13 results about "Microprocessor control unit" patented technology

This application provides an FSU device and data transmission method supporting multiple slots and multiple types of expansion cards, relating to the field of environmental monitoring technology. The FSU device supports multiple expansion slots, each of which can accommodate different types of expansion cards, thereby meeting diverse interface requirements in different scenarios and transmitting various types of data. The FSU device includes an FSU processing unit, a universal serial bus hub, and multiple expansion cards: the FSU processing unit is connected to the USB hub via a USB interface; each downstream interface of the USB hub serves as an expansion slot for connecting expansion cards. The expansion cards implement the function of transmitting corresponding types of data through a microprocessor control unit. The type of expansion card is related to its own function. The expansion card can determine its own communication address according to the expansion slot it is inserted into. The expansion cards are also connected to power and environmental equipment, and the FSU processing unit can transmit data with them according to the type and communication address of the expansion cards.

The utility model relates to a one-master multi-slave serial peripheral interface bus circuit, which comprises a plurality of microprocessor control unit master devices, a plurality of microprocessor control unit slave devices, a plurality of level conversion interface chips and isolating diodes, the microprocessor control unit enters a signal main road from a master-in and slave-out bus signal of the equipment through the diodes, and the isolating diodes are arranged between the corresponding microprocessor control units and the corresponding level conversion interface chips, so that the bus level is changed from not 3V to 5V through the level conversion chips; bus signals are output after passing through the level conversion chip, the threshold value of device damage is improved, protection of the micro-processing control unit is achieved, signal isolation is achieved through the rapid on-off diode, the situation that multiple signals drive the bus signals at the same time, and data receiving is wrong is avoided, and the reliability of the device is improved. The safety and the reliability of the serial peripheral interface bus circuit of the avionics equipment can be improved.

A remote monitoring system (1) for bathers, comprising at least one portable device (2) wearable by the bather, at least one gateway device (3) and a server (4), wherein the portable device (2) comprises a microprocessor control unit (5) provided with an internal clock (6) and connected to the gateway device (3) via connection means (7). The microprocessor control unit (5) is configured to send a data packet (9) via the gateway device (3) to the server (4) at intervals predetermined by the internal clock (6), and a software code (10) is installed in the server (4), the software code (10) being provided with a counter (11) configured to reset each time the server (4) receives the data packet (9). The software code (10) is configured to generate at least one alarm signal (12) when the counter (11) exceeds a predetermined value corresponding to an assigned safety time threshold (T).

The utility model belongs to the technical field of low-voltage electric welding machines, and particularly relates to a land and water cutting, welding and forcible entry all-in-one machine, which comprises a power supply unit, a weak current unit, a microprocessor control unit, a voltage detection unit, a current detection unit and a driving unit, the power supply unit supplies power to the whole system, the weak current unit supplies power to the microprocessor control unit, and the voltage detection unit supplies power to the microprocessor control unit. The voltage detection unit is used for detecting system voltage and sending a system voltage value to the microprocessor control unit, the current detection unit is used for detecting current consumed by the driving unit and sending a signal to the microprocessor control unit, and the microprocessor control unit outputs a PWM (Pulse Width Modulation) signal to control the driving unit to work. And the power supply unit comprises a direct current power supply circuit and an alternating current power supply circuit, and has the advantages of low-voltage welding, safety, reliability, flexible and diversified power supply and the like.

The utility model discloses a fire-fighting fan control system, which comprises a microprocessor control unit connected with an uninterruptible power supply, a relay and a fire-fighting fan and used for detecting a first operation state of the uninterruptible power supply and a second operation state of the fire-fighting fan and sending a control signal to the relay according to the first operation state and the second operation state, wherein the control signal is used for controlling a power supply of the fire-fighting fan to be switched off; and the relay is connected with the uninterruptible power supply and the fire-fighting fan and is used for responding to the control signal and controlling the power supply of the fire-fighting fan to be switched off under the condition that the control signal is received. By means of the fire-fighting fan control system, the problem that in the related technology, due to the fact that the fire-fighting fan is directly connected with the external power grid, when thermal runaway happens to the energy storage container, starting and stopping control over the fire-fighting fan is inaccurate is solved.

The application provides an intelligent secondary circuit aviation plug for a switch cabinet, a control system and an intelligent control method, and comprises a plug body, wherein a state sensing module, an identity recognition module, an intelligent protection module, a state indication module, a microprocessor control unit and a communication module are integrated in the plug body; wherein the state sensing module comprises at least two of a temperature sensor, a mechanical state sensor and an insulation monitoring circuit. The control system comprises a reader-writer and an intelligent management unit, and is used for identity authentication, state monitoring and remote protection control. The intelligent control method comprises identity authentication, state acquisition, hierarchical early warning and active protection steps. The application realizes multi-dimensional real-time state monitoring of the secondary circuit plug, digitized management, active fault isolation and visual indication, and significantly improves the reliability, maintainability and intelligent level of the secondary circuit connection of the switch cabinet.

FIELD: pipelines.SUBSTANCE: invention is used for searching and tracing underground pipelines, including non-metallic ones. The shock pulse generator comprises a housing with a mount to a support structure, which is attached to a pipeline, an electromagnetic coil with a movable ferromagnetic core, a striker mounted on an elastic suspension, a power source and a microprocessor control unit connected to a pulse duration generator, a keyboard and an indicator. The body with the coil and core is located at an angle of 30-60° to the longitudinal axis of the pipeline, and the direction of the impact is oriented at an angle to its wall, which ensures the excitation of shear and tangential acoustic waves.EFFECT: increasing the directivity and amplitude of the acoustic signal, increasing the range and accuracy of route detection, and reducing the influence of external noise.4 cl, 3 dwg

The invention discloses a miniature circuit breaker with load detection and temperature detection, and relates to the technical field of low-voltage electrical appliances, a circuit breaker body comprises a current detection module, one end of a microprocessor control unit is in electrical output connection with a communication module, and the other end of the microprocessor control unit is in electrical output connection with an alarm unit; the alarm unit is in electrical output connection with the display unit; the functions of load monitoring, temperature monitoring, traditional protection, intelligent early warning and remote communication are integrated, and the technical additional value of the miniature circuit breaker is greatly improved; active safety: through temperature monitoring and correlation analysis with current, hidden faults such as poor contact and the like which cannot be found by a traditional circuit breaker can be effectively identified and warned, and the prevention capability of electrical fire disasters is greatly improved. And intelligent management: data remote transmission is realized through a communication module, detailed power utilization data and historical records are provided for users, remote opening and closing operation is supported, and intelligent power utilization management and fault diagnosis are convenient to realize.

The utility model relates to the field of mining explosion -proof combination frequency converter discloses a modular mining explosion -proof combination frequency converter, include: cable introduction device, the cable introduction device includes the casing one, be provided with in the casing one and charge unit storehouse of disconnecting switch, binding post, input electric reactance ware, function module, the function module includes frequency conversion machine core control module, power frequency control unit module, lighting unit module, soft start module and switch module, control module, control module includes microprocessor control unit, control binding post, binding cavity. In the utility model, through the cable introduction device, function module and control module mutual cooperation, realize control many equipment, equipment maintenance cost is low, and equipment floor space is small.

The present application relates to the field of equipment control technology, and discloses a method, device and equipment for dynamic speed regulation and control of solder paste stirring equipment. The method includes: initializing a microprocessor control unit in a solder paste stirring system to obtain a system initialization parameter matrix; real-time acquisition and filtering of solder paste temperature and viscosity to obtain a solder paste state vector and a solder paste viscosity-temperature characteristic curve; state space modeling and Kalman filtering calculation of the solder paste stirring system to obtain a system state estimation result; linear matrix inequality constraint construction and objective function optimization solution of the system state estimation result to obtain a first control gain matrix; based on the first control gain matrix, a stirring mode is selected and a feedforward-feedback composite control calculation is performed, and a stirring motor control input signal is output, thereby achieving high-precision control of the stirring speed and improving the reliability and robustness of the solder paste stirring system in complex industrial environments.

A railway vehicle is provided with a pantograph movable under the action of a moving device between a raised position, in which it is able to cooperate in contact, in use, with a catenary conductor cable for drawing electrical energy, and a lowered position, in which it is lower than the height where, in use, such catenary is provided; the vehicle is provided with a battery pack and a control system for controlling the moving device and therefore lowering / raising the pantograph; the control system has a microprocessor control unit configured to control the moving device in response to signals containing information indicative of the actual position of the vehicle, and / or indicative of the presence or absence of the conductor cable in the vicinity of the vehicle.

The invention provides a battery compartment intelligent heat management system based on a spiral heat exchange structure and a working method. The battery compartment intelligent heat management system comprises a double-spiral heat exchange structure body, a temperature sensing array, a microprocessor control unit and a multi-channel fluid control valve group, the double-spiral heat exchange structure body comprises two spiral heat exchange channels, the first heat exchange channel communicates with the cooling liquid channel through a multi-channel fluid control valve set, and the second heat exchange channel communicates with the heating fluid channel or the environment air channel through the multi-channel fluid control valve set; the temperature sensing array is arranged at the position of the battery cell and collects battery temperature data in real time; the microprocessor control unit generates a control instruction through a sectional type PID-logic hybrid algorithm according to the battery temperature data; and the multi-channel fluid control valve group switches the cooling liquid, the heating fluid or the ambient air according to the control instruction. Accurate prediction and active adjustment of the temperature of the battery pack are realized, and the thermal safety, the cycle life and the energy utilization efficiency of the battery system are effectively improved.

The invention discloses an intelligent pneumatic electromagnetic switch valve with a valve position feedback function and a control method. The intelligent pneumatic electromagnetic switch valve comprises a valve body and valve element assembly, an electromagnetic driving assembly, a power driving and detecting circuit, a valve position detecting assembly and a microprocessor control unit. The valve body and the valve core assembly are used for enabling the valve core and the channel structure to form a gas path switching unit; the electromagnetic driving assembly is used for driving the valve element to be opened and closed. The power driving and detecting circuit is used for driving the electromagnetic coil and collecting coil voltage and current and valve element valve position signals in real time. The valve position detection assembly is used for obtaining a valve position signal of the valve element. The microprocessor control unit is used for resolving the position of a valve element in real time and conducting sectional type PWM control decision making according to the real-time valve position, coil current and the instruction switch state. Executing a light-weight position adjustment algorithm according to the valve position error to calculate a driving coil current; real-time continuous detection of the position of the valve element is achieved, the driving current is automatically adjusted, and the electromagnetic valve has the intelligent, self-adaptive and high-reliability action capacity.