47results about How to "Play the role of security" patented technology

The invention discloses a flexible ankle rehabilitation robot system. An execution module is connected with a foot module through a Bowden cable and a shank module, and a tension module for measuringtransmission force of the Bowden cable is arranged between the shank module and the foot module; a shank gyroscope is arranged on the shank module, a foot gyroscope and a pressure insole are arrangedon the foot module, a heel pressure sensor and a foot sole pressure sensor are arranged on the pressure insole, and the shank gyroscope and the foot gyroscope are arranged on the front face and the foot face of the shank of a user correspondingly; the pressure insole is located inside the foot module, sends a control instruction towards the execution module through an upper computer and receives sensing feedback information; the execution module transmits torque through the Bowden cable and the shank module to the foot module, so that ankle movement is assisted; and the shank gyroscope and thefoot gyroscope are mutually matched for detecting ankle motion information. The flexible ankle rehabilitation robot system is low in weight and achieves the gait training function for users with abnormal gaits of foot drop and strephenopodia.

The invention discloses an electric vehicle low voltage power supply system with a battery balance adjustment function and a control method of the electric vehicle low voltage power supply system, and relates to the technical field of electric vehicle power supply systems. The system comprises an electric vehicle double circuit power supply system, and can implement maintenance, self-checking and evaluating on a battery. The system comprises the battery, a first switch, a second switch, a power source management module, a low voltage load, a first node, a second node, a third node, a key switch module, a vehicle control module and a third switch; one end of the first switch, one end of the second switch and the positive electrode end of the battery are connected to the first node; the other end of the second switch, the other end of the third switch, the power source interface positive electrode end of the power source management module and the power source interface positive electrode end of the low voltage load are all connected to the second node; the negative electrode end of the battery, the power source interface negative electrode end of the power source management module, the power source interface negative electrode end of the low voltage load and the power source interface negative electrode end of the vehicle control module are all connected to the third node.

The invention discloses a security protection method and device for a sweeping robot. The method comprises the steps of collecting an image of a current moment and identifying a human face image whenthe sweeping robot performs sweeping; determining whether or not the human face image is matched with a preset user face; if not, performing a preset security protection operation. According to the method and device, a stranger in a house is detected while the house is swept, and a warning message is issued when the stranger are found, so that the sweeping robot can not only sweep the ground but also have a security protection function.

The invention relates to the technical field of safeguard and specifically discloses an intelligent safeguard system, comprising an indoor camera group for monitoring the indoor, and further comprising an access control camera, a processing module, and a control module, wherein the access control camera is used for monitoring entrance and exit of a house; the processing module is used for acquiring image information in the access control camera, performing feature extraction on characters in the image information, and recognizing the extracted behavior and facial features to obtain corresponding behavior and facial recognition results; the control module is used for controlling switch-on and switch-off of the indoor camera group, wherein the processing module is in signal connection with the control module; when the behavior recognition result of the processing module is going home and the facial recognition result is the owner, the processing module sends a switch-off signal to the control module, and the control module switches off the indoor camera group; when the behavior recognition result of the processing module is outgoing and the facial recognition result is the owner, theprocessing module sends the switch-on signal to the control module, and the control module switches on the indoor camera group. By adoption of the technical scheme of the invention, the privacy of the user can be protected.

The invention discloses a vehicle-mounted Internet intelligent control system and a control method thereof and relates to the technical field of electric automobile vehicle-mounted Internet. The vehicle-mounted Internet intelligent control system is provided with an electric automobile double-circuit power supply system. A battery can be maintained, self-checked and evaluated. The vehicle-mounted Internet intelligent control system comprises the battery, a first switch, a second switch, a power management module, a low-voltage load, a first node, a second node, a third node, a key switch module, a vehicle control module and a third switch. One end of the first switch, one end of the second switch and the anode end of the battery are connected to the first node. The other end of the second switch, the other end of the third switch, the power interface anode end of the power management module and the power interface anode end of the low-voltage load are all connected to the second node. The cathode end of the battery, the power interface cathode end of the power management module, the power interface cathode end of the low-voltage load and the power interface cathode end of the vehicle control module are all connected to the third node.

The invention discloses an intelligent voice prompt system of a new energy automobile and a control method of the intelligent voice prompt system, and relates to the technical field of electric automobile vehicle-mounted internet. The system is provided with an electric automobile double-circuit power supply system and can maintain, self-inspect and evaluate a battery. The system comprises the battery, a first switch, a second switch, a power management module, a low-voltage load, a first node, a second node, a third node, a key switch module, a vehicle control module and a third switch; one end of the first switch, one end of the second switch and the anode end of the battery are connected to the first node; the other end of the second switch, the other end of the third switch, the anode end of a power interface of the power management module and the anode end of a power interface of the low-voltage load are all connected to the second node; the cathode end of the battery, the cathode end of the power interface of the power management module, the cathode end of the power interface of the low-voltage load and the cathode end of a power interface of the vehicle control module are all connected to the third node.

The invention discloses a sidewalk safety gate, which includes: a power supply, a signal acquisition device for collecting traffic signal lights, an air screen device capable of producing a fog wall, and a control device, the control device and the The signal acquisition device is connected with signals, the control device is electrically connected with the air screen device, and the control device controls the working state of the air screen device. In the present invention, the air screen device is formed by water vapor to form a fog wall in the direction of pedestrians when passing a red light, which has an intuitive image and a visual impact, and there is no obstruction in front of a green light, corresponding to the traffic regulations of stopping at a red light and going at a green light, and playing the role of safety precautions . The turnstile does not set up physical barriers in the direction of pedestrians, and pedestrians can quickly get ready to pass when the signal lights are switched, which is convenient to use. The fog wall can also be combined with other equipment to generate images.

The invention relates to an anti-falling recyclable safety plugging device which comprises a bidiscoidal nickel-titanium wire bracket, a screw thread steel bushing, a polyester film and a sewing line. The screw thread steel bushing is arranged on the bidiscoidal nickel-titanium wire bracket; the polyester film is arranged in the bidiscoidal nickel-titanium wire bracket; the screw thread steel bushing is provided with a process slot in a truncated cone shape; the process slot is provided with a through hole; and the sewing line passes through the through hole. The safety plugging device disclosed by the invention solves the problem that an existing plugging device is likely to fall off to cause safety risk; moreover, the safety plugging device realizes that if the plugging device falls off after being separated from a push rod in the minimally invasive or interventional therapy of the congenital heart disease, recycling or regulation of the plugging device can be carried out again; the anti-falling recyclable safety plugging device has a simple structure and is easy to operate; safety risk of an operation is greatly reduced; the admission threshold of the minimally invasive or interventional operation on skills of a doctor is also relatively reduced; and the anti-falling recyclable safety plugging device is beneficial to selection of a patient and popularization of an operation method.

The invention relates to a sword-type coelocentesis catheterization device, and belongs to the field of medical aid. A guide needle of the device is sword-shaped and flat as a whole; the sword-shaped needlepoint is flat and convex; the convex tip protrudes out of a blind hole of a coelomic drainage tube, and dropped shoulders on the two sides are broadened and positioned in the blind hole; and the cross section of the sword-shaped guide needle is a rhombus, of which the four edges and corners are in blunt and smooth transition with one another. The device has the advantages of simple structure, convenient operation, small volume, light weight and strong emergency reaction, can provide thyrocricocentesis catheterization for aeration and aspiration of sputum and acute puncture catheterization of chest, abdomen and pelvic cavity for drainage at a top speed, meet the requirements of anatomical physiology and reduce the damage of tissues.

The invention discloses a low-voltage power supply double-circuit system for an electric automobile and a control method of the low-voltage power supply double-circuit system and relates to the technical field of electric automobile power supply systems. The system is provided with an electric automobile double-circuit power supply system, and a battery can be maintained, self-checked and evaluated. The low-voltage power supply double-circuit system comprises the battery, a first switch, a second switch, a power management module, a low-voltage load, a first joint, a second joint, a third joint, a key switch module, a whole automobile control module and a third switch. One end of the first switch, one end of the second switch and the positive electrode end of the battery are connected to the first joint. The other end of the second switch, the other end of the third switch, the power interface positive electrode end of the power management module and the power interface positive electrode end of the low-voltage load are connected to the second joint. The negative electrode end of the battery, the power interface negative electrode end of the power management module, the power interface negative electrode end of the low-voltage load and the power interface negative electrode end of the whole automobile control module are connected to the third joint.

The invention relates to an elevator car passenger number detection method and system based on double-path monitoring video analysis. The method comprises the following steps that firstly, the video data of outer and inner paths (I and II) obtained through monitoring an elevator are transmitted to a hard disk video recorder; secondly, the hard disk video recorder sends the two paths of videos toan algorithm module 1 and an algorithm module 2 for analysis correspondingly; the algorithm module 1 analyzes the I-path video and calculates the total number of people going in and out of the car according to the duration time of the opening and closing processes of the elevator door; the algorithm module 2 analyzes the II-path video, and calculates the direction function of going in and out ofpeople according to the change of the foreground area before and after the opening and closing of the elevator door; and finally, the calculation result of the algorithm module 1 and the calculation result of the algorithm module 2 are sent to an algorithm module 3, the algorithm module 3 is used for taking the product of the total number of people going in and out of the car and the direction function as the net number of people entering the car, and the calculation result of the algorithm module 3 is stored in a database for analysis or giving an alarm when the number of people is found to be overloaded.

The invention discloses a sidewalk safety gate, which includes: a power supply, a signal acquisition device for collecting signals of traffic lights, a stepping device for feeling the gravity of pedestrians, an alarm device coupled with the stepping device and a control system. device, the control device is signal-connected to the signal acquisition device, the control device is electrically connected to the stepping device, the control device is electrically connected to the alarm device, and the control device controls the operation of the stepping device state. In the present invention, the warning device generates warning information to remind after the pedestrian's gravity is felt by the stepping device of the control device, corresponding to the traffic regulations of stopping at a red light and going at a green light, so as to play the role of safety precautions. The turnstile does not set up physical barriers in the direction of pedestrians, and pedestrians can quickly get ready to pass when the signal lights are switched, which is convenient to use.

The invention relates to an output equipment encryption and identification method and system, which comprises a front end input device and a rear end output equipment, wherein the output unit has a unique sequence number, while the encryption and identification method includes installing safety fonts into the input equipment and the output equipment. The beneficial result of the invention is that, it can accomplish the effective monitoring and control for the output equipment, in particular those for the special industries, or the special-purpose output equipment.

The invention discloses a semi-automatic pressing tool based on the automotive electronics industry, and belongs to the technical field of the manufacturing industry. The semi-automatic pressing tool comprises a control box base, a mounting plate is fixedly connected to the upper surface of the control box base, a mounting box is arranged on the upper surface of the mounting plate, and a guide rail translation auxiliary assembly is arranged on the upper surface of the mounting plate; a lower die assembly is arranged at the top end of the guide rail translation auxiliary assembly, and a Z-axis downward pressing assembly is arranged at the top end in the mounting box; and the Z-axis downward pressing assembly is arranged, a servo motor rotates, a downward pressing platform drives a camera decorative cover to move downwards, when the camera decorative cover moves to be attached to a to-be-pressed part, a PLC controls a pressure sensor to monitor the pressing pressure time, when the to-be-pressed part and the camera decorative cover are fixed together, the servo motor stops rotating, so that the downward pressing platform stops downward pressing, the production efficiency is improved, the labor intensity of workers is reduced, and the semi-automatic pressing tool can automatically and quickly descend for pressing.

The invention relates to the technical field of food processing, in particular to a quick-frozen processing and preparation method for filling green vegetables. The method includes the steps of: cutting off vegetable root hair and unusable parts, then performing soaking in a sodium bicarbonate aqueous solution with a mass fraction of 0.8%-1.4% for 30-45min, then conducting cleaning with clear water, putting the treated vegetables into a vacuum impregnation tank filled with a color protectant with a mass fraction of 1.2%-3.6%, conducting vacuum pumping to 0.08-0.11MPa, performing soaking for 20-30min, then putting the product into a cooking pot, adding a 85-95DEG C blanching solution with a mass fraction of 0.8%-1.2% for blanching for 10-15s, then carrying out cooling and draining, fillingmaking, quick-freezing, packaging and refrigeration, thus obtaining the vegetable filling. The vegetable filling prepared by the method provided by the invention has the advantages of suitable color and taste, low nutritional loss, green and safety.

The invention relates to a hydraulic system applied for a die hydraulic testing machine. The hydraulic system comprises: a fuel tank; a hydraulic pump; a motor, which is connected with a pump shaft; a proportioning valve, which is used for controlling a pressure and a flow of hydraulic oil; a valve plate; a plurality of magnetic valves, which are installed on the valve plate and are used for controlling circulation and cut off of a hydraulic channel; and a cooler, which are used for cooling the hydraulic oil. The fuel tank is communicated with the hydraulic pump through a pipeline; the hydraulic pump is communicated with the proportioning valve through a pipeline; the proportioning valve is communicated with the valve plate through a pipeline; the valve plate is communicated with an oil cylinder of a detected die through a pipe line; the valve plate is also communicated with the cooler through a pipeline; and the cooler is communicated the fuel tank through a pipeline; therefore, a hydraulic detection and cooling loop is formed. According to the hydraulic system applied for the die hydraulic testing machine provided in the invention, die detection can be carried out when the die is assembled, after the die assembly is completed, before the die trial on an injection machine and before the die transportation.

The invention discloses a maintenance-facilitating lifting power distribution device comprising a power distribution cabinet body and a guide column. The bottom of the guide column is fixed on a buried base. A lifting block is fixedly connected on the side surface of the power distribution cabinet. The lifting block is installed on the guide column and a lifting screw rod. The bottom of the lifting screw rod is meshed with a hand rod through helical gears. The objective of the invention is to provide the maintenance-facilitating lifting power distribution device. The structure is simple, the lifting screw rod is controlled to rotate by the hand rod to drive the power distribution cabinet body to ascend and descend. When the power distribution cabinet body is lowered, maintenance can be performed conveniently, the danger caused by aerial operation is avoided and the safety performance is improved.

A security alarm method based on a smart wristband. The wristband comprises a watchband and a movement. The movement comprises a processor, a display screen, a buzzer and a triaxial acceleration sensor. The method comprises the steps of: 1, acquiring the triaxial acceleration data of the smart wristband by using the triaxial acceleration sensor; 2, determining whether or not the wristband enters an early warning mode; 3, determining whether or not the wristband is moved; 4, enabling the processor to control the buzzer to beep and sends the early warning information to a phone end bound with a smartphone; and 5, releasing the early warning of the phone end and going to the step 2, or enabling the buzzer to continuously beep If the phone end does not release the early warning.

The invention discloses an electric vehicle low voltage power supply system with a battery balance adjustment function and a control method of the electric vehicle low voltage power supply system, and relates to the technical field of electric vehicle power supply systems. The system comprises an electric vehicle double circuit power supply system, and can implement maintenance, self-checking and evaluating on a battery. The system comprises the battery, a first switch, a second switch, a power source management module, a low voltage load, a first node, a second node, a third node, a key switch module, a vehicle control module and a third switch; one end of the first switch, one end of the second switch and the positive electrode end of the battery are connected to the first node; the other end of the second switch, the other end of the third switch, the power source interface positive electrode end of the power source management module and the power source interface positive electrode end of the low voltage load are all connected to the second node; the negative electrode end of the battery, the power source interface negative electrode end of the power source management module, the power source interface negative electrode end of the low voltage load and the power source interface negative electrode end of the vehicle control module are all connected to the third node.

The invention discloses an electric push bolt type escape door lock, and relates to the technical field of escape door locks. The door lock comprises a base, and a mounting frame, a bolt, a transmission plate, a motor, a cam, a push bolt and an elastic piece which are arranged on the base, wherein the bolt is arranged in the mounting frame, the upper part of the bolt is a shifting part, the middlelower part is a locking part, the shifting part is rotatably connected with the mounting frame, the middle part of the transmission plate is rotatably connected with the mounting frame, one end of the transmission plate is a connecting end, the other end of the transmission plate is a shifting end, the shifting end is positioned below the shifting part and is in contact with the shifting part, the push bolt is in sliding connection with the base, the connecting end is connected with the push bolt, the cam is arranged under the shifting end and is in contact with the shifting end, an output shaft of the motor is connected with the cam, one end of the elastic piece is connected with the bolt, and the other end of the elastic piece is connected with the mounting frame. According to the doorlock, cam contact is adopted for transmission, and the transmission parts are not needed to be connected, so that the failure rate is low, the stability and reliability are high, the maintenance and upkeep are easier, the structure is simple, the assembly is easier and the production cost is low.

The invention discloses hydraulic hoisting equipment of mining machinery. The hydraulic hoisting equipment comprises an equipment base, a hydraulic hoisting mechanism, a hinge joint frame, a weighingframe and a control mechanism, wherein an electric road wheel is fixedly connected with the bottom surface of the equipment base; the hinge joint frame is fixedly connected with the upper surface of the equipment base; the upper part of the hinge joint frame is fixedly connected with the bottom of the weighing frame; and the control mechanism is arranged on the upper surface of the weighing frame.

The invention discloses a polycrystal ingot casting furnace for preventing silicon leakage in a thermal field. The polycrystal ingot casting furnace comprises a furnace body and a ceramic crucible arranged in the furnace body, wherein a heat exchange block is arranged at the bottom of the ceramic crucible. The polycrystal ingot casting furnace is characterized in that a silicon leakage prevention mechanism is arranged at the bottom of the furnace body and comprises at least two layers; the first layer is an aluminum oxide fiber felt or a magnesium oxide fiber felt, and the second layer is carbon fiber woven cloth. The polycrystal ingot casting furnace is simple in structure; due to the adoption of the simple multilayer design, an effect that the polycrystal ingot casting furnace prevents silicon leakage in the thermal field can be achieved, and melted silicon liquor with the temperature of more than 1,415 DEG C, which exudates out of the aluminum oxide or magnesium oxide fiber felt, can be effectively avoided after silicon is leaked; meanwhile, a contact area between high-purity quartz glass and metal at the bottom of the furnace is small, so that the heat conduction coefficient is low, flow out of heat is effectively prevented, and an effect of guaranteeing the safety is achieved.

The invention discloses a vehicle self-jacking device which comprises a pushing unit and a supporting part. The pushing unit comprises a driving source, a telescopic rod and a shell covering the periphery of the telescopic rod. The upper end of the telescopic rod is connected with the driving source, and the driving source provides power for the telescopic rod so that the telescopic rod can stretch out and retract. A fixing plate is arranged at the bottom of the shell, the telescopic rod vertically penetrates through the fixing plate at the bottom of the shell, and the lower end of the telescopic rod is connected with the supporting part. The supporting part comprises an antiskid tooth plate, a connector is arranged at the lower end of the telescopic rod, a connecting portion is arranged on the antiskid tooth plate of the supporting part, and the connector and the connecting portion are detachably connected. By arranging the self-jacking device on a vehicle, that is, the electric pushing or hydraulic pushing unit is additionally arranged to jack a vehicle body to lift wheels off the ground, many vehicle drivers can conveniently and quickly deal with vehicle wheel clogging, loss of the control over the vehicle on ice and snow roads, tire failure repairing and emergencies.

The invention provides an automatic control type gas energy-saving stove with the security function, and relates to the technical field of gas stoves. The automatic control type gas energy-saving stove with the security function aims at solving the problems that when an existing automatic control type gas energy-saving stove is used for a long time, the joint of a gas pipe is prone to aging, the phenomenon of gas leakage easily occurs, and an automatic security reinforcing structure is not arranged. The gas energy-saving stove comprises a main body, a connector, a moving part and a sealing part, wherein the main body is the automatic control type gas energy-saving stove, the outer side of the main body is of an inclined structure, and the moving part and a pull rod are arranged in a bottomgroove through springs. According to the gas energy-saving stove, the connector is used for being arranged at the rear end of the main body, so that when the gas energy-saving stove needs to be used,the connector can be connected to a gas pipe, the gas pipe can sleeve the outer side of the connector and the outer side of an ejector ring, then an ejector pipe is controlled to rotate, so that theejector pipe can push the ejector ring to protrude, and therefore, the ejector ring and the interior of the gas pipe are sealed in a close contact mode, and the sealing effect is better.

The invention discloses an automatic fastening oxygen tank in an ambulance, and belongs to the technical field of medical rescue equipment manufacturing. The oxygen tank is used to fix and store neatly oxygen bottles in the ambulance, and includes an outer tank body fixed in the ambulance and an inner tank body arranged in the outer tank body. An oxygen switching device is arranged at the top endof the inner tank body, a fixing seat is arranged on the upper section in the inner tank body, two arc-shaped grooves matched with the outer circumferential faces of the oxygen bottles are formed in the side wall, facing the inner tank body, of the front face of the fixing seat, a horizontal lead screw penetrating through the fixing seat is arranged between the arc-shaped grooves on the fixing seat, a pressing plate is connected with one side where the fixing seat is provided with the arc-shaped grooves of the lead screw, a lead screw deceleration motor is connected with the other side of thelead screw on the fixing seat, a lead screw channel matched with the lead screw is arranged in the pressing plate, and a lead screw deceleration motor switch is arranged on the outer tank body. According to the oxygen tank, the pressing plate controlled automatically is matched with the fixing seat to fix two oxygen bottles, the action of fixing and replacing the oxygen bottles quickly in the ambulance can be achieved, and the problems that the oxygen bottles need to be fixed manually in an existing ambulance, the replacing is not convenient and the bottles are prone to loosening can be solved.

The invention relates to the field of building construction equipment, and particularly relates to an overall lifting construction operation platform. The overall lifting construction operation platform comprises a wall penetrating assembly arranged on a building wall in a penetrating mode, an attachment supporting assembly mounted at one end of the wall penetrating assembly and located on the outer side of the wall, a frame body assembly arranged at one end of the attachment supporting assembly in a sliding fit mode, and a power assembly mounted on the attachment supporting assembly. The other end of the power assembly is connected with the frame body assembly, and the frame body assembly vertically ascends and descends on the outer side of the wall. The wall penetrating assembly comprises a pair of fixing rods arranged on the wall in a penetrating mode, clamping plates arranged at one ends of the fixing rods in a clamped mode, and fixing plates fixedly connected to the other ends of the fixing rods. The attachment supporting assembly is mounted on the fixing plates, long-strip-shaped inserting grooves are formed in the two fixing rods located on the inner side of the wall, and the clamping plates are inserted into the inserting grooves and can abut against the inner side face of the wall. The overall lifting construction operation platform has the effect that the problem that an existing frame body system is prone to shaking in the lifting process is solved.

The invention discloses a method for calculating the position of a single-point overspeed capture system for a bend downhill section. The 85%th vehicle speed of a starting point of the bend downhill section is obtained according to historical statistical data; the 85%th vehicle speed of the starting point of the bend downhill section and the maximum running speed of the bend downhill section are compared to obtain a target speed of the bend downhill section; and the position of the single-point overspeed capture system for the bend downhill section is calculated according to the target speed of the bend downhill section. Compared with the prior art, the method is favorable for enabling the single-point overspeed capture system to better play a role of preventing overspeed, reducing rear-end collision and ensuring safety, thereby improving road traffic safety.

The invention discloses a novel portable instrument for monitoring diabetic nephropathy. A double-layer shell is arranged on the basis of an existing portable detection instrument to protect components in the instrument, and a honeycomb-shaped impact absorber is filled between the double-layer shell, so that the shock resistance and drop resistance of the portable detection instrument are effectively improved; a pneumatic protection bag is arranged at a test paper inserting opening, a pneumatic protection bag is kept in a closed state before the test paper is inserted, the effective dustproof and waterproof effects are achieved, the inserted test paper can be fixed through the pneumatic protection bag, and the test paper is prevented from falling off in the testing process to cause detection failure; and an emergency calling function is additionally arranged on the basis of an existing portable instrument body, old people are likely to have various diseases, effective life support can be obtained under the condition that other diseases emerge, the displacement sensor is further arranged in the test paper inserting opening to monitor whether the test paper is inserted in place or not, and detection effectiveness is guaranteed.

A safety goods delivery system comprises a first single-acting cylinder, a second single-acting cylinder, a third single-acting cylinder, a fourth single-acting cylinder, a front stopper, a rear stopper, a first single-acting cylinder solenoid valve, a second single-acting cylinder solenoid valve, a third single-acting cylinder solenoid valve, a fourth single-acting cylinder solenoid valve, a first rotary rod, a second rotary rod which are connected. By means of the structure, defects that currently, when the delivery speed decreases to zero, a clutch failure occurs frequently, inertial migration of a goods migration device is probably caused by slope obstacles and even a serious accident occurs are avoided.