53results about How to "Improve safety and usability" patented technology

A utility knife using segmented, snap-off blades, or snap knife, incorporating an improved means for snapping off the dull segments. A two part handle is pivotally interconnected so that when closed, a standard handle is formed. When open, the two parts of the handle are aligned opposite each other. The blade, contained in one part can be advanced to enter a slot in the other part. With the segment line of the blade aligned in the gap between the two parts, the blade can be snapped by closing the handles. The snapped segment is preferably retained within the handle for later disposal.

The present invention relates to an intelligent encryption key with biometric identification apparatus and method. Embodiments of the invention include an intelligent encryption key with biometric identification apparatus, comprising a biometric acquisition unit, a processing unit, a storage unit and I/O units. The processing unit is connected to the acquisition unit via one of the I/O units; the storage unit is connected to the processing unit; and the other one of the I/O units is also connected to the processing unit for connecting the host. The present invention employs biometric information of human body as authentication information. Moreover, the present invention discloses an operating method of the intelligent encryption key with biometric identification function, which allows improving the security and usability of intelligent encryption key by acquiring biometrics of a user.

The invention relates to a redundancy self-locking type manipulator gripper with a precisely controlled clamping force. The redundancy self-locking type manipulator gripper comprises a hand claw, a transmission mechanism, a locking mechanism, a power mechanism and a power loop, wherein the transmission mechanism and the shaft of the hand claw are coaxially arranged; the locking mechanism and the shaft of the hand claw are coaxially arranged; the power mechanism is combined with the transmission mechanism and provides a driving force to the hand claw; the power loop is used for conducting the driving force; when the hand claw needs to stop action, the locking mechanism and a power lock in the power loop cooperate with each other to complete dual locking of the position and the clamping force of the manipulator gripper. The manipulator gripper is applicable to situations that the clamping force needs to be precisely controlled, in addition, after the driving force is released, a ratchetwheel lock is matched with a hand claw clamping force locking spring, so that the energy is saved, and a self-locking effect is improved. With the combination of a swinging motor, a proportional overflow valve and a torque sensor, precise control on an output clamping force is completed, and the energy utilization efficiency is remarkably improved.

The invention discloses a foldable automobile electric pedal, which comprises a bracket, a driving telescopic unit, a transmission connecting rod, a fixed connecting rod, a pedal panel, a fixing hingepin and a movable hinge pin used for fixing the overturned fixed connecting rod to different positions on the transmission connecting rod. Through the above way, the foldable automobile electric pedal is characterized in that the fixed connecting rod and the movable connecting rod are connected through a fixed hinge pin and a movable hinge pin; after the movable hinge pin is pulled out, the position of the fixed connecting rod can be regulated at will, so that the pedal is overturned, the bearing position of an automobile chassis is prevented from being shaded, practicality and safety are improved, and the foldable automobile electric pedal is convenient in operation.

Methods and systems are provided for pairing a command device to a remotely controlled medical system. A command device is paired to a remotely controlled system, to control one or more medical devices from the command device. Registering the command device is done at a registration component at a designated location in an operating area, with an identifier for the operating area. While registered, the command device is able to transmit commands for controlling the medical equipment. The command device location is repeatedly estimated from its sensors based on markers or beacons in the operating area, to determine if it has left the area. Upon leaving, it is deregistered.

The invention discloses a vehicular monitoring terminal and system based on GPRS communication and Beidou positioning and relates to the technical field of satellite navigation and mobile communication. The vehicular monitoring terminal comprises a microprocessor and is characterized in that a GPRS module is bidirectionally connected with microprocessor; a Beidou positioning module is bidirectionally connected with the microprocessor and used for positioning the terminal; an Ethernet interface is bidirectionally connected with the microprocessor and used for allowing the terminal to be connected with peripheral equipment to achieve data transmission; a man-machine interaction module is bidirectionally connected with the microprocessor and used for inputting a control command and displaying output data; a storage module is bidirectionally connected with the microprocessor and used for storing data generated under the control of the microprocessor. The vehicular monitoring terminal has functions such as car traveling state recording, positioning and navigation, real-time vehicle monitoring and online real-time communication and is multifunctional and convenient to use.

The invention relates to a fire extinguishing device, in particular to a wind power and sand power combined type fast fire extinguishing device for firefighting. The wind power and sand power combined type fast fire extinguishing device for firefighting is high in fire extinguishing speed, high in fire extinguishing efficiency and high in practicability and comprises a top plate, a first sliding rail, a first sliding block, a second sliding rail, an electric wheel, a cart, a rack, a gear, a reel, a first steel wire rope, an electric control valve, a discharging hose and the like. The upper end of a second spring is connected with a second placement plate. The left side of the top of the second placement plate is connected with a first spring. The wind power and sand power combined type fast fire extinguishing device for firefighting achieves the effects of high fire extinguishing speed, high fire extinguishing efficiency and high practicability. When needing to do fire extinguishing work, the wind power and sand power combined type fast fire extinguishing device for firefighting can improve the work efficiency of the whole firefighting work, and is higher in fire extinguishing speed.

The invention discloses an asynchronously matched measurement equipment-independent quantum key distribution method and system. The key limitation is broken through by using a post-matching method to realize time-phase coded two-photon Bell state measurement, and compared with the existing measurement equipment-independent quantum key distribution, the method provided by the invention can provide a higher security code rate, achieves farther transmission distance; meanwhile, under the condition that the transmission distance is not greater than 490 km, the method can select a short time interval for random matching, so that phase drift caused by channel transmission does not need to be calibrated; under the condition that the transmission distance is not greater than 370 km, rapid active phase locking and frequency locking of the laser are not needed, the experiment requirements are reduced, the safety and the practicability are greatly improved, and the experiment cost is saved.

The present invention discloses an artificial intelligence behavior body self-destruction device and method. The device comprises a perception module, a decision module, a self-destruction module anda receiving module. The perception module is configured to collect event information of an artificial intelligence behavior body and send the collected event information to the decision module; the decision module is configured to determine whether self-destruction needs to be executed or not according to the collected event information; if yes, a self-destruction command is generated according toa determination result, and the self-destruction command is sent to the self-destruction module; and the self-destruction module is configured to calculate the self-destruction flow, the logic position and the physical location of each module and service according to the self-destruction command or a remote self-destruction command, and destroy target modules, service codes, data, file systems orphysical hardware which need to be subjected to self-destruction according to the self-destruction flows. The artificial intelligence behavior body self-destruction device and method can avoid out ofcontrol of the artificial intelligence behavior body and can ensure that the human being safety cannot be threatened when the artificial intelligence behavior body perform human being service.

The invention relates to the technical field of safety box locking and protection, in particular to a safety box composition. The safety box composition comprises an outer safety box, an inner safetybox, a controller, a first-stage intelligent locking and protection mechanism and a second-stage intelligent locking and protection mechanism, and the inner safety box is arranged in the outer safetybox and fixedly connected with the outer safety box. The first-stage intelligent locking and protection mechanism comprises a mounting plate, a face recognition system, a horizontal moving assembly, arotating assembly and two groups of sensing assemblies, and the second-stage intelligent locking and protection mechanism comprises a carrier block, a fingerprint collector, a pushing assembly, a telescopic assembly and a locking assembly. The face recognition system and the fingerprint collector are used for guaranteeing the locking and protection effect of the outer safety box and the inner safety box correspondingly, the face recognition system and the fingerprint collector have specificity, meanwhile, if provided data do not conform to that of an owner, a first-level protection door cannot be opened, an alarm warning effect can further be achieved, operation is easy, safety and reliability are achieved, and the safety and the practicability of the safety box are greatly improved.

The invention relates to the technical field of household electrical appliances, and discloses a convenient adjustable power supply plug board, which includes a housing, a circuit board is fixedly installed on the side of the inner cavity of the housing, and the side of the circuit board is fixedly installed sequentially from top to bottom. The first plug connection block and the second plug connection block, the side of the first plug connection block is fixedly connected with a three-head plug, the three-head plug is fixedly set on the side of the housing away from the circuit board, and the side of the second plug connection block is fixed The two-end inserts are connected, and the two-end inserts are fixedly set on the side of the housing and are located below the three-end inserts. The easy-to-use adjustable power supply plug-in board pulls the passive rod through the tension spring set on the housing, so that the cover board is close to the plug-in piece, and the socket on the plug-in piece is closed, and then the transmission plate and the positioning plate are driven by the telescopic spring The connection makes the shield block the jacks at the two ends of the inserts, effectively preventing the danger of leakage and storage of electricity, and improving the safety and practicability of the inserts.

The invention discloses a lock. The lock can detect whether a user exists in a preset range of the lock or not, an image of a current user is acquired if the user exists, whether the user is a legal user or not is judged by comparing the image of the current user with a preset legal user image, and finally the switch state of the lock is controlled according to judgment results. Besides, the imageof the current user can be sent to a preset terminal bound with the lock in advance by a wireless communication device. Accordingly, the lock can control the state by judging whether the user is thelegal user or not, and the image of the current user can also be fed back to the preset terminal, so that safety and practicability of the lock are improved. The invention further provides a lock state control method with a function corresponding to the function of the lock.

The invention discloses a waterproof socket and plug capable of being operated underwater. The waterproof socket comprises a plug, a row type socket matching the plug, and a wall socket matching the plug. The plug comprises a taper hole sealing nut, a silica gel taper plug, a junction box cover, a sealing silica gel ring, a junction box insertion fixing seat, a metal ground wire buckle, a conductive contact and a ground wire connecting insert. The silica gel conical plug is clamped in a conical hole sealing cap; the taper hole sealing cap is in threaded connection with one side of the junctionbox cover, the other side of the junction box cover is connected with the junction box insert fixing seat in a clamped mode, a sealing silica gel ring is arranged at the contact position of the junction box cover and the junction box insert fixing seat, and two conductive contacts are in threaded connection with the side, away from the junction box cover, of the junction box insert fixing seat. The waterproof socket and plug capable of being operated underwater have the advantages of being operated underwater, preventing misplug by children, being not easy to loosen when the wire socket and plug are pulled, preventing electric arcs from being generated and the like.

The invention relates to a communication iron tower with an antitheft function and a stable structure. The communication iron tower comprises a base, a bottom plate, a tower body, a platform, a lightning rod, a processor, a plurality of antennae and four fixing devices, wherein each fixing device comprises a fixing plate, a support column, a bulge plate, an ejection plate, a plurality of fasteningmechanisms and four antitheft mechanisms; each fastening mechanism comprises an anchor screw, a gasket, a casing and a plurality of rotating assemblies; each antitheft mechanism comprises an upper plate, a lower plate, a lifting assembly, a lifting plate and two antitheft assemblies; each antitheft assembly comprises a driving unit, a driven unit, a suspender, an insert rod and an insert ring. According to the communication iron tower with the antitheft function and the stable structure, the fixing plates are fixedly extruded above the base by the fastening mechanisms, so that the bottom plate and the tower body are fixed, and the tower body is more stable; further, the upper plates and the lower plates are relatively fixed by means of the antitheft mechanisms, the anchor screws are shielded, the casings are prevented from being stolen, equipment is protected, and safety and practicability of the equipment are improved.

The invention discloses a cabinet lock which comprises a lock body and a back plate. The back plate is connected with the lock body through a fastener, and a lock rotating shaft penetrating to the rear of the lock body is arranged on the lock body; the lock body comprises a mounting seat and a handle, and the handle comprises a grip and a rotating seat; the rotating seat is rotatably arranged on the mounting seat, and the rear end of the rotating seat is connected with the front end of the lock rotating shaft; a grip containing groove used for containing the grip is formed in the front end face of the mounting seat, the upper end of the grip is hinged to the front end of the rotating seat, and a torsional spring is further arranged between the grip and the rotating seat; an MCU control module, as well as a Bluetooth communication module, a network remote communication module, a GPS module and an electromagnetic lock which are connected with the MCU control module are arranged in the mounting seat; and a clamping assembly matched with the electromagnetic lock is arranged on the rear side of the lower end of the grip. The cabinet lock has the effect of being universally installed among different cabinet locks, and further has the functions of mobile phone terminal unlocking, network remote unlocking, lock position real-time monitoring and the like.

The present application provides a service control method, a service control system, a server, and a computer storage medium. The service control method is applied to a service system. The service system at least comprises a client, a first server and a second server. The client establishes a communication connection with the first server, and the first server establishes a communication connection with the second server. The service control method comprises the following steps: the client sends a service request instruction to the first server, wherein, the service request instruction at least comprises service function information and user information; The first server sends a service request instruction to the second server. The second server obtains the first right information according to the service function information and the user information, and sends the first right information to the first server. The first server controls the service right of the client according to the first right information. By the service control method, the application can reduce the load of the server and improve the practicability and security of the service system.

The embodiment of the invention relates to an unmanned aerial vehicle, a voice system thereof and a voice interaction method. The voice system is applied to the unmanned aerial vehicle, and the unmanned aerial vehicle comprises an aircraft body and the remote controller which is in communication connection with the aircraft body; the system comprises a voice processor and a loudspeaker, the voiceprocessor is provided with at least one input end and an output end and used for processing and switching input signals received by the input ends, and output signals output from the output end are formed; the input ends comprise the first input end which is used for receiving preset audio segments as input signals, and the loudspeaker is connected with the output end and used for playing the output signals. Accordingly, the interactive mode between the unmanned aerial vehicle and users is enriched, and voice interaction between the unmanned aerial vehicle and humans is achieved.

A temperature self-balancing overheating protection brushless direct current motor driver for a bread maker comprises a control chip, a rotation speed measuring output circuit, a rotation speed control input circuit, a Hall rotor position sensor detection circuit, a temperature measuring circuit, an intelligent power module (IPM) power module circuit and an over-current detection circuit, and is characterized in that the control chip is a 120-degree hardware drive control chip and adopts an upper arm pulse-width modulation (PWM) control mode, the oscillation frequency is set as 20KHz, the rotation speed control voltage is set between 1.7V and 6.0V, the temperature measuring circuit is connected with the rotation speed control input circuit in parallel and comprises a positive temperature coefficient thermistor R23 and a triode transistor Q2, and the over-current detection circuit is connected with the IPM power module circuit in parallel. The temperature self-balancing overheating protection brushless direct current motor driver for the bread maker has the functions of over-current self-balancing overheating protection, undervoltage self-balancing overheating protection and temperature self-balancing overheating protection.

The invention provides a mobile phone address book management method based on image steganalysis, comprising a saving step and an extraction step. The saving step comprises the sub steps as follows: getting a carrier picture as a hidden storage space on a mobile phone; setting an extraction password of the hidden storage space; acquiring contact information needing to the saved to the hidden storage space; and using an image steganography algorithm to embed the contact information needing to the saved to the hidden storage space into the carrier picture. The extraction step comprises the sub steps as follows: acquiring the extraction password of the hidden storage space through mobile phone input; loading the carrier picture, and using the image steganography algorithm to extract the contact information embedded into the carrier picture; and displaying the extracted contact information via a mobile phone interface. According to the invention, mobile phone address book information is divided into general information and important information, and the image steganography technology is used. Compared with other mobile phone address book management methods, the mobile phone address book management method of the invention is of higher security and practicability.

A transformer power failure alarm method and device, the alarm method includes using a monitor to monitor the electrical signal at the output end of the transformer in real time; the monitor generates a low voltage signal and a low current signal in response to the electrical signal at the output end of the transformer, and transmits the signal to A voltage-to-current converter; the voltage-to-current converter generates a digital signal in response to the low-voltage signal and the low-current signal, and sends it to the controller; when the digital signal is abnormal, the controller generates an alarm request signal and sends it to the server ; The server responds to the alarm request signal and sends alarm information to maintenance personnel. The invention solves the problem that the general transformer power-off alarm system can only monitor the operating state of one transformer, but cannot monitor multiple transformers, and the setting of the power module provides a stable power supply for the alarm device, thereby improving the safety of the system and practicality.

The invention relates to a rotatable bridge frame. The rotatable bridge frame comprises a rotating mechanism, a climbing mechanism, an operating platform and a driving mechanism. The climbing mechanism comprises a space support, an upper end cover and a lower end cover, wherein the space support is arranged vertically, and the upper end cover and the lower end cover are up-and-down opposite to each other; through holes are formed in both the upper end cover and the lower end cover, and the upper end cover and the lower end cover are arranged on the space support in a sleeving mode through the through holes and are detachably connected with the space support; the rotating mechanism comprises a frame and a connecting part, wherein the frame is in a cylindrical shape and arranged vertically, the connecting part is fixed to the frame, and the frame is arranged on the space support between the upper end cover and the lower end cover in a sleeving mode; the frame is fixedly connected with the operating platform through the connecting part; and the driving mechanism drives the frame to rotate around the space support. According to the rotatable bridge frame, angle adjustment can be conducted on high, constructing efficiency is effectively improved, and constructing safety is guaranteed.

The invention provides a device for detecting the pressure resistance of a photovoltaic panel, and relates to the technical field of photovoltaic panel processing equipment. The device for detecting the pressure resistance of the photovoltaic panel comprises a workbench, and is characterized in that a supporting barrel is fixedly connected to the left side of the top of the workbench; a supportingframe is fixedly connected to the right side of the top of the workbench; a lifting motor is fixedly connected to the bottom of the inner wall of the supporting barrel; a screw rod is fixedly connected to the output end of the lifting motor; a moving block is in threaded connection with the surface of the screw rod; a sliding plate is fixedly connected to the right side of the moving block; one side, away from the moving block, of the sliding plate is connected with the left side of the supporting frame in a sliding manner. The device for detecting the pressure resistance of the photovoltaicpanel, provided by the invention, solves the problem that when the photovoltaic panel is put into use, the quality of the photovoltaic panel is unqualified because the existing device for detecting the pressure resistance of the photovoltaic panel is simple in structure and cannot obtain an accurate detection value of the pressure resistance of the photovoltaic panel; the practicability and the safety of the whole device are greatly enhanced; the device for detecting the pressure resistance of the photovoltaic panel is suitable for market popularization.

The invention relates to the technical field of medical instruments, in particular to a fixing support convenient for doctors to operate for clinical anesthesia, which comprises a base, universal wheels bolted to four corners of the bottom of the base, a fixing mechanism arranged on the surface of the base, lifting mechanisms arranged at four corners of the top of the base, a support plate bolted to the tops of the lifting mechanisms, and an adjusting mechanism is bolted to the center of the top of the base; through arrangement of universal wheels, the fixing mechanism, the lifting mechanism, the adjusting mechanism, a guide rail, a sliding block, a connecting seat and an arc-shaped plate, the limb fixing device has the advantages of being convenient for doctors to operate, capable of performing lifting adjustment, suitable for different treatment environments and capable of fixing limbs of patients, thereby improving safety and practicability. The problems that an existing fixing support is single in function and inconvenient to operate, treatment of a doctor on a patient is easily affected, meanwhile, the height of the fixing support cannot be adjusted, and the anesthesia treatment efficiency is reduced are solved.

Provided are an image processing method and apparatus based on a video conference. The image processing method includes: obtaining an image transmitted by an image acquisition terminal; obtaining identity information of a participant; adding the obtained identity information to the image in the form of a watermark to form a watermarked image; and outputting the watermarked image.

An electric power distribution network load monitoring device is used for power grid operation monitoring. A smoke sensor and a dry powder box are arranged on two sides of the top end of the inner wall of the cabinet body respectively, a connecting pipe is inserted into one side wall of the dry powder box and connected with the electromagnetic valve, and a nozzle is mounted at the end of the connecting pipe; a signal collector, a filter and a data processor are arranged on a partition plate in the cabinet body; an operation panel is arranged on the front face of the cabinet body, and a displayscreen is embedded in the operation panel. By arranging the smoke sensor, the dry powder box, the electromagnetic valve and the connecting pipe, the smoke sensor can monitor the interior of the device in real time, when smoke is monitored, the electromagnetic valve is immediately controlled to act, dry powder in the dry powder box is sprayed out through the connecting pipe, fire extinguishing isconducted at the first time, fire accidents are prevented from being expanded, and the safety and practicability of the device are improved; by arranging the filter, impurity signals doped in the signals can be removed, so that the accuracy of a monitoring result of the device is ensured, and therefore, the monitoring reliability of the device is improved.

The invention discloses an independent air chamber type inflatable boat, which comprises an inflatable floating body and a boat bottom. The inflatable boat is characterized in that the inflatable floating body comprises an inflation valve, an inflation air channel, an independent air chamber, a deflation channel and a deflation valve, wherein the independent air chamber comprises an inflation one-way valve, air chambers and a deflation one-way valve. After the independent air chamber is inflated, under the action of the inflation one-way valve and the deflation one-way valve, the air in each air chamber can be ensured not to flow backwards or exchanges, so that the air pressure in each air chamber is kept uniform, and when a certain air chamber is damaged and leaks, the gas in other independent air chambers cannot be influenced to leak, the original air pressure can be kept, so that the inflatable boat can still be used continuously, the inflatable boat has extremely high safety and practicability, and is suitable for military and civil use.

The invention discloses an insulation detection system. The insulation detection system comprises a resistor R1, a resistor R2, a resistor Rs, a controllable voltage source Us, a voltage follower circuit and a sampling processing circuit, wherein the resistance values of the resistor R1, the resistor R2 and the resistor Rs can be dynamically controlled; the first end of the resistor R1 is connected with the positive electrode of high-voltage direct current output; the second end of the resistor R1 is connected with the first end of the resistor R2; the second end of the resistor R2 is connected with the negative electrode of the high-voltage direct current output; the negative electrode of the controllable voltage source Us is connected with the reference ground GND; the positive electrode of the controllable voltage source Us is connected with the first end of the resistor Rs; the second end of the resistor Rs is connected with the second end of the resistor R1; the potential difference signals at two ends of the resistor R3 are transmitted to the voltage input end of the voltage follower circuit; and the voltage output end of the voltage follower circuit is connected with the sampling processing circuit. The insulation detection system can detect the insulation condition of the high-voltage direct current system and has high detection precision.

The invention discloses an upper limb exercise device and an exercise method.The upper limb exercise device comprises a rotating disc, a rotating shaft is rotationally arranged on the rotating disc, a grip is fixedly connected to the upper portion of the rotating shaft, a clamping device is arranged below the rotating shaft, a servo motor is fixedly connected to the lower portion of the rotating disc, a telescopic rod is fixedly connected to the lower portion of a servo electric cylinder, and a servo electric cylinder is connected to the lower portion of the telescopic rod, the lower part of the servo electric cylinder is fixed on the bottom plate and is provided with a seat for correcting a training posture. The device is simple in structure, is controlled by the remote controller, is safe to use, can carry out independent or comprehensive exercise on the wrist, the arm and the shoulder, and achieves the effect of carrying out different degrees of exercise aiming at different stages of a user.

The invention relates to the technical field of automobile maintenance auxiliary devices, and in particular relates to an engine oil recovery auxiliary device for automobile maintenance which comprises a bottom plate, a collecting box is fixedly connected to the top end of the bottom plate. First sliding grooves are obliquely formed in the front side wall and the rear side wall of the interior ofthe collecting box. A through groove extending into the first sliding groove is formed in the left end of the collecting box; a groove is formed in the position, corresponding to the first sliding groove, of the right side wall in the collecting box, a fixing frame is slidably connected into the first sliding groove, the right end of the fixing frame extends into the groove, the left end of the fixing frame extends into the through groove, and the left end face of the fixing frame and the right end face of the collecting box are located in the same vertical plane. According to the engine oil recovery auxiliary device for automobile maintenance, waste engine oil in an engine can be filtered, the waste engine oil can be conveniently recycled, the waste engine oil can be prevented from splashing everywhere during discharging, maintenance parts can be conveniently stored, cleanliness of the ground of a working area is improved, use safety and practicability of the engine oil filtering device are improved, and use limitation is reduced.