254results about How to "To achieve the purpose of protection" patented technology

The invention discloses a method and a device of local heat treatment for thin-walled tubular parts. A high-frequency induction heater is used as a heating source. The inner diameter of a high-frequency induction ring of the high-frequency induction heater is 5-30mm larger than the outer diameter of a heating-expected area of the thin-walled tubular part. The high-frequency induction ring with the heating power is capable of heating the heating-expected area of the thin-walled tubular part to required heating temperature in 10-60 seconds. When the thin-walled tubular part is subjected to local heat treatment, an auxiliary heating sleeve tool is used to sleeve the local heat area to be subjected to heat treatment. A gap between the inner surface of the heating sleeve tool and the sleeved position of the thin-walled tubular part is larger than 0.1mm and smaller than 1mm. The wall thickness of the heating sleeve tool is 2-10mm. The thin-walled tubular part is rotated around a center line of the high-frequency induction ring. The method and the method have the advantages that the heat area can be controlled effectively, heating is even, product quality is high and stable, operation is simple, manufacturing and using costs are low, and the method and the device are applicable to batch production, and the like.

The invention discloses an automatic identity recognition and data remote control global positioning system (GPS)-positioned anti-theft mobile phone and an implementation mode thereof. The anti-theft mobile phone mainly comprises a baseband processor, radio frequency, near field communication (NFC) and a GPS, wherein the baseband processor and the radio frequency complete basic communication functions of the mobile phone; the NFC has an identity recognition function; and the GPS completes acquisition of position coordinate information of the mobile phone. Personal data information in the mobile phone can be effectively protected. Once the mobile phone is stolen, the position coordinate information of the stolen mobile phone can be transmitted to a preset family number through a GPS positioning module, and then the position information is transmitted to a public security organ. Since the stolen mobile phone is retrieved in a legal and formal way, the loss of the owner of the mobile phone is reduced to the maximum extent and social security and harmony are protected.

The present invention refers to an embedded controller and updating firmware method. It contains said embedded controller being microprocessor type and with one firmware memory in notebook computer; said embedded controller having master/slave unit; before computer just powering on or I/O Controller Hub (ICH) action, said embedded controller changing embedded controller from slave unit into master device, this moment embedded controller capable of downloading part or whole firmware routine code from BIOS memory through LPC/SPI bus, through embedded type firmware internal circuit programming function to make part or all firmware updating, after updating embedded controller firmware, switching master device into slave unit, switching on notebook computer power supply or making I/O Controller Hub action.

The invention relates to an intelligent door lock control system. In the intelligent door lock control system, a communication module is arranged for receiving an operation instruction sent by a user terminal and a master control module is arranged for reading the state information of a door lock and sending the state information to the user terminal through the communication module and displaying, so that the purpose of protecting the door lock is achieved; a display screen need not be arranged on the door lock; a user can read the state information of the door lock at any time and any where through a terminal (such as, a mobile phone); the menu setting and the unlocking operation for the door lock can be realized through the terminal, so that the structure is saved, the safety of the door lock is greatly increased, and meanwhile, the door lock control system can reduce the energy consumption, can lower the cost and is beneficial to energy conservation and emission reduction.

The invention discloses an automatic-adjusting tree supporting frame which comprises a base and at least three sets of supporting components movably arranged on the base. Each supporting component comprises a fixing mechanism used for fixing a trunk, and a supporting mechanism used for supporting the trunk and supportive of automatic-adjusting, each fixing mechanism and the corresponding supporting mechanism are connected with each other with the help of a connecting mechanism, each fixing mechanism comprises a fixing support matched with the outer surface of the trunk, and each supporting mechanism comprises a supporting rod connecting the corresponding fixing support with the base, and a hydraulic adjusting rod connected with the supporting rod and adjustable in length. Automatic adjusting of the tree supporting frame is realized through a deformable structure, and the tree supporting frame is enabled to adapt to growing of a tree and performs adjusting automatically without causing any constraint to growing of the tree, so that the objective of protecting the tree is truly realized. In addition, the automatic-adjusting tree supporting frame is simple in structure, easy to assemble, high in practicability and wide in applicable range.

The invention discloses a Method and device for removing SO2 in smoke gas by pyrolusite slurry and resource utilization. Pyrolusite is subjected to wet milling with water added by a ball mill and pH value regulation to prepare pyrolusite slurry; the pyrolusite slurry performs inverse contact reaction with SO2-containing smoke gas in a desulfurizing tower for desulfurization; the smoke gas is subjected to defogging, and then enters the next work procedure; the ore slurry circulation flow process comprises the steps of vacuum filtering, filtering after pH regulation by lime, pH regulation of filter liquid and precipitation in a precipitation pool, vacuum evaporative crystallization and solid-liquid separation, and filter liquid carbonization solid-liquid separation. The pyrolusite slurry is used for removing SO2 in the smoke gas; meanwhile, the SO2 takes oxidation-reduction reaction with manganese dioxide in the pyrolusite to generate manganous sulfate; through the processes of purification, evaporative crystallization, mother liquid carbonization and the like, manganese sulfate monohydrate and manganese carbonate with high added values can be obtained; the SO2 in the smoke gas is controlled; the secondary pollution of the smoke gas is prevented; meanwhile, high-added-value products are generated; meanwhile, the SO2 control problem is solved; the economic benefits are obtained.

The invention introduces an emulator for protecting a chip firmware program and a method thereof and relates to the technical field of chip simulation. The emulator comprises an emulator control module and emulator hardware. The emulator hardware comprises a chip function debugging module, a register, a signal generation stopping module and a chip function module. The register is arranged on the emulator control module through the chip function debugging module. The CPU stops or runs after the control chip function module generates soft resetting. The method for protecting the chip firmware program includes that the emulator control module start the soft resetting stopping function of the emulator hardware, operates a soft resetting command in the chip firmware program, and automatically stops at the head address of the user program area, the chip firmware program on the user debugging interface cannot be visited at the moment, and the aim of protection is achieved. The emulator has the function of automatically switching to the user program area and protecting the chip firmware program, has the advantages of being simple in design and convenient to use, and provides a code protection scheme for the chip emulator with the safety requirement.

The invention relates to a novel inflatable upper-air protective umbrella which is a safe messenger for upper-air operation. The upper-air operation has no safe and reliable protective measures all long, and the naissance of the product provides security guarantee for the upper-air operation. The novel inflatable upper-air protective umbrella comprises an inflating umbrella cover (1), an umbrella belt (2), a safety belt (3), a seat cushion waistband (4), an inflatable vest (5), an inflatable safety helmet (6), an inflator pump (7) and a self-carried inflating bag (8). The novel inflatable upper-air protective umbrella has the advantages of safety, reliability, portability, economy, practicability, small investment and quick effect, can be used for ensuring the safety of upper-air operators, and safety is maximal economic benefit, therefore social benefit is certainly outstanding. The invention has the following using methods and matters needing attention: when the novel inflatable upper-air protective umbrella is in use, whether air is leaked or not is must be firstly checked; frequent check is needed, and the umbrella needs to be patched in time when air leakage is discovered; when the novel inflatable upper-air protective umbrella is in use, the safety belt (3) and the seat cushion waistband (4) must be well fastened; and when the novel inflatable upper-air protective umbrella is stored, insect prevention, rat prevention and corrosion prevention are needed.

The invention relates to a wall grinding machine, which comprises a connecting rod, a casing and a mounting frame. A control switch is arranged on the outside of the connecting rod, and a handle is nested outside the lower end of the connecting rod. The casing is arranged on the upper end of the connecting rod, and the casing The inside is connected to the motor through a shock absorbing mechanism, the outside of the motor is connected to the dust cover through an adjustment mechanism, and balls are installed on one side of the dust cover, the side of the motor is connected to a main shaft, and the outside of the main shaft is passed through a grinding sheet The tightening mechanism is connected with the grinding sheet, the middle part of the dust cover is provided with a bearing, the outer side of the dust suction port is connected with the connecting pipe through a bellows, and one end of the connecting pipe is connected with a vacuum cleaner, and the mounting frame is arranged on the upper end of the shell. In addition, a corrugated pipe runs through the inside of the installation frame, and a filter screen is arranged inside the vacuum cleaner, and a dust accumulation box is installed at the lower end of the filter screen. The wall grinding machine is provided with a shock-absorbing mechanism, so that the device can play a certain buffering role during use.

The invention relates to a reversible magnetic starter for an underground coal mine electric power driving multiple rotary executing mechanism. A test/working mode option switch and three buttons used for starting, closing and stopping respectively are arranged on a panel of a flameproof enclosure; a display unit of the reversible magnetic starter is a touch screen, an operation unit comprises the test/working mode option switch and the starting, closing and stopping buttons, and a signal collecting and processing unit comprises a signal processing plate and an analog-to-digital conversion module; and the units are connected with a programmable logic controller of a control unit respectively. The reversible magnetic starter has high reliability and high anti-interference capability, is used for the controls of the underground coal mine electric power driving multiple rotary executing mechanism such as local/remote control, starting, closing, stoping, self-hold/instantaneous acting, journey limiting, and torque limit control, performs comprehensive and real-time protection to prevent the faults of an unclosed contact point of a contactor, an overloaded electric current, a short-circuited electric current, lacking phase, under/over voltage, an earth leakage lockout resistance; and meanwhile, the touch screen can display, record, store, and check the working state or fault type and parameters.

The invention relates to a harmonic impedance matrix-based anti-islanding identification method and system of a wind power plant. The island protection of the wind power plant is achieved by acquiring a voltage and a current of a grid-connected point of the wind power plant, analyzing the each harmonic impedance size, calculating a mode value of a harmonic impedance matrix and judging whether an island occurs in the wind power plant. The island is identified according to change of circuit impedance at the grid-connected point before and after disconnection of a power grid, and system impedance is equivalent to impedance of the wind power plant and the impedance of the power grid which are connected in parallel; since a main power grid approximates to an ideal voltage source, the system impedance is small; and after the island occurs, the main power grid is disconnected, the system impedance is equal to impedance of a power station system, the value of the system impedance is generally larger than the impedance during grid connection, so that an island state is identified.

The invention relates to a use of a lysine-specific demethylase 1 (LSD1) inhibitor. Zebra fish and mouse are used as model animals and used for building hair cell damage and protection research animal models. A research result proves that through utilization of the LSD1 inhibitor on the whole body and round window local part, a histone H3K4 dimethylation expression level is substantially improved and cochlear hair cell Cleaved Caspase-3 expression is substantially reduced so that hair cell damage is reduced and hearing protection is realized and thus it is shown that the LSD1 inhibitor can produce hearing protection in sensorineural deafness treatment. The use provides a novel approach for searching, preventing and treating sensorineural deafness and has a clinical application value.

The invention provides a material conveying device for building construction. The device comprises a supporting plate and moving wheels; the moving wheels are fixedly connected to the four corners ofthe lower end face of the supporting plate. A push plate is fixedly connected to the left edge of the upper end face of the supporting plate. A sliding block is connected into the push plate in a sliding manner; the right side of the sliding block is fixedly connected with a hook; the left side of the sliding block is connected with a pull rope; the pull rope is wound on a rotating rod; the rotating rod is connected to the left side surface of the push plate through a lug plate. Compared with the prior art, the material conveying device has the following beneficial effects: with the hook and the pull rope, winding and pressing of materials are achieved, and the conveying stability of the materials is improved; the purpose of protecting the materials is achieved through unfolding and movingof a front stop lever and a rear stop lever, so that the material scattering probability is reduced; and the application range is enlarged through the contraction and folding design, and the use functionality is wide.

The invention discloses graphene nanomaterial-containing tree trunk injection liquid for preventing and treating citrus psylla. The graphene nanomaterial-containing tree trunk injection liquid is prepared from the following raw materials in percentage by mass: 0.2 to 20.0 percent of an active component and 0.1 to 30 percent of a graphene nanomaterial, wherein a weight ratio of the active componentto the graphene nanomaterial is (100:10) to (100:500); the pesticide active component comprises a nicotine insecticide. The graphene nanomaterial-containing tree trunk injection liquid prepared by the invention is used for injecting medicine into tree trunks, the active component has very good vertical conductivity on a citrus wood layer after the graphene nanomaterial-containing tree trunk injection liquid is injected to the citrus wood layer, and the active component can also be easily conducted to a citrus phloem part in aspect of horizontal conduction so as to be conducted to tender tipsand roots, so that the effect of preventing and treating the citrus psylla can be achieved; the graphene nanomaterial-containing tree trunk injection liquid prepared by the invention is used for preventing and treating the citrus psylla, and the corrective control effect can be up to 93.4 percent after 40 days, so that the purpose of preventing and treating citrus huanglongbing can be achieved.

The invention relates to a high-voltage ESD (Electronic Static Discharge) protection circuit which comprises a power supply port, an NMOS (N-channel Metal Oxide Semiconductor) discharge tube, an ESD detection resistor and a pull-down resistor, and a drain of the NMOS discharge tube is connected with the power supply port and the ESD detection resistor. The high-voltage ESD protection circuit is characterized in that the drain and a grid of the NMOS discharge tube are respectively connected with a drain and a source of an NMOS pull-up tube, and a grid of the NMOS pull-up tube is earthed after being connected with the pull-down resistor. Compared with the traditional ESD protection circuit, the NMOS pull-up tube is introduced as the pull-up tube in place of a detection capacitor Ca, parasitic capacitors Cgd and Cgs of the NMOS pull-up tube per se are used for conducting the NMOS discharge tube, and the purpose of ESD protection is realized.

The invention relates to the technical field of protective devices, and discloses a VR fitness sports helmet with good ventilation function, the VR fitness sports helmet comprises a protective helmet,the top of the protective helmet is fixedly connected with a support rod, and the top end of the support rod is fixedly connected with a protective plate. The sports helmet with the good ventilationfunction for VR fitness has the advantages that the ventilation function is good; by installing the protection plate, air hole can be covered, rainwater is prevented from entering the protective helmet from the air holes; a good rainproof effect can be achieved; by arranging a filter screen, mosquitoes can be prevented from entering the protective helmet from the air holes; the effect of protecting the head is achieved; by arranging a buffering inner layer, the protective helmet can be prevented from making direct contact with hair, ventilation and air permeability are better, meanwhile, external force can be buffered, damage caused by the external force to the head is reduced, when the face needs to be protected by goggles, rainwater is prevented from entering the sports helmet, the headis protected, and the head of an athlete is prevented from being wetted by the rainwater.

The invention discloses a high voltage static generator, which is characterized by comprising a power supply control circuit, a rectification voltage stabilizing circuit, a high-frequency converting circuit, a boosting rectification circuit, an overload alarming protective circuit and an output measuring circuit. A 220V alternative-current municipal power is converted to a high-frequency pulse power source through the power supply control circuit, the rectification voltage stabilizing circuit and the high-frequency converting circuit, and then the high-frequency pulse power source is converted to a direct-current high-voltage static power to be outputted to a load through the boosting rectification circuit. The high voltage static generator has the characteristics of simplicity and clarity in circuits, continuity and adjustability of voltage, automatic protection and alarming for overload, safety and reliability in use and the like. The high voltage static generator is suitable for static spray coating, static seed treatment, static flocking and the like.