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

Aerating system of anesthesia apparatus and respirator and pressure monitoring method

ActiveCN101337101AAvoid interferenceStable and reliable pressure monitoringRespiratorsFluid pressure controlEmergency medicineFeedback control
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.
Owner:SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD

Stripping device for integrated circuit (IC) chip

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.
Owner:HUAZHONG UNIV OF SCI & TECH

Cleaning and disinfection apparatus

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.
Owner:BEIJING YADU ENVIRONMENTAL PROTECTION TECH

Pressure-maintaining and regulating hydraulic control system of roll balance gear

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.
Owner:TAIYUAN HEAVY IND

Mobile robot being applicable to large span transmission line routing inspection

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.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI +2

Temperature controller and temperature control method of power battery of electric car

InactiveCN103078156AAvoid temperature measurement limitationsImprove sensitivity and accuracySecondary cellsElectrical batteryElectricity
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.
Owner:SHENZHEN GREENWHEEL ELECTRIC VEHICLE CO LTD

Arrangement type for electric control high-pressure common rail systems on marine high-speed high-power diesel engines

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.
Owner:HENAN DIESEL ENGINE IND

Control method of high-pressure common rail system pressure-limiting valve

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.
Owner:NANYUE FUEL INJECTION SYST CO LTD

Foot retracting device transforming mechanism of biped robot

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.
Owner:GEER TECH CO LTD

Thermostatic faucet of electric water heater

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.
Owner:BENCO ELECTRICAL APPLIANCES

Miniature terrain-simulating automatic differential height power walking machine

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.
Owner:GUANGXI NORMAL UNIV
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