253 results about "Scram" patented technology

The invention provides a rapid nondestructive lemon and fruit maturity testing device and a testing system establishment method. The testing system comprises a framework, an image acquisition chamber, an imaging spectrometer, a mobile bracket, a conveyor belt, a feed device, a grading device, a control box, a keyboard, a display, a scram button and a controller cable, wherein the image acquisition chamber is arranged above the conveyor belt in the framework and is internally provided with a halogen lamp, a deuterium lamp and a limit sensor; the mobile bracket is movably connected onto an upright of the framework and can be vertically adjusted along the uptight; and the imaging spectrometer is fixed on a cross beam of the mobile bracket. The system and the establishment method can rapidly test the maturity of lemons and fruits, so that classified processing of the lemons and fruits can be conducted, the production efficiency and the fruit quality are improved, and the income is increased.

An actuator performance tester comprises a measurement and control console and an electric loading platform, which are connected through cables; the measurement and control console comprises a display, a printer, a signal conditioning case, an industrial personal computer, a program-controlled current source case, a power distribution case, a scram control box, a mouse and keyboard suite, a lower computer case and a rack; the electric loading platform comprises a position encoder, a flexible connecting plate, two bearing caps, two swivel bearings, two shaft system supports, a rocker, a transmission shaft, a torque/rotational speed sensor, a motor support, a torque motor, a bed, two couplings and a fixture. The actuator performance tester can carry out static and dynamic performance tests on a universal gas actuator in order to obtain the performance of the actuator in real time, and can store and manage performance data.

The invention belongs to the field of photoelectric servo control and particularly discloses a servo control method for a vehicular moving-base photoelectric-search tracking turntable. The method includes the steps of inertial space search control for the photoelectric-search tracking turntable, namely acquiring motional new DA-port (digital/analog port) search voltage controlled volume of a control motor so as to allow a drive motor to drive the turntable to search; scram control for the photoelectric-search tracking turntable, namely acquiring motional DA-port scram voltage controlled volume of the control motor so as to allow the drive motor to drive the turntable to scram; and tracking control for the photoelectric-search tracking turntable, namely acquiring motional DA-port tracking voltage controlled volume of the control motor so as to allow the drive motor to drive the turntable to track. By the method, functional requirements of the moving-base photoelectric turntable for decoupling control can be met, the requirement of the turntable for high-precision tracking and positioning control can be met, and stable high-speed searching performance and search scramming and tracking performance of the turntable in inertial space can also be guaranteed.

A working-face automated integrated control system for thin seam drum shearers comprises a working-face central control system (4), an electrohydraulic support control system (5), a working-face video monitoring system (6), a working-face voice communication and scram control system (7), a whole-set conveyer equipment monitoring system (8), a shearer memory cutting and remote control system (9) and a ground control center (10), and electrohydraulic control system controllers (5-1) and cameras (6-1) are mounted on hydraulic supports. The working-face central control system (4) utilizes a data coupler to convert the data formats of the different control systems into a format in order to carry out unified control, and carries out two-way real-time data communication between a working face shearer, the hydraulic supports and a scraper conveyer, the cameras (6-1) carry out tracking rotation and automatic switching according to the working parameters sent by the shearer memory cutting and remote control system (9), meanwhile, the working-face video monitoring system (6) is utilized to adjust the foci and vertical and horizontal rotation of the cameras (6-1), and thereby the dead corner-less monitoring of the working face is realized.

The invention discloses a modularized hydraulic mechanical arm experimental platform and method based on interaction of virtual and reality. An upper computer main control system, a motion control system and a hydraulic servo control experimental platform are included, and the upper computer main control system is used for controlling the motion control system mounted on the hydraulic servo control experimental platform. The motion control system provides the safety precautions such as manual scram protection and limiting trigger protection and comprises a work state indication and fault alarm system. In addition, a main control software system further has a software scram function and a mechanical arm initialization function.

The invention discloses a device for testing on-off performance of a direct current breaker, and relates to the technical field of direct current breaker on-off performance testing. The device is provided with an upper supervisor, and the upper supervisor is in communicating connection with a direct current breaker on-off performance testing module through RS485. The direct current breaker on-off performance testing module is composed of a data collecting unit, a controlling and adjusting unit and a test power module. The data collecting unit comprises a shunt, a storage recorder, a microprocessor, a keyboard and a display device. The controlling and adjusting unit comprises a remote control relay, a time relay, a scram button, a direct current contactor, parallel resistors R1...Rn, IGBT tubes K1...Kn and an optocoupler. The test power module comprises an AC/DC rectifying module and a super capacitor. The device has the advantages that 1-1000A large constant currents can be provided, the tripping time of the breaker under different short-circuit currents can be tested, the potential hazards that in a direct current system, the dispersion and the internal resistance of the direct current system breaker are inconsistent, and stage difference coordination is not reasonable can be timely found, and operation resistance and misoperation possibly existing in the direct current breaker are effectively avoided.

The invention discloses a control system for a three-dimensional parking garage. The control system comprises a PLC, wherein the input end of the PLC is connected with a scram button, a travel switch and an optoelectronic switch; the output end of the PLC is connected with a driver and an audible and visual alarm; a lifting and traverse moving motor is further connected with the driver, and mounted on each parking space; the PLC is further connected with a human-computer interface which is connected with a recognition system. The control system provided by the invention is stable in operation and high in reliability, and adopts a remote control technology and an automatic recognition system; when a car is parked safely, the parking garage can park the car at an appropriate position automatically, and unmanned operation can be realized; the management of the whole parking garage can be brought into a building automatic system, and network is accessed, so that a comprehensive computer management grid information system is formed, and unmanned management of the three-dimensional parking garage can be realized.

The present invention discloses a reactor circuit breaker screen and a scram control method thereof. The reactor circuit breaker screen mainly comprises 8 circuit breakers divided into four pairs according to control signals, wherein RPA100JA and RPA101JA are adopted as a pair, RPA200JA and RPA201JA are adopted as a pair, RPB100JA and RPB101JA are adopted as a pair, and RPB200JA and RPB201JA are adopted as a pair. According to the present invention, 4 pairs of the circuit breakers are adopted, only if at least two pairs of the circuit breakers are concurrently disconnected, the reactor shutdown can take place, such that the probability of shutdown faults are substantially reduced, and the system availability is improved; operators are not required to operate on the spot; during a periodic test, a periodic test of one pair of the circuit breakers can be completed by only operating corresponding test buttons in a control room, such that the operation is convenient; and control circuits of 4 pairs of the circuit breakers are the completely same, such that operation and maintenance are convenient.

A novel heat exchanger (FIG. 1) designed and fabricated based on dry ice-ethylene glycol (DIEG) bath 1 as the coolant mixture for the emergency core cooling system (ECCS) of the nuclear power systems to avoid core meltdown during the normal reactor shutdown or reactor scram in the emergency conditions.

This method is proposed to upgrade the safety systems including modified ECCS which utilizes fast non-water coolant emergency system by fast cooling of reactor pressure vessel (RPV) 31 based on dry ice+ethylene glycol slurry 1.

The invention discloses a molecular sieve filling machine. The molecular sieve filling machine comprises a molecule bin, a fixing support, a receiving barrel, a vibrating table and an electrical control box, wherein the molecule bin is fixedly arranged on a transverse rod of the fixing support, the vibrating table is arranged below the molecule bin, a vibration motor is arranged in the vibrating table, the electrical control box is electrically connected with the vibration motor, a pressure sensor is arranged on the surface, making contact with the receiving barrel, of the vibrating table, the pressure sensor is electrically connected with the electrical control box, and an electric leakage detection circuit, an overload protection circuit, an overcurrent protection circuit and a scram protection circuit are arranged in the electrical control box. Compared with the prior art, filling of vibrating molecular sieves is achieved, and particles of the molecular sieves are prevented from splitting; meanwhile, a discharging electrical sluice valve is automatically controlled, and the molecular sieve filling machine is practical and convenient to use.

The invention discloses an operation safety control system of a crane; the control system comprises a power supply, a get-off control unit and a get-on control unit; the power supply is connected with a power supply input end of an engine electronic control unit by a first power supply circuit, and is connected with a flameout signal input end and a get-on controller of the engine electronic control unit by a second power supply circuit; and the get-on control unit comprises a scram switch and a scram control device. The scram control device controls the on-off of the first and the second power supply circuits according to a scram gear or a restore gear on which the scram switch is located. Therefore, when an emergency situation happens in the get-on operation process of the crane, an operator can cut off the power supply of the engine ECU (electronic control unit) by using the scram control device, to enable the engine to be flamed-out, thereby effectively and completely cutting off the power system in time, and ensuring the safety of people, apparatuses and surrounding operation environments. On the above basis, the invention further provides an operation safety control method of the crane and the crane having the above control system.

The invention provides a scram control circuit, and a scram way comprises a remote control scram and a close control scram. The scram control circuit comprises a power supply; a receiver, which is used to receive remote control scram signals transmitted by a transmitter of a remote controller; a close control scram trigger element, which is used for receiving close control scram trigger signals; a selective switch, which is used to select the scram ways after receiving operation instructions; a changing switch, which is used to control the power supply state of the power supply used as the receiver according to the scram way selected by the selective switch, and is used to switch the transmission lines of the remote control scram signals and the close control scram trigger signals according to the scram way; and a controller, which is used for the scram control according to the remote control scram signals or the close-control scram trigger signals. The scram control circuit is advantageous in that the occupied input ends of the controller are less, the later function extension can be facilitated, the electric energy waste of the receiver of the remote controller can be reduced, and the scram signals can be easily controlled in an integrated manner. The invention also provides a pumper having the control circuit, and a scram control method.

The invention discloses a cock saw which comprises a main body, an electric motor inside main body, a switch triggering bar on the main body and a handle, wherein the handle is an independent device which can be detached by operator and contains a handle switch triggering bar; when the said handle is fixed on the main body, the switch triggering bar of main body is on the scram position so that it must use handle switch triggering bar to open or close the cock saw.

The invention discloses a longitudinal transfer wheel assembling machine relating to the technical field of automobile part machining. The longitudinal transfer wheel assembling machine comprises a platform, a push rod, a travel switch, a scram switch and a scram switch lever, wherein one end of the platform is provided with the push rod, and the travel switch is arranged in the middle of the other end of the platform; the end, close to the push rod, of the platform is also provided with the scram switch; and the scram switch lever is also arranged between the travel switch and the scram switch. By using the longitudinal transfer wheel assembling machine, the push rod can stop working at any time and return to the initial position, so that the work efficiency of workers is greatly increased, and the scrap rate of machined workpieces is also greatly reduced.

The invention discloses manufacturing equipment for electronic products. The manufacturing equipment for the electronic products structurally comprises a control panel, a base, a movable working table, a needle cleaning device, an adhesive dispensing head, a movable track, a lifting device, stand columns and a scram button, wherein the control panel is arranged in front of the base; the scram button is arranged on the control panel; the movable working table is arranged on the base; the stand columns are connected to two sides of the base; two ends of the movable track are connected with the top ends of the stand columns; the lifting device is arranged on the movable track; the adhesive dispensing head is arranged on the lifting device; and the needle cleaning device is connected to the side surface of the adhesive dispensing head. The manufacturing equipment for the electronic products provided by the invention has the beneficial effects that a solidified adhesive in a needle hole canbe scraped through a fine screw rod, the adhesive on the screw rod can be cleaned through a matched groove, and the solidified adhesive in the needle hole can be cleaned, so that the needle hole canbe prevented from being blocked, the equipment has no need to be shut down for replacing the needle hole, and the working efficiency is improved; and the scram button can be prevented from being mis-touched, so that the working safety is improved.

The invention discloses a scram button switch which comprises a shell body and a locking device, wherein an operating part is arranged inside the shell body. One end of the operating part is connected with a button, and a reset spring is arranged between the button and the shell body. The other end of the operating part controls contact or non-contact of a dynamic contact and a static contact in a base so as to achieve opening and closing of a circuit. The locking device is arranged between the operating part and the shell body. The locking device is composed of a clamping groove, a locking part and an elastic part, wherein the clamping groove is formed in the shell body, and the locking part and the elastic part are arranged in a horizontal groove of the operating part. The locking part is a long-strip-shaped part, one end of the locking part is a working end, and the working end is adapted to being clamped in the clamping groove under the function of the elastic part and locks the operating part. Under the function of traction/rotation of the button, the locking part quits from the clamping groove and unlocks the operating part. Both ends of the locking part are working ends and arc surfaces. When one end of the locking part is matched with the clamping groove, the one end is suitable for being contacted with the upper end face of the clamping groove. The other end of the locking part is suitable for being contacted with an edge point of the clamping groove. The scram button switch solves the technical problems of complex structure and multiple accessories.

The invention is a kind of low-power consumption high-speed cache which is controlled by the improved sequence. The load operation sequence adopts that it reads each tag sarum but does not read the data sram, after that the result of tag comparator is reads the selected data scram (when cache is selected) or does not read any data sram (when cache is useless). The circuit of the invention is madeup of tag sram, data sram, tag comparator, data output multiplexer and drive circuit. The power consumption of the cache is low than conventional cache.

The invention discloses a device for determining water tightness, which is characterized by comprising a location plate, a detection station backing plate, a stand column, a cylinder, a worktable, a sealing gasket hole, two startup control buttons, a scram button, a baffle, a water circulation conduit and a power supply system. The device has the advantages that as for the device, only 5 minutes are spent in generating primary experimental phenomenon, thus improving the frequency for detecting the tightness at the incision of an outer cover pull ring in the production process of the polypropylene combined cover for a plastic transfusion container, having wide quality monitor coverage area and ensuring finished product quality preferably; the device is controlled by a power supply and is driven by compressed air, and water is used for forming a sealing system which can be recycled, thus saving energy, and having no pollution and low detection cost; the device can be started as long as the two startup control buttons are pressed down at the same time; and the scram button is arranged in the device to ensure the safety of an operator.

A control rod drive mechanism (CRDM) configured to latch onto the lifting rod of a control rod assembly and including separate latch engagement and latch holding mechanisms. A CRDM configured to latch onto the lifting rod of a control rod assembly and including a four-bar linkage closing the latch, wherein the four-bar linkage biases the latch closed under force of gravity.

The invention relates to a multi-rotor smoke-type plant protection drone, which belongs to the field of agricultural plant protection drones. It mainly includes a center plate, an arm and a tripod; an arm is installed around the center plate, one end of the arm is installed on the center plate through a connecting piece, and the other end is provided with a motor base and a propeller. There is a motor that can drive the propeller; a battery and a GPS antenna are arranged on the upper surface of the center plate, and the battery supplies power to the motor at the end of the machine arm; a fog machine system is provided on the tripod, and the fog machine The system includes carburetor, chimney, fuel tank and medicine box. The carburetor is provided with start button, emergency stop button and oil suction button; the chimney is installed on the carburetor, and the fuel tank is connected to the carburetor through the oil pipe The oil inlet on the carburetor is connected, and the drug box is connected with the drug inlet on the carburetor through the drug pipe. The beneficial effects of the invention are: good plant protection operation effect, solving the problem of fruit tree plant protection; saving water and medicine, and good environmental protection benefits.

The invention discloses a multi-stage centrifugal compressor constant pressure control device based on a PLC. The multi-stage centrifugal compressor constant pressure control device based on the PLC comprises the PLC. The PLC is respectively connected with a touch display screen, a first AI module, a second AI module, a DI module, a DO module and an AO module through signal lines. The first AI module is connected with a vibration meter, an inlet-outlet water temperature sensor and a motor ampere meter. The second AI module is connected with an inlet-outlet pressure sensor, a lubrication oil pressure sensor and a lubricating oil temperature sensor. The DI module is connected with a filter pressure difference switch, an oil pump overload controller, a compressor outlet valve feedback device, a main motor soft-start control cabinet and a scram button. The DO module is connected with a compressor outlet valve, a lubricating oil system and an outlet guide vane controller. The AO module is connected with a compressor outlet emptying regulating valve and a guide vane rotating speed regulating device. The multi-stage centrifugal compressor constant pressure control device based on the PLC achieves constant-pressure control over a multi-stage centrifugal compressor system, ensures energy-saving operation of a high-power compressor unit and can greatly reduce early investment.

The present invention relates to a resin material-based man-made skiing blanket, compared with the prior art, the resin material-based man-made skiing blanket adopts a crystal snow technology in which, irregular round poly(ethylene) particles are adopted, a grass cluster is used as a support, and crystal snow particles are paved on the grass cluster by the thickness of 2cm to achieve the aim of simulation of real snow; in the crystal snow technology, the round particles can well protect a slider; the high biofidelity can promote the slider to finish skilled actions of scram and rotation.

The invention discloses a charging pile with a vending function. The charging pile with the vending function comprises an electric automobile charging system and a vending system, wherein the electricautomobile charging system mainly comprises a case, a man-machine interactive touch screen, a charging indicator lamp, a scram button, a card swiping device, a metering electric meter, a charging gun, a charging module and a charging control module, wherein the man-machine interactive touch screen, the charging indicator lamp, the scram button, the card swiping device, the metering electric meter, the charging gun and the charging module are separately connected with the charging control module. The vending system comprises a goods displaying window, a delivery module, a goods cabinet, a goods selling opening, a payment module, a goods key module and a vending control module, the goods key module is provided with a display screen, the goods cabinet is arranged in the goods displaying window, and the payment module is connected with the vending control module. The charging pile with the vending function has the advantages that the charging pile with the vending function not only can charge an electric automobile, but also can sell goods so as to implement diversification of profits.