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

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 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 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 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 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.