blank; 5, plate blank width data information processing; and 6, completing the online measurement and correction process of the width of the plate blank. According to the scheme, a width detection component, a communication system and a correction model are included, and multiple automatic functions such as slab online width real-time detection, information transmission, width correction and width abnormity alarm are achieved.

The present invention discloses a blade profile measurement clamping device. The device comprises an installation column, a base and a blade pressure plate. The device fully considers profile featuresof a blade tenon root, employs an adjustable dovetail groove structure design, and employs a dovetail groove formed between the blade pressure plate and the base to clamp the blade and automaticallyregulate the attitude of the blade. The adjustable dovetail groove structure is the core of the blade profile measurement clamping device so that the location precision and flexibility are greatly improved. The device takes an axial lead of an installation column as a measure reference, so that the problems of subsequent coordinate system establishing and data processing can be solved, and the reference precision is high. The device is simple in structure, uniform in force supply, accurate in location, high in reliability and convenient to clamp and install.

The invention provides a cloud-computing boiler blow-off system. According to the cloud-computing boiler blow-off system, automatic control is carried out according to the amount of steam generated by boilers and the amount of water input to the boilers, the boilers are periodically subjected to blow-off operation, and a central diagnosis monitor automatically sets the blow-off amount according to the ratio of the mass of the steam to the mass of the water input to the boilers; and the monitoring diagnosis controller is in data connection with a cloud server so that the monitored data can be transmitted to the cloud server conveniently, the cloud server is connected to a client side, and the client side can obtain the monitored data through the cloud server. According to the cloud-computing boiler blow-off system, the amount of the input water and the amount of the generated steam of each boiler are monitored in real time so that the dynamic ratio relation of the amount of the input water and the amount of the generated steam can be obtained, the blow-off amount of the boilers can be automatically calculated according to the dynamic ratio relation, the blow-off time and the blow-off speed can be adjusted according to the blow-off amount, the operation condition of the boiler blow-off system can be timely mastered by the client side, the blow-off parameters can be adjusted timely through the client side, and therefore a large amount of heat energy waste caused by faults of the boiler blow-off system can be prevented.

The invention provides an intelligent control system which comprises a monitoring and diagnosing controller and a boiler. The boiler comprises a blowdown pipe arranged at the lower end of a boiler steam pocket, a blowdown valve is arranged on the blowdown pipe, one end of the blowdown valve is connected with a valve adjusting device, the valve adjusting device is in data connection with the monitoring and diagnosing controller, and therefore valve aperture data can be transmitted to the monitoring and diagnosing controller; meanwhile, a command is received from the monitoring and diagnosing controller, and the aperture of the blowdown valve is adjusted; the steam pocket further comprises a water quality analyzer which comprises a PH value testing unit so as to measure the PH value of water in the steam pocket, and the water quality analyzer is in data conenction with the monitoring and diagnosing controller, and therefore measured PH data are conveniently received; and the boiler is subject to blowdown, the blowdown time and blowdown speed are automatically set by the central monitoring and diagnosing controller according to the measured PH value, and therefore the blowdown amount is automatically controlled. According to the intelligent control system, the blowdown amount is automatically calculated; and compared with the prior art, the hysteretic nature caused by automatic control in the prior art is reduced, and the optimal blowdown control can be achieved.

The invention provides an intelligent control boiler system. The system is characterized in that the system automatically controls a boiler according to steam quantity generated by the boiler and water quantity input into the boiler; the boiler is subjected to blowdown regularly; a steam dome further comprises a water quality analyzer used for measuring water quality in the steam dome; the water quality analyzer is in data connection with a monitoring diagnosis controller, so that the water quality analyzer conveniently receives measured data; the boiler is subjected to blowdown regularly; a central diagnosis monitor stores benchmark data, PH value J, blowdown time T and blowdown velocity V; the benchmark data is blowdown amount V * T meeting the requirement when the PH value of water in the steam dome is J; and the boiler further has the function of automatically correcting the benchmark data according to the PH data in the steam dome. The boiler further has the function of automatically correcting the benchmark data, the benchmark data is automatically corrected according to the detected water quality blowdown situation, and regulation accuracy is guaranteed.

The invention provides an automatic control boiler system. The system comprises a monitoring diagnosis controller and a boiler; a steam drum comprises a water quality analyzer; the water quality analyzer comprises a PH value testing unit for measuring the PH value of water in the steam drum; the water quality analyzer is in data connection with the monitoring diagnosis controller to receive measured PH data; the boiler termly discharges pollutions; the pollution discharge speed is kept invariable; a central diagnosis monitor automatically sets a pollution discharge time according to the measured PH value to automatically control the pollution discharge quantity; the monitoring diagnosis controller is in data connection with a cloud server for transferring monitored data to the cloud server; the cloud server is connected with a client; and the client can obtain the monitored data through the cloud server. Through real-time monitoring of the PH data of each boiler, the pollution discharge time is automatically adjusted according to a dynamic proportional relation; the client can timely master the operation conditions of a boiler pollution discharge system; and pollution discharge parameters are adjusted timely through the client to prevent a lot of heat energy wastes caused by faults of the boiler pollution discharge system.

The invention, which relates to the target path generation field in image processing, discloses a method and a system for image path generation. The method comprises the following steps that: a to-be-processed area in an image is determined by a click position; image edge detection is carried out on the to-be-processed area to extract corresponding image boundary information; a to-be-processed boundary is obtained according to a boundary image and a boundary chain of the to-be-processed boundary is generated; according to the click position and a gradient image in the boundary information, a digraph of the boundary chain is generated; a shortest path generation algorithm is employed to extract a shortest path; and path curve fitting is carried out to obtain a needed result path is obtained. According to the method provided by the invention, determination is carried out on local image information to complete generation of an image path; and a forced operation point is arranged during an operation process, so that an operator can automatically adjust a state of path generation; and thus the quality of the path generation can be ensured.

The invention provides an intelligent boiler control system. The system conducts automatic control according to the amount of steam generated by boilers and the amount of water input into the boilers, the boilers regularly discharge dirt, the dirt discharging speed is kept unchangeable, a center diagnosis monitor automatically sets the dirt discharging speed according to the specific value between the steam mass and the mass of water input into the boilers, and accordingly the dirt discharging amount is automatically controlled. According to the system, through real-time monitoring of the input water amount and the generated steam amount of each boiler, the dynamic proportion relation between the input water amount and the generated steam amount is obtained, the dirt discharging amount of the boilers is automatically calculated according to the dynamic proportion relation, and the dirt discharging speed is adjusted according to the dirt discharging amount. According to the intelligent boiler control system, due to the fact that the dirt discharging time is automatically calculated, compared with the prior art, hysteresis quality is reduced, and optimal dirt discharging control can be achieved.

The invention provides a boiler system. According to the system, automatic control can be performed according to the amount of steam generated by a boiler and the amount of water input to the boiler, the boiler is subjected to sewage discharge periodically, the sewage discharge speed is kept unchanged, a central diagnosis monitor automatically sets the sewage discharge speed according to the ratio of the mass of the steam to the mass of the water input to the boiler and is in data connection with a cloud server so as to transmit monitored data to the cloud server, the cloud server is connected to a client side, and the client side can obtain the monitored data through the cloud server, manually inputs the sewage discharge speed according to the obtained data, transmits the data to a monitoring and diagnosing controller through the cloud server and manually adjusts the sewage discharge amount through the monitoring the diagnosing controller. The system has the advantages that the input water quantity and the generated steam quantity of each boiler are monitored in real time, the dynamic ratio relation of the input water quantity and the generated steam quantity is obtained, the sewage discharge amount of the boiler can be automatically calculated according to the dynamic ratio relation, the sewage discharge speed can be adjusted according to the sewage discharge amount, the operation condition of a boiler sewage discharge system can be timely mastered by the client side, the sewage discharge parameters can be adjusted timely through the client side, and a large amount of heat energy waste caused by faults of the boiler sewage discharge system can be prevented.

The invention provides an automatic control boiler system. The system comprises a monitoring diagnosis controller and a boiler; a steam drum comprises a water quality analyzer; the water quality analyzer comprises a PH value testing unit for measuring the PH value of water in the steam drum; the water quality analyzer is in data connection with the monitoring diagnosis controller to receive measured PH data; the boiler termly discharges pollutions; the pollution discharge time is kept invariable; and a central diagnosis monitor automatically sets a pollution discharge speed according to the measured PH value to automatically control the pollution discharge quantity. Through real-time monitoring of the PH data of each boiler, the pollution discharge quantity of the boiler is automatically calculated according to a dynamic proportional relation; the pollution discharge speed and the pollution discharge time are adjusted according to the pollution discharge quantity; a client can timely master the operation conditions of a boiler pollution discharge system; and pollution discharge parameters are adjusted timely through the client to prevent a lot of heat energy wastes caused by faults of the boiler pollution discharge system.

The invention provides an intelligently-controlled boiler system. The system is controlled automatically according to the steam quantity generated by boilers and the water quantity input into the boilers, the boilers are subjected to regular sewage discharging, the sewage discharging speed maintains unchanged, a central diagnosis monitor sets the sewage discharging time automatically according to the specific value between the steam mass and the mass of the water input into the boilers, and thus the discharge capacity is controlled automatically. The input water quantity and the generated steam quantity of each boiler are monitored in real time, the dynamic ratio relation between the input water quantity and the generated steam quantity is obtained, the discharge capacity of the boilers is calculated automatically according to the dynamic proportion relation, and the sewage discharging time is adjusted according to the discharge capacity. Compared with the prior art, hysteresis quality is reduced due to the fact that the sewage discharging time is calculated automatically, and the optimal sewage discharging control can be achieved.

The invention provides an automatic control system. The system comprises a monitoring diagnosis controller and a boiler; the boiler comprises a blow-down pipe arranged at the lower end of a boiler drum; a blow-down valve is arranged on the blow-off pipe; one end of the blow-down valve is connected with a valve adjusting device; the valve adjusting device is in data connection with the monitoring diagnosis controller for transferring valve openness data to the monitoring diagnosis controller and receiving an instruction from the monitoring diagnosis controller to adjust the openness of the blow-down valve; the drum comprises a water quality analyzer; the water quality analyzer comprises a pH value testing unit for measuring the pH value of water in the drum; the water quality analyzer is in data connection with the monitoring diagnosis controller for receiving the measured pH data; boiler blow-down is termly performed; the blow-down time is kept invariable; and a central diagnosis monitor automatically sets the blow-down speed according to the measured pH value to automatically control the blow-down quantity. As the blow-down speed is automatically calculated, compared with the prior art, the system has the advantages that the lagging is reduced, and the optimal blow-down control can be realized.

The invention discloses double-screw bolt automatic welding equipment which comprises a case, a transparent visible window, a touch control panel and a double-screw bolt welding mechanism. Since a left welding gun and a right welding gun can carry out welding while moving, an automatic correction function is achieved in the welding process, and therefore the good welding quality is ensured. Meanwhile, since a double-screw bolt clamp is provided with a thread protection groove for protecting a double-screw bolt, welding fluid splashing and welding wire adhesion can be prevented in the welding process. The left welding gun and the right welding gun can carry out automatic welding according to production requirements, manual operation is not needed in the welding process, the welding efficiency is greatly improved, the labor intensity and cost of workers are reduced, and welded products can reach unified standards. The equipment is also suitable for welding lining plates with different sizes, different specifications, different types and different shapes, suitable for welding different structural parts of round steel structures, square steel structures, plate-shaped structures and thelike, high in university and low in cost.

The invention discloses an automatic control boiler system which comprises a monitoring diagnosis controller and a boiler. The boiler comprises a pollution discharge pipe arranged at the lower end of a boiler steam pocket. The pollution discharge pipe is provided with a blow-down valve. One end of the blow-down valve is connected with a valve adjusting device. The valve adjusting device is in data connection with the monitoring diagnosis controller, so that valve opening data are transmitted to the monitoring diagnosis controller, meanwhile, an instruction is received from the monitoring diagnosis controller, and the opening of the blow-down valve is adjusted. The steam pocket further comprises a water quality analyzer. The water quality analyzer comprises a PH value measuring unit so as to measure the PH value of water in the steam pocket. The water quality analyzer is in data connection with the monitoring diagnosis controller so as to obtain measured PH data. The boiler discharges pollution at regular intervals, the pollution discharge speed is kept constant, a central diagnosis monitor automatically sets pollution discharge time according to the measured PH value, and therefore the pollution discharge amount is automatically controlled. Since pollution time is automatically calculated, compared with the prior art, hysteresis is reduced, and optimal pollution discharge control can be achieved.