124results about How to "Generic good" patented technology

The invention discloses a system for remotely monitoring and controlling an internet of things on the basis of a GPRS (General Packet Radio Service) network, relating to a monitoring system. A center server with coexistence of two modes such as B/S and C/S is adopted for carrying out data conversion with monitoring terminal equipment and a monitoring center client side by a TCP/IP (Transmission Control Protocol/Internet Protocol) mode so as to realize distributed remote monitoring and controlling. In the system, the operation does not need to create a local area network by self, so that the network creating cost is saved and the reliability is high; and the equipment is general and simple, the cost is low, the one-time investment is less, the use cost is low, the installation and maintenance are convenient, and the operation is safe, no limitation can be caused by the terrain, the landform and the environment, and even no pollution can be caused. The system can be widely applicable to streetlamps, railways, gas, running water, power, environment, petroleum and machines and the like. The system has the advantages of high network access speed, advanced technology, safety, reliability, economy, reasonability, energy conservation, simpleness and convenience in maintenance and strong practicability, and conforms to the trend for development of the conservation-minded society.

The invention discloses a double-layer pore plate type gas distributor easy to assemble. The double-layer pore plate type gas distributor easy to assemble comprises a gas guiding column, a distributor base, a first-layer pore plate, a second-layer pore plate, an outer baffle, an inner baffle and a fixing column. The gas guiding column, the distributor base, the outer baffle and the inner baffle are all hollow cylinders, the first-layer pore plate and the second-layer pore plate are both hollow circular plates, and the fixing column is a cylinder. One end of the distributor base is provided with holes for installation of the gas guiding column and the fixing column, the other end of the distributor base is provided with grooves for installation of the first-layer pore plate and the second-layer pore plate, and the first-layer pore plate and the second-layer pore plate are both provided with small holes for homogenizing gas. The outer baffle is fixedly connected with the outer side of the second-layer pore plate, the inner baffle is fixedly connected with the inner side of the second-layer pore plate, and the outer baffle and the inner baffle are further fixedly connected with the other end of the distributor base. Through the cooperation of the distributor base, the outer baffle and the inner baffle, the number of weld joints of the gas distributor is reduced, and the problem that a traditional gas distributor has multiple weld joints is solved.

The invention discloses a remote monitoring system of a communication base station generator and a method thereof. The system comprises: a scheduling server, a data server, a WEB server and several mobile generators. The each generator is provided with an intelligent monitoring apparatus. The intelligent monitoring apparatuses are connected with the scheduling server through a network. The intelligent monitoring apparatus comprises a GSM module. The GSM module is connected with the an electric energy sampling module, a temperature and humidity module, a SIM card module, a cell and power supply module and a GPS module. The electric energy sampling module is connected with a voltage sensor and a current sensor which are arranged on the generator. According to the invention, communication base station generator scheduling, management, cost statistics operation, accurate GPS positioning, oil consumption calculating, electric energy sampling and temperature and humidity detection are integrated. The intelligent monitoring device is general and simple. Functions are strong. Cost is low. Installation, usage operation and maintenance management are convenient. The system and the method provide support for monitoring, scheduling and operation cost management of the communication base station generator.

The invention discloses an automobile long-distance information system. The system comprises a vehicular terminal, a wireless network and a monitoring center. The vehicular terminal is connected with the monitoring center through the wireless network, and the vehicular terminal is composed of a power module, a display interface, a 4G (fourth-generation) module, a main control chip, an original vehicle communication bus, and external sensor universal interfaces. The wireless network comprises a base station. The monitoring center comprises a server, an identity authentication module, and a client-side. A vehicle power supply is connected with the main control chip through the power module. The main control chip is in one-way communication with the display interface through a communication interface, is in both-way communication with the 4G module through the communication interface, is in one-way communication with the original vehicle communication bus through a CAN (controller area network) interface, and is in both-way communication with the external sensor universal interfaces through external interfaces. The vehicle terminal is in wireless data connection with the base station through the 4G module. The base station is in wireless data connection with the server.

The invention discloses a turbine engine using compressed air as a working energy. The turbine engine comprises a gas source system, a controlling system, a working system and a lubricating system, as well as a gas distributing mechanism, a transmission mechanism and an auxiliary mechanism, wherein the gas source system is supplied with a gas source by an air compressor and/or a compressed air storage container and is connected in series by pipelines; the control system is arranged between the gas source system and the working system and comprises an electronic monitoring device and a control valve; the working system comprises a shell and at least a group of air cylinder and piston arranged inside the shell; and the lubricating system comprises a lubricating oil duct, an engine oil pump, an engine oil filter and a valve arranged in the air cylinder. By using the compressed air as a working medium, the engine can create a working environment and condition that an absolute pressure difference between the pressure of the compressed air source and that of the non-working air in a working chamber exists. On the basis of further optimizing the structure of working and transmission systems, potential of the compressed air can be efficiently and adequately converted into turbine mechanical energy, and furthermore, mechanical work is output externally.

The invention discloses a numerically-controlled modular microcomputer power supply overvoltage-undervoltage protection circuit, which comprises a detection part and a transmission part, wherein the detection part comprises at least one detection module; each detection module comprises an undervoltage comparison circuit, an overvoltage comparison circuit and an alarming circuit, each of the undervoltage comparison circuit and the overvoltage comparison circuit is a hysteresis comparator, test voltages are input into the two comparison circuits simultaneously to be compared with a reference voltage, and output of each comparison circuit is connected with the alarm circuit; and a transmission circuit comprises a microcontroller and an LAN bus module, the output of each comparison circuit is connected with the microcontroller, and the microcontroller is connected with an upper computer through the LAN bus module. The numerically-controlled modular microcomputer power supply overvoltage-undervoltage protection circuit can protect a microcomputer power supply module against overvoltage and undervoltage simultaneously, and has the advantages of being small in size, high in precision, safe and reliable, convenient and universal, and more intelligent in transmission.

The invention provides a device for preventing and treating lumbar and cervical disc herniation. The device structurally comprises a seat, a cervical positioning plate, a lumbar correction airbag, a cervical correction airbag, Chinese herb hot compress pads, a lumbar correction airbag adhering positioning strap, a cervical correction airbag adhering positioning strap, a mandible adhering strap positioning strap, mandible adhering straps, two chest adhering straps and two waist adhering straps, wherein the cervical positioning plate is arranged on the top of a backrest of the seat vertically, the lumbar correction airbag adhering positioning strap is arranged the backrest of the seat, the cervical airbag adhering positioning strap is arranged in the front of the cervical positioning plate, the mandible adhering strap positioning strap is arranged on the back of the cervical positioning plate, the back of the cervical correction airbag is adhered with the cervical correction airbag adhering positioning strap, two ends of the two chest adhering straps are arranged on two sides of the upper portion of the backrest of the seat, two ends of the waist adhering straps are arranged on two sides of the lower portion of the seat, the lumbar correction airbag and the cervical correction airbag are respectively connected with bag ball type inflator pumps through inflation tubes, and an air release valve is arranged on each inflation tube.

The invention discloses a macro-arc cathode discharge micro electric boosting module which comprises a power supply, an inductance coil, a control switch, a diverter, a cathode, an anode and an electromagnetic coil, wherein the power supply is used for providing direct current which is measured by using the diverter; the inductance coil is charged with power when the control switch is closed; an instantaneous high voltage is generated to the outside when the control switch is opened; if an external circuit is communicated, current is provided to the outside till the electric energy stored in the inductance coil is completely released; the cathode and the anode can discharge power and are broken and communicated when being subjected to the instantaneous high voltage, the surface of the cathode can be burnt and plasma is generated; and under the action of magnetic lines of the electromagnetic coil, the plasma is focused and ejected out at a high speed, and thus boosting force can be generated. A solid metal is adopted as a propellant, so that the problem that a micro boosting module is relatively large in size can be solved; due to cooperation of the electromagnetic coil and the control switch, and residual current discharge of an electric arc, the problem that the power of the inductance coil is consumed can be solved; and as the plasma on the surface of the cathode of a booster is focused by the electromagnetic coil, the specific impulse of the booster can be improved.

The invention discloses a Xilinx-FPGA-based multi-gigabit-network flow combination system and a realization method thereof. The system is composed of six MAC modules, an internal processing logic module, a PCIE high-speed interface module, a clock module, and another external interface logic module. In addition, the realization method includes: a system checks an MAC module ready signal and a PCIE high-speed interface module ready signal and starts transmission work after receiving the two ready signals; after a host operation system is started completely, loop testing is carried out on an internet access corresponding to the MAC module, correctness of a network device is checked, and a network mark is obtained; and bidirectional data communication between the internet access and the host is carried out. According to the invention, a plurality of gigabit MACs are established by using an ETMACIP core; and a plurality of network cards are established by using the MAC and an external PHY way and thus a plurality of gigabit networks are established, thereby meeting a requirement of a fast data processing speed.

A flow control method based on a network processor includes: designing parameters for the flow control algorithm, computing parameters related to the arrived time scale of the current data packet, transmitting said data packet and token if L is smaller than C2 according to the compared result to the length L of the current data packet and current token number C2 in the token bucket, otherwise, they are given up, regulating the two parameter values of the token number and time scale in said token bucket.

The invention relates to a method for manufacturing a full-metal self-locking nut, which manufactures the nut by the prior process, and then utilizes an extrusion method to extrude one end of the nut to deform a screw hole at the end. The method specifically comprises the following steps: (1) selecting a base material for the self-locking nut; (2) processing external dimensions, and tapping an internal thread; (3) carrying out metallographic thermal treatment; (4) designing and manufacturing a mould, wherein a groove is arranged in the mould, the upper part of the groove is orthohexagonal, the orthohexagonal diameter is equal to the diameter of the self-locking nut, the bottom of the groove is elliptic, the length of an elliptic long shaft is larger than the diameter of the self-locking nut, and the length of a short shaft of the groove is smaller than the diameter of the self-locking nut; (5) utilizing a self-locking nut in an extrusion mould of a hydraulic press; and (6) taking out the self-locking nut from the mould and checking the self-locking nut. The full-metal self-locking nut manufactured by the method still has locking function after five times of repeated use, can be widely applied to the field of other engineering machinery, ensures the reliability of quality, and has low cost.

System and method of verifying validity of a metadata modification request to prevent improper metadata operations. During initialization of a volume in a storage device and once a metadata area is reserved for a metadata structure, information characterizing the metadata structure and metadata area is stored in the storage device, which may be in the form of an area legend composed of descriptors such as a magic signature, a node size, a clump size of reservation, and extent of the metadata area. Responsive to a request for operating on metadata, relevant information provided in the request is verified against the stored characteristic information. If the verification discovers an inconsistency between the information provided in the request and the stored characteristic information, the request modification is treated as invalid and blocked from operation.

The invention discloses a measuring device for internal thermal environment parameters of an arc heater. The measuring device comprises cooling water inlets, cooling water outlets, cooling water channels, an air inlet structure, a measuring structure body, an inner-wall local heat flow measuring structure, an inner-wall temperature measuring structure and an inner-wall pressure measuring structure, the cooling water inlets and outlets include holes respectively, each cooling water channel is arranged between the cooling water inlet and outlet of the same group, the inner-wall local heat flow measuring structure is arranged between the cooling water inlet and outlet of different groups, the inner-wall temperature measuring structure and the inner-wall pressure measuring structure are arranged in the other side, and the air inlet structure is arranged in a measuring system. The internal thermal environment parameters of the arc heater are hard to measure due to the high-pressure and high-temperature environment in the heater. The measuring device can be used to overcome the difficulty in measuring the internal thermal environment parameters of the arc heater, and provides full data support for optimal design and operation monitoring of the arc heater.

The invention discloses a pulverizer structure with a secondary pulverizing function. The pulverizer structure comprises more than two rotors. Each rotor comprises a main shaft and more than two hammer carriers. The main shafts of the adjacent rotors are arranged in parallel. The hammer carriers are vertically and fixedly mounted on the corresponding main shafts. Hammers are mounted on the circumferences of the hammer carriers. An included angle alpha between a horizontal line and a line for connecting projective points of the center lines of the main shafts of the adjacent rotors on a plane perpendicular to the main shafts is greater than or equal to 35 degrees and is smaller than or equal to 45 degrees. Correspondingly, the invention further provides a pulverizer provided with the pulverizer structure. The pulverizer structure with the secondary pulverizing function and the pulverizer have the advantages of high pulverizing ability, small vibration, low noise, low energy consumption, high production efficiency and the like.

The invention discloses a light portable carton printer bearing protection device. The light portable carton printer bearing protection device comprises a center fixing base and four elastic bearing bases distributed on the periphery of the center fixing base with equal angles. The elastic bearing bases and the center fixing base are connected and fixed through rubber connecting belts. The bottomface center position of a carton printer is fixed to the center fixing base, and meanwhile the four edge sides of the bottom face of the carton printer are placed on the elastic bearing bases. The light portable carton printer bearing protection device is provided with the center fixing base and the elastic bearing bases connected through the rubber connecting belts, adjustment of the stretching length of the rubber connecting belts can be achieved by controlling belt winding wheels on the center fixing base, accordingly, adjustment of the size of the bearing device is achieved, universality and convenience are achieved, and the weight is small. Meanwhile, when the light portable carton printer bearing protection device is not used, the rubber connecting belts are withdrawn through rotation of the belt winding wheels, the size of the bearing device becomes small, and carrying and transferring are convenient.

The invention relates to an LED daylight lamp. The bottom face of a radiator is in a V shape or a U shape with angles, and a power supply has a large installation space, great insulating space and good radiation. An LED lamp panel is in a V shape or a U shape with angles, and has a great irradiation angle. The power supply has power adjustment function so that the power of the power supply is adjustable and good generality is achieved. The technology of the invention is mainly used for an LED daylight lamp.

The invention discloses a magnetic screen for a low-power Hall thruster and a fixing structure. The magnetic screen comprises a magnetic screen body and a magnetic screen installation support, whereinthe magnetic screen body is made of a magnetic conductive material, and the magnetic screen installation support is made of a non-magnetic-conductive austenitic stainless steel material. The two parts are matched with each other through the boss, stable and reliable connection is achieved in a fusion welding mode, and meanwhile the two parts are connected with other parts in the thruster througha flanging structure on the magnetic screen installation support. A magnetic circuit structure similar to a high-power Hall thruster is realized through an idea of integrally designing the inner magnetic screen and the outer magnetic screen. And meanwhile, the ceramic channel can be fixed on an integrated structure of the inner magnetic screen and the outer magnetic screen, so that the differencebetween the axial length of the inner coil and the axial length of the ceramic channel in the low-power Hall thruster is made up.

The invention relates to an isolation diaphragm for a cement slurry densitometer and a method for assembling and replacing the isolation diaphragm, wherein a putty isolator is arranged between a measuring tube of the densitometer and a pressure gauge; the inside of the putty isolator is provided with a cavity which is filled with hydraulic oil; a supporting framework which is made of hard materials is coated on the peripheral edge of a flexible isolation diaphragm which is fixed inside an annular groove on a front opening of the cavity, and the flexible isolation diaphragm and the supporting framework are pressed into a whole by a die; and gaps are reserved between the outside of the isolation diaphragm and the annular groove, and are filled with cohesive glue. The isolation diaphragm for the cement slurry densitometer avoids corrosion and damage due to contact of the slurry and a hard sensor, and does not need to use a large-diameter sensor diaphragm to prevent transport damage and so on, thereby reducing the cost; the front surface of the diaphragm which is pressed by the die is natural and smooth and has stable performance, thereby guaranteeing accurate measurement; when the isolation diaphragm is assembled, people only need to fill the annular groove with the glue and press the whole diaphragm into the annular groove, and residual glue can be overflowed from the gaps on the outside of the diaphragm and fills in the gaps, so as to fix and seal the diaphragm; the isolation diaphragm is convenient to replace; a lug boss is arranged on the rear of the diaphragm, thereby being favorable for gluing and sealing; and the thickness, the diameter and so on of the diaphragm all realize transmission of hydraulic pressure, accurate measurement and difficult damage.

The invention discloses an elevator steel wire rope tension automatic regulation system which comprises a plurality of cylinder bodies. A piston is mounted in each cylinder body; each piston is fixed to a tail end pull rod of one elevator steel wire rope and can freely move in the corresponding cylinder body; an inner cavity is formed by each piston and the corresponding cylinder body; and all the inner cavities are communicated mutually and are filled with liquid for transferring a pressure to form a closed communicated liquid system. Tensions of the steel wire ropes are acted on the pistons by the tail end pull rods and generate a certain pressure on liquid in the inner cavities by the pistons, the inner cavities of all the cylinder bodies are communicated, and thus, according to a principle that the liquid can transfer the pressure towards each direction in a size unchanged manner, liquid pressures in different inner cavities connected together finally reach a dynamic balance to enable acting forces of the liquid on different pistons to be equal, so that automatic regulation on the tensions of all the steel wire ropes is achieved. According to the invention, uniformity of the tension of each steel wire rope is achieved, wear to the steel wire ropes greatly stressed and grooves matched with the steel wire ropes greatly stressed is reduced, and the elevator steel wire rope tension automatic regulation system is beneficial for prolonging the service life of an elevator traction system.

The invention discloses a machine tool transmission chain detection device. The device comprises a knife bar angle displacement sensor and a workbench angle displacement sensor. The knife bar angle displacement sensor and the workbench angle displacement sensor are connected to a rotational transmission precision measuring instrument. A stator of the workbench angle displacement sensor is embedded and fixed into a center hole of a disk-shaped leaf spring and the stator and the center hole are concentric. An edge portion of the leaf spring is fixed to a machine body of a machine tool through a magnetic stand. The workbench angle displacement sensor is supported by a sensor pedestal and a rotor and a machine tool workbench are coaxially rotated and connected. The invention also discloses a machine tool transmission chain detection method. The device and the method have advantages that 1, a problem that an installation and positioning position of the stator of the workbench angle displacement sensor on the machine tool, which accords with a requirement, is difficult to find is solved, damages of a tooling used for fixing the stator to the machine tool are avoided and installation time is shortened; and 2, a problem that the stator needs to be repeatedly dismounted and clamped before measurement when the angle displacement sensor repeatedly carries out transposition and measurement is solved, and measurement precision and operation convenience are increased.

The invention discloses an algorithm for simultaneously reconstructing flame three-dimensional temperature and smoke black volume fraction distribution, which comprises the following steps of: inputting emergent spectrum radiation intensity information of flame radiation light rays in different directions, dispersing a flame infinitesimal body, and establishing a flame radiation transmission equation; and setting an objective function, performing iterative computation by using a constructed simultaneous reconstruction algorithm, and performing reconstruction to obtain flame three-dimensional temperature and smoke black volume fraction distribution. According to the algorithm, in the iteration process, the non-negative least square algorithm is nested in the simulated annealing algorithm, so that the searching efficiency of the SA algorithm in the target function searching process is remarkably improved. And meanwhile, the SA algorithm has the advantages of high quality, strong initialvalue robustness, universality, easiness in implementation and the like, so that the NNLSSA algorithm has good global search characteristics, is not easy to fall into a local optimal value, and has relatively high precision and relatively good convergence in a process of simultaneously solving flame three-dimensional temperature and smoke black volume fraction distribution.

The invention discloses an annular micro-arc cathode discharge plasma propulsion device, which comprises a sleeve, a first metal block, an insulating block, a second metal block, a spring, a magnetic core and a permanent magnet; the sleeve is provided with a stepped through hole, The first metal block, the insulating block, the second metal block and the spring are sequentially arranged in the stepped through hole and fit together, the spring is attached to the flange, the flange is fixedly connected to one end of the sleeve, and the other end of the sleeve is passed through the Among the magnetic core and the permanent magnet, the magnetic core is bonded to the permanent magnet. The present invention reduces the mass of the device by setting the sleeve, the first metal block, the insulating block and the second metal block, and solves the problem that the mass of the traditional miniature electric propulsion device is large; through the cooperation of the spring, the magnetic core and the permanent magnet, the extension The working time of the device is shortened, which makes up for the short working cycle of the traditional micro electric propulsion device; by controlling the relative positions of the first metal block and insulating block, the magnetic core and the permanent magnet, the accuracy of the device is improved, and the traditional micro electric propulsion device is overcome. Less precise puzzles.