18 results about "Microcomputer system" patented technology

The invention relates to the technical field of software design, and provides a log recording method and device suitable for a single-chip microcomputer program. When the single-chip microcomputer system is started, the log system obtains the current storage state from the storage system; when the log recording event is detected, receiving original log data from the corresponding application module from the bus interface; according to the original log data, log information needing to be recorded is obtained; according to the current storage state, storing the log information to the storage system through the bus interface; according to the log recording method and system, the practicability of a log recording function is improved in a mode of constructing a log system and using software abstraction, the cost for realizing the log recording function is reduced, and the problem that various logs in a single chip microcomputer system cannot be efficiently, reliably, accurately and rapidly recorded is solved.

The present application relates to filter press equipment technical field, specifically to a kind of high-efficiency fully automatic slurry preparation filter washing system, including multiple slurry preparation pools, washing medicine pool and clean water pool, slurry preparation pool top surface is fixedly installed with slurry preparation pump, slurry preparation pump output end is fixedly connected with slurry preparation pipeline, slurry preparation pipeline output end is fixedly connected with first liquid storage tank, slurry preparation pipeline and first liquid storage tank junction place are fixedly installed with slurry preparation flowmeter, first liquid storage tank side is fixedly connected with slurry preparation sampling bottle, slurry preparation sampling bottle side is fixedly connected with slurry preparation concentration meter;First liquid storage tank side is fixedly connected with first electric control valve, first electric control valve is connected with microcomputer system by circuit, first electric control valve output end is fixedly connected with filter press pump, filter press pump output end is fixedly connected with filter press, and filter press side is fixedly connected with hydraulic station;The present application can reduce slurry pool, stirring and other hardware facilities, directly metering dispensing formula material by slurry pump, reduce error, improve the stability of finished product.

The invention belongs to the technical field of single-chip microcomputers, and particularly relates to a single-chip microcomputer system and a reset circuit thereof. The reset circuit comprises a driving unit and an output unit, the driving unit comprises a first current-limiting resistor and a reset capacitor which are connected in series between a power supply and a grounding end, and the series connection point of the first current-limiting resistor and the reset capacitor is in control connection with the output unit, so that when the voltage of the power supply meets a reset voltage threshold value, the output unit is reset. The output unit outputs a reset signal used for resetting the single chip microcomputer, and the driving unit further comprises divider resistors connected to the two ends of the reset capacitor in parallel, so that the reset voltage threshold value can be adjusted by adjusting the resistance values of the divider resistors and / or the first current-limiting resistor. The reset circuit solves the technical problem that in the prior art, due to the fact that the reset threshold voltage of a reset circuit is not adjustable, the applicability to different single-chip microcomputers is not high.

The application discloses a stable and reliable single-chip system communication method, which comprises a master controller and a slave controller, and the communication method comprises the following steps: S1, the master controller and the slave controller are powered on, and the master controller and the slave controller are communicated through a first communication line and a second communication line; S2, a third timer starts to accumulate time, and it is judged whether a response signal is received by a first signal receiving port within a preset time of the third timer; if yes, the third timer is cleared, and the master controller processes the response data; if not, the communication mode of the master controller and / or the slave controller is adjusted according to the connection state of the first communication line and / or the second communication line. The application can reduce the failure rate and keep the system normal operation.

The invention relates to the technical field of testing machine metering, in particular to a metering device for the moving speed of a testing machine beam. The device comprises a base, a fixed ruler, a sliding ruler, a magnetic base and a single-chip microcomputer system integrated in the sliding ruler. And the magnetic base is used for adsorbing and fixing the sliding ruler on a movable cross beam of a testing machine. When the cross beam moves, the sliding ruler is driven to move relative to the fixed ruler, and the displacement sensor integrated in the sliding ruler detects displacement in real time and generates an electric signal. The single-chip microcomputer system starts to continuously collect displacement and time data after receiving a user starting instruction, and calculates and displays the moving speed of the cross beam in real time according to the ratio of the displacement variable quantity to the time. Displacement measurement and time measurement are integrated, automatic, accurate and real-time measurement of the moving speed of the cross beam is achieved, manual operation errors are effectively avoided, and the metering efficiency and the result reliability are remarkably improved.

Disclosed are an online detection apparatus and method for a turn-to-turn short circuit in an injection generator outlet PT. The apparatus comprises a voltage source, a band-pass filter, a switch, a resistance voltage divider, a current transformer and a microcomputer system, wherein the voltage source is connected to a secondary side of a generator outlet PT through the band-pass filter and the switch in sequence; the resistance voltage divider is connected in parallel to the secondary side of the generator outlet PT; the current transformer is connected in series to a power source loop; and the microcomputer system is connected to outputs of the resistance voltage divider and the current transformer, and is used for processing and analyzing data, determining whether there is a fault in the outlet PT, and raising an alarm. The present invention solves the problem in existing detection methods for the insulation state between PT turns of generators necessarily being shut down, which is not conducive to the timely and effective detection of insulation defects, and thus the efficiency is low and the accuracy is poor.

The invention discloses an electric energy data security storage method based on power failure detection and cache compression, and belongs to the technical field of intelligent single-chip microcomputer systems. The method specifically comprises the following steps: after electrification, detecting keg data, reading and storing all electric energy data, further embedding a pre-trained model, and constructing a transaction log; based on the electric energy data accumulated in real time, creating a timed task and setting a trigger condition, when the condition is triggered, executing a specific task and updating a transaction log; on the basis of a software-hardware combination mechanism, it is ensured that data can be stored in time and a transaction log can be updated when power failure is abnormal; and when the power is recovered, executing an initialization stage to recover data, further predicting a power failure reason by using a pre-trained model, and updating a transaction log. Through a software and hardware fusion algorithm technology, the problem of loss of the electric energy data under an abnormal condition is solved, and the safety of the electric energy data is ensured.

The invention provides an automatic power-on and power-off test system and method. The automatic power-on and power-off test system comprises an upper computer, a single-chip microcomputer system connected with the upper computer, and a storage chip, a power switch and a power monitor chip which are connected with the single-chip microcomputer system. The upper computer and the single-chip microcomputer system are connected with a tested device. The power switch and the power monitor chip are connected with a tested device. The upper computer is used for sending a control instruction including test parameters to the single-chip microcomputer system. The single-chip microcomputer system is used for controlling the power switch and the power monitor chip to complete power-on and power-off tests on the tested equipment according to the control instruction, and the power switch is used for controlling the on-off of the power supply of the tested equipment according to the instruction of the single-chip microcomputer system; the power monitor chip is used for acquiring test data of operation of the tested equipment according to an instruction of the single-chip microcomputer system; and the storage chip is used for storing test parameters and test data of the tested equipment. According to the invention, a complex and configurable power-on and power-off test cycle can be automatically executed through research and development and mass production stages.

The utility model discloses an HXN5B / HXD3D locomotive analog quantity signal generation protection detector which comprises a rotating speed signal generation device and a pressure and temperature signal generation device. The input end of the rotating speed signal generating device is connected with a power supply, the output end is connected with the HXN5B microcomputer system, the input end of the pressure and temperature signal generating device is connected with the power supply, and the output end is connected with the HXN5B microcomputer system or the HXD3D microcomputer system in parallel. According to the utility model, rotating speed signals are provided through the rotating speed signal generating device, pressure and temperature signals are provided through the pressure and temperature signal generating device, and the working condition of a microcomputer system is simulated, so that each pressure, temperature and rotating speed protection system of an HXN5B microcomputer system or an HXD3D microcomputer system is tested.

The application relates to the technical field of embedded software systems, and provides a NOR Flash-based file management method and system.The method comprises the following steps: NOR Flash is divided into a linked list area and a data area, the linked list area is provided with a plurality of first sectors, and the data area is provided with a plurality of second sectors; an erasing transfer sector is reserved in the linked list area; when the corresponding first sectors of the linked list area are updated to be full of a type of management information, part of the management information in the corresponding first sectors of the linked list area is transferred and erased based on the reserved erasing transfer sector; and when the corresponding second sectors of the data area are written full of a type of data content, the data content written in the corresponding second sectors in the front part is erased according to the order of writing data, and the data content written in the corresponding second sectors in the rear part is reserved.The application pre-allocates space for each file, simultaneously considers erasing balance, and is suitable for a single-chip microcomputer system with resource shortage.

The invention discloses a high-stability bionic mechanical deer beneficial to interaction with children and a control method, through the combination of a double-triangular trapezoidal structure and a four-bar mechanism, the stability and self-locking function of four limbs are obviously enhanced, and the safety of equipment during movement and static is ensured. A driving system with a worm gear, a worm and a crank shaking is adopted, bionic movement of displacement is achieved through a stepping motor, and the rod accuracy and flexibility of movement are improved. The device integrates voice control, Bluetooth control and a 32 single-chip microcomputer system, a user can achieve various actions through voice or remote operation, operation is easy and convenient, and interactivity is high. And by adopting the aluminum-plastic combined skeleton material, light weight and cost control are realized, and meanwhile, a vibration damping mechanism with a rubber ring is arranged, so that the movement stability of the equipment in a complex environment is enhanced.

The application provides an auxiliary safety device for a safety belt and a safety monitoring method thereof, comprising a plurality of first ultrasonic ranging sensors and a plurality of second ultrasonic ranging sensors for respectively performing ranging in a horizontal direction and a vertical direction to obtain horizontal ranging data and vertical ranging data; a gyroscope for detecting pose data; a microcomputer system is used for analyzing the horizontal ranging data, the vertical ranging data and the pose data, performing an evaluation on a use safety state of the safety belt corresponding to the auxiliary safety device, judging whether the safety belt has a risk of 'low hanging and high use', and sending the evaluation result to a monitoring center by using a wireless communication module, so that the monitoring center can timely send an alarm notification to a user of the safety belt, and the user can adjust the use of the safety belt according to the safety alarm notification sent by the monitoring center; the auxiliary safety device is used in cooperation with the safety belt, can adapt to the situation that the position of a person frequently changes in a construction site, timely reminds the person of the risk of 'low hanging and high use' of the safety belt, and improves the safety management reliability of the construction.

The utility model discloses a detection and control device for a high-voltage power grid. Comprising a power input unit, a first boosting transformer unit, a second boosting transformer unit, a first high-voltage relay control unit, a second high-voltage relay control unit, a high-voltage power grid unit, a first voltage detection unit, a second voltage detection unit, a first current detection unit, a second current detection unit and a single-chip microcomputer system. The power input supplies power to the whole machine, and the two boosting transformer units are controlled by the single-chip microcomputer to generate high voltages with opposite phases, and the high voltages are transmitted to the high-voltage power grid unit through the two high-voltage relay control units respectively. The two voltage detection units are used for detecting the voltage on a high-voltage power grid respectively, and the two current detection units are used for detecting the output current of the two boosting transformer units respectively; according to the detected voltage and current, the single chip microcomputer judges whether net touching, line breaking, short circuit and the like are generated or not, outputs functions and uploads information; and the other high-voltage line keeps the striking capability and the boosting transformer has no abnormal temperature rise during short circuit.

The control system of the electromagnetic water meter comprises the water meter, the water meter comprises an electromagnetic flow sensor and an electromagnetic flow converter, and the electromagnetic flow sensor comprises a measuring guide pipe, a measuring electrode, an excitation coil, a measuring state judging electrode and a horizontal plane balance pipe. The measuring electrode, the magnet exciting coil and the measuring state distinguishing electrode are all installed on the measuring conduit, the measuring conduit is provided with a thick pipe section, the measuring state distinguishing electrode is installed on the thick pipe section, and the horizontal plane balance pipe is connected with the thick pipe section; the electromagnetic flow converter comprises a single-chip microcomputer system, a controllable excitation current module, a constant current power supply, a flow signal amplification part and a power supply part. The measurement state distinguishing electrode is in signal connection with the single chip microcomputer system; the electromagnetic induction measuring principle is adopted, no mechanical movable part exists, mechanical abrasion is avoided, the measuring precision is high, the requirement for 0.3-0.5 level measuring precision is met, and the problem that a traditional mechanical water meter is low in measuring precision is solved.

The present application belongs to control method, specifically relates to a kind of in-situ leaching mine evaporation pond liquid level alarm and automatic control method.A kind of in-situ leaching mine evaporation pond liquid level alarm and automatic control method, comprising the following steps: step 1, making installation liquid level pole body;Step 2, install sensor;Step 3, sensor connection;Step 4, control execution;Step 5, install PLC or single-chip microcomputer system, wiring debugging;Step 6, control center accesses relevant signal.The present application has the following remarkable effects: at the same time, three kinds of automatic linkage system of liquid level are established, and automatic control and liquid level alarm can be realized.

The application discloses a modified tool on-line temperature measuring system for surface function reconstruction and a temperature compensation method thereof, belongs to the tool temperature measuring technical field in mechanical modification processing, and carries out real-time monitoring and feedback on processing temperature, so that error compensation is carried out on a compensation scheme of a CNC machining center spindle origin translation strategy by taking the processing temperature as a compensation signal. According to the application, the temperature data containing electrical signals collected and converted by a wireless temperature monitoring module in the modified tool are taken as input, the signals are input into a single-chip microcomputer system, the modified processing thermal error amount of the CNC machining center is obtained through single-chip microcomputer calculation, the obtained modified processing thermal error amount is taken as an original compensation signal, the original compensation signal is sent to a CNC machining center controller through an I / O port line, the CNC system spindle reference origin is offset according to the principle of the CNC machining center origin translation method, and the offset is added to a control signal of a servo loop to realize the compensation of the processing thermal error amount of the CNC machining center spindle, so that the processing precision of the modified tool of the CNC machining center and the surface performance of the modified part are ensured.

The application discloses an industrial camera system and method for solution clarity detection, and belongs to the technical field of solution clarity detection, which comprises a solution bottle for testing, an operation table and a microcomputer system; the microcomputer system is electrically connected with a sampling assembly for taking liquid, a shooting assembly for shooting and a background table for providing a shooting background, the background color of the background table is adjusted in a color contrast system or a color collision system with the color of the liquid in the sample solution bottle; the background table and the solution bottle for testing are both installed on the operation table, and the solution bottle for testing is located between the background table and the shooting assembly. The background table and the shooting assembly cooperate to realize complete imaging, and the application has the advantages of simple operation, low cost, objective and unified detection effect, and the like. The solution can be detected without damage by relying on a sensor element, and the qualified solution after detection can still be subjected to the next process, so that the detection cost is reduced.

The invention relates to the field of energy conversion, signal processing and feedback control, in particular to an intelligent air suspension bearing system. A main body comprises an air suspension bearing, a feedback control system, an air pump and a pipeline. The air floating bearing is composed of an outer ring and an inner ring, and the feedback control system is composed of a sensing unit and a processing-regulating unit. The sensing unit is composed of an insulating layer, an interdigital electrode layer and an electret layer, wherein the insulating layer and the interdigital electrode layer are sequentially attached to the inner surface of an outer ring of the air floating bearing, and the electret layer is attached to the outer surface of an inner ring of the air floating bearing. The processing-regulating unit is integrated on the side face of an outer ring of the air floating bearing through the micro-nano machining technology and is mainly composed of a battery, a single-chip microcomputer system and a relay. The air pump is connected with the air floating bearing outer ring through a pipeline, and the control end of the air pump is electrically connected with the processing-regulating unit. The interdigital electrode layer in the sensing unit is electrically connected with the processing-regulating unit; according to the intelligent air suspension bearing system, monitoring of the rotating speed and the running state of the air suspension bearing and self-correction of the deviation behavior are achieved.