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.

A calibrating method applied to an out-cell optical touch device relative to a display panel is disclosed. The calibrating method is suitable for the out-cell optical touch device that includes at least one signal sensor and at least two position sensors. The position sensors are respectively disposed on two adjacent sides of a frame of the out-cell optical touch device. The calibrating method includes acquiring a first value according to dimensions of the display panel, detecting a distance between the frame and sides of the display panel to acquire a second value, utilizing the first value and the second value to obtain an offset, and transforming touch coordinates detected by the signal sensor into screen coordinates applied for the display panel according to the offset.

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 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 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 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. The boiler system comprises a monitoring diagnosing controller and a boiler; the boiler comprises a pollution discharge pipe arranged at the lower end of a boiler drum, and a pollution discharge valve is arranged on the pollution discharge pipe; a central diagnosing monitor automatically sets the pollution discharge time according to the measured PH value, so that the pollution discharge amount is automatically controlled; and the pollution discharge speed is increased continuously along with the increase of the pH value, and in addition, along with theincrease of the pH value, the continuously increasing magnitude of the pollution discharge speed is smaller and smaller. According to the boiler system, the change of the relation between the pollution discharge amount increasing magnitude and the pH value can correspond to the actual pollution discharge amount, so that the pollution discharge efficiency can be improved as soon as possible, and the heat loss is avoided.

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 high-resolution time interval measurement device with automatic correction function of the present invention adds an automatic correction circuit on the basis of the prior art. The automatic correction circuit generates the correction start signal pulse, the correction stop signal pulse and the system clock, and inputs them into the input conditioning circuit to generate pulse width values ​​of T1 (positive phase clock) and T2 (inverted phase clock) time interval signals Δtstart, Δtstop , time intervals Nstart_1, Nstop_1 (positive-phase clock) and Nstart_2, Nstop_2 (inverted clock) are measured respectively in time-amplitude converters TAC1, TAC2, since the pulse width values ​​T1 and T2 are known, according to these The calculation of the value can offset the influence of the gain coefficient and the delay deviation, thereby correcting the value of the time interval to be measured and further improving the measurement accuracy of the time interval.

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 provides a boiler system. The boiler system has the advantages that automatic control is performed according to the quantity of steam generated by a boiler and the quantity of water fedinto the boiler, the boiler performs blowdown regularly, and a central monitoring diagnosis controller automatically sets blowdown quantity according the mass ratio of the steam to the water; the monitoring diagnosis controller is in data connection with a cloud server so as to conveniently transmit monitored data to the cloud server, the cloud server is connected with a client, and the client canobtain the monitored data through the cloud server; the client can timely master the operation condition of a boiler blowdown system, blowdown parameter regulation can be performed timely through theclient, and a large amount of energy waste caused by boiler blowdown system failure is prevented.

The invention provides a control system for improving the line impedance stabilizing network low-frequency sampling precision, and the control method thereof. The system comprises a T network unit, a decoupling unit, a communication control unit, an attenuator unit, measuring equipment and measured equipment. The decoupling unit is connected with the T network unit, the communication control unit, the measuring equipment and the measured equipment respectively; and the attenuator unit and the measuring equipment are connected in the forward direction. An inner relay is controlled by the communication control unit to select different sampling and decoupling capacitors in the decoupling unit; and combined with the design of output attenuator unit, the invention provides a convenient and effective scheme for improving the line impedance stabilizing network low-frequency sampling precision in a carrier communication performance test.

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.

The invention provides an automatically-controlled boiler system. The automatically-controlled boiler system comprises a monitoring and diagnosing controller and boilers; each boiler comprises a blow-off pipe arranged at the lower end of a boiler drum, the boiler drum further comprises a water quality analyzer, the water quality analyzer comprises a PH value testing unit used for measuring the PH value of water in the boiler drum, and the water quality analyzer is in data connection with the monitoring and diagnosing controller so as to receive measured PH data; and the monitoring and diagnosing controller is in data connection with a cloud server so as to transmit the monitored data to the cloud server, the cloud server is connected with a client side, and the client side can obtain the monitored data through the cloud server. According to the boiler system, the blow-off amount of the boilers is automatically calculated by monitoring the PH data of the boilers in real time, the blow-off time and the blow-off speed are adjusted according to the blow-off amount, the operation condition of a blow-off system of the boilers can be timely mastered by the client side, the blow-off parameters can be timely adjusted through the client side, and a large amount of heat energy waste caused by faults of the blow-off system of the boilers can be prevented.