392results about How to "Play a role of security protection" patented technology

The invention discloses a pressure monitoring and controlling method used in an aerating system of a medical device. The pressure monitoring and controlling method comprises monitoring the confining pressure of an expiratory valve on a real-time basis, and regulating and maintaining the pressure and the set confining pressure of the expiratory valve at the same value; and monitoring the pressure of a patient terminal gas channel on a real-time basis, and regulating and maintaining the pressure to reach a set control pressure. The aerating system used in the medical facility comprises a gas path system and a pressure monitoring and controlling device. The pressure monitoring and controlling device comprises a parameter monitoring and controlling unit, a valve control unit and a master controller, wherein the parameter monitoring and controlling unit includes a first pressure detecting device placed in to the patient terminal gas channel in the gas path system, and a second pressure detecting device for monitoring and controlling the confining pressure of the expiratory valve in the gas path system. A breathing machine and an anaesthetic machine using the aerating system in the technical proposal monitor the pressure of a control branch of the expiratory valve therein and employ the pressure as the basis of the feedback control to effectively avoid the external disturbance, thereby realizing stable and reliable pressure control.

The invention relates to a mobile detecting robot, in particular to an insulator detecting robot which comprises a first crawler wheel, a box body, a second crawler wheel, a variable pitch telescoping mechanism and a probe driving mechanism, wherein the variable pitch telescoping mechanism is installed on a box body; the first crawler wheel and the second crawler wheel are positioned at two sides of the box body and respectively articulated with the variable pitch telescoping mechanism; the first crawler wheel and the second crawler wheel are respectively connected with a first stroke sensor and a second stroke sensor; and the probe driving mechanism is arranged below the box body. The invention adopts the variable pitch telescoping mechanism which can telescope and change, can be adaptable to changes in distance of an horizontal twin insulator string, has good safety protection performance, high travelling speed, simple stringing operation, small abrasion of an insulator coating and reliable lap joint of a probe, and is suitable for electrified detection of the insulator.

The invention discloses a method for controlling air exchange of a vehicle. Indoor temperature and outdoor temperature of the vehicle are detected, and if the indoor temperature is greater than the outdoor temperature, vehicle windows and / or a sunroof of the vehicle are / is automatically opened, and if not, the vehicle windows and / or the sunroof of the vehicle are / is automatically closed. The invention further discloses a device for controlling air exchange of the vehicle, and the vehicle including the air exchange control device. According to the invention, problems / problem of automatic control to the driving cab temperature of the vehicle and / or the improvement on the air quality are / is solved, the seating comfort of the vehicle is improved, good health for a driver and passengers is facilitated, and the effects of energy conservation and emission reduction are achieved.

The invention discloses a stripping device for an integrated circuit (IC) chip. The device comprises a mounting plate, a position regulation mechanism, a sliding table mechanism, an ejector pin mechanism and a vacuum generator. The ejector pin mechanism comprises a sleeve, a linear motor, a linear transmission mechanism, a force sensor, an ejector pin seat, an ejector pin clamping piece and an ejector pin, wherein the sleeve is arranged on a sliding table; the linear motor is arranged in the sleeve, and the control end of the linear motor is connected with the output end of an external control center; the linear transmission mechanism is arranged in the sleeve, and the lower end of the linear transmission mechanism is connected with an output shaft of the linear motor; the force sensor is arranged between the output shaft of the linear motor and the linear transmission mechanism, and the signal output end of the force sensor is connected with the input end of the external control center; the ejector pin seat is arranged at the top of the sleeve; an air hole is formed in the surface of the ejector pin seat; the ejector pin seat is connected with an air tube of the vacuum generator through the air hole; the ejector pin clamping piece is arranged in the ejector pin seat, and is connected with the upper end of the linear transmission mechanism; and the ejector pin is clamped through the ejector pin clamping piece. A closed loop force control scheme is adopted, and the chip is stripped on the premise of no damage to the chip, so that the device has the characteristics of safety, high efficiency and high stripping reliability.

The present invention relates to a cleaning and disinfection apparatus. The cleaning and disinfection apparatus comprises a cleansing tank. The top of the cleaning tank is provided with a top cover, the bottom of the cleaning tank is provided with a drainage pipe. A cleaning rack is rotationally arranged in the cleaning tank. The cleaning tank is provided with an electrolysis and water generating device. According to the cleaning and disinfection apparatus, the electrolysis and water generating device is arranged in the cleaning tank, the electrolysis and water generating device and the cleaned material can maintain the short-distance contact, when the cleaning and disinfection apparatus works, the generating hydroxyl radical can directly enter the water containing the processed material, and contacts the processed material in a short time, such that the cleaning and disinfection efficiency can be improved; with the rotation effect of the multifunctional cleaning rack, the stirring water flows through the electrolysis and water generating device, such that the hydroxyl radical can provide a effect for the surface of the processed material and the internal of the water so as to achieve the highest efficiency of the cleaning and disinfection apparatus.

The invention discloses an intelligent lock based on a storage cabinet of the Internet of Things and an operation method of the intelligent lock. The intelligent lock comprises a shell, a panel, a lock body, a motor module, a mechanical unlocking module, a main board module and a fingerprint recognition module. The intelligent lock has the functions of electronic unlocking and automatic locking and also has the functions of manual unlocking and locking. The using safety and operation convenience of the intelligent lock are improved, and the installing cost is reduced.

The invention discloses a pressure-maintaining and regulating hydraulic control system of a roll balance gear and relates to a hydraulic control system of a steel rolling machine. The pressure-maintaining and regulating hydraulic control system solves the problems of unreliable pressure maintenance, inconvenient equipment debugging and no pressure protection of a control loop in the prior art. The pressure-maintaining and regulating hydraulic control system is characterized in that: a hydraulic control loop comprises a pressure-maintaining loop of the roll balance gear and an adjusting loop of the roll balance gear; the pressure-maintaining loop is formed by connecting a pressure-reducing valve 11, an I-number electromagnetic directional valve 12, an energy accumulator 16, a safety valve 17, an I-number pressure meter 15, an II-number pressure meter 18 and a hydraulic oil pipe according to the conventional connecting method; the adjusting loop is formed by connecting an II-number electromagnetic directional valve 19, a one-way throttle valve 13, a pressure relay 14, a hydraulic locking valve 20, an overflow valve 21 and the hydraulic oil pipe according to the conventional connecting method; and the pressure-maintaining loop and the adjusting loop are separated and associated by using a hydraulic one-way valve 22 and a one-way valve 23.

The invention relates to a moving robot, in particular to a moving obstacle-crossing mechanism of an inspection robot, comprising a front moving mechanism, a front deflection mechanism, a bracket, a lifting mechanism, a rear deflection mechanism and a rear moving mechanism, wherein, the bracket is connected with the inspection robot, the lifting mechanism is hinged with the bracket, the front deflection mechanism and the rear deflection mechanism are symmetrically installed on the lifting mechanism, and the front moving mechanism and the rear moving mechanism are respectively installed on the front deflection mechanism and the rear deflection mechanism to be linked with the front deflection mechanism and the rear deflection mechanism. The advantages of the invention are as follows: the moving mechanism adopted by the invention has functions of both moving and gripping, which facilitates moving, climbing and obstacle-crossing; the adaptability to the road is good, the safety protection is good, and the invention is suitable for needs of field operation and moving on / down the line.

The invention relates to a mobile robot structure, in particular to a mobile robot being applicable to large span transmission line routing inspection, which comprises a front upper arm, a rear upper arm, a front lower arm, a rear lower arm and an electrical appliance box body, wherein one ends of the front and the rear lower arms are respectively installed on the electrical appliance box body, the other ends of the front and the rear lower arms are respectively and rotatably connected with one ends of the front and the rear upper arms through a front and a rear rotation mechanisms, and the other ends of the front and the rear upper arms are respectively provided with a travelling mechanism which travels on a transmission line and a clamping mechanism which clamps the transmission line; and the front and the rear rotation mechanisms have the same structure, and respectively comprise a rotation pair and a spring, one ends of the two upper arms of the mobile robot are respectively and rotatably connected with the other ends of the two lower arms of the mobile robot through the rotation pairs, and the springs which can rotatably reset the upper arms are arranged between the upper arms and the lower arms of the mobile robot. The mobile robot has the advantages of large climbing angel, off-line prevention, good safety protection, short obstacle navigation time, simple obstacle process, fault release function, wider application scope and the like.

The invention discloses automobile bumper injection molding process system integration. A material taking robot automatically selects a material taking gripper used corresponding to a product on a gripper placement frame, by means of cooperation between the material taking robot and the material taking gripper, the product is taken out of an injection molding machine, a material head shearing device automatically shears off a material head on the product, a flame machining device automatically completes following-up sintering machining of the product, a product turning mechanism can take the product from the material taking gripper and then turns over and automatically puts the product to a weighing mechanism so that automatic weighing can be carried out, whether the product is qualified or not is detected in a weighing manner, the weighed product automatically enters a discharging assembly line, the discharging assembly line discharges the product in order, guard bars can play a safety protection role, the whole device can automatically finish material taking, material head shearing, sintering machining, product detecting, discharging and other working procedures, the labor is greatly reduced, the machining efficiency is improved, and the production cost is reduced.

A planetary rotation polisher driven by synchronizing band and inclined drums is composed of master motor, mainshaft linked with said master motor small and big belt wheels, belt and left wheel and with left, right and central synchronizing band wheels, the inclined drums between left and right wheels for each and synchronizing band wheel at its right end, worm-gear speed reducer linked with central synchronizing band wheel via drive and driven chain wheels and chain, and machine frame with bearings.

The invention provides a temperature controller of the power battery of an electric car. The temperature controller is arranged nearby a battery, and comprises a plurality of temperature probes, a microprocessor and a heating device, wherein the temperature probes and the heating device are mutually and electrically connected with the microprocessor and the battery respectively; when the current battery temperature detected by any one temperature probe is lower than the floor temperature, the microprocessor gives out a heating control instruction, so that the heating device is started to heat the battery; and when the current battery temperature detected by any one temperature probe is higher than the ceiling temperature, the microprocessor gives out a heating-stopping control instruction, so that heating of the heating device on the battery is stopped. Through detecting the battery temperature on multiple points, the real-time monitoring of the multi-position temperature of the battery is achieved, the detecting accuracy and the detecting sensitivity are improved, the battery can be heated automatically in a low-temperature environment, and the heated battery keeps higher volume in a cold environment to improve the use efficiency of the battery effectively.

The invention belongs to the technical field of marine high-speed high-power diesel engines, and relates to an arrangement type for electric control high-pressure common rail systems on marine high-speed high-power diesel engines. The arrangement type is characterized in that each electric control high-pressure common rail system is provided with a common rail oil injection pump I and a common rail oil injection pump II which correspond to a column B of common rail pipes and a column A of common rail pipes; two timing gears are connected with output ends of the common rail oil injection pump I and the common rail oil injection pump II and are independent from each other; a flow limit valve I is arranged between each cylinder on a side A of a corresponding V-type diesel engine and the column A of common rail pipes; a flow limit valve II is arranged between each cylinder on a side B of the V-type diesel engine and the column B of common rail pipes; pressure relief valves are arranged on the B column of common rail pipes. The arrangement type has the advantage that sufficient oil still can be supplied by the remaining common rail oil injection pumps under the condition of maximum continuous output power of main propulsion machinery even if one of the common rail oil injection pumps fails.

The invention discloses a failure detecting and protecting method of a controlled silicon, comprising the following steps of: detecting whether a power source zero-crossing signal jumps by a central processing unit; carrying out opened circuit mark on the controlled silicon when the voltage of the controlled silicon is always less than 0.5V or always more than 4.8V after the zero-crossing signal jumps; carrying out short circuit mark on the controlled silicon when the voltage of the controlled silicon is always between 2.5V and 4.0V after the zero-crossing signal jumps; and operating a controlled silicon protection program by the central processing unit. The invention also discloses a failure detecting and protecting device of the controlled silicon. Through the failure detecting and protecting method of the controlled silicon and the device thereof provided in the invention, whether a fault occurrence element is the controlled silicon can be correctly judged, and the device is convenient to maintain through displaying fault information and a way of automatically cutting off a load power supply relay, therefore the security performance and the intellectualization degree of the product are improved.

The invention relates to a control-charge protector of electric vehicle, wherein it can control the torque, speed, charge protection and brake cut-off of electric vehicle. The bottom plated is arranged with charge relay, brake cut-off relay; the key switch is mounted on steering disc; the break switch is mounted on the brake integrity of front plate; the direction switch is mounted on the right motor frame; the accelerator is mounted on the front plate. The invention has simple structure, with which the electric vehicle can not start in charged, to improve safety.

The invention discloses a control method of a high-pressure common rail system pressure-limiting valve. The control method comprises the steps that the state of the pressure-limiting valve is judged by motoring whether a rail pressure value is greater than a rail pressure upper limit threshold value or not and combining the rail pressure variable quantity calculated according to the monitored railpressure value and the rotating speed condition; when the pressure-limiting valve forced switching-off condition is met, the pressure-limiting valve is actively switched off for controlled start; when the pressure-limiting valve impact condition is met, the pressure-limiting valve is actively switched on for controlled start; when the response delay time alarm condition is met, corresponding alarm information is set; and when the pressure-limiting valve inhibition condition is met, the pressure-limiting valve is actively inhibited for controlled start, wherein the state of the pressure-limiting valve is divided into six types, namely initialization, switching-off, testing, switching-on, impact and inhibition. By means of the control method, the hazards of long-time insufficient power, engine combustion, emission deterioration and even engine stalling caused by switching-on of the pressure-limiting valve are avoided.

The invention discloses a safety protection device of a smoke discharge pipe of a gas water heater. The safety protection device comprises a first electric conductor arranged on the smoke discharge pipe and extending along the axial direction of the smoke discharge pipe from the first end of the smoke discharge pipe to the second end of the smoke discharge pipe. The first end is the interface end for the smoke discharge pipe and the gas water heater. The second end is the tail end of the smoke discharge pipe extending the outside. The first electric conductor is connected with a control circuit of the gas water heater to form a loop. The first electric conductor can break when the smoke discharge pipe breaks or is moved and misplaced. The electric conductor is arranged in the axial direction of the smoke discharge pipe, so that the electric conductor and the control circuit in the e gas water heater form the loop. When the smoke discharge pipe is displaced, misplaced or disconnected, the electric conductor can break to cause disconnection of the loop, accordingly the water heater stops operating, and the safety protection effect is played.

The invention discloses a tyre crane anti-collision early warning system based on real-time video image recognition and a method thereof. The tyre crane anti-collision early warning system comprises a video image collection sensor system, a video image collection synchronous trigger control system comprising a video image collection synchronous trigger controller, an auxiliary illumination system connected with the video image collection synchronous trigger controller, an image analysis and processing main frame system, and a PLC connected with the video image collection synchronous trigger controller and the image analysis and processing main frame system. A sound-light alarm device is connected to the image analysis and processing main frame system. A power supply system provides power for all the systems. The tyre crane anti-collision early warning system is based on real-time video image recognition to give out anti-collision early warns to mechanical equipment such as tyre cranes, and has the advantages of wide view field, high reliability, continuous working capacity and environmental suitability, rapid response and the like.

An intercity electric multiple unit (EMU) power bogie relates to the technical field of EMU bogies. The intercity EMU power bogie comprises a frame, two wheel set and axle box assemblies, four primary suspension assemblies, a secondary suspension assembly, a traction assembly, two driving device assemblies, four basic braking device assemblies, and shaft-end equipment. The gear box of the power bogie is suspended in a C-shaped bracket structure, which has the advantages of small coupling displacement and higher installation reliability compared with the hanger rod structure of the previous gear box. The bogie and the train body are connected by a connection sleeper beam, the train body and the bogie can be separated quickly and conveniently in application and maintenance, and modular design of the bogie is realized. The primary suspension devices are each provided with a primary stop pin, and the primary stop pins can support the train body and achieve a safety protection effect when steel springs are broken. The wheel set and axle box assemblies are provided with anti-off plates which can prevent an axle box swivel arm from falling off when axle box swivel arm installing bolts are loosened.

The invention relates to the technical field of robots, in particular to a foot retracting device transforming mechanism of a biped robot. The foot retracting device transforming mechanism comprises two retracting mechanisms and two traveling mechanisms which are mounted on two feet of the robot. Each retracting mechanism comprises a fixing frame, a retraction driving motor and a retraction transmission device, wherein the fixing frame is connected with one foot of the robot, the retraction driving motor and the retraction transmission device are mounted on the fixing frame, and an output shaft of the retraction driving motor is connected with the retraction transmission device. Each traveling mechanism comprises a supporting frame, a traveling driving motor and a traveling wheel, wherein the supporting frame is connected with the corresponding retraction transmission device, the traveling driving motor and the traveling wheel are mounted on the supporting frame, and an output shaft of the traveling driving motor is connected with the traveling wheel. The foot retracting device transforming mechanism has the advantages that the motors drive a retracting device to control retraction of the traveling wheels, so that the biped robot can be transformed into a two-wheel balance robot in a specific environment, and motion superiority of the biped robot and the balance robot can be fully used.

The invention discloses a bias voltage full-automatic temperature compensation system for an APD array chip. The bias voltage full-automatic temperature compensation system comprises the APD array chip (101), a thermistor (108), an AD converter I (107), a matching resistor (110), an AD converter II (105), a microprocessor (102), a digital potentiometer (103), an output-adjustable high-voltage module (104), a buzzer (109) and a display module (106). The bias voltage full-automatic temperature compensation system has the advantages that the working temperature of the APD array chip can be obtained by detecting the resistance of the thermistor so as to obtain the needed optimal reverse bias voltage, then the digital potentiometer is used to change the output voltage of the output-adjustable high-voltage module to allow the APD array chip to obtain the reverse bias voltage matched with the current working temperature, and a reverse bias voltage full-automatic temperature compensation function of the APD array chip is achieved.

The invention discloses a motor decelerator test system. The motor decelerator test system comprises a tested motor decelerator, a loading motor decelerator, a first oil circuit, a second oil circuit, a third oil circuit, a fourth oil circuit and a first overflow valve, wherein a power shaft of the loading motor decelerator is connected with a power shaft of the tested motor decelerator in transmission mode, the first oil circuit is used as an oil inlet passage of the tested motor decelerator, the second oil circuit is used as an oil return passage of the tested motor decelerator, the third oil circuit is used as an oil recharging and feeding passage of the loading motor decelerator, the fourth oil circuit is used as an oil recharging and feeding passage of the loading motor decelerator and connected with the first oil circuit, and the first overflow valve is connected onto the third oil circuit and used to maintain pressure and flow rate of the third oil circuit. According to the motor decelerator test system, energy recovery efficiency of the system can be improved, and energy loss can be reduced. Furthermore, the motor decelerator test system facilitates increasing stability of running of the tested motor decelerator, and therefore can meet the needs of various tests.

A centrifugal oil soot filter is composed of a circular supporting frame consisting of internal skeleton, connecting ribs and external skeleton, N net filters fixed to said supporting frame, a shaft sleeve of motor and connected to said internal skeleton, and fixing screws. A cleaner with said centrifugal oil soot filter is composed of said filter and an oil barrier containing said filter. Its advantages are simple structure, and high effect.

The invention discloses a thermostatic faucet of an electric water heater. The thermostatic faucet comprises a faucet body, a thermostatic valve core for controlling temperature, a quick-open valve core for controlling flow and a three-way safety valve, wherein the safety valve is provided with a shunting end, a water inlet end communicated with a cold water pipe and a water outlet end communicated with the water inlet end of the electric water heater; the faucet body is in a three-way structure with a water passing cavity; the water passing cavity is provided with a mixed water outlet end, afirst water inlet end and a second water inlet end communicated with the water outlet end of the electric water heater; the shunting end of the safety valve is communicated with the first water inletend of the faucet body; the thermostatic valve core is installed at the second water inlet end of the faucet body; and the quick-open valve core is installed at the mixed water outlet end of the faucet body. The safety valve in the thermostatic faucet of the electric water heater has the practical functions of on-way current limiting, safe pressure release, three-way shunting, movably connection and the like, and has the advantages of few water outlet and leakage points, simple structure, simple pipeline and simple appearance connecting mode. Users do not need to buy an expensive thermostaticfaucet but buy the electric water heater with the thermostatic function to enjoy safe and comfortable thermostatic space.

The invention provides a wear-resistant skid-proof coating which consists of a skid-proof paint paste and a curing agent. The skid-proof paint paste is prepared by mixing titanium dioxide, carbon black, a lubricant, a thickener, an anti-settling agent, corundum, a toughening agent and hydroxyl acrylic resin together. During construction, the curing agent is added into the skid-proof paint paste, and the curing agent and the skid-proof pigment paste are mixed together. The wear-resistant skid-proof coating combines the advantages of chemical corrosion prevention and physical skid prevention and is convenient for mixed construction, the coating layer thickness can reach 3 to 5 mm, and the wear-resistant skid-proof coating is a thick paste type coating and has favorable skid-prevention, corrosion-prevention and wear-resistance performances. The wear-resistant skid-proof coating provided by the invention is widely applied to skid prevention and corrosion prevention of storage tank ladder stands, tank tops, slope passageways and the like, and plays a role in security protection.

The invention discloses a miniature terrain-simulating automatic differential height power walking machine, which comprises a power device, a safety clutch device and a differential height executing device, wherein the safety clutch device and the differential height executing device are respectively connected with the power device. The machine is characterized by also comprising a terrain-simulating differential height control device, wherein the terrain-simulating differential height control device is respectively connected with an engine and the safety clutch device; the terrain-simulating differential height control device is connected with a connecting rod power shaft of the differential height executing device through a worm gear which is arranged in the terrain-simulating differential height control device, the power is inputted for a connecting rod swinging beam structure and a slide rod sleeve tube limiting mechanism of the differential height executing device, and then the differential height of driving wheels at the two sides of the machine is realized. The machine has the advantages that the structure is simple, and the operation is easy and convenient; the tilting degree of a vehicle body can be automatically identified according to the concave-convex conditions of operation grounds, such as mountains and hills, and the relative heights of the driving wheels at the two sides are adjusted, so the body of the walking machine is stable, and the easiness in side tilting is avoided.

A process for refining the biphenol used for electrolyte of Li-ion battery includes dissolving the industrial biphenol in organic inertial solvent, adding sulfuric acid, reaction on impurities, separation, deacidifying, evaporating for crystallizing, vacuum rectifying, adding Li flakes and vacuum rectifying. Its advantages include high purity (more than 99.5%), low harmful impurities content (less than 100 ppm), and high over-charge resistance of Li-ion battery.

The invention provides an anti-electric-shock power socket safety device which comprises a touch induction metal plate, an induction signal detection circuit, a safeguard control circuit, an alternating current relay and a power circuit. The touch induction metal plate is fixed to the inner side of a power socket face plate and connected with the input end of the induction signal detection circuit, the output end of the induction signal detection circuit is connected with the safeguard control circuit, the safeguard control circuit controls the normally-closed electric shock of the alternating current relay to be opened and closed, and the power circuit provides a power source for the induction signal detection circuit and the safeguard control circuit. The anti-electric-shock power socket safety device can perform the safeguard function on use of a power socket, and meanwhile is high in reliability and simple in structure.