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

A portable computer and a method of controlling a power saving mode of the portable computer, in which an embedded controller directly turns off system power without system wake up operation in a process of turning off the system power or switching a power saving mode when battery power is decreased. The computer includes a control unit for notifying whether a power saving mode is a hybrid sleep mode when the portable computer enters the power saving mode; and an embedded controller for detecting whether the remaining amount of a battery decreases below a threshold value or a predetermined period of time has passed after the computer enters the power saving mode to perform hibernation or turn off system power, if the power saving mode notified from the control unit is the hybrid sleep mode.

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 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 an automatic door lock system and an accident-preventing door closing method. The automatic door lock system comprises a door closing signal sensing module, a first comparator,a second comparator, a logic control module, a door closing signal sensing control module, and after the door closing signal sensing control module detects that a door closing signal output by the second comparator lasts for a certain period of time, the door closing signal is output to the logic control module; the logic control module processes the door closing signals correspondingly output bythe door closing signal sensing control module and the first comparator and forms a specified door closing signal, the specified door closing signal is output to a baffle action control mechanism, andthe baffle action control mechanism controls a baffle to move relative to a latch box until the latch box is in an open state. According to the automatic door lock system, the specified door closingaction intention is converted into the corresponding specified door closing signal according to the respective characteristics of intentional door closing and unintentional door closing, and thus theunexpected closing of the door body is effectively prevented based on the different characteristics of different door closing intentions.

The embodiment of the invention discloses a webpage window closing method. The webpage window closing method comprises the steps of obtaining at least one first operation, wherein the first operation is used for one output webpage window; responding to at least one first operation and identifying at least one reserved webpage window from a plurality of output webpage windows; obtaining a second operation; closing non-reserved webpage windows according to the second operation, wherein the non-reserved webpage windows are all of the plurality of opened webpage windows except at least one reserved webpage window. Correspondingly, the embodiment of the invention further discloses a relevant device. By means of the webpage window closing method and device, the webpage window required to be reserved can be prevented from being closed mistakenly when the webpage windows required to be closed in the plurality of opened webpage windows are closed.

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 embodiment of the invention discloses a webpage window closing method. The webpage window closing method comprises the steps of obtaining at least one first operation, wherein the first operation is used for one output webpage window; responding to at least one first operation and identifying at least one reserved webpage window from a plurality of output webpage windows; obtaining a second operation; closing non-reserved webpage windows according to the second operation, wherein the non-reserved webpage windows are all of the plurality of opened webpage windows except at least one reserved webpage window. Correspondingly, the embodiment of the invention further discloses a relevant device. By means of the webpage window closing method and device, the webpage window required to be reserved can be prevented from being closed mistakenly when the webpage windows required to be closed in the plurality of opened webpage windows are closed.

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 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.

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.

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.