30results about How to "Control switch state" patented technology

The invention discloses a rotary solid material fermentation device, which comprises: a housing, a heat preservation cover is provided on the outer wall of the housing, and a heat preservation chamber is formed between the housing and the heat preservation cover. A plurality of heating sheets are arranged at intervals; a motor, a central column is fixedly connected to the rotating shaft of the motor; a stirring column; multiple sets of brackets, the multiple sets of brackets are fixed to the inner wall of the housing at intervals up and down; multiple material trays , the side wall of the material tray includes a first steel plate and a second steel plate whose ends are butted to form a ring-shaped cylinder, and the bottom surface of the material tray includes a fan-like second bottom plate and has a shape suitable for the second bottom plate. A circular-shaped first bottom plate with a notch, and a steel wire is fixedly connected to one end of the second bottom plate close to the stirring column; wherein, the stirring column is fixedly connected with a short column, and the short column runs through the stirring column horizontally. The invention has the beneficial effects of simple operation, uniform stirring, good drying effect and high inoculation rate.

The invention discloses a fault-tolerant control system and a control method of a four-DC motor series system. The current value of the output terminal of the five-phase voltage source type fault-tolerant inverter module is used to reconstruct the actual current, the fault detection and the fault-tolerant control module to judge the four Whether the DC motor fails, and set the reference torque value of the corresponding motor to zero; the reference torque of the motor is calculated by the difference between the reference speed and the actual speed through the PI regulator and the reference torque calculation module; the calculated torque The difference between the torque and the reference torque is given to the hysteresis comparator module, and then the output voltage of the hysteresis comparator is given to the PWM module to generate a control signal that can drive the working bridge arm of the inverter and give it to the corresponding On the bidirectional thyristor, if the motor fails, the corresponding bidirectional thyristor is turned off, so that the flow torque is zero, and the pulsation of its electromagnetic torque is output at a minimum, ensuring the normal operation of the other motors in the system, improving the control performance, and realizing the protection of the motor system .

The invention discloses a lower-control water-saving water valve which comprises an outer casing, a sealing cavity, a center shaft, a sealing cover, an inner casing, a universal ball, a transmission device and a limit barrel. The outer casing comprises an upper section and a lower section which are communicated with each other, a drain hole is arranged at the center of the sealing cavity, the sealing cavity is mounted in a cavity of the upper section of the outer casing, the center shaft penetrates through the upper section and the lower section of the outer casing and can move up and down, the sealing cover is mounted on the center shaft and positioned above the drain hole, the inner casing is mounted in a cavity of the lower section of the outer casing and used for mounting the universal ball, the transmission device and the limit barrel, the universal ball, the transmission device and the limit barrel are mounted in the inner casing, upward power rotatably generated by the universal ball is transmitted to the center shaft through the transmission device, and the limit barrel is used for limiting the transmission device and the center shaft. The opening and closing state of the water valve can be controlled by controlling rotation of the universal ball positioned at a water outlet below the water valve, and the lower-control water-saving water valve has the advantages of accuracy in control, cleanness and sanitation.

The invention discloses a method and a system for controlling log information. The method comprises the steps of loading log configuration information which is generated according to kernel module log information from an NVM (Nonvolatile Memory) to specified memory space of an electronic device, controlling a processing system to read the log configuration information when the processing system is started, and thus controlling on-off state of a corresponding log. Therefore, the on-off state of the log information can be effectively controlled by using the technical scheme disclosed by the invention, and thus the on-off state can be known by technical staff; simultaneously, the log configuration information is generated according to the kernel module log information, thus the on-off state of the log information corresponding to an optional kernel module can be effectively controlled, the flexibility can be increased, and the using sense of a user can be better.

The invention relates to a disinfection cabinet working process control method which is used for controlling a working process of a disinfection cabinet. The method is characterized in that the methodincludes the following steps: Step 1, after the disinfection cabinet enters a working mode, collecting a humidity value H in the cavity of the disinfection cabinet in real time, determining a relationship between the humidity value H and a preset humidity value A, entering a high humidity control mode if H>=A, and entering an ultraviolet lamp interstice turn-on control mode if H<A. Compared withthe prior art, the advantages of the disinfection cabinet working process control method are that the control method of the invention can independently select the corresponding disinfection modes according to internal environment of the cavity of the disinfection cabinet, wherein one mode is high energy-saving disinfection and the other mode is ultraviolet lamp interstice turn-on that is moderately energy-saving, can control a switching state of an ultraviolet lamp in a disinfection chamber according to the performance such as the law of ozone generation and the shielding of ultraviolet rays,and also control the interstice turn-on times of the ultraviolet lamp considering the characteristics of decomposition at normal temperature and pyrolysis of ozone.

An embodiment of the invention discloses an LED lamp overheat protection circuit comprising an LED driving module, an LED lamp, a thermistor, a control chip, and a relay. One end of the thermistor is connected to the negative electrode of a power supply, and the other end of the thermistor is connected with the threshold end of the control chip. The output end of the control chip is connected with the power input end of the relay, the common end of the relay is connected to the positive electrode of the power supply, the normally closed end of the relay is suspended, and the normally open end of the relay is connected with the power input end of the driving module. The output end of the driving module is connected with the LED lamp. The control chip controls the state of the relay according to the voltage under different resistances of the thermistor, the state of the LED driving module is determined by the state of the relay, and thus, on-off of the LED lamp is determined. By adopting the LED lamp overheat protection circuit of the invention, the LED lamp can be turned off when the temperature of the LED lamp is too high, and the safety of the LED lamp is improved.

The invention discloses a multi-layer solid material fermentation device, comprising: an outer cylinder; an inner cylinder, the side wall of the inner cylinder is provided with a plurality of air vents, and each air vent is located on one side of the inner wall of the inner cylinder The uniform cover is equipped with a blocking mechanism; a stirring column; a plurality of material trays, the side walls of the material trays include a first steel plate and a second steel plate whose ends are butted to form an annular cylinder, and the bottom surface of the material tray includes a fan-like The second bottom plate, and the annular first bottom plate with a notch suitable for the second bottom plate; wherein, the stirring column is fixedly connected with a strip scraper above each material tray; the second bottom plate is close to One end of the stirring column is fixedly connected with a steel wire, and the other end of the steel wire passes through the second ferrule and is fixed on the first ferrule, the steel wire moves down, the second bottom plate is in an open state, and the steel wire Move up, the second bottom plate is in the closed state. The invention has the beneficial effects of simple operation, uniform mixing, good drying effect and high inoculation rate.

An embodiment of the present invention provides an image acquisition device, a device control method, a device, and a storage medium, wherein the image acquisition device includes: a processor, an infrared lamp, and a white light lamp; the processor is used to acquire current acquisition parameters; Wherein, the current acquisition parameters include: magnification, ambient brightness and gain information; the processor is also used to determine the size relationship between the magnification and the preset first threshold and second threshold; according to the magnification The size relationship between the first threshold and the second threshold, as well as the ambient brightness and the gain information, controls the switching status of the infrared lamp and the white light lamp; wherein, the first threshold less than or equal to the second threshold. The embodiments of the present invention can provide light sources through white light lamps and infrared lamps to ensure moderate brightness of the environment where the image acquisition device is located, thereby improving the quality of images collected by the image acquisition device.

The application provides a common mode peak suppression method for a robot servo driver IMC, comprising the following steps: dividing the input voltage of the rectification stage into 6 rectification stage sectors according to the phase angle; in each rectification stage sector, the reference current vector is composed of two Two adjacent effective current vectors are synthesized; the output voltage of the inverter stage is divided into six inverter stage sectors by six effective voltage vectors; the effective current vector of the rectification stage sector where the current reference current vector falls into is calculated respectively The magnitude of the common-mode voltage under the action of 6 effective voltage vectors; select the 3 effective voltage vectors corresponding to the smaller common-mode voltage V α , V β , V γ , synthesize the reference output voltage vector; adjust the effective voltage vector according to the three-phase current direction of the inverter stage sector where the current reference output voltage vector is located V α , V β , V γ Switch order. The method provided in the present application can suppress the common-mode voltage to 29%, and eliminate the common-mode voltage spike generated by the dead zone effect.

The invention provides a refrigerator, a compressor start control method and a compressor start control system. The compressor start control method includes the steps that current environment temperature is acquired; whether the current environment temperature is smaller than or equal to a first temperature preset value or not is judged; when it is judged that the current environment temperature is smaller than or equal to the first temperature preset value, a first temperature detection device arranged in a refrigerating chamber controls the on-off state of a compressor; and when it is judged that the current environment temperature is not smaller than or equal to the first temperature preset value, a second temperature detection device arranged in the refrigerating chamber controls the on-off state of the compressor. By the adoption of the technical scheme, it can be effectively guaranteed that the compressor of the refrigerator can be smoothly started when the environment temperature of the refrigerator is too low, and normal work operation of the refrigerator is guaranteed; a compensation heating device is prevented from being arranged in a refrigerator inner container of the refrigerator, and the freshness retaining performance of stored objects is prevented from being affected when the stored objects are placed attached to the refrigerator inner container; the temperature of the refrigerating chamber of the refrigerator can be accurately controlled, and therefore user experience is improved.

The invention relates to the technical field of refrigeration equipment, and provides a refrigerated heating conversion box for a lattice cabinet. The cold air from the cold source or the hot air from the heater flows downward from the left channel. When the lattice door is opened, the damper presses the opening and closing door by its own gravity. The transmission shaft moves to the right, the damper baffle blocks the air inlet, and the damper closes; when the lattice door is closed, the lattice door presses the switch door to move the transmission shaft to the left, the damper rotates and opens, and the cold air from the cold source or the hot air from the heater flows from The air inlet of the damper enters the air inlet to ensure the temperature balance inside the box of the grid. The invention opens the lattice door, and the air door is automatically closed to prevent the internal air from exchanging with the outside. It does not need power-consuming equipment such as a motor, and has a simple structure. switch status.

The invention belongs to the technical field of notebook safe locks, and in particular, relates to a safe lock for loose-leaf notebooks. The safe lock comprises a loose-leaf clamp, a notebook cover, alock block and a lock fixing block; when people use the designed notebooks, and when users need to close the notebooks, a characteristic identifying module performs identification; a driving motor isdriven to work through fingerprint characteristics or Bluetooth signals induced by the characteristic identifying module; a U-shaped clamping piece is rotated into a U-shaped lock groove of the corresponding lock block; through the lock block and the lock fixing block, upper and lower fixing plates of the notebook cover are located in a locked state; when the users want to use the notebooks, thecharacteristic identifying module performs identification; the driving motor is driven to work through the fingerprint characteristics or the Bluetooth signals induced by the characteristic identifying module; the U-shaped clamping piece is rotated into the U-shaped lock groove of the corresponding lock block; and at this time, the upper and lower fixing plates of the notebook cover are located inan opened state, that is, the users can normally use the notebooks to work.