35results about How to "Control power off" patented technology

The invention discloses a household electrical appliance and a fault arc detection device and method used therefor, wherein the fault arc detection device comprises a power grid current detection unit used for detecting the current flowing from a power grid into the household electrical appliance so as to generate a first current detection signal; a filtering protection unit used for carrying out attenuation processing on an arc signal in the power grid; a load current detection unit used for detecting the practical operation current of loads of the household electrical appliance so as to generate a second current detection signal; and a control unit, wherein the control unit is connected with the power grid current detection unit and the load current detection unit and is used for identifying and comparing the first current detection signal and the second current detection signal so as to determine the generation source of the fault arc. The fault arc detection device is capable of accurately determining the generation source of the fault arc, and false action is effectively avoided.

The invention discloses an iron bar automatic segmenting mechanism, and belongs to the field of metal material processing mechanical equipment. The iron bar automatic segmenting mechanism includes a material-carrying mechanism, a material-cutting mechanism and a fixing material-pushing mechanism which are sequentially and fixedly arranged at one side of a fixing support in the horizontal direction, and a material-carrying chain which is winded is horizontally arranged between a main material-carrying chain and a secondary material-carrying chain; a material-carrying electromagnet is fixedly arranged at the outer side of the material-carrying guiding plate, a reciprocating material-cutting plate is slidably arranged at a material-cutting guiding rod in the horizontal direction, and a cutting handpiece is slidably arranged at the reciprocating material-cutting plate in the vertical direction; and a horizontal-pushing guiding rod is separately and horizontally fixed to two sides below a horizontal-pushing connecting plate, a fixing guiding plate and a moving guiding plate are separately and vertically arranged at two sides of the horizontal-pushing guiding rod, and the material-transporting mechanism is horizontally and fixedly arranged at the upper side of a material-transporting supporting plate. According to the iron bar automatic segmenting mechanism, the structural design isreasonable, iron bars can be transferred horizontally, stably, accurately and intermittently according to needed length, the iron bars can be clamped and cut and automatic feeding can be realized, andthe need for machining using can be met.

The invention relates to the technical field of wind engine stall protection, and discloses a wind engine stall protection device which comprises a shell. A power shaft is movably connected to the middle of the shell, a brake pad is fixedly connected to the outer side of the power shaft, a brake cavity is formed in the inner wall of the middle of the shell, and reset springs are fixedly connectedto the inner wall of the middle of the brake pad. Centrifugal blocks are fixedly connected to the outer sides of the reset springs, and dielectric plates are fixedly connected to the middle inner walls of the centrifugal blocks. According to the wind engine stall protection device, the power shaft drives the brake pad to rotate, the brake pad drives the centrifugal blocks to rotate, and then positive plates, negative plates and the dielectric plates are used in cooperation, so that the effect of controlling on-off of electromagnets is achieved, the dielectric plates in the middles of the centrifugal blocks move along with the centrifugal blocks, the relative area of the positive plates and the negative plates is changed, the voltage between every two pole plates rises, the working voltageof a piezoresistor is reached, and the electromagnets are electrified to generate magnetic force repelling magnetic blocks.

The invention relates to a street lamp system and especially relates to a street lamp system based on haze control, wherein the system can automatically adjust an illumination color temperature and a light intensity according to a weather visibility condition; and the structure of the system is simple and usage is convenient. A CPU master control unit is connected to a haze monitoring unit and a street lamp color temperature light intensity adjusting unit. The street lamp color temperature light intensity adjusting unit is also connected to an illumination unit. By using the street lamp system based on haze control, through cooperation of the CPU master control unit, the haze monitoring unit, the street lamp color temperature light intensity adjusting unit, the illumination unit and the like, the haze monitoring unit monitors a haze concentration in real time so as to dynamically adjust a color temperature and the light intensity of the illumination unit; and illumination is convenient to achieve and people life quality is improved. Under a haze weather state, an illumination indication effect is provided for pedestrians, and automatic, intelligent and humanized control is achieved; and resources are reasonably used and electric energy can be high-efficiently saved.

The invention discloses an intelligent remote switch, and aims to provide an intelligent remote switch having the advantages of capacity of realizing intelligent remote control, energy conservation, environmental protection and convenient use. The intelligent remote switch comprises a control device, a radio frequency remote receiver module, a drive circuit, a storage and a power module, wherein the control device analyzes the received coding waveform, and sends an instruction signal to the drive circuit when analyzing that the coding waveform is consistent with a set remote control code stored in the storage; and the drive circuit receives and identifies the instruction signal sent by the control device, and controls the power on or off of peripheral controlled objects, wherein the drive circuit is a silicon-controlled drive circuit. The intelligent remote switch can be widely promoted, and can be applied in the field of electrical apparatus control.

The invention provides a control method and system of a vehicle range extension device and belongs to the field of vehicles. The control method includes the following steps that a vehicle control unitdivides fault levels according to the orders of severity of faults happening to a vehicle and sending the fault levels to a CAN bus; a range extension device controller reads information of the faultlevels, the vehicle speed and the need state of the range extension device on the CAN bus; and the range extension device controller responds to different control strategies according to the above information so as to control the range extension device to execute corresponding actions, wherein the control strategies comprise the passive control strategy passively responding to a command of the vehicle control unit and the active control strategy actively sent out by the range extension device controller when the fault level is high. The invention further provides the corresponding control system. By the adoption of the control method and system, responses to the different control strategies can be made according to the orders of severity of the faults happening to the vehicle, the range extension device is effectively controlled in time to be safely stopped or powered off, and potential safety hazards are avoided.

The invention relates to an energy-saving and environment-friendly wireless charging seat. The energy-saving and environment-friendly wireless charging seat comprises a base (100), a charger body (200), a pressure sensor (300), a turning portion (400) which is used for turning the charger body (200), and a control module; the control module is used for controlling the turning portion (400) to be turned to an inclined state when the pressure of the charger body (200) detected by the pressure sensor (300) is greater than a first threshold, and controlling the charger body (200) to be energized;and the control module is used for controlling the turning portion (400) to be turned to a horizontal state when the pressure change of the charger body (200) detected by the pressure sensor (300) issmaller than the first threshold, and controlling the charger body (200) to be de-energized. According to the energy-saving and environment-friendly wireless charging seat of the invention, the charger body (200) is turned to the inclined state through the turning portion (400), so that the charger body (200) can function as a mobile phone holder, so that a user can use a mobile phone when the mobile phone is charged.

The invention discloses a fire emergency illumination management system. The fire emergency illumination management system comprises a smoke detection unit, an emergency illumination unit, a central processor and a display screen; the smoke detection unit comprises a smoke sensing detector, an information storage unit, a detection battery, a transmitting circuit and a nozzle; the smoke sensing detector, the information storage unit, the transmitting circuit and the nozzle are connected with the detection battery; the emergency illumination unit comprises more than one emergency illumination lamp, the emergency illumination lamp comprises a lamp holder with an external power supply connector, and a large lamp, more than one small lamp, a control circuit, a transmitting and receiving circuit and an illumination battery are disposed in the lamp holder. Emergency illumination time of the fire emergency illumination management system is long, and the fire emergency illumination management system can effectively control a fire original-point power supply.

The invention discloses an encryption chip fault recovery method and system, electronic equipment and a computer readable storage medium, and the method comprises the steps: when an encryption chip does not respond to a command of a main control chip, controlling a handle of SPI equipment corresponding to the encryption chip to be closed, and unloading a driver of the SPI equipment; pulling down a power supply control port of the encryption chip, controlling the encryption chip to be powered off, and controlling the encryption chip to be powered on after a preset time is delayed; and loading a driver of the SPI equipment, and controlling the handle to open. According to the encryption chip fault recovery method, whether the encryption chip is abnormal or not is automatically detected through software, when the encryption chip is abnormal, fault recovery is conducted in the mode of reloading the driver and restarting the SPI equipment handle, rapid recovery can be achieved, the encryption function can be recovered without restarting, and therefore the reliability and integrity of uploaded data are guaranteed, and the stability and reliability of the system are improved.

The invention discloses an intelligent submersible pump system based on Internet of Things. The system comprises a pump body and a motor; the motor comprises a motor shell, a stator arranged in the motor shell, and a pump shaft is fixedly connected with a rotor, the top end of the motor shell is connected with a junction box, the pump shaft is connected with an upper bearing and a lower bearing, the upper bearing is connected with a first temperature sensor, a winding of the stator is connected with a second temperature sensor, and the lower bearing is connected with a third temperature sensor; a water leakage detector and a floating ball switch are arranged in a middle bearing seat, a humidity sensor and a water pump intelligent protector are arranged in the junction box, the water pump intelligent protector is in communication connection with Internet-of-Things monitoring management systems to transmit sensor information in a submersible pump to the Internet-of-Things monitoring management systems; and the system further comprises a central integrated management system which is in communication connection with the Internet-of-Things monitoring management systems, and the centralintegrated system is used for carrying out centralized monitoring on the plurality of Internet-of-Things monitoring management systems. According to the system, the purpose of intelligent management of the water pump Internet-of-Things is achieved.

The invention discloses an electricity utilization safety electrical automatic control system, and relates to the technical field of electrical control. The problems that in the prior art, due to sudden power failure, other electrical devices are prone to being damaged, electricity transmission ports are prone to being mistakenly touched, electricity utilization accidents are prone to occurring, and consequently the serious economic loss is prone to being caused are solved. According to the key points of the technical scheme, the electricity safety electrical automatic control system comprisesa main controller, processors and electricity utilization units corresponding to the processors one to one, and the processors are in communication connection with the main controller; the electricity utilization units comprise code scanners, electricity utilization equipment, electricity transmission ports and normally-open relays corresponding to the electricity transmission ports one to one; bar codes are pasted to the electricity utilization equipment and store operating parameters of the electricity utilization equipment; the two electrical ends of the normally-open relays are electrically connected with an electricity supplying end and the corresponding electricity transmission ports correspondingly; and the code scanners are electrically connected with the processors, and the processors are electrically connected with the normally-open relays. The electricity safety electrical automatic control system has the effects that the electricity transmission ports are prevented from being connected into electrical equipment exceeding the rated power, the situation of mistaken touch of the electricity transmission ports is avoided, and the electricity accidents are reduced.

The embodiment of the invention provides a GOA signal detection circuit and method, a signal output system and a display module. The GOA signal detection circuit comprises a sampling unit used for acquiring a GOA signal output by a GOA signal output unit and converting the GOA signal into a sampling level signal; the processing unit is used for comparing the sampling level signal with a designed reference level signal to obtain comparison data; and the control unit is electrically connected with the processing unit, is configured to be electrically connected with the power supply unit, and is used for determining whether the comparison data is matched with the designed target data or not, and controlling the power supply unit to be powered off if the comparison data is not matched with the designed target data. According to the GOA signal detection circuit provided by the embodiment of the invention, self-detection of the GOA signal can be realized, abnormity of the GOA signal can be quickly and timely found, the power supply unit is controlled to be powered off, and expansion of abnormal loss is avoided, so that the abnormal loss is reduced.

The invention relates to the field of electric appliances, and provides a power-on control method and device of a container, electronic equipment and a storage medium. The power-on control method of the container comprises the steps of obtaining mains supply input information; controlling a standby power supply to supply power on the basis that the mains supply input information meets a mains supply failure condition; and controlling the standby power supply to be powered off based on the condition that the container working information meets a first preset condition. According to the power-on control method of the container, on the one hand, the standby power supply can be switched to supply power to the container when the mains supply is powered off and other abnormal conditions occur, and the abnormal conditions are avoided, so that normal use of the container is guaranteed, and smooth shopping of a user is guaranteed; on the other hand, the standby power supply is turned off in time before the standby power supply runs out, so that the service life of the standby power supply is prevented from being affected by running out of power, and the service life of the standby power supply is prolonged.

The invention discloses a semi-automatic chain saw capable of reducing noise, and relates to the technical field of chain saws. The semi-automatic chain saw comprises a shell, a detection mechanism is fixedly connected to the inner wall of the top of the shell and plays a role in judging whether the chain saw is in a lubricating oil lacking state or not, an adding mechanism is fixedly connected to the inner wall of the shell and is close to the bottom of the detection mechanism, and the adding mechanism plays a role in adding lubricating oil. According to the semi-automatic chain saw capable of reducing the noise, through cooperative use of the detection mechanism and the adding mechanism, by means of the working state of the equipment, when the lubricating oil lacks, an equipment body shakes violently, a damping block in the detection mechanism converts mechanical energy into heat energy, gas in a gas film is subjected to thermal expansion, a movable contact makes contact with a fixed contact, the adding mechanism is electrified to realize the effect of automatically adding the lubricating oil, and therefore the effect of automatic judgment is achieved. Compared with an existing chain saw, the automatic judgment effect is added, the problem that the chain saw lacks lubrication is effectively solved in time, and practicability is improved.