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57results about How to "Guaranteed to operate independently" patented technology

Charging control method and device for electric automobile, and electric automobile

The invention discloses a charging control method and device for an electric automobile, and an electric automobile. The charging control method for the electric automobile comprises the steps that the charging state, the state of charge (SOC) and the battery temperature of an automobile battery are obtained, so that the charging current required for charging the automobile battery is determined; the working states of power consumption assemblies of the automobile are obtained, and the working currents of all the first power consumption assemblies in the operating state are determined, so that the supply current required by the power consumption assemblies of the automobile is determined; the total current demand value is determined according to the charging current and the supply current; and charging of the automobile battery and power supply to the first power consumption assemblies are controlled according to the power supply capacity of a vehicle-mounted battery charger, the current-carrying capacity of a circuit and the total current demand value. According to the charging control method and device for the electric automobile, and the electric automobile, during power supply control, both the charging current of the automobile battery and the power consumption demand of the power consumption assemblies in the operating state are taken into consideration, current output of the battery charger is controlled according to the total power supply demand, it is guaranteed that all the assemblies of the automobile can operate independently without being affected by one another, and user experience is improved.
Owner:BEIJING ELECTRIC VEHICLE

Automatic production line for lithium battery

The invention discloses an automatic production line for lithium batteries. The automatic production line comprises a first production line for assembling battery cells, a second production line for assembling batteries, and a third production line for packaging batteries, which are sequentially arranged; the first production line comprises a first logistics line horizontally arranged on the ground and a shelling machine, a point bottom welding machine, a positive electrode face pad machine and a groove rolling machine which are sequentially arranged on one side of the first logistics line along the conveying direction of the first logistics line, the second production line comprises a second logistics line horizontally arranged on the ground and a liquid injection machine, a cap welding machine, a pre-sealing machine and a sealing machine which are sequentially arranged on one side of the second logistics line along the conveying direction of the second logistics line. The automatic production line for lithium battery is reasonable and ingenious in design, stable in performance, convenient to operate and maintain, and arranged with a safety protection alarm device, low in labor cost, high in production efficiency and product quality, and guaranteed to operate continuously and efficiently, the line is never stopped, the production is constantly produced, and a fully automatic intelligent factory is realized.
Owner:广东彩扬能源装备有限公司

Multiple chamber inflator

A multiple-chamber inflator (10) for a vehicle occupant protection system. The inflator (10) includes a housing (12) having a first end and a second end, and a divider disc (18) positioned in an interior of the housing (12) intermediate the housing ends to form a first (primary) propellant chamber (20) and a second (secondary) propellant chamber (22) within the interior of the housing (12). The divider (18) has a first surface (59) in communication with the first propellant chamber (20), a second surface (57) in communication with the second propellant chamber (22), and at least one aperture (60) extending between the first and second surfaces to provide fluid communication between the first propellant chamber (20) and the second propellant chamber (22). A pressure-resistant shim (62) fabricated from a low-melting point material is fixed on the divider first surface (59) over the at least one aperture (60) to block the aperture. The shim (62) is configured to melt upon exposure to a predetermined temperature generated by combustion of the propellant (48) in the first propellant chamber (20), thereby opening the at least one aperture (60). The shim (62) isolates the first chamber (20) from the second chamber (22). The shim (62) also facilitates an increase in pressure in the first chamber (20) during combustion of the first gas generating propellant (48), thereby increasing the efficiency of the combustion reaction in the first chamber (20).
Owner:AUTOMOTIVE SYST LAB

System for analyzing and monitoring mechanical and safety properties of transmission tower

The invention relates to a system for analyzing and monitoring the mechanical and safety properties of a transmission tower. The system includes monitoring mainframes (6) and load monitoring terminals(1), lead / holder temperature monitoring terminals (2), online pole tower tilting monitoring terminals (3) and an online micro-climate monitoring terminal (4) which are in separate connection to the monitoring mainframes (6). Each load monitoring terminal (1) is connected between a cross arm suspension point and the holder. Each lead / holder temperature monitoring terminal (2) is fixed to an overhead conductor and a metal holder. The online pole tower tilting monitoring terminals (3) are fixed to the tower. The online micro-climate monitoring terminal (4) is welded to a cross beam. The monitoring mainframes (6) are welded to the two sides of the tower. Compared with prior art, according to the invention, the system has the characteristics of simple structure and scientific design, eliminates influence among respective monitoring terminals, can works independently and normally in extreme bad weathers, and also has the characteristics of low power consumption and wide application range.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER

Implementation method and system based on workflow engine approval system

The invention discloses an implementation method and system based on a workflow engine approval system. The method comprises the following steps: creating an approval workflow processing flow template, and obtaining and storing a corresponding unique template according to a unique identifier; obtaining organization and role list information, synchronizing to a workflow, and storing a process definition; issuing an enterprise approval workflow; calling an examination and approval workflow through the allocated code, generating a receipt by a foreground, judging whether the enterprise category has a process starting permission, and generating an MQ message to notify a process starting state; starting an approval process, wherein approval users of all process nodes approve the workflow process; and updating process execution table information, storing a return process list, returning a process to execute a unique identifier encryption action, and ending the approval process. The method and the system have the beneficial effects that cross-enterprise approval is realized by flexibly enabling an organization structure to be independent, providing a configurable model, dynamically creating nodes and configuring a workflow approval process, and an efficient intra-enterprise and cross-enterprise collaborative approval process is created.
Owner:中企云链(北京)金融信息服务有限公司

Solar-assisted reheat overheating thermal power generation system and emission reduction dilatation method

ActiveCN104454409AIncrease the superheated surfaceIncrease reheat surfaceFrom solar energyMachines/enginesSuperheaterEngineering
The invention discloses a solar-assisted reheat overheating thermal power generation system and an emission reduction dilatation method. The solar-assisted reheat overheating thermal power generation system comprises a boiler, a flue gas overheater, a solar overheater, a solar reheater, a flue gas reheater, a turbine, an electric generator, condensers and a circulating pump. The boiler, the flue gas overheater, the solar overheater, the turbine, the condenser, the other condenser and the boiler are connected in sequence to form a loop. A turbine low-pressure cylinder inlet, the solar reheater, the flue gas reheater and a turbine high-pressure outlet are connected in sequence to form a loop. The turbine is connected with the electric generator. According to the solar-assisted reheat overheating thermal power generation system and the emission reduction dilatation method, solar heat storage heat exchangers serve as the reheaters and the overheaters, the overheating surfaces and the reheating surfaces of an existing thermal power generation system are increased, partial functional replacement of coal by solar energy is achieved, the purposes of emission reduction and dilatation are achieved, and the purposes that the solar energy is economically utilized and emission by existing power stations is lowered are achieved.
Owner:ZHEJIANG UNIV

Temperature control precision improving device of forging mechanical press

ActiveCN110538956AStable accuracyImprove overall accuracyForging press drivesHeating/cooling devicesMachine pressWear resistant
The invention discloses a temperature control precision improving device of a forging mechanical press. The device comprises a crankshaft bearing bush and eccentric body bush temperature control device, and further comprises a sliding block guide rail temperature control device and a ball head temperature control device; the sliding block guide rail temperature control device comprises temperaturecontrol channels arranged at the front left side, the front right side, the rear left side and the rear right side of a sliding block, the temperature control channels are arranged at the position, provided with a guide rail plate, in the sliding block, and each temperature control channel is provided with an air inlet and an air outlet; and the ball head temperature control device comprises a wear-resistant copper pad arranged in a ball head seat, a ball head screw rod doses relative movement in the wear-resistant copper pad, the wear-resistant copper pad is connected with the ball head seatthrough a screw, a seal ring is arranged between the wear-resistant copper pad and the ball head seat, and a spiral temperature control channel is arranged on the fitting surface of the ball head seat and the interior of wear-resistant copper pad. According to the device, the temperature of the guide rail plate is controlled to be stable, the guide rail plate can not be expanded due to heating temperature rise, the precision of a sliding block guide rail is kept stable, the stability of the ball head screw rod and the ball head seat is guaranteed, and the overall precision, production efficiency and machined product quality of the forging mechanical press are improved.
Owner:RONGCHENG HUADONG METAL FORMING MACHINERY +1

Device for improving temperature control precision of hot die forging press

A device for improving temperature control precision of a hot die forging press comprises a worktable temperature control device and a sliding block temperature control device, wherein the worktable temperature control device includes a first temperature control channel arranged at the bottom part of a worktable and on the contact surface of a device body, the first temperature control channel isprovided with an air inlet and an air outlet, the air inlet of the first temperature control channel is connected with a cool-air system through a pipeline, and a temperature sensor is arranged in each of temperature measuring holes in the worktable; the sliding block temperature control device includes a second temperature channel arranged in a sliding block and on the contact surfaces of slidingblock guide plates at the front part and the rear part of the sliding block, and the second temperature control channel is provided with an air inlet and an air outlet. The temperature of the slidingblock and the temperature of the worktable are each controlled to be at a stable level, and deformation caused by temperature rise due to heating cannot be generated; meanwhile, continued conductionof the heat of a high temperature forged part is blocked, so that the phenomenon that the precision of other moving parts is changed due to heat conduction is avoided, and the overall precision, the production efficiency and the processed product quality of the hot die forging press are improved.
Owner:RONGCHENG HUADONG METAL FORMING MACHINERY +2

Solar energy auxiliary re-heat and back-heat thermal power generation system and emission reduction and dilatation method

The invention discloses a solar energy auxiliary re-heat and back-heat thermal power generation system. A boiler is sequentially connected with a stream turbine, a condenser, a main circulation pump, a bleeder heater to form a main circulation circuit; a condenser mirror field focuses the sun light to a solar energy heat absorber; the solar energy heat absorber, a solar energy high temperature re-heater, a solar energy back-heat re-heater, a secondary circulation pump, the solar energy heat absorber are sequentially connected with to form a secondary circulation circuit; the inlet of a low pressure cylinder of the stream turbine is sequentially connected with the solar energy high temperature re-heater and the outlet of a high pressure cylinder of the stream turbine to form a re-heat circuit; a re-heat extraction opening of the low pressure cylinder of the stream turbine is sequentially connected with the solar energy back-heat re-heater, the bleeder heater; the stream turbine is connected with an electric generator. According to the solar energy auxiliary re-heat and back-heat thermal power generation system and an emission reduction and dilatation method, by the adoption of solar energy secondary circulation, the goal of reducing coal consumption and improving system total power is realized through increasing re-heat field and back-heat re-heat. On a basis of taking full advantage of the solar energy, the original system can automatically operate and the function of utilizing the solar energy thermal storage to meet the supply energy demand of adjusting peaks and valleys of the system is achieved.
Owner:ZHEJIANG UNIV

Integrated digital sound effect processing audible device based on Android system and operation method thereof

The invention discloses an integrated digital sound effect processing audible device based on the Android system and an operation method thereof. The device comprises a digital sound effect chip and an intelligent terminal with the Android system. A control module, a Linux inner nuclear layer, an Android frame layer and an Android application layer are arranged inside the Android system, and the Linux inner nuclear layer, the Android frame layer and the Android application layer are connected in order from bottom to top. One end of the digital sound effect chip is connected with the Linux inner nuclear layer. The other end of the digital sound effect chip is connected with an input end of an audio frequency amplifier. The output end of the audio frequency amplifier is connected with a woofer. The intelligent terminal is electrically connected with the input end of the control module. The output end of the control module is in wireless communication connection with the Linux inner nuclear layer and the digital sound effect chip. The Android operation system and the digital sound effect chip are combined, thus the audible device is equipped with the Android operation system, integrated digital sound effect processing is achieved, intelligent control and independent operation can be ensured, effective processing of a digital audio frequency signal can be carried out, and thus the audible device can meet market demands.
Owner:深圳市东方智通科技有限公司

Tree-shaped optical fiber distribution system whole network upgrade control method and device

The embodiment of the invention provides a tree-shaped optical fiber distribution system whole network upgrading control method and device. The method comprises the steps that an upgrading data packetis issued to target equipment through a special upgrading data interaction channel; and if it is determined that the response information of the target device for the upgrade data packet is not received within the first time threshold, a data communication link state with the target equipment is monitored, and the target equipment is upgraded according to the data communication link state. According to the tree-shaped optical fiber distribution system whole network upgrade control method and device provided by the embodiment of the invention, upgrade is carried out through the special upgradedata interaction channel, the upgrade is independent from a normal service channel and does not influence each other, and independent operation of an upgrade process and a service process is ensured.And when upgrading is abnormal, the target equipment is upgraded again by monitoring the state of the data communication link between the MU and the target equipment, so that manual on-site upgradingis avoided, whole-network synchronous upgrading can be realized, the upgrading efficiency is high, the operation is simple and convenient, and the success rate is high.
Owner:武汉信科移动通信技术有限公司

Forging machinery press temperature control accuracy improvement device

The invention discloses a temperature control precision improving device of a forging mechanical press. The device comprises a crankshaft bearing bush and eccentric body bush temperature control device, and further comprises a sliding block guide rail temperature control device and a ball head temperature control device; the sliding block guide rail temperature control device comprises temperaturecontrol channels arranged at the front left side, the front right side, the rear left side and the rear right side of a sliding block, the temperature control channels are arranged at the position, provided with a guide rail plate, in the sliding block, and each temperature control channel is provided with an air inlet and an air outlet; and the ball head temperature control device comprises a wear-resistant copper pad arranged in a ball head seat, a ball head screw rod doses relative movement in the wear-resistant copper pad, the wear-resistant copper pad is connected with the ball head seatthrough a screw, a seal ring is arranged between the wear-resistant copper pad and the ball head seat, and a spiral temperature control channel is arranged on the fitting surface of the ball head seat and the interior of wear-resistant copper pad. According to the device, the temperature of the guide rail plate is controlled to be stable, the guide rail plate can not be expanded due to heating temperature rise, the precision of a sliding block guide rail is kept stable, the stability of the ball head screw rod and the ball head seat is guaranteed, and the overall precision, production efficiency and machined product quality of the forging mechanical press are improved.
Owner:RONGCHENG HUADONG METAL FORMING MACHINERY +1

Precise and efficient hot die forging press

ActiveCN113245490AImprove the ability to resist heavy loadExtended service lifeUpsetting pressesSwagging pressesClutchAutomatic control
The invention relates to the field of high-end equipment manufacturing industry, in particular to a precise and efficient hot die forging press. The precise and efficient hot die forging press comprises a rack, wherein a forging extrusion force heavy load regulation and control device, a pressure pin unloading device, a crankshaft bearing bush temperature control device, a sliding block guide rail temperature control device, a ball head temperature control device and a clutch temperature control device which are connected with a control system are arranged on the rack respectively. The forging extrusion force heavy load regulation and control device can automatically and accurately regulate and control the magnitude of forging extrusion force under the heavy load condition, and the pressure pin unloading device can float a pressure pin upwards, so that the rotating torque and resistance in the transmission link are reduced; the crankshaft bearing bush temperature control device is adopted for accurately controlling the temperature of a bearing bush, and meanwhile efficient sealing thin oil lubrication is conducted; the clutch temperature control device is adopted to realize accurate and efficient temperature control of a clutch; and the sliding block guide rail temperature control device and the ball head temperature control device are adopted for conducting cold air temperature control on a friction pair, so that the transmission precision, efficiency and reliability of equipment and the product quality are effectively improved, and intelligent operation and maintenance and automatic control wiring are achieved.
Owner:RONGCHENG HUADONG METAL FORMING MACHINERY

Intelligent library system

The invention discloses an intelligent storehouse system which comprises a plurality of archival repositories, wherein each archival repository is provided with a local network; the local networks of every two archival repositories are connected through the Internet; a plurality of subsystems are arranged in the archival repositories; each subsystem is provided with a standard service interface and is connected with an archival repository local network bus so as to be in communication connection with a main controller; the main controller is connected to a central control platform and communicates with the central control platform; the plurality of subsystems comprise an archival repository environment management system, an archival data management system, an archival security management system and an archival density shelf control system; the archival repository environment management system is in communication connection with the archival security management system and the archival density shelf control system through the main controller; the archival data management system is in communication connection with the archival data management system through the main controller. By adopting the system, the uniform management on various pieces of equipment in the archival repositories is achieved, and the intelligent linkage of the subsystems is achieved.
Owner:北京融安特智能科技股份有限公司

Double-acting unlocking mechanism suitable for underwater equipment and unlocking method of unlocking mechanism

The invention discloses a double-acting unlocking mechanism suitable for underwater equipment. The mechanism comprises an upper flange and a lower flange, the upper flange and the lower flange are connected through a locking ring of a tooth meshing type structure, after the locking ring rotates by an angle, locking and disengaging work of the upper flange and the lower flange is achieved, and the upper flange and the lower flange are separately connected with target objects; two translation unlocking units are symmetrically arranged on the inner wall face of the locking ring, and a rotation unlocking unit is further installed on the inner wall face of the locking ring; and the translation unlocking units and the rotation unlocking unit are mutually independent. Through mutual cooperation of a translation unlocking mechanism and a rotation unlocking mechanism, the two sets of unlocking units which adopt different principles and independently operate are adopted, each set of unlocking unit has the capacity of unscrewing the locking ring, and anti-interference design is adopted, so that mutual retardation in the operation process is avoided, the working resistance is reduced, and the unlocking reliability is improved.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)
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