6159results about How to "Improve safety and reliability" patented technology

The car battery system of the present invention is provided with a battery block 2 that retains a plurality of battery cells 1 in a stacked configuration and has a terminal plane 2A, which is coincident with terminal surfaces 1A established by positive and negative battery cell 1 electrode terminals 13; and with a battery state detection circuit 30 that connects with the electrode terminals 13 of each battery cell 1. The battery system is provided with a circuit board 7 with surface-mounted electronic components 40 that implement the battery state detection circuit 30. The circuit board 7 is a single-sided board with electronic components 40 mounted on only one side, and the circuit board 7 is attached to the battery block 2 opposite the terminal plane 2A with the side having no electronic components 40 facing the battery block 2. The positive and negative electrode terminals 13 of each battery cell 1 are connected with the circuit board 7 for connection to the battery state detection circuit 30.

The invention discloses a consortium chain-based digital bill trading system construction method, which develops a brand-new bill display form, namely, a digital bill in combination with existing bill attributes, laws and regulations and market by taking a consortium chain as technical support. Compared with an existing electronic bill, the digital bill is totally different from the electronic bill in technical framework, not only has all functions and advantages of the electronic bill but also fuses the advantages of a block chain technology, and is a securer, more intelligent, more convenient and more promising bill form. In addition, the block chain technology is applied to the field of bill businesses for the first time; a unified standard bill trading platform is established; the problems of trade background forgery, bill authenticity authentication failure, paper bill multi-time selling, non-synchronous electronic bill discounting and bill endorsing, and the like are solved; and various risks are effectively managed, controlled and prevented.

The present invention relates to one kind of small explosive eliminating and hazardous article eliminating robot, which includes one running part, one manipulator part, one body part, one cradle part and one control part. The equipment compartment and battery compartment of the body part and the cradle part are set on the back chassis, the running part including one right part and one left part is connected symmetrically on two sides of the front chassis and the back chassis in the body part and has two tail supports, and the manipulator part set on the front chassis of the body part has multiple freedoms for sufficient grasping capacity and high capacity of passing through narrow space. The small explosive eliminating and hazardous article eliminating robot has functions similar to that of large robot, great topographic adaptability and high obstacle surmounting capacity, and may be applied directly for eliminating explosive and hazardous article.

Monitoring equipment for an elevator drive control includes two modules, a safety circuit sensor system and a motor-switching and / or brake-switching circuit, wherein the monitoring of a safety circuit and the consequential actions resulting therefrom takes place exclusively by means of electronic components while avoiding electrically conductive separating locations. By the use of electronic components, electromechanical switching elements, which have electrically conductive separating locations, can be dispensed with. In addition, an appreciable reduction in the noise level is achieved, since switching noises no longer arise. This has an advantageous effect particularly in the case of elevator installations without a machine room. Furthermore, the manufacturing costs can be significantly reduced and a high security and reliability of the monitoring equipment can be ensured by the use of usual electronic components.

The present invention includes three-dimensional secondary battery cells comprising an electrolyte, a cathode, an anode, and an auxiliary electrode. The cathode, the anode, and the auxiliary electrode have a surface in contact with the electrolyte. The anode and the cathode are electrolytically coupled. The auxiliary electrode is electrolytically coupled and electrically coupled to at least one of the anode or the cathode. Electrically coupled means directly or indirectly connected in series by wires, traces or other connecting elements. The average distance between the surface of the auxiliary electrode and the surface of the coupled cathode or the coupled anode is between about 1 micron and about 10,000 microns. The average distance means the average of the shortest path for ion transfer from every point on the coupled cathode or anode to the auxiliary electrode.

The invention discloses a household security system and a household security method. The system comprises a 3G network control module and an electronic door lock module, wherein the 3G network control module is used for implementing wireless video session, short message communication control and intrusion information reminding with a householder, implementing wireless video session and intrusion information reminding with a cell security management system, and implementing wired video session and intrusion information reminding through a bandwidth network and a network interface of the cell security management system; and the electronic door lock module is used for implementing door opening, visitor reminding and identification. The intelligent level and the safety performance of the household security system are improved, the expansion performance of the whole security system is improved, and the problem that a common security system needs a great number of communication cables due to the adoption of wireless transmission technology is solved at the same time.

An improved bolt and bolt carrier with integral gas key having an extension nozzle threadedly secured and pinned to the gas key for use with a direct gas operated firearm is provided. The extension nozzle is designed to receive a portion of the host firearms gas operating system. The firing pin retaining pin is oriented so as to expose its widest profile to the firing pins annular flange, increasing its service life. The bolt has a plurality of lugs extending from its forward end and an extractor recess. The extractor recess is constructed to accommodate an enlarged extractor claw while not undercutting the bolt lugs adjacent thereto. The extractor engages approximately 57% more of a seated ammunition cartridges rim as compared to some prior art AR15 / M16 type extractors used with automatic firearms chambered in 6.8 SPC. The result is an improved bolt and bolt carrier which provides for increased operational reliability.

The invention discloses an energy feeding type dragging power supply device and a control method thereof. The energy feeding type dragging power supply device comprises a multiple transformer and at least two four-quadrant converter modules. The energy feeding type dragging power supply device and a diode rectification dragging unit are arranged in parallel form. A primary side of the multiple transformer of the energy feeding type dragging power supply device is connected to an alternated current medium-voltage power grid through a high-voltage switch cabinet; each set of windings at a low-voltage side of the multiple transformer is connected to an alternated current side of one four-quadrant converter module; and the direct current sides of the four-quadrant converter modules are in parallel connection after being connected to a direct current side isolation switch and are connected to a direct current bus through a direct current switch cabinet and a cathode cabinet. The energy feeding type dragging power supply device can work at three different modes of dragging, feedback or SVG (Scalable Vector Graphics) according to the requirements. The energy feeding type dragging power supply device is compatible with an existing dragging power supply system under the condition of meeting a power grid compatibility demand. The energy feeding type dragging power supply device has the advantages of moderate cost, capability of solving the technical problems of feeding back a regenerated braking energy and stabilizing a dragging network voltage, and real-time static reactive power compensation capacity.

The invention relates to a remote upgrading method for a vehicle-mounted communication terminal. The method comprises the following steps that 1, a background server issues a new version of a terminal; 2, the background server sends an upgrading inform to a mobile phone App end; 3, the mobile phone App end receives an upgrading selection sent by a user; 4, the background server sends new version software information to the terminal; 5 the background server authenticates the identity legality of the terminal; 6, the terminal downloads an upgrading patch; 7,upgrading patch legality and integrity are checked; 8, whether a vehicle has the upgrading condition or not is judged; 9, the terminal is remotely upgraded; 10, a new version program is installed for the terminal; 11, the terminal judges whether operation of new version software is normal or not is judged; 12, an original version program back-up patch is deleted, and the new version program is backed up; 13, the number of the new version software is reported to the background server; 14, the mobile phone App end prompts the user to upgrade information. The safety problems in the upgrading process in the prior art are solved.

The invention discloses an electric power supply device with an electric shock protection function. The electric power supply device comprises a power supply seat and a power supply head, wherein the power supply seat consists of a transmission part and a power supply part; a first threaded rod is arranged in the transmission part and is provided with a guidance sliding block; the first threaded rod extends to two sides; the left side extension end of the first threaded rod is in running fit connection with a first motor; the right side extension end of the first threaded rod is in rotation connection with a power supply part; the bottom of the guidance sliding block is fixedly connected with the power supply head; the right side end surface of the power supply head is provided with a contact pin; and a second sliding cavity, a power supply cavity and a wire guiding cavity, which are oppositely arranged with the power supply head, are arranged in the power supply part in sequence from left to right. The device has a simple structure, the possibility of accidental electric shock due to an unplugging state can be effectively avoided, in addition, automatic plugging control can be realized, plugging stability is improved, and the possibility of electric shock due to the contact of people can be lowered.

The invention aims to provide a temperature sensor for an electric cooker. In the temperature sensor for the electric cooker, an insulating bush and an electric wire can be gathered and bound reliably. Moreover, the temperature sensor is simple in structure and convenient to install, and the safety of the electric cooker can be enhanced greatly. The temperature sensor for the electric cooker comprises a binding wire and an aluminum cover, wherein a thermistor and a thermofuse are arranged in the aluminum cover through a bracket, are sleeved in the insulating bush respectively, and are connected with a lead which is led out of the aluminum cover respectively. Key points are that the bracket is provided with a support claw; the support claw is provided with a U-shaped clamping portion; the U-shaped clamping portion is used for clamping and fixing the insulating bush on which the thermistor and / or thermofuse is positioned; the binding wire passes through a gap between the support claw and the insulating bush, and is meshed crossly after being wrapped around the insulating bush; the two ends of the binding wire are tied together or wound firmly after being wound around the lead by at least one circle.

An improved bolt and bolt carrier with integral gas key having an extension nozzle threadedly secured and pinned to the gas key for use with a direct gas operated firearm is provided. The extension nozzle is designed to receive a portion of the host firearm's gas operating system. The firing pin retaining pin is oriented so as to expose its widest profile to the firing pin's annular flange, increasing its service life. The bolt has a plurality of lugs extending from its forward end. The extractor recess is constructed so that the face of the bolt is round and the adjacent lugs fully supported. The extractor engages approximately 17% more of a seated ammunition cartridge's rim as compared to the prior art AR15 / M16 extractor. The result is an improved bolt and bolt carrier which provides for increased operational reliability.

The invention relates to a package material horizontal casting shaping device. Wherein, it comprises core metal temperature-control pot, package metal temperature-control pot, core metal liquid irrigate tube, package metal crystallizer, drawing device, temperature tester, heating element and secondary cooler; and the producing method comprises the temperature of package metal is kept by the package metal temperature-control pot, passing through the package metal thermal-insulated chamber, irrigates into the casting mould formed by crystallizer and irrigate tube to be solidified into package metal tube; the core metal is solidified in the solidified package metal tube, with he package metal tube to form composite cast ingot; the cast ingot via second cooler is cooled and drawn by the drawing device, to be cut by cutter at certain length. The invention has simple process and lower cost, while the interface between package metal and core metal has non oxidization and non pollution.

The invention discloses an optimized operation control method and system of a distributed energy system. The method include: S1, collecting environmental information and actual operation data of a unit so as to acquire a change rule of cold and hot load of a distributed energy station user with season and moment, and establishing a cold, hot and electric load prediction model; S2, optimizing the cold, hot and electric load prediction model on line by introducing real-time calibration factors and the actual operation data of the unit; S3, on the premise that the energy utilization efficiency is met, establishing a dynamic optimized load distribution model according to the dynamic requirements of the predicated cold, hot and electric load by taking a whole-plant economic benefit optimization as an objective, and outputting dynamic optimized load distribution results; S4, based on the whole-plant economic benefit optimization, establishing an optimal combination model according to the dynamic optimized load distribution results, and outputting a unit operation optimization command. High-precision load prediction information can be acquired, a corresponding optimization command is formed, and online optimization control is performed on the load dynamics and unit operation.

The atmospheric corrosion resistant steel with yield strength of 700 MPa level has the chemical composition comprising C 0.05-0.10 wt%, Si not more than 0.50 wt%, Mn 0.8-1.6 wt%, P not more than 0.020 wt%, S not more than 0.010 wt%, Al 0.01-0.05 wt%, Cu 0.20-0.55 wt%, Cr 0.40-0.80 wt%, Ni 0.12-0.40 wt%, Ca 0.001-0.006 wt%, N 0.001-0.006 wt% and Fe and inevitable impurity for the rest. Its production process includes the following steps: 1. smelting and casting to form steel billet; 2. heating the steel billet to over 1200 deg.c, finish rolling at 950 deg.c in the final temperature lower than 910 deg.c and lowered with the increased plate thickness; and 3. cooling in the rate of 5-15 deg / s to 450-650 deg.c, winding and air cooling to room temperature. The atmospheric corrosion resistant steel has excellent comprehensive mechanical performance, yield strength over 700 MPa, high weather resistance and other advantages.

The invention discloses a drive control method for an all-electric car. The drive control method aim at solving the problems that division of working modes during a finished automobile driving running is not considered, a torque compensation function is not considered in the running process of other vehicles except flooring of an accelerator pedal, and united efficiency of a power component is not considered in goal torque setting. The drive control method for the all-electric car comprises the steps of utilizing a finished automobile controller to automatically identify a finished automobile working mode according to current finished automobile acceleration mean values and an acceleration mean square errors, and enabling the finished automobile working mode to be one of a common mode, a power mode and an economic mode; working out an expected torque Treq under the corresponding mode according to a goal working mode control strategy in the finished automobile controller after the working mode identification is finished; restraining and correcting the expected torque Treq according to a power limiting value strategy in the finished automobile controller after the expected torque Treq under the goal working mode is obtained, and if a finished automobile has no major failure at the time, outputting ultimate goal torque commands to a motor.

The invention provides a fiber-reinforced resin-based composite material core. The composite material core is prepared from a fiber-reinforced composite material core in the inner part and an insulating layer on the outer layer, wherein the insulating layer is a glass fiber layer and has the thickness of 0.2-2mm. According to the fiber-reinforced resin-based composite material core, the internal structure is uniform, a layering phenomenon difficultly occurs, the strength is high, the toughness is high, and the cost is reduced.

The present invention discloses separating method for converting methanol to prepare DMTO gas, and has improved process after four section compression in the front ethane eliminating process. The present invention has one increased hydrogenating oxygen conversion step between the five section compression and the reflux accumulator of ethane eliminating tower to eliminate acetylene and oxygen produced in the regeneration. Of the condensed and cooled material through the reflux accumulator of ethane eliminating tower, the liquid phase serves as the reflux liquid of the ethane eliminating tower, the gas phase is fed to the deep cooling methane eliminating system and the material after condensing and cooling enters the high pressure methane eliminating tower directly. The DMTO gas separating process can obtain ethylene recovering rate as high as 99.5 %.

An electrolytic capacitor comprising a plurality of polymeric structures molded about the periphery of the anode pellet is described. The polymeric structures contact between a weld strap surrounding the butt seam between mating “clamshell” casing portions and the anode pellet sidewall. That way, the anode pellet is restrained from moving along both an x- and y-axes inside the casing. Having the cathode active material contacting the opposed major casing sidewalls being in a closely spaced relationship with the anode pellet through an intermediate separator prevents movement along the z-axis. The resulting capacitor is particularly well suited for use in high shock and vibration conditions.

Disclosed is a cotton-free electronic cigarette, a heat-insulating and heat-dissipating component of a vaporizer device of the cotton-free electronic cigarette, and a method for heat insulation and heat dissipation. The heat-insulating and heat-dissipating component consists of a heat insulation sleeve and a vapor flow passage. The heat insulation sleeve is provided inside an outer pipe and outside a vaporizer unit. The heat insulation sleeve, the outer pipe and the vaporizer unit have a same central longitudinal axis. A method for heat insulation and heat dissipation of the cotton-free electronic cigarette comprises: dissipating heat generated from the vaporizer unit along the vapor flow passage formed between an exterior longitudinal flat surface of a liquid storage cup and the heat insulation sleeve, and discharging the heat outside the cotton-free electronic cigarette through thermal conductivity of the heat insulation sleeve.

The invention relates to a manufacturing method of a high-strength automobile aluminum-alloy rim material, which relates to a manufacturing method of automobile fitting materials. The manufacturing method comprises the following steps of: preparing materials; smelting; adding a refiner; adjusting components; refining; casting; quenching; carrying out aging treatment; and packaging to prepare the high-strength automobile aluminum-alloy rim material which comprises 0.4-0.8 percent of Si, 0.8-1.2 percent of Mg, 0.16-0.22 percent of Ti, 0.2-0.3 percent of Zn, 0.6-0.8 percent of Fe, 0.15-0.4 percent of Cu, 0.08-0.32 percent of Cr, 0.1-0.2 percent of Mn, 0.02-0.06 percent of RE rare earth, 0.02-0.06 percent of Zr, 0.02-0.06 percent of Sr and the balance of Al. The invention has reasonable process parameter and simple manufacturing method, and the manufactured aluminum-alloy rim material has the advantages of high strength, good mechanical performance and the like and is suitable for being popularized and used in small, medium and large automobiles.

Disclosed is a wireless charging system with multi-load frequency adaptability. A primary electric energy transmitting device comprises a rectifying and filtering circuit, a DC / DC conversion circuit, a drive and control circuit, an inverse circuit, a transmitting coil, an information receiving and processing circuit, a resonance compensation capacitor array and a resonance compensation inductor array. A secondary electric equipment device comprises a receiving coil, a resonance compensation circuit, a high-frequency rectifying and filtering circuit, a drive and control circuit, an information management and feedback circuit, a DC / DC conversion circuit and a battery. The information receiving and processing circuit of the primary electric energy transmitting device receives feature information fed back by the information management and feedback circuit of the secondary electric equipment device by means of wireless bluetooth communication, electric energy output frequency of the inverse circuit is controlled according to the feature information, and a working mode of the primary electric energy transmitting device is determined according to capacitor and inductor combination modes in the resonance compensation capacitor array and the resonance compensation inductor array.

The invention relates to a multiple biological characteristic identification-based intelligent door control system, which comprises a voice acquisition device and an image acquisition device, wherein a door controller receives a voice signal and a human face image signal acquired by the image acquisition device respectively; the output end of the door controller is connected with a data processor and an electric control door lock respectively; the door controller transmits the received voice signal and the human face image signal into the data processor; the data processor extracts characteristics from the received voice signal and the human face image signal respectively, performs identification according to the acquired voice signal and the human face image signal and performs normalization and classification fusion treatment on the corresponding signals after the characteristics are extracted; the data processor compares the corresponding signals obtained after the classification fusion treatment with a preset sample base; and when the signals obtained after the classification fusion treatment are matched with the corresponding signals in the sample base, the door controller opens the electric control door lock. The multiple biological characteristic identification-based intelligent door control system improves the reliability of identification, has high accuracy and is convenient in identification, safe and reliable.

The invention relates to an energy-saving drive circuit of a motor, and aims to provide a super capacitor-based energy-saving drive circuit of a motor and a control method. The main circuit of the circuit consists of a super capacitor bank, a super capacitor charge / discharge management circuit, a controllable rectifying circuit, a controllable rectifying control circuit and the like. Impact to a power grid when an elevator runs is reduced by optimized control of the controllable rectifying circuit and the super capacitor charge / discharge circuit and absorption of running power peak of the elevator, the controllable rectifying circuit bears the smooth part of the electric and generating power of the motor and has emergency power supply function after the elevator is cut off electricity, and the super capacitor and a DC bus form through connection in a normal state to achieve high efficiency. The drive circuit has the advantages of compact line and high integral work efficiency, the service life of the super capacitor is prolonged, and the integral technical and economic performance of the energy feedback elevator is improved. The drive circuit is particularly suitable for driving the energy feedback energy-saving elevator, and is also suitable for motor energy-saving drive situations of a crane and the like.

The invention, which belongs to the technical field of printer consumables, provides a consumable chip and a communication method thereof, and a system and method for communication between a consumable chip and an imaging device. The communication method comprises: command encrypted data sent by an imaging device are decrypted and restored into command data; command processing is carried out basedon the command data and command feedback data are generated; and the command feedback data are encrypted to generate command feedback encrypted data and the command feedback encrypted data are sent to the imaging device, wherein the command feedback encrypted data are decrypted in the imaging device to restore the command feedback data. The consumable chip comprises a decryption unit for carryingout decryption and restoration on command encrypted data sent by an imaging device, an execution chip for carrying out command processing based on the command data and generating command feedback data, and an encryption unit for encrypting the command feedback data, generating command feedback encrypted data, and sending the command feedback encrypted data to the imaging device. The encrypted communication is simple; and a phenomenon of cracking the communication data by reverse analysis of the communication waveform is avoided.

A method for optimizing the flexible constraints of an electric power system includes a step S1 of expressing the total power generation cost of the electric power system by using the sum of quadratic functions of active power outputs of all generator sets in the system and constructing an objective function, a step S2 of selecting a multi-dimensional flexible optimization model or a flexible power generation cost optimization model according to the practical situation of the electric power system and the practical purpose of optimization, a step S3 of determining the operating conditions of the electric power system, and a step S4 of carrying out load flow calculation.

A polymeric cradle molded about the periphery of an anode pellet in an electrolytic capacitor is described. The polymeric cradle contacts between a welding strap surrounding the butt seam between mating “clam shell” casing portions and the anode pellet sidewall. This prevents the anode pellet from moving along both an x- and y-axes. Having the cathode active material contacting the opposed major casing sidewalls being in a closely spaced relationship with the anode pellet through an intermediate separator prevents movement along the z-axis. The resulting capacitor is particularly well suited for use in high shock and vibration conditions.

The invention discloses a data encryption mobile storage management method based on a virtual disk. The method includes the following steps: 1) writing an encryption roll identification in the head portion of the mobile storage device and building a virtual magnetic disc encryption roll in the mobile storage device; 2) checking the encryption roll identification when the mobile storage device is inserted in a designated computer and processing as a common mobile storage device if the encryption roll identification is not correct and executing the next step otherwise; 3) checking encryption roll information head of the virtual disc according to a mounting command and executing the next step if the check passes; 4) mounting the encryption roll of the virtual disk, calling virtual disk drive program with an encryption and decryption module to read and write the virtual disk encryption roll, enabling the encryption and decryption module to encrypt and decrypt in real time automatically and finally automatically unloading the virtual disk encryption roll when discharging the mobile storage device. The method has the advantages of being safe and reliable in information storage, flexible in security policy configuration, capable of simply and conveniently managing the portable storage device and high-efficient and transparent in data encryption and decryption processing.

The invention relates to ultrahigh-malleability tunnel supporting anchor pile steel of converter continuous cast billet and a production method, which belongs to the technical field of a mine anchor rod. The anchor rod steel comprises the following components by weight percent: 0.5 to 0.70 percent of carbon, 0.15 to 1.20 percent of silicon, 0.5 to 2.5 percent of manganese, less than or equal to 0.045 percent of phosphorus, less than or equal to 0.045 percent of sulfur, 0 to 1.00 percent of chrome, 0 to 1.00 percent of nickel, 0 to 1.00 percent of molybdenum, 0 to 0.30 percent of copper, 0.03 to 0.40 percent of vanadium, 0.01 to 0.2 percent of aluminum, 0 to 0.10 percent of titanium, 0 to 0.10 percent of boron, 0.001 to 0.0 percent of niobium, 0.004 to 0.020 percent of nitrogen, and iron for the surplus; the yield strength Rel is larger than or equal to 600 MPa, the percentage elongation delta 5 is larger than or equal to 20 percent, the impact strength is 20 DEG C, Akv is larger than or equal to 27 J, and the breaking load is larger than or equal to 300 KN. By adopting the production process flow of converter crude metallurgy, LF furnace fine metallurgy and full protection continuous casting, the steel grade has the advantages that the purity is high, the structure is dense, the grain is fine, the physical chemistry properties of the steel are stable, the over-all mechanical property is good, the production operation and process flow are simple, and the rolled metal finished product can be directly used without heat treatment to the rear part.