272results about How to "Improve uptime" patented technology

The invention relates to recycle and reuse technology of electronic castoff, in particular to a method and a device to remove the element and separate the welding material from the circuit board. The invention discloses the method and the device which separates and recycles the welding material and removes the elements on the circuit board with high efficiency. The technic proposal of the invention adopts the melting welding material as the heating medium and heats the welding pots on the welding surface of the circuit board; the welding material is separated from the circuit board by utilizing the special nozzle to spray high-temperature high-pressure gas; finally, the circuit board is turned over and vibrated, separating the element from the circuit board. The invention has the beneficial effects that the element is subject to small heat impact during the removal process, the element after removal has high intact rate and repeated ratio, and the new impurity is not brought in during the removal process. The invention has the advantages of complete separation of welding pot, high removal ratio of elements, low energy consumption, environment-friendship, etc.

A method and system for aggregating a plurality of parallel communications links transmitting data between adjacent nodes in a network is provided. The method simplifies network topology by replacing multiple parallel communications links between nodes in the network with a single aggregated link. The method advertises the available bandwidth of each aggregated link to the network, the available bandwidth being the maximum bandwidth available for any one of the parallel links in the aggregate. The method permits each aggregated link to select which of the parallel links in the aggregate is to be used to transfer data from one node to the other. Aggregating links can be automatic and based on one or more predetermined criteria, such as the service class supported by the parallel links.

The invention discloses a printing head for 3D printing. The printing head comprises a machine shell, a screw extruding system, an installation seat, barrels, valve needles and spray nozzles. A drive system is arranged at one end of the machine shell. The screw extruding system is arranged in the machine shell and is composed of at least two screws which are embedded internally and externally, and at least one screw is driven by the drive system. The installation seat is mounted below the screw extruding system. One or more inner holes are distributed in the installation seat in the axial direction, and a discharge outlet is formed in the top or the side face of each inner hole. The barrels are mounted in all the inner holes of the installation seat correspondingly, the barrels extend out from one end of the installation seat, and barrel feeding openings are formed in the top ends of the barrels. Valve cavities are formed in the barrels. The valve needles penetrate through all the valve cavities of the barrels to be mounted on the installation seat, and the gaps between the valve needles and the valve cavities form discharging channels communicating with the feeding openings of the barrels. The spray nozzles are arranged at the tail ends of all the barrels. The printing head for 3D printing is light in weight, small in size, capable of achieving high printing precision and printing speed, novel in design, high in practicability and high in economic value.

The present invention relates to a multi-core CPU system, in particular to a recovery method of a single-core exception for multi-core CPU systems. The technical problem to be solved by the present invention is to provide a recovery method of a single-core for multi-core CPU systems, which carries out recovery under the condition with no operation interrupt when some single core appears abnormal. In a exception processing program of the present invention, the own state is set to be abnormal first, then a single core in normal state is selected to assist recovery, and a system scheduling module is informed of the reassignment to system tasks, so as to ensure that the recovery work can be completed as soon as possible and the recovery time can be shortened. The present invention has the advantages that: the recovery method can effectively ensure that the operation of the system cannot be interrupted and the resources of the system cannot be lost before and after single-core exception and recovery; the abnormal single core can work normally after recovery, which prolongs the possible run time of the system and strengthens the reliability of the system.

The invention discloses a quantitative pump hydraulic control system of a work mechanism of an underground carrying scraper, comprising a steering oil pump, a steering multi-path valve, a work oil pump, a work multi-path valve and a pilot valve, wherein a plurality of control oil paths are arranged between the pilot valve and the work multi-path valve; an outlet oil path of the steering oil pump is connected with an inlet oil path of the steering multi-path valve; an outlet oil path in the middle path of the steering multi-path valve and an outlet oil path of the work oil pump are combined into an oil path which is connected with an inlet oil path of the work multi-path valve; and a pressure-relief bypass is arranged on the outlet oil path in the middle path of the steering multi-path valve or the outlet oil path of the work oil pump and is provided with a hydraulic control two-position and two-way valve, so that the work mechanism of the underground carrying scraper can automatically select a single-pump oil supply state or a dual-pump oil supply state according to the operation requirement. In addition, the energy utilization rate of the quantitative pump hydraulic control system of the underground carrying scraper can be improved and the equipment availability of the underground carrying scraper can be improved.

The invention relates to a fire-fighting early-warning monitoring and intelligent management system based on an internet. The system integrates functions of eight kinds of software, comprising telephone networking early-warning software, wire video monitoring early-warning software, wireless video monitoring early-warning software, mobile video monitoring early-warning software, satellite video monitoring early-warning software, video on demand software, video session software, live video software, and the like, and the functions can be used independently or integratedly by users. The system can perform large-area networking management on fire alarm systems in buildings, and can realize effective monitoring and quick alarm. The system guarantees the normal operation of the fire alarm systems and fire safety facilities, improves the reliability of the fire alarm systems, and reduces the rate of false alarm. Moreover, through the equipment operating data and alarm information of the fire early-warning monitoring intelligent alarm system based on the internet, the developing process of intelligence and networking of city fire management is accelerated, and thus, the integral technology level and the comprehensive capability of fire prevention and reduction are enhanced.

The invention discloses a vacuum system, which comprises a first cavity, a second cavity, a first vacuum pump, a second vacuum pump and a control device, wherein the first vacuum pump is connected with the first cavity for carrying out vacuum pumping on the first cavity in a normal working state; the second vacuum pump is connected with the second cavity for carrying out vacuum pumping on the second cavity in a normal working state, and the first cavity is further connected with the second vacuum pump; and the control device is used for using the second vacuum pump to carry out vacuum pumping on the first cavity and the second cavity at the same time in a state in which the first pump vacuum stops abnormally. Through the above mode, the first cavity of the vacuum system does not stop as the first vacuum pump stops abnormally, during the repair process of the first vacuum pump, continuous production is carried out through operation of the second vacuum pump, the operation time of the system is improved, and the productivity is enhanced.

The invention relates to an in-situ testing system for a flight control system loading mechanism. The system comprises a portable ruggedized computer and a testing device. The testing device comprises a control lever and a joystick clamp. A force sensor is connected between the control lever and the joystick clamp, an angle sensor is arranged on the joystick clamp, and the force sensor and the angle sensor are electrically connected with a programmable communication interface (PCI) data acquisition card inserted into the fuse ruggedized computer respectively. The in-situ testing system is simple in structure, small in size, convenient to operate and capable of achieving a real-time, fast, correct, reliable and safe test for joystick force and joystick displacement, can generate a joystick force-joystick displacement characteristic ccurve automatically through testing software and achieves performance judgment for the loading mechanism, and the problem that the loading mechanism cannot be detected in in-situ mode due to the fact that an aeronautical maintenance support department is short of detecting devices is solved.

A traffic engineering equipment parking areas over the roadway alongside stacker interval for handling delivery barrel road store parking equipment, includes : steel-storage, parking, child care up roller wheels, roadway, run stacker, vehicle handling devices, delivery vehicles; roadway with a number of storage-type steel parallel staggered side-by-side arrangement, all of the roadway or the bottom of the top set up run-steel storage in the adjacent roadway between the two, its every vertical layer along the roadway to set up a number of parking areas, each parking zone on the wheel set up child care can be entrusted Raceway up a car, each roadway with a vertical stacker can be mobile, stacker removal vehicles are equipped with lifting devices can be mobile, all the vehicles moving on the same set of wheels asked Raceway up and there can be a two-way horizontal left-to-right move to enter into the parking vehicles delivery agencies for access to super vehicle operations. This present invention vehicles are large space, covers little fields, structure is simple and cost is low, operates high efficiency and reliable.

The present invention relates to a hand ladle cleaning method and its cleaning machine unit. It is formed from the following several structures: tilting mechanism capable of fixing hand ladle, driving hand ladle and making it be tilted, reset and rotated; cleaning cutting-tool for cleaning hand ladle; and cutting-tool control mechanism for controlling cutting-tool and making it be rotated, forward fed, backwards retracted and horizontally moved.

The invention relates to the field of fault detection in a distribution network and discloses an automatic detection system and detection method of a fault indicator of a distribution network so thata technical problem that the exiting fault indicator cannot carry out automatic detection can be solved. The detection system is composed of a program-controlled boosting and current-increasing instrument, a fault indicator verification platform, and a testing host. The program-controlled boosting and current-increasing instrument is used for receiving a detection instruction, generating a fault amount, loading the fault amount to a line detected by the fault indicator, and returning the fault amount to the testing host. The fault indicator verification platform is used for receiving current and fault alarming signal information fed back by a collection unit of the fault indicator and uploading the information to the testing host. The testing host is used for issuing a detection instruction to the program-controlled boosting and current-increasing instrument, receiving and recording the fault amount returned by the program-controlled boosting and current-increasing instrument, comparing the fault amount returned by the program-controlled boosting and current-increasing instrument with information fed back by the collection unit of the fault indicator after execution of the fault indicator, determining whether the two pieces of information is consistent, if so, determining the successful detection of the fault indicator, and if not, determining a failure.

The invention relates to a fault early warning method of random power supply access equipment. The method comprises the following steps: 1, obtaining equipment state information, alarm information and maintenance record information in real time; 2, according to the equipment state information and the maintenance record information, calculating the expected service life of the equipment, a relational degree between alarms and faults, a relational degree between application frequency and the faults and a relational degree between the application frequency and the alarms, and accordingly, calculating a fault generation probability; and 3, determining whether the equipment expected life is smaller than and equal to zero, if so, emitting alarm signals for replacement of the equipment as early as possible, otherwise, determining whether the fault generation probability is greater than a preset value, and if so, carrying out early warning and pushing geological position information of the equipment and the types of possible faults to maintenance personnel. According to the invention, the types of the possible faults of the equipment and the fault probability are pushed timely, and maintenance is carried out before the faults are probably generated, such that the normal operation time of a random power supply is prolonged, and construction of the random power supply is further facilitated.

The invention relates to a pearlite ceramsite composite acoustic board, which is characterized in that pearlite is used as a surface course of an acoustic material, and ceramsite concrete is used as a base course; and by utilizing ambient pressure, two materials are connected into a whole through the bonding force of the concrete and snap-in force among nonuniform transitional surfaces. The product can be applied in paste surfaces of integral type acoustic barriers by utilizing a mounting hole and a mounting surface which are reserved on a light-weight monolithic composite acoustic board according to requirements of site operation and strip plate-type acoustic barriers with the length from 2 to 6 meters are formed by secondary cast-in-place and prefabrication, so that the acoustic barriers are fixed in structural members.

A detachable mold used for adhesion test of PVA fiber bundles and cement-based material includes: a bottom plate, side plates (2), two end plates (3), an outer threaded rod (4) and a large separationboard (6), wherein the side plates (2), end plates (3) and large separation board (6) are disposed on the bottom plate (1). The side plates are arranged in parallel, wherein the two end plates (3) arerespectively arranged at two ends of the side plates to form a groove structure with the side plates. The large separation board (6) is located in the groove structure. At the same height, holes arereserved in the large separation board (6) and the end plates for enabling the fiber bundles to pass through, sizes of the holes being equal. The mold allows a test piece to be detached conveniently,can increase the completeness of the shaped test piece and guarantees precision of a prefabricated seam, so that test data is more actual and reliable. The mold has simple structure and can improve test piece shaping efficiency.

The invention discloses a full-automatic air-blowing waste cigarette processing unit. A cigarette accelerating mechanism is connected with the tail end of a waste cigarette sorting machine; a cigarette arrangement mechanism is connected with the cigarette accelerating mechanism and is placed perpendicular to the cigarette accelerating mechanism; a first climbing mechanism is connected with the right side of the cigarette accelerating mechanism through a guide plate; a waste cigarette sequencing mechanism is connected with the first climbing mechanism through a connecting mechanism; a waste cigarette reversing mechanism is connected with the waste cigarette sequencing mechanism through a guide sliding plate; a second climbing mechanism is connected with the waste cigarette reversing mechanism through an arc-shaped guide plate; a waste cigarette tobacco recovering mechanism is connected with the second climbing mechanism through a connecting cigarette warehouse. The full-automatic air-blowing waste cigarette processing unit has the advantages that firstly, the sorting, the separating, the arranging, the conveying and the sequencing of complete waste cigarettes and the recovering of tobacco are all automated, the labor intensity of workers is greatly reduced, and the production efficiency and the economic benefits of enterprises are improved; secondly, the full process adopts an automatic way, the recovered tobacco has high perfectness rate, the waste rate of the tobacco during recovering and processing processes is low, the tobacco is not downgraded, and the utilization rate is high.

The invention discloses a composite biological filler for promoting rapid start-up and stable operation of anaerobic ammonium oxidation and a preparation method and application thereof, and belongs tothe field of water treatment. According to the biological filler, polyurethane foams, activated carbon and iron dust which are connected through a crosslinking agent are included, and the biologicalfiller is prepared by a method in which the activated carbon and the iron dust are added directly during the foaming process when the polyurethane foams are prepared. By means of the method, the activated carbon and the iron dust are firmly connected with the surfaces of the polyurethane foams, and the start-up efficiency of anaerobic ammonium oxidation can be effectively improved by applying thefiller to a UASB reactor.

The invention discloses a storage technique for bletilla seed tubers, which comprises the following steps of: paving moist mixed mud on the surface of a compartment in a sterilized storage, placing bletilla tubers serving as seeds on the mixed mud, then covering the mixed mud, covering the mixed mud by using a moist woollen blanket or straw cushion, and keeping the humidity and the temperature in the storage. The technique can improve the perfectness of the bletilla seed tubers, and can also improve the seedling emergence speed and the seedling emergence rate of the bletilla seed tubers so as to obtain high economic benefit.

The invention provides a preparation method of a pure natural dried osmanthus. The preparation method comprises the following steps: (1) harvesting fresh osmanthus; (2) room temperature tedding: air drying dew and water on the surfaces of the fresh osmanthus in a cold, ventilated, room-temperature and aseptic condition, and removing impurities; (3) ultra low temperature quick-freezing storage: placing the osmanthus which have been processed in the step (2), into low-temperature freezing food containers in an aseptic condition, and placing the containers into a freezer with a temperature in the range of -22 DEG C to -18 DEG C; (4) low-temperature vacuum drying: drying the osmanthus by sublimation technology in the vacuum condition with the negative pressure of -0.04 to -0.06 MPa and the temperature of 10-30 DEG C until the water content of the osmanthus is less than or equal to 5%; (5) medium-temperature baking: placing the processed osmanthus into a drying device at 40-50 DEG C, heating and turning over until the water content is less than 3%, so as to prepare the pure natural dried osmanthus. The invention also discloses the pure natural dried osmanthus which is prepared by the above preparation method. The invention especially solves the problems such as fresh flower discoloration and capacity restriction.

A pneumatic control unit of an excrement collecting system for a bullet train is mounted in a position close to the excrement collecting system, and comprises a mounting board, wherein a stop valve, a main filter pressure reducing valve, an adjusting valve A, an electromagnetic valve A, a transfer box pressure detection switch, a pressure regulating valve B, a transfer box pipeline valve control electromagnetic valve, a pressure detection switch B, an electromagnetic valve B and a non-return valve are mounted on the mounting board, and the stop valve, the main filter pressure reducing valve, the electromagnetic valve A, the electromagnetic valve B, the pressure detection switch B, the pressure detection switch B, a transfer box pipeline valve control electromagnetic valve set and a vacuum-pumping electromagnetic valve are controlled by an excrement collecting controller; after passing through the stop valve and the main filter pressure reducing valve through an air inlet, compressed gas is divided into four branches for supplying to all gas using units. According to the invention, a control unit is integrally mounted on a mounting board, the structure is compact, the occupied area is small, and the repair and maintenance are convenient.

The invention discloses an expanding screen mobile telephone with the solar power function. The inside of the mobile telephone comprises a battery and a controller. The mobile telephone is provided with an expanding screen interface to connect an external expanding screen. The expanding screen is provided with a solar rechargeable battery inside. A voltage output terminal of the solar rechargeable battery is connected with a power supply terminal of an internal circuit of the expanding screen through a switch circuit on the one hand and is connected with a power supply terminal of an internal circuit of the mobile telephone through the expanding screen interface on the other hand; the on-off state of the switch circuit is controlled by an on-off control signal generated by the controller. When the mobile telephone is in low battery because the user uses the expanding screen to browse the video information, the solar rechargeable battery supplies the working power to both the mobile telephone and the expanding screen so as to keep the normal operation of the mobile telephone, thereby effectively prolonging the running time of the mobile telephone which is switched and solving the problems of the short running time of the mobile telephone caused by the great electric power consumption and the inconvenient charge when the user goes out.

The invention provides a portable universal detector for an automatic fire extinguishing and explosion suppression device. The portable universal detector comprises a display control unit, a detectionunit, test cables, a power cable and a communication cable. The display control unit is connected with the detection unit through the communication cable, and the detection unit is connected with anautomatic fire extinguishing and explosion suppression device control box and an automatic fire extinguishing and explosion suppression device leading-out wire on a tested vehicle through the test cables; and two ends of the power cable are correspondingly connected with the detection unit and a direct-current power supply in the detected vehicle. According to the portable universal detector, excitation signals of the control box can be formed, measurement of all paths of signals of the automatic fire extinguishing and explosion suppression device system and analysis of the detection content are achieved, the in-situ detection requirement of the whole system of the automatic fire extinguishing and explosion suppression device can be met, the test result can be directly displayed, a test guide prompt can be provided, meanwhile, the detection result is intelligently judged, the practicability is good, the portable universal detector can adapt to different automatic fire extinguishing andexplosion suppression devices, and the universality is high.