7 results about "Microprocessor control unit" patented technology

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 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.