30results about How to "Improve brand competitiveness" patented technology

The invention discloses a wire clamp for fixing a cable in a case. The wire clamp comprises a main wire clamp and a plurality of splicing wire clamps, wherein the main wire clamp is fixedly connectedwith the case, each splicing wire clamp can be spliced with the main wire clamp or adjacent wire clamp to form a whole, the main wire clamp comprises a fixed plate, first clamping plates are respectively arranged at two sides of the fixed plate and extend towards front inner sides, first guide plates are arranged at suspension ends of the first clamping plates, each splicing wire clamp comprises asealing plate, second clamping plates are respectively arranged at two sides of the sealing plate and extend towards front inner sides, second guide plates are arranged at suspension ends of the second clamping plates, and two clamping plates are arranged on a rear side surface of the sealing plate. By using the wire clamp, the cable in the case can be partially or completely fixed with the case,so that cable arrangement is smoother, and the problem caused by the cable in disorder is solved.

The invention provides an outlet strip steel surface roughness control method suitable for a hot continuous rolling unit. Under the precondition of collecting strip steel characteristic parameters, rolling process parameters and roller use process parameters to calculate the outlet strip steel surface roughness, the method can control the strip steel surface roughness on the work site according to user requirements on the strip surface roughness through reasonable linked setting of the operating surface roughness and the operating surface hardness of working rollers of F6 and F7 frames of the hot continuous rolling unit and the reduction rate between the two frames, so that the benefits are brought to enterprises.

Provided is an optimal setting method for the relationship curve of the emulsion flow and the rolling speed in the cold rolling process. The method mainly comprises the following steps: 1, collecting main equipment and process parameters of a cold rolling unit; 2, defining the process parameters involved in the optimization process of the emulsion flow; 3, calculating the roll bending force of a rack working roll; 4, initializing the emulsion flow coefficient; 5, calculating the set value of the emulsion flow corresponding to Vi; 6, calculating the friction coefficient mui corresponding to Vi; 7, calculating the rolling pressure, slipping factor and thermal slipping injury index corresponding to Vi; 8, solving the objective function; 9, outputting the best emulsion flow coefficient, and determining the relationship curve of the best emulsion flow and speed. The method has the advantages that the overall fluctuation rate and the maximum fluctuation rate of the rolling pressure can be kept smaller during the speed-up and speed-down process, and it is ensured that the slipping and thermal slipping defects are prevented from occurring in the rolling process, thus the surface quality and the strip shape control precision of strip steels are improved.

The solution relates to a method, device, vehicle and controller for predicting weather conditions of an autonomous vehicle to solve the problem in the prior art that the real weather environment of the vehicle environment cannot be predicted, which leads to safety threats to autonomous driving. The method includes: determining the third initial rainfall level based on wiper information, determining the light level based on light information, determining the light level based on visibility level information and environmental scene information of the vehicle; based on the first initial rainfall level, the second initial rain level and The third initial rainfall level is to determine the final rainfall level; based on the light level, light level, pollution level information and weather type information, the final light level is determined; based on the ambient temperature information, it is determined whether the ambient temperature exceeds the standard; Whether the meteorological conditions of the environment meet the requirements of automatic driving.

The invention discloses an in-vehicle engine multi-sound-effect active control system, and relates to an active control technology of vehicle interior sound. The system comprises an engine speed sensor, an accelerator pedal position sensor, a microphone, a microphone preamplifier, a speaker, a power amplifier, an engine multi-sound-effect controller and a human-computer interaction module; the engine multi-sound-effect controller includes an A / D conversion module, a multi-sound-effect processing module, a D / A conversion module and a communication interface; a software architecture of the multi-sound-effect processing module includes an order signal generator, an ignition self-adaptive control module, a dynamic gain adjuster and a control signal selection module; the system obtains three in-vehicle sound effects of "comfortable", "powered" and "sporty" by actively weakening or actively adding engine sound of appropriate order components, the sound preferences and needs of different groups of people can be met, driving interaction and experience are enhanced, and the brand competitiveness and attractiveness of vehicle products are enhanced.

The invention discloses a comprehensive setting method suitable for original roughness of surfaces of upper and lower working rolls of a cold continuous rolling unit, belonging to the field of cold rolling. The method is characterized in that according to the coining ratio relative coefficient of the upper and lower surfaces of strip steel of the unit, product technological parameters and on-site technological parameters in a roll changing cycle are collected; real-time roughness of the upper and lower working rolls when the kth reel is produced is obtained; optimization setting values of roughness of the upper and lower rolls are calculated; by setting reasonable original roughness of the surfaces of the upper and lower working rolls, the difference of emulsion adhesion amount of the upper and lower surfaces of the strip steel is compensated through the roughness setting of the upper and lower working rolls, and roughness difference between the upper and lower surfaces of the strip steel is then reduced, so that the surface quality of the strip steel is ensured. The comprehensive setting method can be widely applied to machining treatment of the surfaces of the upper and lower working rolls of the cold continuous rolling unit and the field of production technique control of the cold continuous rolling unit.

The invention provides a detection method and detection system for the oblique pull of a heavy-duty crane hook, which can obtain the satellite signal and direction information of the center position of the top of the boom and the top of the hook in real time; obtain the satellite signal and direction information of the cockpit position in real time, and Generate real-time RTK differential data according to the satellite signal; according to the satellite signal and RTK differential data at the center position of the top of the boom and the top of the hook, respectively generate positioning information of the center position of the top of the boom and the center of the hook top relative to the position of the cockpit; According to the positioning information of the center position of the top of the boom and the top of the hook, the target point is determined, and the relative position of the target point of the hook relative to the vertical projection of the top of the boom is obtained. At the same time, the direction information of the top of the boom and the hook is used to obtain the The rotation angle and the attitude information of the hook are obtained to obtain a two-dimensional radar map. The invention improves construction efficiency, saves additional communication costs and labor costs, and greatly reduces the probability of cable-stayed rollover.

The invention provides an emulsion flow differential setting method for a cold continuous rolling unit, and relates to a control device or method specially suitable for a metal rolling machine or machined products of the metal rolling machine, in particular to a spray flow control method for the emulsion on the upper surface and the lower surface of strip steel of a cold continuous rolling unit in the cold continuous rolling unit rolling process. The emulsion flow differential setting method comprises the following steps that the gravity loss coefficient of the emulsion is calculated; the technology parameters of site equipment are collected; the flow setting comprehensive index of the emulsion is calculated; and an optimum setting value of the emulsion on the upper surface and the lower surface of the strip steel is obtained after searching. According to the emulsion flow differential setting method for the cold continuous rolling unit, flow differential setting for the spray volume of the emulsion on the upper surface and the lower surface of the strip steel is conducted, and the spray flow of the emulsion on the upper surface and the lower surface of the strip steel is adjusted, so that the spray flow differentiation of the emulsion on the upper surface and the lower surface of the strip steel is achieved; and the loss, caused by the influence of the gravity, of the emulsion on the lower surface of the strip steel is compensated, the adhesion volume difference of the emulsion on the upper surface and the lower surface of the strip steel is reduced, and therefore the roughness difference of the upper surface and the lower surface of the strip steel is reduced, the quality of the strip steel surfaces is guaranteed, brand competitiveness is improved, and benefits are brought to an enterprise.