35results about How to "Prevent random changes" patented technology

The invention discloses a project progress monitoring prompt system and belongs to the progress management system. The system comprises an identity verification module, a standard library module, an object processing module, a calendar module, an address list module, an auditing module, a storage module and a message module. By using the system, feature comparison can be performed on an uploaded file and a standard file of the standard library module; auditing is automatically completed; a labor intensity brought by manual review of management personnel is reduced and an office automation level is increased. Aiming at a progress lag or file abnormity condition, message prompt is automatically performed on a related step contact person so that the related person can timely receive the prompt message and adjust the project progress.

The embodiment of the invention discloses a method and terminal for adjusting screen brightness. The method comprises the following steps that a request for adjusting the screen brightness is received; a current running application program is detected; whether the current running application program has screen brightness adjusting permission or not is judged; if yes, screen brightness is adjusted according to a preset screen brightness adjusting rule of the application program. By adopting the method and terminal for adjusting the screen brightness, when a certain application program runs, a user can adjust the screen brightness by himself/herself or the application program automatically adjusts the screen brightness according to the preset screen brightness adjusting rule only when the running application program has the screen brightness adjusting permission, and random screen brightness change during application program running is prevented.

The invention relates to the technical field of block chains, in particular to a bulk commodity spot transaction system based on a block chain smart contract. A method comprises the following steps: initiating a user account registration request; creating an account, and completing digitization of user account information; initiating a cargo information creation request, and creating cargo data; according to the cargo data, initiating a cargo transaction process, and after the cargo transaction process is completed, outputting the cargo transaction data through an API in the blockchain platform; the data layer receiving the cargo transaction data, performing persistence processing and encryption processing on the cargo transaction data, and pushing the encrypted cargo transaction data to the blockchain bottom layer through the blockchain API; and the blockchain bottom layer receiving the encrypted cargo transaction data, performing distributed accounting to write the cargo transactiondata into the block, and returning the transaction ID to the data layer for storage. According to the invention, the problem that the goods transaction data is tampered is avoided, and a guarantee isprovided for the authenticity of spot goods transaction information.

The invention discloses a two-degree-of-freedom photovoltaic power generation device for automatically tracking sunlight and a tracking method. The problem of single position of the battery panel is overcome as the solar panel is capable of tracking the position of the sun. At the beginning, the device is initialized, a photosensitive element provides the collected data to a single chip, the single chip receiving the data signal runs the program and controls a first stepping motor and a second stepping motor that are electrically connected to make the worm and the second worm rotate to drive the transmission main shaft to rotate, so that the solar panel rotates and can receive the maximum illumination. The stepping motor and worm gear set used by the invention for angle adjustment is capable of realizing precise angle control and self-locking of the corresponding rotation direction, and preventing the orientation of the solar panel from being arbitrarily changed due to external force factors. The photosensitive member of the invention is capable of accurately determining the direction of the sun light and automatically adjusting the orientation of the solar panel to be the same asthe direction of the sunlight.

The embodiment of the invention provides a member management method and device based on a decentralized peer-to-peer network technology, electronic equipment and a computer readable storage medium. The member management method based on the decentralized peer-to-peer network technology comprises the following steps: after receiving a target request for managing a member sent by a target terminal, reading target contract information corresponding to target merchant identification information and target member identification information, and responding to the target request according to the target contract information, and recording communication information generated in response to the target request. The method has the advantages that the service shutdown probability is low, the reliability is high, and data are not easy to lose; the response of the target request needs to be based on contract information, random change of membership card information is avoided, safety and reliability are achieved, and rights and interests of consumers and merchants are guaranteed.

The invention discloses an automatic wire stringing and breaking device for a UAV (unmanned aerial vehicle), and relates to the technical field of wire stringing of an electric power system. The device comprises data radios, the UAV and a wire wheel, wherein the data radios are wirelessly connected with the UAV; the wire wheel is mounted on a wire wheel support frame, a damper and a steering gearare arranged on the wire wheel support frame, and the damper is connected with the wire wheel and the steering gear; a casing is arranged on the outer side of the wire wheel support frame, the upper end of the casing is connected with the center of the bottom of the UAV, and the upper side and the lower side of the casing are connected with the wire wheel support frame; a wire rod, an electronic keyhole wire clamping device, a wire breaking device and a wire passing pulley II are arranged in the middle of the lower end of the wire wheel support frame sequentially and are arranged on the outerside of the casing; a wire passing pulley I is arranged on the wire rod, and the wire passing pulley I, the electronic keyhole wire clamping device, the wire breaking device and the wire passing pulley II are connected sequentially through a wire on the wire wheel; the UAV is electrically connected with the steering gear and the wire breaking device.

The invention relates to a communication cabinet with a high-lift antenna. The communication cabinet comprises an antenna, a communication cabinet body, and a power module and communication devices arranged in the communication cabinet. The communication cabinet also comprises an electronic control telescoping rod and a control button connected with each other. The electronic control telescoping rod comprises a motor base and a telescoping rod connected with each other. Based on the technical scheme, the above hardware modules are designed in an improved manner, and the communication cabinet with a high-lift antenna is formed. The antenna is movably arranged on the telescoping rod. On one hand, installation of the antenna is convenient, and on the other hand, according to installation requirements, through adjusting length of the telescoping rod, adjustment aimed at antenna height is realized, thereby effectively improving convenience of communication cabinet installation and use.

The invention discloses an integral moving type annular wire winding machine, which comprises a machine frame, a machine head, an electric control box, a transmission mechanism, a wire storage ring and a magnetic core clamping mechanism, wherein the machine frame is a three-layer vertical integral aluminum alloy machine frame, and the electric control box is arranged on the upper layer of the machine frame; the machine head, the magnetic core clamping mechanism and a control button assembly are arranged on the middle layer of the machine frame, the wire storage ring sleeves a driving roller ofthe machine head, a driving roll of the driving roller is connected with the transmission mechanism, the magnetic core clamping mechanism is electrically connected with the transmission mechanism, the transmission mechanism is electrically connected with the electric control box, and control buttons on the control button assembly are electrically connected with the electric control box respectively; and the bottom part of the machine frame is provided with a moving assembly. By adopting the three-layer vertical integral type machine frame, the assemblies of the annular wire winding machine are reasonably arranged, a worktable is not required, and thus the annular wire winding machine is convenient to operate; and the bottom part of the machine frame is provided with the moving assembly, the annular wire winding machine can be moved to other space positions of a workshop, the occupied area is small, and the utilization efficiency of the space of the production workshop is maximized.

The invention discloses a face recognition device for on-site construction personnel of collective enterprise outsourcing service, comprises a mobile terminal and a remote server communicatively connected with the mobile terminal, the remote server is provided with a face sample unit for storing the face image of the construction worker of the collective enterprise outsourcing service site and a person safety admittance unit for sending the person admittance information to the mobile terminal. The mobile terminal is provided with a face recognition module, which collects face images and identifies whether a person entering the scene matches an admittance face image sent by a person safety admittance unit to determine whether the person is allowed to enter the scene. The invention realizesthe face recognition of the field construction personnel and the management personnel, prevents the personnel of the outsourcing unit from being changed at will, prevents the personnel of the outsourcing unit with the serious violation history from carrying out the field operation and the like, meets the requirements of the production or development of the electric power network, and is beneficialto improving the production level of the enterprise.

The invention relates to the field of parameter calculation, in particular to a system and method of calculating serum neutralization antibody titer. The system of calculating the serum neutralization antibody titer comprises a recording module, a calculation module, a display module and a storing module, the recording module is used for recording measured experimental data, the calculation module is used for calculating intermediate data and serum neutralization antibody titer data according to the recorded experimental data, the display module is used for displaying the recorded experimental data and the calculated intermediate data and the serum neutralization antibody titer data, and the storing module is used for storing the recorded experimental data and the calculated intermediate data and the serum neutralization antibody titer data. According to the system and method of calculating the serum neutralization antibody titer, the serum neutralization antibody titer is calculated easily, conveniently, fast and accurately, the workload is little, and all the experimental data are effectively protected and stored, and can be remained for next check and use.

The invention relates to the technical field of processing technologies, in particular to a balling parameter setting method of a wire-feeding balling process, and s relates to a designing and optimization method applicable to technological parameters of a nodular cast iron end cover and brake product balling treatment technology. With the balling parameter setting method of the wire-feeding balling process, the technological parameters suitable for each product can be designed according to the thicknesses, weights and casting temperatures of product and product technological requirements of customers, corresponding parameters are selected for balling when needing to make different products, and then the requirement on stable quality can be achieved.

The invention discloses a self-locking float level switch. The self-locking float level switch comprises a non-magnetic pipe, a reed switch, a cylindrical passive float barrel, a float ball, a retainer, an upper magnetic limiting plate, a lower magnetic limiting plate and inner magnets. The cylindrical passive float barrel externally sleeves the non-magnetic pipe, the float ball externally sleeves the cylindrical passive float barrel, the retainer is arranged at the bottom end of the non-magnetic pipe, the upper magnetic limiting plate and the lower magnetic limiting plate are arranged at upper and lower ends of the cylindrical passive float barrel respectively, and the inner magnets are detachably arranged in the non-magnetic pipe. An annular magnet is hermetically arranged in the upper magnetic limiting plate, and the upper magnetic limiting plate is in positional correspondence to the reed switch under a contacted state of the bottom of the float barrel and the retainer. Independent magnets are arranged in the lower magnetic limiting plate, and opposite poles of the inner magnets in the non-magnetic pipe and the independent magnets in the lower magnetic limiting plate are identical in polarity. The self-locking float level switch has advantages that a self-locking effect can be achieved; due to a completely stable float magnetic field system, the float ball is prevented from fluctuating along with water level, magnetic field random variation is prevented, peripheral control circuit simplification is realized, and stability in operation of an execution electric appliance is achieved.