58 results about "Value passing" patented technology

The invention relates to an Internet of Things data sharing method and system based on a block chain. The system comprises a certificate management module, a gateway module and a channel. The method comprises the steps that Internet of Things equipment applies for registration to a CA through a gateway module, and the CA returns a certificate to the gateway module and stores the certificate in a certificate management module in the gateway module; the gateway module receives and processes the data information and sends the data information to the node through the Fabric SDK; the node carries out endorsement and returns the endorsement to the Fabric SDK; the Fabric SDK sends the collected data information to a sorting service according to an endorsement strategy, and the sorting service sorts the data information according to a time sequence, packages the data information into blocks and broadcasts the blocks to nodes in a channel; and after receiving the block, the node verifies the block and writes the block into a local account book. On the premise that a single credible centralization mechanism is not used, the method helps participants to directly establish trust, guarantees that data can be safely shared, improves the value transmission efficiency, and reduces the risk that the data is tampered through a block chain data structure.

The invention belongs to the technical field of photovoltaic cell detection and provides a fault diagnosis method of a large-sized photovoltaic array, aiming at realizing the quick and accurate positioning of cell boards having faults. The fault diagnosis method of the large-sized photovoltaic array comprises the following steps of: connecting a plurality of cell boards in parallel to form a layer and then connecting in series to form a plurality of series layers; setting the number of the first layer of cell boards which are directly connected with current sensors to be L0, wherein the possibly generated maximum current value passing through the first layer is L0*Im, and the Im is the maximum current value which is generated by the cell boards under normal condition; if the work conditions are known, improving the Im as the work current under the condition and using the maximum current value of each layer of current sensor as a reference value for judging whether errors are generated or not; and detecting whether the L0 cell boards are subjected to faults or not. The invention is mainly applied to the photovoltaic cell detection.

The invention discloses an establishing method of an electronic wallet based on a block chain. The method comprises steps of 1) establishing a new transaction and issuing various types of assets; 2) carrying out the transaction and broadcasting transaction lists to the whole network through a P2 network; 3) carrying out transaction verification; 4) verifying results and broadcasting transaction results to the whole network after the transaction is finished; and 5) writing the transaction results into a block of a block chain. According to the invention, by use of the distributed account book technology, the digital asset flows and real cash payment on the block chain are connected, so in the global Internet market, the function of high-efficiency and low cost value delivery that the traditional financial mechanism cannot replace can be developed; a block chain credit system from the information to the value network is formed; the cryptography packet of each person can be developed into a 'self-finance' platform; and payment, depositing, transferring, exchange, loans and the bookkeeping and clearing in the whole network of the P2P can be achieved.

The invention discloses a ball screw assembly precision retaining ability testing device. A motor and a gearbox are arranged on a head frame supporting plate. An output shaft of the gearbox is connected with a dynamic torque sensor. The dynamic torque sensor is connected with the tested ball screw assembly through a coupling. A circular magnetic grid is arranged on the coupling. The circular magnetic grid is connected with the tested ball screw assembly. The head portion and tail portion of the tested ball screw assembly are fixed in a supporting mode through a head frame and a tail frame. An eddy current brake is connected with the gearbox and is connected with a load component. The load component comprises two duplex pulley blocks, two duplex coiling blocks and three gears. Steel wire ropes on the coiling blocks transmit damping to the nut of the tested ball screw assembly through a nut supporting board. The supporting board is fixedly connected with the matched nut of the screw assembly. Four sliding blocks are arranged on the lower sides of the two sides of the supporting board and enable the supporting board to slide on a guild rail fixed on a bed body. A tail frame supporting board is arranged on a flat-V guide rail of the tail portion of the bed body. In work, the eddy current brake provides load, through adjusting the current value passing through eddy current brake, simulation of the ball screw assembly working condition can be achieved.

The invention discloses a construction contract payment method based on the block chain technology, which is used in the field of construction project management. The construction contract payment method includes: establishing a block chain network consisting of general contractors, designers, project management companies, supervisors, owners, banks or other financiers, government regulators, arbitration institutions, and third-party service agencies; and using a block chain platform to exchange information with the arbitration institutions, the government regulators, the banks or other financing platforms, the owners, and the general contractors, and monitoring project contract payment smart contracts and arbitration process information, establishing contacts with the supervisors, the project management companies, and BIMs, exchanging information, and confirming the quality of project progress. It is able to establish reliable trust of point-to-point in the network, so that the interference of the intermediary is removed in a value transfer process, information is disclosed, and privacy is protected; and both decision-making and protection of individual rights are achieved. The method effectively solves the problem of construction arrears in the construction industry and reduces the financing costs of construction enterprises.

A method for testing an OLED substrate comprises: the first step of obtaining a first current value passing through a switching element group connected to a selection signal line; the second step of obtaining a second current value passing through a switching element group connected to a data signal line; and the third step of operating a current passing through each switching element including an OLED element from the current value for each pulse signal obtained by each of the steps 1 and 2.

A fan motor speed control circuit includes a driving circuit, a voltage division circuit, and a speed modulator. The voltage division circuit has a first transistor and a plurality of resistors and is connected between a voltage source and the driving circuit. The speed modulator has a second transistor and a plurality of parallel resistors and is connected between the voltage division circuit and the driving circuit. The current of the fan motor speed control circuit flows through a first path under a first input voltage generated from the voltage source and through a second path under a second input voltage larger than the first one; the parallel resistors are in the second path such that the current value passing through the driving circuit varies according to the resulting resistance value of the parallel resistors.

The invention discloses a patent value evaluation method based on value delivery. The patent value evaluation method includes a patent value static evaluation process and a dynamic renewal process. In the patent value evaluation process, firstly, a patent quotation network is built according to similarities between patents, and patent value in each node is initialized; secondly, contribution degree is calculated by value from a 'quoted' patent to a target patent according to node value of the 'quoted' patent, and patent quantity quoted by the 'quoted' node and patent published time, and then target patent value is acquired by accumulation; finally, each patent value is sequentially calculated. When a new patent is available, the similarities between the patent and an existing patent are firstly calculated, and then a 'quoted' relationship is built up, and finally values of patents are sequentially updated. The patent value evaluation method can calculate value of each patent from a patent database based on a delivery idea of PageRank algorithm, and has high effectiveness.

The invention relates to the electronic technical field, and discloses a control circuit for light-compensation intensity. The control circuit for the light-compensation intensity comprises a processor, a light ray sensor, an electronic switch, a light-compensation lamp and a current-limiting circuit, wherein the light ray sensor is used for sensing the light ray attribute of the ambient light and outputs the sensed light ray attribute to the processor; and the processor is used for obtaining the light-compensation intensity of the light-compensation lamp according to the light ray attribute of the ambient light sensed by the light ray sensor, and controls the current-limiting circuit to adjust the current value passing through the light-compensation lamp according to the light-compensation intensity when the electronic switch is controlled to lighten the light-compensation lamp. The invention also discloses a control method for the light-compensation intensity. Compared with the prior art, the embodiments of the invention have the following beneficial effects: when the light-compensation lamp is lightened, the current value passing through the light-compensation lamp can be adjusted according to the intensity of the ambient light, so that the light-compensation lamp can realize high-intensity light compensation in a high-light environment and low-intensity light compensation in a low-light environment; and therefore, the power consumption of the light-compensation lamp can be lowered, and the light-compensation effect can be improved.

The invention relates to a networked on-line inspection method of a supersonic gas flowmeter. The basic realization mode of the networked on-line inspection method is that the inspected supersonic flowmeter is connected into a metering network platform, basic information of the inspected supersonic flowmeter is established in a database, data collected by the inspected supersonic flowmeter, and a temperature sensor, a pressure sensor and a chromatographic analyzer matched with the inspected supersonic flowmeter are read through the network platform, the state of the inspected supersonic flowmeter is checked, sound velocity inspection is conducted according to a theoretical sound velocity obtained through calculation, and a field detection record of the supersonic flowmeter is finally and automatically generated by utilizing the network platform, so as to judge whether the sound velocity value deviation satisfies a specified requirement or not and whether the ratio of each soundtrack flow velocity value to the average axial sound velocity value passing through the flowmeter is within a reasonable range or not. The networked on-line inspection method of the supersonic gas flowmeter has the advantages that on-line inspection of the supersonic flowmeter is realized through the network platform, the metering does not need to be interrupted, the inspection cost is low, the informatization degree is high and the accuracy of measured data of the flowmeter is guaranteed.

The invention relates to an auto-focusing actuator driving structure, which enables a lens to be assembled. The lens comprises an optical axis; the auto-focusing actuator driving structure comprises a body, a lens barrel and a driving unit; the lens barrel is movably arranged inside the body; the driving unit comprises a coin circuit board and a magnetic element group; the coin circuit board is provided with a plurality of printed coins; the plurality of printed coins are corresponding to positions of the magnetic element group to enable the lens barrel to move relative to the bottom part of the body with the help of the driving unit. A thin and small printed coin replaces the traditional huge coin, the auto-focusing actuator driving structure achieves the purposes of miniaturization and micromation and is convenient to be assembled; the plurality of printed coins can enable the control circuit or the control chip to precisely control the current value passing through each printed coin, the lens barrel or the carrier can precisely move relative to the bottom part of the body, precise focusing and position correction can be achieved, and thus the precise auto focusing and vibration compensation effects can be achieved.

The invention discloses a full-automatic static mixer including a feeder and an even mixer, wherein, the feeder includes an operating parameter setting unit for setting pressure and flow induction value of the material parameter sensor and setting frequency of the transducer, a transducer for frequency conversion control of drive motor of material pump, a material parameter sensor for the induction of the material pressure and flow induction value passing through the material pump; and the even mixer includes a supplementary material parameter setting unit for setting pressure and flow induction value of the supplementary material parameter sensor and setting frequency of the transducer, a supplementary material parameter sensor for the induction of the supplementary material pressure and flow passing through the supplementary material valve, a transducer for frequency conversion control of drive motor of the supplementary material valve, and a PLC controller for realizing the circuit control of the whole equipment. The mixer can exactly control the mixing of materails and supplementary materials in various ratioes, adopts the full automatic control, and avoid the generation waste caused by the manual error, can largly improve the produciton efficiency and save lost.

The invention discloses a battery capacity measuring circuit, and a battery capacity accurate calculating method and system. The battery capacity accurate calculating method includes: S10, calculating resistance of a resistor; S20, calculating a current value passing across a device load; and S30, calculating current capacitance of a battery. Instead of direct use of a resistor nominal value, actual resistance of the resistor is measured and calculated at first, thereby solving the problem of terminal device battery capacity detection errors caused by inconsistency between the actual value and the nominal value on two ends of the resistor. In this way, the battery capacity calculation precision is increased, problems of wrong guidance, electric quantity jump and shutdown in advance caused by resistance errors are solved, the user experience is improved, and users are helped to correctly arrange usage of devices.

The invention discloses a method and device for detecting inverter faults. The method includes: after the inverter is in an uncontrollable rectification state and reaches a preset delay value, acquiring the actual current value flowing on the supporting capacitor; Compare the actual current value with the preset current value to determine the state value of the actual current flowing on the support capacitor; integrate the state value with saturation limit; perform zero-crossing detection on the result of the integration, and based on the detection result Determine whether the support capacitor is faulty. The invention only needs to use the voltage and current sensing devices inside the existing inverter to detect the breakdown and melting of the support capacitor on-line and issue an early warning, and the method is simple and easy to implement.

The invention discloses a congestion-preventing method for roads. The congestion-preventing method for roads comprises the following steps: establishing connection; pre-setting a first collecting region scope, a second collecting region scope, a vehicle speed collecting time segment value, a vehicle number, a first boundary value for unblocked vehicle speed and slow vehicle speed and a second boundary value for slow vehicle speed and congested vehicle speed by a platform; detecting and judging information of vehicle speeds and vehicle positions, uploading the information of vehicle speeds and vehicle positions to the platform; detecting and analyzing a first vehicle terminal numerical value passing through the first collecting region and a second vehicle terminal numerical value passing through the second collecting region within the vehicle speed collecting time segment by the platform, generating instructions according to the analysis result, judging the congestion conditions of roads, transmitting the instructions and the judgment result to a traffic light end and a vehicle terminal; displaying the congestion conditions of roads by the terminal; adjusting a running direction according to the instructions by the traffic light end. The congestion-preventing method and system for roads have the functions of intelligently recognizing the congestion conditions of roads and intelligently adjusting the running directions of traffic lights. In addition, the invention further provides a congestion-preventing system for roads.

The invention provides a detection and determination method for battery micro short circuit. The method comprises the following steps that a battery without liquid injection is fixedly arranged in a battery fixing clamp of a battery micro short circuit detection device for pressurization; a power supply is connected to charge a capacitor; after the capacitor is fully charged, the power supply is disconnected and the capacitor is controlled to carry out instantaneous discharge on the battery without liquid injection; during an instantaneous discharge process of the capacitor, a voltage acquisition device acquires a voltage value of a resistor in the battery micro short circuit detection device once at a certain interval and transmits the voltage value to a PLC; an instantaneous current value passing through the resistor is computed in the PLC, and a maximum value of the instantaneous current value passing through the resistor is compared with a set standard current value; and if the maximum value of the instantaneous current value passing through the resistor is larger than or equal to the set standard current value, the battery without liquid injection is determined as a micro short circuit battery, and otherwise the battery without liquid injection is determined as a qualified battery. The method is simple and feasible, and the micro short circuit battery can be quickly and accurately identified.

The invention discloses a hand-held electronic equipment-based galvanometer. The galvanometer comprises a three-axis electronic compass, a processing chip and a display screen, wherein an X axis, a Y axis and a Z axis which are mutually vertical are defined on the three-axis electronic compass; the processing chip is electrically connected with the three-axis electronic compass; the processing chip controls the display screen to display a carrier lead which is placed at a preset position of a display interface of the display screen; the three-axis electronic compass measures the magnetic induction density value of the carrier lead along the negative axis direction of any one of the X axis, the Y axis and the Z axis; and the processing chip acquires the magnetic induction density value from the three-axis electronic compass and acquires the current value passing through the carrier lead according to the magnetic induction density value. Therefore, the hand-held electronic equipment has a current measuring function, the requirements of maintainers or electron enthusiasts can be greatly met, and the user experience on the hand-held equipment can be improved at the same time.

The invention particularly relates to an IGBT module parallel temperature detecting circuit. The IGBT module parallel temperature detecting circuit is characterized in that a voltage dividing circuitconducts resistor series connection voltage dividing on IGBT modules and NTC resistors which are connected in parallel and outputs two sets of IGBT module temperature signal voltage values; a comparator circuit compares the two sets of temperature signal voltage values to select a high temperature signal state, and sends the high temperature signal state to the analog switch circuit; and an analogswitch circuit sends the high temperature signal voltage value to a sampling following conditioning circuit. The high temperature signal voltage value passing through the sampling following conditioning circuit is converted into proportional current through a pressure flow linear isolation conversion circuit, and finally the current value is converted into an analog voltage value capable of beingsubjected to A/D processing of a DSP through a conditioning output circuit. The method can achieve the aim that real-time monitoring can be carried out on the temperature of the two modules after IGBT parallel connection without increasing one sampling circuit and occupying the DSP sampling resources.

Provided is an excitation source for a superconducting magnet, which can quickly return to a normal state (a state of no short circuit) even when the two output ends of the excitation source undergo a short circuit, caused by abnormal situations like an incorrect quench detection, an internal abnormity and a sudden reduction in main power supply voltage, or when power is restored after being cut off. An excitation source (101) comprises a power supply (1), a power unit (3), a protective circuit (16) which will be closed to protect contacts (4a) undergoing short circuit at two output ends of the power unit (3) when an abnormality occurs, and a first shunt resistance (5) detecting the current value in a return circuit A, and a resetting circuit (31). After a protective relay (4) moves, closing the contact (4a) through the protective circuit (16), the resetting circuit (31) is reset from a protective state through disconnecting the contact (4a) by adopting the detection value of the first shunt resistance (5) and a second shunt resistance (8) and making the output current value of the power unit (3) and the current value passing through a superconducting coil (2L) being equal.

The invention provides a method for solving the scalability problem of a blockchain internet intermediate chain. The intermediate chain system architecture designed by the invention is a hierarchicalarchitecture, a two-layer structure and multi-chain parallelism. Attached drawings of abstract are shown in the specification. The top layer of the architecture is a main chain layer. The main chain layer only has one chain and is a middle chain main chain; and the intermediate chain main chain is maintained by a plurality of nodes of the intermediate chain. The bottom layer of the architecture isa sub-chain layer and is provided with a plurality of sub-chains. Each sub-chain is maintained by part of nodes of the intermediate chain and the link nodes of the two participating chains together,and serves for intercommunication and value transfer between the two participating chains. An intermediate chain main chain of the block chain Internet is responsible for organization and management work of all nodes of the intermediate chain. Meanwhile, information such as registration and reputation records of all participation chains and the chain nodes of the participation chains is recorded on the main chain of the intermediate chain. The intermediate chain sub-chain of the blockchain Internet is only responsible for recording cross-chain transactions between two participating chains related to the intermediate chain sub-chain. In this way, hundreds of participating chain interconnection and intercommunication and value transfer tasks in the block chain internet are shared by numerousintermediate chain sub-chains, so that the problem of intermediate chain performance bottleneck is solved, and the problem of scalability of the intermediate chain of the block chain internet is solved.

The invention discloses an inductive coupling plasma rector. The inductive coupling plasma rector comprises a reaction chamber; an insulation material window disposed in the top of the reaction chamber; and a pedestal, which is used for fixing a substrate, and is disposed in the lower part of the reaction chamber. The upper part of the insulation material window comprises an iron core assembly. The inductive coupling plasma rector is characterized in that the iron core assembly comprises a horizontal extension part and a plurality of downward extension parts disposed on the lower part; by designing the magnetic resistance between every downward extension part and the horizontal extension part, the magnetic resistance value passing through every downward extension part can be gradually increased from the center of the insulation material window to the external periphery, and the plasma concentration in the corresponding lower reaction chamber can be increased gradually. The plasma concentration reaching the surface of the substrate after the diffusion can be more uniform.