589results about How to "Avoid circulation" patented technology

An automatic continuously height adjustable table comprises a load board, at least one kingpost and a controller. The controller utilizes a time unit to set time parameter which the extension time of the kingpost corresponds to. The controller utilizes a count unit to set height parameter which the extension height of the kingpost corresponds to. Consequently, the load board will rise or lower automatically, continuously and periodically along with the kingpost, thus compelling the user to change his postures.

The invention relates to a battery energy storage system based power conversion system and a control method thereof. The power conversion system comprises a battery energy storage system, a bidirectional DC / DC (direct-current) converter, a grid-side current transformer, a filter circuit and an isolated voltage transformer. The battery energy storage system is in parallel connection with a direct-current bus of the grid-side current transformer through the bidirectional DC / DC converter; the grid-side current transformer, the filter circuit and the isolated voltage transformer are connected in sequence; and the isolated voltage transformer accesses to a power grid. The control method includes sequentially monitoring the battery energy storage system, the bidirectional DC / DC converter, the grid-side current transformer, the filter circuit and the isolated voltage transformer by a control circuit. Since the battery energy storage system utilizes battery cells connected in series and is in parallel connection with the common direct-current bus through the bidirectional DC / DC converter, circulation among battery packs is avoided, and capacity expansion of the system is facilitated. Further, by the aid of the monitoring control strategy for SOC (super capacitor state of charge) of the battery energy storage system and battery end voltage, excessive charge or discharge state of the battery energy storage system is avoided, service lives of the battery packs are prolonged, and comprehensive service cost is lowered.

The invention relates to distributed photovoltaic power optimizers and a control method. When series connection and parallel connection of photovoltaic modules are mismatched due to factors such as partial or intermittent shielding or aging of photovoltaic arrays, the control method is more obvious in effect. The control method is characterized in that after directly attached to photovoltaic modules, the power optimizers are connected through a series connection framework, and the power optimizers in the series connection framework firstly obtain voltage signals and current signals of the photovoltaic modules connected with the power optimizers and directly perform maximum power tracking on the single module, so that the photovoltaic modules output maximum power, and results are transmitted to a central controller. The central controller receives the maximum power calculated by each optimizer, voltage and current conditions of the shielded modules are monitored, and the voltage and current output by all the modules are coordinated through calculation. The control method not only can ensure that each photovoltaic module works at an optimal working point, but also can enable setting of bus voltage to be more flexible and stable, and the system can serve as a direct-current power supply and also be used for an independent or grid-connection photovoltaic system.

A battery pack parallel charging device comprises n groups of charging branches, a power module and a battery manager. The charging branches are connected parallelly, each charging branch consists of a battery pack and a switch which are serially connected, and n is the number of the branches of the charging branches; the power module is respectively connected with the switches of the charging branches; and the battery manager is respectively connected with the battery packs and the switches of the charging branches, is used for acquiring voltage of the battery packs in the charging branches, and controls the switches in the corresponding charging branches to be sequentially switched on according to the voltage of the battery packs in the charging branches from low to high. The shortcoming that high ring current is generated among existing battery packs when the existing battery packs are parallelly charged, harmful effects on the existing battery packs and devices in branches are generated, and the existing battery packs and the devices can even be damaged is overcome. By the aid of the battery pack parallel charging device, ring current among the battery packs is greatly reduced, and accordingly safety charging of the battery packs is guaranteed.

A targeting apparatus for the correction of the deformity in proximal femur of a child is disclosed and includes a retention assembly; a cylindrical nail retention member tapered toward its half-spherical bottom end and including an upper through hole, a lower through hole, and a top cavity having inner threads for releasably secured to the retention assembly; a first locking nail including a forward threaded portion, an enlarged head, and a retaining recess in the head thereof; and a second locking nail including a forward threaded portion, an enlarged head, and a retaining recess in the head thereof. The invention has the advantages of reducing the area of wound when implanting the locking nails in the femur and saving labor during surgery.

The invention provides a novel kitchen garbage fermentation device and a usage method, which belongs to the environmental protection device field. The device provided by the invention comprises a U-shaped fermenter, a feed inlet, a discharge port, a fragmentation stirrer, a variable frequency motor, a blower, a ventilation duct, an air vent, a microbe inlet pipe, a charging nozzle, an electric heating pipe, a water interlayer, a protection layer, a deodorizing tower, a support and the like. The fragmentation stirrer is composed of a stirring horizontal shaft, a blade support and a triangle cone blade with arc bottom. Several electric heaters are arranged in the interlayer of a double layer U-shaped fermenter. The variable frequency motor drives the fragmentation stirrer to perform fragmentation stirring on the kitchen garbage. The electric heating pipe heats the water interlayer so that the temperature of the fermenter can be kept between 40-60 DEG C, air is introduced in the ventilation duct through the blower, and a microbe liquid bacteria agent is inoculated in the fermenter through a nozzle on the microbe inlet pipe. The product is discharged out of the fermenter through the discharge port, thereby the minimization of the kitchen garbage can be realized, and the product can be used as a soil organic fertilizer conditioning agent.

A two-dimensional code dynamic anti-fake information intelligent tracing system based on a network comprises an anti-fake label, an identity identifying terminal, a communication network, an anti-fake information tracing system and an anti-fake tracing basic information management system. The identity identifying terminal is used for identifying the anti-fake label and sending anti-fake label information to the anti-fake information tracing system through the communication network. The anti-fake tracing basic information management system is connected with the anti-fake information tracing system and used for typing in anti-fake information. The anti-fake label comprises a two-dimensional code label. The identity identifying terminal comprises a two-dimensional code scanner and a network transmission device. The anti-fake tracing basic information management system comprises a two-dimensional code generating device and a two-dimensional code product information remote network management platform. According to the two-dimensional code dynamic anti-fake information intelligent tracing system based on the network, the condition of product distribution flow link execution can be effectively monitored, controlled and supervised, the authenticity of products can be verified reliably and an advanced technology guarantee and a monitoring system are offered to market supervision enhancement of supervising departments such as government quality testing departments, industry and commerce departments and food and drug security departments.

The invention discloses a device for measuring the thickness of a battery. The device comprises a base (1), wherein a to-be-measured battery is arranged at the top part of the base (1); the left end wall of the base (1) is connected with a side bracket (3); a dial gauge bracket (6) is transversally arranged on the left side at the top part of the side bracket (3); a dial gauge (13) is arranged at the top part on the right end of the dial gauge bracket (6); the bottom surface of the dial gauge (13) is connected with a dial gauge stick (14); and the dial gauge stick (14) is located right above the base (1). The invention discloses the device for measuring the thickness of the battery; and the device rapidly efficiently measures the thickness of the battery, can efficiently avoid measurement errors caused by the deformation of the battery, greatly improves the thickness measurement efficiency for the battery, further reduces the manufacture cost of the battery, improves the whole production quality of the battery, and broadens the market prospect of the battery manufacturer.

The invention provides a method and a system for processing bill crown word number information. The method comprises the following steps of: acquiring crown word number pictures of bill passing through automated teller machine (ATM) equipment by the ATM equipment; carrying out image identification processing on crown word numbers in the crown word number pictures to identify crown word number contents in the crown word number pictures; and storing the crown word number contents, the crown word number pictures and trade information of the bill on the ATM equipment, and the corresponding relation of the crown word number contents, the crown word number pictures and the trade information to a database, and establishing a searching system for searching the crown word number contents, the crown word number pictures and the trade information. According to the method and the system for processing the bill crown word number information, the crown word number contents of the bill passing through the ATM equipment can be accurately identified, information search basis can be provided for banks or clients of the banks to review and search the circulation information of the bill, and the quick search of the crown word number contents and the trade information of the bill passing through the ATM equipment can be realized; and therefore, the circulation of counterfeit money on the ATM equipment can be effectively avoided.

The embodiment of the invention discloses a resource uploading and resource requesting method in a blockchain. The resource request method in the blockchain includes the steps that a super node in a service domain receives a request of a user node, wherein the resource request of the user node includes a resource feature value; the super node searches for segment storage information, correspondingto a content resource, in an alliance chain according to the resource feature value, and returns the segment storage information to the user node; the super node calls an intelligent contract corresponding to the resource feature value in a public chain to declare a current resource service process; the user node downloads the resource data according to the segment storage information; the user node calls the intelligent contact corresponding to the resource feature value in the public chain to pay the benefits of the parties in the current resource service process. According to the technicalsolution provided by the embodiment of the invention, the method makes the copyright information and the benefit distribution rule of a content resource be transparent in the public chain, improves the initiative of resource sharing, and reduces the risk of resource loss in the process of resource access.

A device for protecting an electrical installation (2) against overvoltages, the device having a main spark-gap (E1) and a pre-triggering circuit (10) connected to the main spark-gap (E1) to control the firing of the main spark-gap in the event of any overvoltage. The pre-triggering circuit (10) has at least one voltage-interrupting element (G) which, in the off state, prevents current from passing through the pre-triggering circuit (10), so that, in the absence of an overvoltage, the leakage current consumed by the pre-triggering circuit (10) is essentially zero.

A paying method of electronic bill based on network includes storing multiple bill for payment purpose and user data of these electronic bills; generating electronic bills corresponding to stored bills for payment purpose; forming said electronic bill by a mount of money, bill period, signature person and bill right transfer information being used as unique information to be logged in by user; logging in bill right transfer information by paying party and making said transfer information be corresponded to user data on electronic bill of paid party.

The invention discloses a block assembly type yielding hollow grouting anchor rod. The block assembly type yielding hollow grouting anchor rod comprises a hollow anchor rod body, a hollow anchor cablerod body, a yielding device, a tray, a nut, a slurry stopping plug, an anchor cable hoop sleeve and a chambering device, wherein the yielding device, the tray, the nut and the slurry stopping plug are arranged on the hollow anchor rod body, the anchor cable hoop sleeve and the chambering device are arranged on the hollow anchor rod body, and the hollow anchor rod body is connected with the hollowanchor cable rod body through a connecting sleeve. The block assembly type yielding hollow grouting anchor rod can give full play to the advantages of an anchor rod and an anchor cable, not only canthe hanging action of the anchor rod to shallow surrounding rock be utilized, but also the stability of deep surrounding rock can be improved by utilizing the anchor cable, favorable independent and multipoint yielding effects on the hollow anchor rod body can be achieved by the yielding device, the whole harmony of the hollow anchor cable rod body is improved by a anchor cable hoop, multipoint grouting is realized by the chambering device, the rod body length can be freely adjusted according to requirement, and on-site construction and adjustment are convenient.

The invention discloses a portable valuable file identification device comprising portable equipment, wherein a camera head is arranged on the portable equipment; the camera head is additionally provided with an infrared filter; and the portable equipment is also provided with an acquisition module for acquiring original infrared images of valuable files, a preprocessing module for carrying out image smoothness, image restoration and image segmentation on the original infrared images, a projection correction module for carrying out projection correction on the valuable file images and an identification module for identifying the truth or the falsity of the valuable files. The portable valuable file identification device is simple in operation high in identification accuracy and can bring great convenience to users.

A pet bed comprising a one-piece body including a base having a top surface, a wall structure, and a recessed space. The one-piece body is molded from a polyurethane visco-elastic foam material having a thermal response characteristic. The top surface is provided with a complex, three-dimensional surface contour having a concave contour component. The wall structure cooperates with the top surface to form and define a “nesting cradle”. The recessed space is provided to receive and retain any of a number of accessory, complementary, or otherwise desirable items. The solid, one-piece molded construction decreases production costs and increases product durability and longevity over prior art multi-piece pet beds, and the memory foam material and complex surface contouring work to avoid pressure points and provide even weight distribution, thereby minimizing loss of circulation and resulting numbness and resulting in more restful sleep.

The invention relates to a security check system capable of recognizing prohibited articles based on the ray technology and deep learning, and the system is characterized in that the system comprisesa nuclear density meter, a spectrum analyzer, an X-ray security detector, a GPS module, a wireless communication module, a microcontroller, a power module, an alarm module, and a display module; the X-ray security detector stores a collected X-ray transmission image and corresponding image position information in the image storage module, and the function of the microcontroller is to realize the segmentation of an article image and recognize whether a sub-image is an image of a suspicious prohibited item or not, so as to facilitate further identification and confirmation; the wireless communication module realizes the communication of the nuclear density meter, the spectrum analyzer and the X-ray security detector with the microcontroller. The structure chart of a designed security check device consists of a conveyor belt (1), a device housing (2), a ZA150180 channel X-ray machine (3), a DensityPRO (4), a CMS-2S fast spectrum analyzer (5), and an alarm (6). The system achieves the recognition of the suspicious prohibited item through the knowledge of deep learning, and then combines with the nuclear density method and the spectrum imaging technology for further confirming the suspicious prohibited item.

The invention provides a preparation process of a stainless steel tube. The preparation process is characterized by comprising the following steps: continuously polishing the outer surface of the steel tube; cold-rolling the polished steel tube by LG and LD rolling mills; performing degreasing on the cold-rolled steel tube; cleaning the inner wall of the degreased steel tube by stray bullets; drying the steel tube with the inner wall cleaned by the stray bullets by drying equipment; carrying out non-oxidizing thermal treatment on the dried steel tube; straightening the steel tube after non-oxidizing thermal treatment for changing the straightness of the steel tube; carrying out fixed-length cutting on the straightened steel tube; carrying out surface treatment on the steel tube after fixed-length cutting; cleaning the inner wall of the steel tube after surface treatment by the stray bullets; and then detecting flaws and printing codes. According to the invention, a conventional process is improved by multiple steps so as to ensure that the steel tube produced by the preparation process has the characteristics of high precision, high degree of finish and high corrosion resistance.

An information signal reproducing apparatus for reproducing an information signal from a recording medium on which the information signal, including added copy control information is recorded, comprising a first detector for detecting whether the information signal read out from said recording medium is encrypted or not-encrypted and for producing an output representative thereof; a second detector for detecting said copy control information from the information signal read out from the recording medium and for producing an output representative thereof; and a controller for selectively restricting reproduction of the information signal based on the outposts of the first detector and the second detector.

Paper sheets put into an input unit are fed one by one, transported, and authenticated. Paper sheets judged not to be processed and a result of the authentication, that is, judged to be forged paper sheets are contained in a dedicated storage and collected. Data such as the images of the paper sheets, printed contents, and dates and times are stored.

The invention discloses a totally enclosed cradle and a construction method for suspending cast of concrete by using the same. The cradle comprises a walking system and an anchoring system. The walking system is in traction connection with a bearing device of a bottom die platform which is connected on the bearing device and the cast box girder through a hanger system. A closed protective system is arranged along the periphery of the bottom die platform. The anchoring system anchors the bearing device on the cast box girder. The closed protective system comprises a cradle top cover and a protective structure at the periphery of the cradle. The closed protective system and the bottom die platform surround a totally closed construction space. The structure seals the cast-in-place concrete in construction inside with effect of nourishing the indoor concrete and avoiding fear of heights of operating personnel. The construction method realizes splicing, forward walk and anchoring and retreat of the cradle simply and conveniently, and is suitable for occasions where the cradle cannot be dismounted above because high speed road, rail way line and the like are below.

The invention relates to wireless communication technology and image processing, red light, purple light, laser banknote identification technology and identification method, banknote identification mobile terminal, the mobile terminal is equipped with a camera and a display screen, and is characterized in that it is also equipped with A red light emitter, a purple light emitter, a laser emitter and a receiver for banknote authenticating, the receiver is connected with the mobile terminal microprocessor. The counterfeit identification method of the banknote identification mobile terminal includes identifying the authenticity of the banknote: if the banknote is genuine, the result will be sent to the currency security management center through mobile terminal communication, and the banknote flow direction will be provided for the currency security management center; if the banknote is fake banknotes, stolen banknotes or known illegal banknotes, the banknote information will be sent to the Currency Security Management Center to update the counterfeit banknote database. On the basis of retaining the basic communication functions of the original mobile terminal, the invention can detect and identify counterfeit banknotes in circulation, is convenient to use, checks banknotes quickly, and curbs the circulation of counterfeit banknotes.

The invention discloses an aluminum alloy energy-saving door and window system. Heat insulation rubber strips are added between the section material of a window frame and a sash, and an air cavity of hollow glass; thereby the gas among the hollow glass, the window frame and the sash is blocked off, and the space is divided into three air cavities so as to form a cold and thermal bridge multi-cavity structure; the heat insulation rubber strips between the window frame and the sash, and equal pressure sealing rubber strips receptively adopt high low rail cold and thermal bridge structures, and the space is divided into three air cavities by matching window frame side pressing rubber strips and sash side pressing rubber strips, thereby a cold and thermal bridge multi-cavity structure is formed. The section material outside the sash is a step-shaped structure, the air cavity of hollow glass is positioned on the identical line with a heat insulation chamber of the window frame, a sealing gasket is additionally arranged on the upper side of the hinge of the sash in advance, a water drainage cap of the window frame is a drainage type water drainage cap, and parallel flow guiding pieces which are arranged at intervals are arranged at the water outlet of the water drainage cap. The door and window system has the advantage that the heat preservation, waterproof and sound-insulation performances of an external window of a building can be greatly improved.

The invention provides a loudspeaker. The loudspeaker includes a casing, a magnetic circuit system accommodated in the casing, a diaphragm system and a driving device, and the diaphragm system includes a plurality of diaphragms arranged perpendicular to the moving direction of the driving device and arranged adjacent to the The diaphragm between the diaphragms is used to hinder the air circulation between the adjacent diaphragms, and the partition divides the space between the adjacent diaphragms into two cavities that are not connected to each other. The magnetic circuit system of the loudspeaker generates driving force, which is transmitted to the transmission member through the voice coil, and the transmission member simultaneously drives a plurality of the diaphragms, and the plurality of diaphragms vibrate at the same time, and the vibration phase same. The loudspeaker of the present invention is conducive to improving the sensitivity of the loudspeaker without increasing the size of the diaphragm.

Battery protection circuitry and method are disclosed. A battery is protected from a large current overdrawn condition by setting a discharge switch into a controllable conduction state. After the discharge switch is in the controllable conduction state, a tickle discharge current is gradually generated under control of a control signal. The trickle discharge current can be used to determine whether the large current overdrawn condition still exists. When the large current overdrawn condition is removed, the discharge switch is turned back on.

The invention discloses a current-charging-and-alternating integrated power battery system and a working method and an application thereof. The current-charging-and-alternating integrated power battery system comprises a fixing power battery pack and at least one alternating power battery pack, and power output terminals of the fixing power battery pack and the alternating power battery packs are connected with power input terminal of a driving motor and are further connected to power input terminals of a BMS power supply through a DCDC module at the same time; and the power output terminals of the BMS power supply are correspondingly connected to a fixing power battery management system, an alternating power battery management system and a main controller. The current-charging-and-alternating integrated power battery system can be applied to realize quick recharging of an electric vehicle or expansion of the power battery pack, the running mileage of the electric vehicle is increased, and mileage anxiety is relieved.

The invention discloses a charging and exchange integrated power battery system, a working method and application. The charging and exchange integrated power battery system comprises a fixed power battery pack and at least one exchange power battery pack. The power output terminal of the fixed power battery pack and the power output terminal of the exchange power battery pack are connected to thepower input terminal of a driving motor, and connected to the power input terminal of an auxiliary power source through a DCDC module. The power output terminal of the auxiliary power source is connected to the power input terminal of a fixed power battery management system, the power input terminal of an exchange power battery management system and the power input terminal of a main controller. The main controller performs information interaction with the fixed power battery management system, the exchange power battery management system and the DCDC module. Information interaction is performed between the fixed power battery management system and the fixed power battery pack. Information interaction is performed between the exchange power battery management system and the exchange powerbattery pack. Electric vehicles can be quickly charged, the volume of the power battery packs is expanded, the mileage of electric vehicles is increased, the mileage anxiety is relieved, and the driving experience is enhanced.

The invention discloses a distributed direct-current micro-grid composite energy storage control method. The method comprises super capacitor control and storage battery control. The super capacitor control comprises average voltage control and end voltage consistency control. The average voltage control can make an average bus voltage at a direct current composite energy storage outlet reach a rated voltage so as to enhance an overall voltage level of a system. The end voltage consistency control can maintain end voltages of a super capacitor to be the same and realize equalization output. The storage battery control comprises super capacitor end voltage control and state-of-charge (SoC) control. The super capacitor end voltage control can maintain a super capacitor end voltage level. The SoC control makes output power of a storage battery distributed according to SoC and a single storage battery is prevented from being over-charged and over-discharged. By using the method of the invention, a distributed control problem of composite energy storage is solved. And the method is suitable for a direct-current micro-grid system which is connected in parallel to a multi-composite energy storage system (HESS).