51results about How to "Help" patented technology

The invention discloses a method for sustainably preparing nanometer cellulose in an environment-friendly and economic mode. The preparing method includes the following steps that 1, cellulose raw materials and organic acid are hydrolyzed and esterified; 2, the treated cellulose is prewashed in a centrifugal sedimentation mode, the organic acid is separated to be continuously recycled, washed cellulose suspension liquid is dialyzed, and then reacted acid and accessory substances are removed; 3, the dialyzed suspension liquid is separated to obtain small-particle cellulose nanometer crystals; 4, cellulose solid precipitated on a lower layer of the suspension liquid is treated through a high-pressure homogenizer or an ultrasonication physical machine to obtain colloidal cellulose nanometer fibrils. According to the method, in the preparing process, the modified cellulose raw materials are synchronously hydrolyzed and esterified through relative-safety and environment-friendly food-grade organic acid; compared with inorganic strong acid, the used organic acid is low in corrosion performance, high in boiling point, small in reaction pressure and easy to control and operate, and the cellulose nanometer crystals with the stable quality and the cellulose nanometer fibril products with the stable quality can be obtained at the same time.

The invention relates to the technical field of set top boxes and discloses an intelligent set top box program recommendation method based on the cloud platform. The method specifically includes the following steps that firstly, set top boxes upload viewing data of users to the cloud platform; secondly, all the viewing data of the users are received and then stored by the cloud platform after being analyzed; thirdly, when a certain user does not have a definite viewing purpose, the corresponding set top box reports to the cloud platform and requests for program recommendation data; fourthly, after receiving a program recommendation request, the cloud platform transmits real-time viewing data in the current time period, historical viewing data in the next time period and viewing habit data of the user back to the set top box; fifthly, after receiving the viewing data or the viewing habit data, the set top box analyzes and processes the data to acquire program recommendation content and then displays the program recommendation content to the user. Programs are recommended through analysis on the viewing data according to viewing habits of the users, and therefore convenience in use is brought to the users.

The invention discloses a lithium electric chain saw provided with a cooling jacket for protecting batteries. The lithium batteries need to be cooled, so a metal shell radiator is arranged outside a lithium electric mortiser box (126) for protection, the external package of the batteries adopts aluminum plastic composite membranes as battery shells, and after the multiple battery shells are combined together, a metal shell is arranged on the outside. An interlayer being added with oil is arranged on the outside of the lithium electric mortiser box (126) to serve as a simple oil radiator, liquid performs cooling instead of using of water, and oil performs cooling and also effectively prevents the insulation leakage. A material of a function stent bar provided with a cubic parabola of a follow-up chain saw stent adopts a steel spring plate, and is subjected to normalization heat processing or adopts titanium memory alloy.

The invention discloses environment-friendly construction waste treatment equipment for civil engineering, and relates to the technical field of civil engineering. The environment-friendly construction waste treatment equipment for the civil engineering comprises a machine body, wherein a feeding hopper is arranged at the top end of the machine body, a crushing mechanism is arranged above the interior of the machine body, a vibration screening mechanism is arranged in the middle of the interior of the machine body, a collecting mechanism is arranged at the bottom of the interior of the machine body, one side of the machine body is connected with a first discharging pipe corresponding to the vibration screening mechanism, and one side of the bottom of the machine body is connected with a second discharging pipe communicating with the collecting mechanism. According to the environment-friendly construction waste treatment equipment, through the arrangement of a cleaning brushing mechanism, the crushing mechanism can be cleaned and brushed, so that the crushing mechanism is cleaned, crushed materials are effectively prevented from remaining on the crushing mechanism, rapid crushing of waste materials is facilitated, the crushing efficiency of the crushing mechanism is greatly improved, and the working efficiency of the equipment is improved favorably.

The invention discloses an intelligent voice reminding robot. The intelligent voice reminding robot comprises a body, hands, feet and a head, wherein the head is arranged above the body; the hands are arranged on two sides of the body; the feet are arranged below the body; a control circuit board is arranged in the body; a solar plate, a display screen and an alarm are arranged on the control circuit board; the solar plate is electrically connected with the control circuit board; the alarm is electrically connected with the control circuit board; the display screen is welded on the control circuit board; and a program control chip is arranged on the control circuit board. By the intelligent voice reminding robot, people can be reminded according to set schedule; and the robot can help people to prepare objects, materials and the like required in the schedule, so that the life of the people is in order and enriched, and the root has functions of reminding, supervising, helping and popularizing.

The invention relates to the technical field of internet and internet of things, and particularly discloses an automatic spraying type agricultural base management system. The agricultural base management system comprises a weighing internet-of-things measurement and control terminal, a cloud platform, a gravity sensor, a spraying device, an authentication device and a printing device, wherein thecloud platform, the gravity sensor, the spraying device, the authentication device and the printing device are connected with the weighing internet-of-things measurement and control terminal. By adopting the automatic spraying type agricultural base management system, the internal management automation of agricultural bases and other intensive places is facilitated. The system is a product of theinternet and the internet of things based on the software and hardware combination of a cloud platform, APPs and hardware equipment (such as an Arduino platform, a master control module and the like). By adopting the system, the functions of worker management, weighing management, report management, field management and the like are realized for an agricultural base. Meanwhile, the labor cost andthe management cost of the agricultural base are greatly reduced. The management of the agricultural base is more intelligent, more efficient and more standard.

The invention discloses a loaded walking assisting device. The loaded walking assisting device is characterized in that arc-shaped plates are plates of which the front surfaces are concave and the back surfaces are convex; two arc-shaped plates are connected through a pushing bag; an oil through hole in the pushing bag is connected with an oil passage hole in a power bag through a hydraulic pipe; two sides of the arc-shaped plates are fixedly provided with bundling belts; the two arc-shaped plates, one power bag and one pushing bag are combined into a group. According to the loaded walking assisting device disclosed by the invention, the structure is simple and reasonable, and both the manufacturing and the using are very convenient; the strength used by a user during running and walking is small, the stress on knee joints during loaded walking and loaded running is reduced, the load bearing capacity is increased, the speed is increased, and the user cannot feel tired as less physical power is consumed; the loaded walking assisting device is suitable for increasing the walking speed and the load bearing capacity of army officers and soldiers and is also suitable for loaded running and loaded walking as well as running and walking.

A human head wearing physical cooling device ice belt comprise a cold guide plate, soft gel, a wearing belt, a water bag, temperature sensors and Velcro tapes. The ice belt is characterized in that the feature that the soft gel is made of plastic is utilized, grooves and holes are formed in the cold guide plate, and the cold guide plate is injected into the soft gel directly by the injection molding machining process; the feature that the wearing belt and the soft gel are made of plastic is utilized, and the wearing belt and the soft gel are welded by the high frequency or ultrasonic welding machining process; holes are formed in left and right sides of the cold guide plate, and the soft gel penetrates the holes to form blind holes for installing the temperature sensors; a water injecting pipe and a plug are arranged on one side of the water bag independently for water injection; the Velcro tapes are arranged on left and right belt units to wear a product. By the aid of the human head wearing physical cooling device ice belt, the product reliability, temperature sensing effect, practicality and wearing comfort are improved comprehensively.

The embodiment of the invention provides a double-clutch vehicle escape method, device and system and a vehicle, and belongs to the technical field of automobiles. The method is applied to a vehicle, and the vehicle comprises a first clutch and a second clutch. The method comprises the steps that basic parameters output by the vehicle and preset conditions corresponding to the basic parameters are received; judging whether the basic parameters conform to corresponding preset conditions or not; if yes, the first clutch is controlled to transmit a first torque value of an engine, and meanwhile, a second-gear synchronizer is combined to output the first torque value of the engine to a wheel end; and under the condition that the first clutch transmits the first torque value of the engine, the first clutch accelerates flowing of cooling liquid so as to accelerate cooling of the second clutch. By means of the double-clutch vehicle escape method, the second clutch can be cooled on the premise that the vehicle is helped to escape.

The invention discloses a software voice playing device which comprises a shell, an STM32 development board, a voice module, a power amplifier chip, an SD card reading module, a liquid crystal displayscreen and an HC-05 Bluetooth module. The invention also discloses a use method of the software voice playing device. The software voice playing device has the beneficial effects that the software voice playing device is small in size and strong in function expansibility, audio signals of computer software can be read and played, and the STM32 development board expands the functions of the playing device. The software voice playing device not only can play the voice of computer software, but also can display the presence or absence of software audio signals through the reading of the liquid crystal display screen so as to help software developers to identify weak audio signals. The software voice playing device has an audio signal storage function, and the audio signals of the computer software are stored in the SD card, so that the detailed solution of the development process is facilitated after development, and a help role can be played for subsequent development.