57results about How to "Avoid accidental shutdown" patented technology

The invention provides a control method and electronic equipment. The electronic equipment is provided with a touch unit. The control method comprises the steps that when a preset communication event in the electronic equipment occurs, whether a first object approaches the electronic equipment or not is detected, and the first distance between the first object and the electronic equipment is detected; whether the first distance meets a first preset condition or not is judged, and a first judgment result is obtained; when the first judgment result indicates that the first distance meets the first preset condition, whether the first contact area between the first object and the touch unit meets a second preset condition or not is judged, and a second judgment result is obtained; when the second judgment result indicates that the first contact area meets the second preset condition, the touch function of the touch unit is controlled to be in a closed state.

The invention provides a parking space arrearage management method and system, belonging to the internet of things field. The system concretely comprises a geomagnetic sensor, an infrared sensor and a camera. According to the invention, the distance between a vehicle chassis and a parking space ground is monitored in real time to determine whether a vehicle is located in the parking space; and vehicle information is obtained through pictures shot by the camera, and vehicle arrearage information is timely sent to a vehicle administration office, thereby timely providing basis for the annual test of the vehicle administration office.

The invention discloses a multimedia touch switch panel, which comprises a current detection circuit, a thyristor, a control module, a zero cross detection circuit and a capacitive touch screen assembly, wherein a central processing module is electrically connected with the control module; an infrared proximity induction module is connected to the central processing module; the current detection circuit and the thyristor are connected between a lamp fire line connection terminal and an electric supply fire line connection terminal in series; a zero line connection terminal and the lamp fire line connection terminal are connected with a thyristor starting current circuit and a dynamic current maintaining circuit in parallel; and a dynamic rectifier-amplifier circuit is arranged between the current detection circuit and the control module, and dynamically adjusts whether the dynamic current maintaining circuit is enabled or not according to a detection current signal from the current detection circuit. According to the multimedia touch switch panel, the condition that the thyristor is unexpectedly conducted due to bearing over-high counter electromotive force in a current switching process is avoided; the condition that current which flows through the control module flows through an LED lamp is avoided; and the phenomenon that the originally controlled LED lamp flickers or cannot be turned off is also avoided.

The invention provides a terminal shell-based shutdown method and a terminal. The method comprises the following step of: triggering a shutdown process corresponding to a terminal shell disassembly event after the terminal shell disassembly event is detected. The terminal comprises a control module and a shutdown module, wherein the control module is used for triggering the shutdown module after the terminal shell disassembly event is detected; and the shutdown module is used for executing the shutdown process corresponding to the terminal shell disassembly event after being triggered. Therefore, the system damage due to power failure after a user takes down a battery can be avoided.

The invention provides a deep sea oil well one or two-way well washing conversion tool which includes an upper connection joint. The lower end of the upper connection joint is connected to a hanging cover, and an elastic locking claw is placed at the outside of the hanging cover, and a sliding sleeve is connected below the elastic locking claw. A lower connection joint is connected to the lower end of the hanging cover. The hanging cover and the lower connection joint are provided with well washing conversion sleeves, and the sliding sleeve can drive the well washing conversion sleeves to synchronously move up and down through the hanging cover. A median septum with circulation holes thereon can ensure that the liquid in the operation tube can not form throttle pressure difference. The disclosure can change the flow direction of the liquid in the conversion tool, and ensure the mud cakes and gravel in the operation tube flow into the wellbore again after the well washing finishes. In addition, the conversion tool can realize the connections of oil sleeves, and can realize positive and negative well washing operation, and can further realize well control operation under high pressure in the pit.

The invention discloses an anti-vibration butterfly valve, and relates to the technical field of valve equipment. The anti-vibration butterfly valve comprises a valve body, a water inlet pipe, a drainage pipe, a butterfly plate component, a frame body, a rack, a clamping part and a limiting mechanism. The anti-vibration butterfly valve has the beneficial technical effects that the situation that the valve is opened or closed by mistake due to the fact that the valve body is vibrated because of being impacted can be avoided, when the anti-vibration butterfly valve is in an opened state, and aclamping block on the clamping part can keep the anti-vibration butterfly valve in the opened state; when the anti-vibration butterfly valve is in a closed state, the anti-vibration butterfly valve can be kept in the closed state by adjusting the direction of the clamping block on the clamping part, the left end of the valve body is fixedly connected with and communicates with the water inlet pipe, the right end of the valve body is fixedly connected with and communicates with the drainage pipe, the butterfly plate component is arranged in the middle of the valve body, the frame body is fixedly connected to the upper end of the valve body, the rack is arranged on the frame body, and the butterfly plate component is in transmission connection with the rack. The clamping part is fixedly connected to the frame body, the clamping part is clamped on the rack, the limiting mechanism is connected on the clamping part in a sliding fit manner, and the limiting mechanism is connected with the clamping part.

The invention provides an electronic system having an automatic power-off function and an operating method thereof. The electronic system includes a power supply, an electronic device, a detecting unit and a processing unit. The power supply is used for providing electric power required by operation of the electronic system. The detecting unit is used for detecting a plurality of raw data on the electronic device. The processing unit is coupled with the detecting unit and the power supply and used for judging whether a raw data variation area on the electronic device is larger than a critical area according to the plurality of raw data and selectively turning off the power supply. Compared with the prior art, the electronic system having the automatic power-off function and the operating method thereof according to the invention judge whether the raw data variation area on the electronic device is larger than the critical area through a method of detecting the plrualtiy of raw data (Raw-data) on the electronic device which intends to perform automatic power-off protection, so as to prevent the electronic system from being damaged. The electronic system in the invention can be applied to a mobile phone, a tablet personal computer, a laptop and even a wearable electronic device.

The invention relates to a safely-locked multi-cabinet-door vending machine. A torsional spring is installed on a hinged shaft of each cabinet door, an electromagnetic lock is installed at the position, close to the most left side of the end face of the front side of each cabinet door, of each transverse plate, a stretchable ejector rod is arranged at the position, on the right side of each lock, of the front side of each transverse plate in an embedded mode, a pressure switch is installed at the position, on the right side of each ejector rod, on the end face of the front side of each transverse plate, the pressure switches, motors for controlling the ejector rods and the electromagnetic locks are all driven by a control module installed in an outer shell, and the surfaces of the outer sides of the cabinet doors are flush with the surface of a whole cabinet door. According to the safely-locked multi-cabinet-door vending machine, each cabinet door is flush with the surface of the outer shell, the anti-theft effect is strengthened, the cabinet doors are locked through the electromagnetic locks, the suction force is huge, opening of the cabinet doors is controlled by the ejector rods, the pressure switches and the control module, the user benefits are guaranteed, and structures are matched with each other to form the novel vending machine which is convenient to use, install and maintain.

The invention discloses an intelligent switch panel for an LED lamp. The intelligent switch panel comprises a current detection circuit, a thyristor, a control module, a dynamic current maintaining circuit, a zero cross detection circuit and an ambient light brightness induction module, wherein a central processing module for controlling a capacitive touch screen assembly is electrically connected with the control module; the ambient light brightness induction module is connected to the central processing module; the current detection circuit and the thyristor are connected between an LED fire line connection terminal and an electric supply fire line connection terminal in series; a zero line connection terminal and the LED fire line connection terminal are connected with a thyristor starting current circuit and a dynamic current maintaining circuit in parallel; and whether the dynamic current maintaining circuit is enabled or not is dynamically adjusted according to a detection current signal from the current detection circuit. According to the intelligent switch panel, the condition that current which flows through the control module flows through an LED lamp is avoided; the phenomenon that the originally controlled LED lamp flickers or cannot be turned off is avoided; and the problem that the thyristor is unexpectedly conducted due to bearing over-high counter electromotive force in a current switching process is solved.

The invention discloses a dimmable power switch, which comprises a current detection circuit, a thyristor, a control module and a zero cross detection circuit, wherein an input end of the zero cross detection circuit is connected to a fire line and a zero line of electric supply; the current detection circuit and the thyristor are connected between an LED fire line connection terminal and an electric supply fire line connection terminal in series; a zero line connection terminal and the LED fire line connection terminal are connected with a thyristor starting current circuit and a dynamic current maintaining circuit in parallel; the thyristor starting current circuit comprises a resistor and a capacitor, which are connected with each other in series; a dynamic rectifier-amplifier circuit is arranged between the current detection circuit and the control module; and the control module controls a thyristor control circuit to generate trigger pulse current according to an alternating current zero cross signal, and dynamically adjusts whether the dynamic current maintaining circuit is enabled or not according to a detection current signal from the current detection circuit. According to the dimmable power switch, the condition that the thyristor is unexpectedly closed due to bearing over-high counter electromotive force in a current switching process at relatively high power is avoided; and the flicker phenomenon that the thyristor is unexpectedly closed due to the fact that an LED lamp is relatively low in power and discontinuous in current is also avoided.

The invention provides a safe energy-saving electric heating blanket. The safe energy-saving electric heating blanket includes a blanket body, an insulating heating unit arranged in the blanket body, a plurality of temperature detection units evenly distributed in the blanket body, and a plurality of pressure sensing units evenly distributed outside the blanket body; each of the plurality of temperature detection units and the plurality of pressure sensing units periodically detects the temperature and the pressure around the unit, and sends acquired temperature information and pressure information to a controller; and the controller can turn on or turn off the heating unit to respond according to the received temperature information and the received pressure information.

The invention discloses an intelligent short-circuit protection switching circuit for a corrective wave inverter. The circuit comprises a PFC boosting unit and a short-circuit switching unit. The input end of the short-circuit switching unit is connected with the output end of the PFC boosting unit. The short-circuit switching unit is used for driving the switch-on or switch-off of the input end and the output end based on the electric signals received by the control end of the short-circuit switching unit. The circuit further comprises an inverting unit, a current sampling circuit and an intelligent recognition unit. The intelligent recognition unit is used for receiving the current signals collected by the current sampling circuit, and when the current signals do not surpass a preset value, the intelligent recognition unit sends a switch-on electric signal to the control end of the short-circuit switching unit to make the short-circuit switching unit drive the input end and the output end to switch on. When the current signals surpass the preset value, the intelligent recognition unit sends a switch-off electric signal to the control end of the short-circuit switching unit to make the short-circuit switching unit drive the input end and the output end to switch off. The intelligent short-circuit protection switching circuit for the corrective wave inverter can enhance the capacity of carrying capacitive loads of the inverter, and avoid the mistaken switch-off or mistaken damage of the inverter.

The invention discloses a fire turn-off detection method and device, a range hood and a storage medium. The fire turn-off detection method comprises the following steps of acquiring a temperature change curve of cooking equipment; obtaining the slope of a temperature trend line corresponding to the temperature change curve according to the temperature change curve; acquiring a characteristic ratioof the temperature trend line according to the slope of the temperature trend line; judging whether the characteristic ratio of the temperature trend line is smaller than a preset characteristic ratio or not within a preset duration, and accumulating the judgment times; enabling the characteristic ratio of the accumulated temperature trend line to be smaller than the detection frequency of the preset characteristic ratio; and under the condition that the judgment frequency is greater than the first preset frequency and the detection frequency is greater than the second preset frequency, determining that the cooking equipment is turned off. According to the fire turn-off detection method, the distinguishing performance of the cooking equipment in the soft fire state and the fire turn-off state can be improved, and the fire turn-off detection time of the cooking equipment is shortened, so that whether the cooking equipment is in the soft fire state or the fire turn-off state is accurately judged, misoperation is reduced, and misoperation of the cooking equipment in the soft fire state is prevented.

The invention provides a cabin door bolt stroke sensitivity improving mechanism. The mechanism comprises a shaft (1), a rocker arm (2), a support (3), a spring (4), a target and a sensor, wherein the support (3) is fixed to a cabin door opening frame, two coaxial holes are formed in the support (3), a first end of the shaft (1) is a cylinder and makes contact with a cabin door bolt, and a second end of the shaft (1) is a double-lug piece; a guide groove is formed in the first end of the rocker arm (2), a bolt bar penetrating through the double lugs slides in the guide groove, a target is arranged at the second end of the rocker arm (2), and the rocker arm (2) is rotationally connected to the support (3); a bolt rod at the second end of the shaft (1) slides in the guide groove to drive the target to be close to or far away from a sensor arranged on the support (3); the spring (4) is arranged on the shaft (1) in a sleeving mode, located between the two coaxial holes and used for driving the shaft (1) to rebound. The mechanism is advantaged in that the weight is light, assembly is simple, and the possibility of mistaken closing of the rocker arm is avoided.

The invention discloses a fireproof door capable of preventing accidental closing. According to the fireproof door capable of preventing accidental closing, a first cavity is formed in the upper doorframe, a rotating part is arranged in the first cavity, a winding reel is arranged above the rotating shaft, the winding reel is connected with a first magnetic part through a first pull rope, and when the rotating speed is too high, when a door plate is closed, the second magnetic part does not slide together with the first magnetic part, a third magnetic part is arranged on the outer side of a groove, a fourth magnetic part and the third magnetic part which are arranged on the door plate repel each other to rebound the door plate, and when the door is closed at a low speed, the first magnetic part and the second magnetic part move together to move the third magnetic part into the groove. At the moment, the door can be normally closed, the door plate is prevented from being accidentally closed when ventilation is needed, and ventilation is achieved all the time.

The invention discloses a method for taking over Xen Server virtual machine on a Cloud Stack and belongs to the field of management of a cloud computing platform. The method comprises the steps of firstly obtaining an alternative virtual machine which is not managed by the Cloud Stack, then generating an SQL statement required for insertion into a Cloud Stack database according to a selected virtual machine to be taken over, finally executing the generated SQL statement on the Cloud Stack and managing the service virtual machine to be taken over on the Cloud Stack. By means of the method and under the condition that service of the virtual machine can be uninterrupted, an original environment of an Xen Server is completely on the Cloud Stack, compatibility of the Xen Server environment and a Cloud Stack environment is achieved, unified management can be conducted on cloud on the Cloud Stack unified platform, and the production efficiency of a whole cloud efficiency is effectively improved.

The invention discloses a multifunctional capacitive touch switch, which comprises a shell and a capacitive screen, wherein the capacitive screen is arranged on the shell; a circuit board comprises a current detection circuit, a thyristor, a control module, a zero cross detection circuit, an on-off key and a positive and negative dimmer key; the on-off key is connected with the control circuit; a zero line connection terminal and an LED fire line connection terminal are connected with a thyristor staring current circuit and a dynamic current maintaining circuit in parallel; a thyristor control circuit is arranged between the thyristor and the control module; the thyristor control circuit is used for providing trigger pulse current to the thyristor; and an optocoupler transfer control circuit is arranged between the dynamic current maintaining circuit and the control module. According to the multifunctional capacitive touch switch, the flicker phenomenon that the thyristor is unexpectedly closed due to the fact that an LED lamp is relatively low in power and discontinuous in current is avoided; the condition that current which flows through the control module flows through the LED lamp is avoided; and the phenomenon that the originally controlled LED lamp flickers or cannot be turned off is also avoided.

The invention discloses a high-reliability intelligent switch device, which comprises a shell, a capacitive screen, an LED fire line connection terminal, an electric supply fire line connection terminal and an intermediate plate, wherein the capacitive screen is arranged on the shell; a circuit board is arranged between the intermediate plate and a rear cover and comprises a current detection circuit, a thyristor, a control module, a dynamic current maintaining circuit, a zero cross detection circuit and an ambient light brightness induction module; a central processing module for controlling a capacitive touch screen assembly is electrically connected with the control module; the current detection circuit and the thyristor are connected between the LED fire line connection terminal and the electric supply fire line connection terminal in series; a zero line connection terminal and the LED fire line connection terminal are connected with a thyristor starting current circuit and a dynamic current maintaining circuit in parallel; and whether the dynamic current maintaining circuit is enabled or not is dynamically adjusted according to a detection current signal from the current detection circuit. According to the high-reliability intelligent switch device, the condition that current which flows through the control module flows through an LED lamp is avoided; and the phenomenon that the originally controlled LED lamp flickers or cannot be turned off is also avoided.

The invention provides an electric control door lock system and an accidental door closing prevention method. The electric control door lock system comprises a door closing signal induction module, afirst comparator, a second comparator, a logic control module and a door closing signal induction control module. The door closing signal induction control module outputs a door closing signal to thelogic control module after detecting that the door closing signal output by the first comparator lasts for a certain period of time. The logic control module processes the door closing signals outputby the door closing signal induction control module and the second comparator to form the specified door closing signals and output the specified door closing signals to a baffle plate action controlmechanism. The baffle plate action control mechanism makes a baffle plate move relative to a lock catch box till that the lock catch box is in an open state. According to respective characteristics ofintentional door closing and unintentional door closing, a specified door closing behavior intention is converted into the corresponding specified door closing signal so that accidental closing of adoor body is effectively prevented on the basis of different characteristics of different door closing intentions.

The invention relates to a flame probing device of a combustor, which comprises a handle, a combustor and 2-4 flame probes, wherein the handle is arranged at the back part of the combustor, the combustor is in a cylinder shape, and the probes are uniformly arranged at the top part of the combustor. Compared with the prior art, the flame probing device disclosed by the invention has the advantages of complete flame detection range and stable probe current; the formation of the flame can be effectively detected under any size and fluctuation of the flame; and a combustion manager is determined whether to open a gas valve by the current detected by the probes, and when the current is relatively stable, the problem that the combustor is closed by mistake can be effectively solved.

The invention provides a jettisonable light beacon which comprises a lamp body and an outer cover, wherein a moving space is formed in the outer cover to accommodate the lamp body; at least one light emergent region at the upper part of the outer cover is made of a transparent material; the size of the lamp body is smaller than that of the moving space in the outer cover; the space between the lamp body and the moving space is filled with transparent liquid; the gravity center of the lamp body is located at the lower part of the lamp body; and the lamp body can freely rotate in the transparent liquid and keeps the head straight up after being stabilized. Under the action of the gravity, after the jettisonable light beacon is stabilized, the light emitting direction can keep straight up, so that the light beacon has the performance of automatically correcting the light emitting direction.

The invention relates to a water return device control method and device. The control method comprises the steps of acquiring the work period duration value of a water return device, acquiring the work duration value of the water return device after a water heater is started and turning off the water return device when the work duration value is greater than preset multiples of the work period duration value. According to the scheme, the water return device is turned off by acquiring the relation between the work period duration value of the water return device and the current work duration value of the water return device after the water heater is started; resource waste and excessive operation of the water return device due to failures of the water heater are avoided; accordingly, the product quality and service life of the water return device are guaranteed; the sensitivity of turn-off operation of the water return device can be reduced by setting the preset multiples in comparisonto prevent the water return device from being turned off mistakenly during normal operation.

The invention relates to a water return device control method and device. The control method comprises the steps of acquiring the work period duration value of a water return device, acquiring the work duration value of the water return device after a water heater is started and turning off the water return device when the work duration value is greater than preset multiples of the work period duration value. According to the scheme, the water return device is turned off by acquiring the relation between the work period duration value of the water return device and the current work duration value of the water return device after the water heater is started; resource waste and excessive operation of the water return device due to failures of the water heater are avoided; accordingly, the product quality and service life of the water return device are guaranteed; the sensitivity of turn-off operation of the water return device can be reduced by setting the preset multiples in comparisonto prevent the water return device from being turned off mistakenly during normal operation.

This invention discloses a control method for preventing error turning off including: 1, judging if the information is that of the power supply key action based on the generated information, if so, it enters into step 2, 2, judging if there is an pressing action of the key, if so, it enters into step 3, otherwise it enters into step 4, 3, noting 1 at the variable Power Flag and returning to step 1, 4, judging if the variable Power Flag is 1, if so, it enters into step 5, otherwise returning back to step 1, 5, judging if it is the power supply release action, if so it carries out the off instruction, otherwise, it returns back to step 1. The control device includes CPU with a power supply control module and a switch control circuit connected with said CPU power control module.