71results about How to "No effect on operation" patented technology

The invention discloses a memory management method and a device for an embedded type system. The method of the invention comprises the following steps: firstly, a memory is divided into a plurality of large memory zones with unequal memory capacities; secondly, when an application program begins to run, a large memory zone which is matched with a maximum memory requirement value of the application program is allocated for the application program; thirdly, a small memory is allocated for the application program in the matched large memory zone by utilization of heap means; fourthly, when the small memory is released by the application program by utilization of heap means, the small memory is combined with adjacent and free small memories; when the application program stops running, the matched large memory zone is released. The invention avoids a large amount of memory fragmentations, quickens speed of memory fragmentation defrag and avoids the necessity in a memory pool means of calculation of the size and number of each memory which needs for dynamic allocation of each application program.

The present invention provides a permanent magnet synchronous motor, belonging to the technical field of motors. The permanent magnet synchronous motor is characterized by: adoption of a solid shuttle-shaped rotor structure; a large radial air gap and an axial non-constant air gap; a permanent magnet adopting a radial buried structure; a starting squirrel cage embedded on the rotor; and the rotor and a stator both provided with corresponding ventilation ducts that facilitate cooling air which passes through the large radial air gap to take away heat of the surface of the solid rotor and heat of the stator itself. The permanent magnet synchronous motor in the invention not only solves a problem of starting difficulty in a permanent magnet motor having a conventional laminated rotor, but also solves a problem of heat dissipation difficulty in a permanent magnet motor having a conventional solid rotor. The permanent magnet synchronous motor in the invention with a starting torque from 2.0 to 3.0 further overcomes a problem of easy demagnetization of the permanent magnet caused by a too high temperature of the rotor.

The invention discloses a control method and system of restricted access in an Android application multi-running environment, an open source virtualization framework is extended, and a privilege escalation attack initiated by a ClientApp due to the sharing of a permission of a HostApp is limited. The method includes a step of judging whether a current sensitive API call operation is legal or not with the combination of loaded policy information if a current operation is the sensitive API call operation when the ClientApp is running, and allowing the ClientApp to call a real API if so, a step of triggering an IOHook module to obtain a currently accessed file directory if the current operation belongs to a file access operation, then allowing an IoCheck module to check whether current accessis legal or not with the combination of a policy library, and calling a real system for file operation if so, and a step of analyzing a permission list to be a default quasi-permission authorizationset while the HostApp loads the ClientApp, and forming an authorization set with the integration of a developer-configured policy. According to the method and the system, the sensitive API access control in a third-party application multi-running environment is achieved.

The invention aims at providing an inside and outside reinforced structural type configuration-changeable obstacle crossing robot which comprises a car body, main arms and auxiliary arms. Main arm caterpillar band support frames are installed on two sides of the car body, power-driven wheels, main arm wheels and driven wheels are sequentially installed on the main arm caterpillar band support frames from front to back, the main arms are installed on the main arm caterpillar band support frames, one end of each main arm is connected with the main arm wheels, and a planet wheel is installed at the other end of each main arm. A first auxiliary wheel and a second auxiliary wheel are respectively installed at two ends of each auxiliary arm, the second auxiliary wheels are coaxial with the driven wheels, main arm caterpillar bands are installed the main arm caterpillar band support frames through the planet wheels, the power-driven wheels, the main arm wheels and the driven wheel, and auxiliary arm caterpillar bands are installed on the auxiliary arms through the first auxiliary wheels and the second auxiliary wheels. The inside and outside reinforced structural type configuration-changeable obstacle crossing robot adopts a composite main arm structure, inner and outer arms reinforced design is adopted by the main arms, the strength of the main arms in the movement process is ensured, and accordingly the stationarity of the car body in obstacle crossing is improved.

A method for establishing encrypted/decrypted storage space by virtue of a personnel computer external secrete key is based on a personnel computer and an external hardware device where a secrete key is stored. The method comprises the following steps: mounting a data filter screen type encryption/decryption driving function on an upper bottom layer of an internal operating system of the personnel computer; establishing encrypted data storage partitions in available data storage space detected by the operating system; after the external hardware device is electrically connected with the personnel computer, mounting the encrypted data storage partitions in the operating system; and after the external hardware device is electrically disconnected from the personnel computer, demounting the encrypted data storage partitions from the operating system, and encrypting/decrypting data interactively of the encrypted data storage partitions. The method realizes isolation of the secrete key from the encrypted data as well as isolation of the common data from the encrypted data, enhances the crypticity of the encrypted data, and ensures the security of the encrypted data.

The invention relates to an automatic monitoring comprehensive protection device of a scraper conveyor, in particular to a chain breaking, dislocation and chain falling comprehensive protection device of a scraper conveyor, which is applied to the field of coal mine machinery. Parallel chains are arranged on both sides of the scraper conveyor placed in parallel; scraping plates are uniformly and vertically arranged on each chain along the length direction of the chain; the chains are operated to a tail pulley from a head pulley of the scraper conveyor; a first proximity switch and a second proximity switch are arranged above the scraping plates; the first proximity switch and the second proximity switch are respectively connected with a monitoring device in parallel through signal wires in a heat shrinkage pipe. The comprehensive protection device disclosed by the invention has the advantages of high automation degree, little influence to the scraper conveyor and relatively wide application range and is simple and reliable.

The invention discloses a collaborative data anti-leakage method and system. The method comprises the following steps: collecting network traffic data generated by a host, and establishing and training a sensitive data model by combining a data anti-leakage strategy; capturing, by a terminal, the network traffic data generated by the host, and redirecting and sending the network traffic data to anoptimal access node; determining, by the access node, whether to establish an encrypted communication link with a target address according to the network traffic data; selecting, by the access node,an appropriate detection node according to the current operation status of a detection node and other reference data, and issuing a detection task; identifying, by the detection node, sensitive data in real time by combining a detection strategy with the sensitive data model, and feeding back the sensitive data to the access node; deciding, by the access node, whether to manage and control the network traffic data by combining the feedback result and a management and control strategy. By adoption of the technical scheme of the invention, the external sensitive data can be identified, managed and controlled in time, and the security protection ability of the data anti-leakage system on the data is improved.

The invention discloses a method for extending the length of a cable. The method comprises the following steps of: S1: cutting insulation layers at end portions of two cables to be connected to exposeconductors of the internal wires; S2: employing flame-retardant and fire-resistant cloth to fasten bodies, close to notches, of the two cables for protection; S3: allowing the mutual connection endsof the two cables to be made to adaptive anode head and cathode head, opening the cathode head layer by layer outwards to allow the wire in the innermost layer to be exposed, and performing welding from the wire in the innermost layer one by one and layer by layer; S4: performing molding for the insulation layers in the connected conductors through adoption of an injection molding method; and S5:performing molding for the outer sheaths of the connected conductors through adoption of an injection molding method. The silver materials with the electrical resistivity lower than these of the cables are employed layer by layer and one by one for brass soldering to allow the conductivity at the welding not to be lower than these of the conductor themselves; the connector insulation layer can bein fusion and cross-linkage with the insulation layer of an original cable well to allow the insulation layer at the connector and the insulation layer of the original cable to form an integrated structure, and the electrical properties of the connector are the same as these of the original cable.

The invention discloses an oil and gas balance controller of multi-connected air conditioner for the oil balance of compressors of at least two outdoor sets connected in parallel, wherein the oil balance controller comprises oil storage containers which communicate to the bottom of respective compressors of the plurality of outdoor sets, vent-pipes of respective compressors communicate to the oilstorage containers by an electromagnetic valve (1), every two oil storage containers communicate to one another by an oil balance connecting pipe to which each oil container communicates by an electromagnetic valve (4) and air suction pipes of respective compressors communicate by an electromagnetic valve (2), and each oil storage container communicates to the relative air suction pipes of respective compressors by an electromagnetic valve (3). The invention provides an oil and gas balance controller of multi-connected air conditioner for solving the problem of the oil balance of compressors in the various statuses.

The invention provides a device and a method for detecting SF6 mixed gas components, and relates to the technical field of detection of mixed gas components. The detection device comprises a high-voltage direct current power supply, a to-be-detected gas measurement tank and a spectrum detection system. The method comprises the following steps: filling to-be-detected mixed gases into the measurement tank, breaking the gases through high voltage direct current, and measuring SF6 mixed gas discharge plasma spectral characteristics by adopting a spectrum detection system, so as to detect the SF6 gas components. According to the device and the method for detecting SF6 mixed gas components provided by the invention, the amount of the needed to-be-detected gas sample is small during detection, the device is simple and convenient to operate, the time needed for later data processing procedure is short, normal operations of equipment are hardly influenced, and the SF6 mixed gas dielectric component change in the high-voltage product in long-term operation can be detected.

A hardware type network safety control server thermal backup device comprises a main server, at least one standby server and Bypass network cards. The device achieves hardware type network safety control server thermal backup by mounting the Bypass network cards on the main server and the at least one standby server. When the main server normally works, Bypass network cards on the main server are in a network mode, and receives data like a common network card does; when the main server is down, the Bypass network cards on the main server are automatically switched to be in a network cable mode and receive the data from a network card interface and transmit the data to another network card interface like a common network cable according to the conventional mode, at the moment, the standby servers begin to receive and analyze the data. The thermal backup device provided by the invention occupies less Ethernet terminals of an exchanger, after the main server is down, a short time is taken to achieve that the standby servers replace the main server to manage, the network is more efficient, the reliability of the system is improved, the backup process is pellucid and joint free for users, and the application range is wide.

The current limiter includes superconducting transformer, and PWM converter. Structure of the superconducting transformer is as following: two superconducting windings W1, W2 are prepared on iron core; winding W1 at primary side is cascaded to DC system. Through PWM converter, winding W2 at secondary side is connected to AC system. Through winding W2, iron core working at range of linearity releases active power to AC system to restrict short circuit current of DC system. When DC system operates normally, or short trouble occurs, PWM converter can make quick response to wattless requirement for AC system in order to provide voltage support for AC system. The current limiter can carry out dynamic reactive compensation for connected AC electrical power system. The invention raises safety stability of operation of AC electrical power system. The invention is applicable to DC power system and DC transmission system in high voltage in ship.

The invention provides a three-rail six-winch calcium carbide furnace tapping control system. The system comprises a three-outlet calcium carbide furnace; winches, each two of which, as a group, are arranged at each outlet of the calcium carbide furnace; on-site control boxes which are arranged at the adjacent position of each winch set at each outlet position of the calcium carbide furnace; a wireless receiver for receiving an in-field signal; a PLC intelligent control system which is used for processing in-field information; a dispatching and production upper computer management system whichis operated on a PC to process the information in the field and send out a control instruction; a clutch position detection device is arranged in each winch, each pair of winches are connected through a steel wire rope and are in charge of advancing and retreating of a boiler car corresponding to a furnace outlet; hard wiring is replaced by the PLC system, safety interlock is achieved, the life cycle statistics function of the device is achieved, the operation area covers the whole tapping area, the defects of a prior calcium carbide furnace tapping device are overcome, the staff is reduced,the production is increased, the operation cost of a production enterprise is reduced, and the automation level of the calcium carbide furnace is improved.

The invention provides a method for reducing emission of flue gas pollutants in a sintering process. The method comprises the following steps: step one, measuring and taking water and quick lime, adding water into the quick lime, slaking the quick lime to obtain slaked lime, adding coked wastewater into the slaked lime, mixing and wetting; step two, mixing and wetting the slaked lime with the coked wastewater, then pelletizing, continuing to dropwise adding the coked wastewater in the pelletizing process, adjusting a pelletizing device and pelletizing the slaked lime; step three, conveying pelletized pellets into a sintering machine pellet distributing opening by using a material conveying belt; step four, distributing the material on the sintering machine; and step five, carrying out sintering treatment by igniting on the sintering machine after finishing distributing the material on the sintering machine, and completing sintering in the sintering machine. The facilities used by the method are simple; the existing sintering machine does not need to be greatly changed; the emission of the sintering flue gas is reduced while the coked wastewater can be consumed; the method can be used as the beneficial complement of the existing sintering flue gas treatment process; the burden of treatment at the end of sintering can be reduced.

Each LED in an array of LEDs mounted on a submount wafer has at least a first semiconductor layer exposed and connected to a first electrode of each LED. The submount wafer has a first metal portion bonded to the first electrode of each LED for providing an energization current to each LED. The submount wafer also has a second metal portion running along and proximate to the first metal portion but not electrically connected to the first metal portion. The second metal portion may be interdigitated with the first metal portion. The second metal portion is connected to a bias voltage. When the wafer is immersed in an electrically conductive solution for electrochemical (EC) etching of the exposed first semiconductor layer, the solution electrically connects the second metal portion to the first metal portion for biasing the first semiconductor layer during the EC etching.

The invention discloses a protector. The protector comprises a fan null line connection section, a high-gear line connection section, a middle-gear line connection section and a low-gear line connection section which are arranged in parallel, wherein a first switch is in serial connection to the high-gear line connection section, a second switch is in serial connection to the middle-gear line connection section, a third switch is in serial connection to the low-gear line connection section, a first relay used for controlling the first switch to be switched on and off is connected between the null line connection section and the high-gear line connection section, a second relay used for controlling the second switch to be switched on and off is connected between the null line connection section and the middle-gear line connection section, and a third relay used for controlling the third switch to be switched on and off is connected between the null line connection section and the low-gear line connection section. According to the technical scheme, when a null line is mistakenly wired with different-gear line connection sections, the relay which is mistakenly wired can work to control the corresponding switch to be switched on and off, other gear relays cannot work, namely other gear relays cannot control corresponding switches to be switched on and off; thus, error wiring protection to a fan is effectively achieved.