39results about How to "Unlock in time" patented technology

Embodiments in the invention provide an unlocking method for an electronic door lock, an electronic door lock and an electronic door lock system, relating to the field of electronic communication. The invention enables workers to open a lock in time and unnecessary unlocking cost to be avoided under the condition that security is guaranteed. The unlocking method comprises the following steps: sending key acquiring request information to a key management central server; receiving unlocking secret key sent by the key management central server and matching with the current door lock secret key of an electronic door lock; sending the unlocking secret key sent to the electronic door lock, wherein, when the current door lock secret key successfully matches with the unlocking secret key, the electronic door lock is opened. The embodiments in the invention are applicable to electronic locks.

The invention relates to the technical field of underwater equipment, in particular to an underwater releaser and an underwater equipment recovery system. The underwater releaser comprises a body, thebody is provided with a watertight socket, the watertight socket is used for being externally connected with a communication cable so that the body can be electrically connected with a buoyancy compartment, and according to the scheme, on the premise that the mode of receiving external underwater acoustic control signals is reserved, the mode of receiving the external control signals in a wired mode is added; that is to say, electrical connection with the buoyancy compartment is realized through an external communication cable; in conclusion, when underwater acoustic signals are difficult totransmit, signal transmission can be guaranteed in a wired mode, and then it is guaranteed that the hook is unlocked in time, the underwater releaser is normally separated from the balancing weight, and underwater equipment recovery is smoothly completed.

The invention relates to an emergency escape device applicable to security windows. The emergency escape device comprises a lower border (1), a side border (2), a security window mesh (3), a motor (4), a clutch control device and a mechanical locking device, the clutch control device comprises a clutch device (6) and a pulling rope (7), the clutch device (6) is arranged on the motor (4) and connected with the pulling rope (7), the mechanical locking device comprises a mechanical lock (10), a mechanical bolt (11) and a lock hole, the mechanical lock (10) is arranged on the lower portion of the side border (2) and is in transmission connection with the mechanical bolt (11), the lock hole is arranged on the left end face of the lower border, and the mechanical bolt (11) is matched with the lock hole. The emergency escape device has the advantages that under emergency situations, indoor staff can open the security windows within 15s, and the emergency escape device is fast in emergency, high in reliability, convenient to operate and independent of electric power.

A lock release mechanism for ejection take-off of small unmanned aerial vehicle including hooks, steel wire, pipe, rocker arms, bayonets and elastic stretching mechanisms, The middle part of the clamphook and the middle part of the rocker arm are rotatably connected with the launching trolley, one end of the stretching mechanism is fixedly connected with the launching trolley, the other end of the stretching mechanism is connected with the first end part of the clamp hook, and the second end part of the clamp hook is connected with the end part I of the rocker arm through the steel wire. At that loc state, the hook brakes the hang point of the unmanned aerial vehicle (UAV) to realize the fixation of the UAV and the launch trolley; At that unlock state of the invention, the rocker arm is detach from the card seat, the tension spring pulls the hook to rotate and release the hang point of the unmanned aerial vehicle, and finally the safe take-off of the unmanned aerial vehicle is realized, the reaction speed of the equipment is fast, the unlocking time is timely, and the probability of the take-off failure of the unmanned aerial vehicle is greatly reduced.

The invention discloses a packaging box intelligent lock unlocking method based on base station communication and an electronic fence, belongs to the technical field of recycled packaging boxes, and aims to solve the problems of low unlocking efficiency and low unlocking safety of existing large-batch packaging boxes. The method comprises the following steps: (1) a base station server is in communication matching with an MCU chip of an intelligent lock entering a base station communication range; (2) an electronic fence feeds back to the base station server after the electronic fence monitorsthat the intelligent lock enters the fence; (3) the base station server sends an unlocking signal instruction to the MCU chip, if the unlocking signal instruction is received, the step 5 is executed,and if the unlocking signal instruction cannot be received, the step 4 is executed; (4) the unlocking signal instruction is sent to the MCU chip by using an emergency key with a communication module;(5) the MCU chip verifies whether the unlocking signal instruction has the unlocking permission or not, if so, the step (6) is executed, and if not, unlocking is stopped; and (6) the MCU chip sends apower-on signal to unlock the intelligent lock. The method is suitable for unlocking the recycled packaging box.

The invention discloses an air conditioner control method, an air conditioner, a server and an air conditioner control device. According to the air conditioner control method, a query instruction sentby a configuration terminal according to a preset time interval is received; the current working state of the air conditioner is then sent to a configuration end so that the configuration end sends aconfiguration instruction to the air conditioner according to the current working state of the air conditioner; the configuration instruction is then received, and the working status of the air conditioner is adjusted according to the configuration instruction. Even if the communication between the server and the air conditioner becomes problematic, because the query instruction is sent intermittently by the configuration end according to the preset time interval, when communication between the server and the air conditioner becomes normal, the configuration instruction can be received in time to adjust the working status of the air conditioner, in-time unlocking of the air conditioner can be realized, or normal timing can be recovered timely, and the working stability of the air conditioner is improved.

The invention discloses a cloud computer cabinet with self-protection performance, and belongs to the technical field of cloud computer equipment. The cloud computer cabinet with the self-protection performance comprises a cabinet body, a cabinet door is rotationally connected to the cabinet body, a locking mechanism used for locking a supporting block is arranged on the cabinet body, a protection mechanism used for protecting internal devices is arranged in the cabinet body, and a balance mechanism used for stabilizing the cabinet body is arranged on the protection mechanism; by arranging the locking mechanism, the supporting block is stored when the cabinet body is not impacted in a balanced state, space is saved, the supporting block is unlocked in time when the cabinet body is impacted, so that the supporting block has a supporting effect on the cabinet body, and by arranging the protection mechanism, the air bag is expanded in time when the cabinet body inclines, so that the safety of the cabinet body is improved. According to the invention, the cabinet body is arranged to receive and buffer devices in the cabinet body, the devices in the cabinet body are prevented from being damaged, and the inclined cabinet body can automatically adjust the gravity of the inclined opposite side by arranging the balance mechanism, so that the cabinet body can automatically recover to the original position and be stabilized.

The invention discloses a rapid unlocking method for an intelligent lock of a recycled packaging box based on NB-IoT communication, belongs to the technical field of recycled packaging boxes, and aimsat solving the problems that the packaging box cannot be unlocked in time and the unlocking stability is poor due to the poor network condition of the existing intelligent lock of the packaging box.The method comprises the following steps: (1) a mobile terminal communicates with a server through an NB-IoT communication module to obtain an unlocking instruction; (2) the unlocking instruction is transmitted to an MCU chip of the intelligent lock through an authority input module; (3) the MCU chip of the intelligent lock verifies whether the unlocking instruction has the unlocking permission ornot, if so, the step 4 is executed, and if not, unlocking is stopped; and (4) the MCU chip sends a power-on signal to the intelligent lock battery, the intelligent lock battery supplies power to theservo motor, the servo motor rotates to unlock the intelligent lock and triggers a travel switch to feed back a signal to the MCU chip, and the MCU chip sends a power-off signal to the intelligent lock battery to power off the intelligent lock battery. The method is suitable for unlocking the recycled packaging box.

The invention provides a memory scheduling method and device, and a computer readable storage medium. The memory scheduling method comprises the steps of obtaining a target task process from a processwaiting queue; in the page cache, locking a target file page corresponding to the target task process; and when a memory locking period corresponding to the target task process is reached, unlockingthe target file page in the page cache. Through the implementation of the scheme of the invention, the target task process in the process waiting queue is purposefully subjected to page locking so that the page locking accuracy is effectively ensured, page unlocking is performed in the page cache in time, and the effective utilization rate of the page cache can be improved.

The invention discloses an electric vehicle charging gun locking device and an installation assembly thereof. The electric vehicle charging gun locking device comprises an upper casing, a lower casing, a lock rod, an electric driving component, a transmission gear and a manual rotating rod, wherein the upper casing is fixedly connected with the lower casing, and the lock rod is in sliding fit withthe lower casing; a first perforation is formed in the lower casing, the protruding end of the lock rod faces the position of the first perforation, and the first perforation faces a lock rod perforation position on a charging socket; the lock rod is provided with a rack matched with the transmission gear, and the electric driving component drives the lock rod to extend or retract toward the perforation direction of the lock rod by means of the transmission gear; and the manual rotating rod comprises a rotating handle, a transmission rod and a gear. The electric vehicle charging gun locking device unlocks a charging gun in time when a charging gun electric locking device goes wrong, thereby ensuring the disassembly safety of the charging gun.

The invention discloses a cabin door electronic system for preventing a child from being trapped in a protective cabin of an ATM and an implementing method of the cabin door electronic system. The system is characterized in that a cabin door controller unit is connected with a human body inductive sensor of which sensitivity is controlled by a first mode, a second mold and a third mode of the cabin door controller unit, a gravity switch arranged on the ground in front of the ATM and a sound output circuit of which a loudspeaker is arranged outside the cabin; and when the human body inductive sensor is in the first mode, the height between detection space and the ground in the cabin is smaller than the height between the detection space and the ground in the cabin when the human body inductive sensor is in the second mode, and is greater than the height between the detection space and the ground in the cabin when the human body inductive sensor is in the third mode. The method comprises the following steps: when the height of a human body in the cabin is in a range from the height between the detection space and the ground in the cabin when the human body inductive sensor is in the first mode to the height between the detection space and the ground in the cabin when the human body inductive sensor is in the second mode, reading output of the gravity switch to confirm trapping of the child in a period of keeping an unlocking function of an entrance button shielded; and if reading that cumulative time of the human body on the gravity switch is below 30% of the set time within the set time and confirming that no person faints or falls on the ground within the set time, confirming that the child is trapped in the cabin, and then unlocking a cabin door.

The invention discloses a water-proof vocal print voice lock. The water-proof vocal print voice lock comprises a housing and a placing box, wherein a mounting groove is formed in the top end of the front of the housing, a vocal print lock main body is fixedly mounted in the mounting groove, first sliding grooves are formed in the two sides of the front of the housing, the two first sliding groovesare separately in sliding connection with a sliding cover through first sliders, a handle groove is formed in the front of the sliding cover, a box cover is fixedly mounted at one side of the slidingcover, clamping blocks are fixedly mounted at the two sides of the bottom end of the box cover, a connecting column is fixedly mounted at the bottom end of the box cover, a voice receiving tube is fixedly mounted at the bottom end of the connecting column, and a fixed column is fixedly mounted at the bottom end of the voice receiving tube. According to the water-proof vocal print voice lock, thevocal print lock main body can be protected from a water source through the sliding cover, so that the vocal print lock main body is prevented from being in contact with the water source and being damaged, and the service life of the vocal print lock main body is prolonged; and the influence of external environmental noise can be reduced through the voice receiving tube, so that the recognizing effect of the vocal print voice lock is improved.