31results about How to "Free exchange" patented technology

The invention relates to a garment with parts convenient to disassemble and assemble. The garment capable of freely changing comprises a collar of the garment, sleeves of the garment and the like. The collar of the garment, the sleeves of the garment and the like are capable of being freely disassembled and assembled to form the garment through zippers, snap fasteners, press fasteners, magic tapes (nylon fastening tapes), a button-hole and button connection method, connective bands, pull strings, glue and the like. Convenience is brought to the parts of the garment to freely change colors and the like. The garment capable of freely changing is capable of meeting various requirements of various groups of people for seeking fashion and the like, simple in structure and convenient to change and assemble.

The invention discloses an open pet hair drying device which mainly comprises a U-shaped space and hot-air blowers. The U-shaped space for accommodating a pet comprises two side plates and a bottom plate, the two side plates are symmetrically arranged, concave cambered surfaces are arranged on the inner walls of the side plates and the inner wall of the bottom plate, a plurality of air outlets are uniformly formed in the inner walls of the side plates, hot air can be respectively obliquely upwardly, horizontally and obliquely downwardly blown out of the air outlets, the hot-air blowers which generate the hot air are arranged at joints of the side plates and the bottom plate, filter holes are formed in the bottom plate, water which drops from the body of the pet is collected into a water collecting tank via the filter holes, the water collecting tank is provided with an observation window, the quantity of the water in the water collecting tank can be observed, the water collecting tank can be drawn out to be cleaned when filled with the water, a timer, an air volume regulator and a temperature regulator are arranged on the outer wall of each side plate, and the time, the air speed and the temperature can be controlled in a drying procedure. The open pet hair drying device has the advantages that hair of the pet can be dried in an open manner, a speedy and efficient drying effect can be realized, the pet can be in close contact with an owner and can be freely communicated with the owner in the integral procedure, and accordingly a nervous and fretted mood of the pet due to hair drying can be relieved.

The invention aims at the conditions that the aging simulation test for the power equipment is electric aging or thermal aging currently, and there is no test device for the light-heat aging, but in the actual operation, most of power equipment are located in the outdoor sunlight environment and are affected by the visible light and ultraviolet light, so the aging of the power equipment is quickerthan the simple electric aging. The invention discloses a combined testing device for light-heat aging of power equipment, and the device comprises a test signal generation source, a light-heat agingdevice, a current sensor, a voltage sensor, and a microprocessor. The light-heat aging device can gather natural light through the setting of a first concave surface condenser to perform the aging test, thereby saving the energy. The device isolates to-be-tested equipment through a transparent box body, and can start the heating and focusing testing at the same time through the setting of an ultraviolet light, and also can perform the independent measurement. The ultraviolet light and the visible light can be freely switched. According to the scheme of the invention, the device fills a technical gap to a certain degree.

The invention discloses a method for preparing a tantalum (Ta)-doped wolfram (W)-oxide adsorption nano-material. The method is characterized by comprising the following steps: weighing 7-10 parts by weight of sodium wolframate, putting the sodium wolframate into a polytetrafluoroethylene (PTFE) reaction kettle, and adding 7-10 parts of secondary distilled water so as to thoroughly dissolve the sodium wolframate; adding different volumes of tantalum-pentachloride ethanol solutions with the concentration of 0.05mol / L, so as to enable the Ta / W molar ratio of a solution to be 0.01-0.18, and mixing thoroughly; adding 7-10 parts of hydrochloric solution with the concentration of 2-3mol / L and 7-10 parts of ammonium sulfate solution with the concentration of 0.4-0.5mol / L into the PTFE reaction kettle, and stirring for 0.5-1 hour; sealing the PTFE reaction kettle, putting the PTFE reaction kettle into a programmed baking oven, respectively controlling the heating and cooling rates to be 1-2 DEG C / min, carrying out hydrothermal treatment for 24-48 hours at the temperature of 170-200 DEG C, taking out the reaction kettle, cooling to room temperature, washing a reaction product by using distilled water until the reaction product is neutral, putting the reaction product in a freeze drier with the temperature of -40 DEG C, and carrying out freeze drying for 24-48 hours, thereby obtaining the Ta-doped hexagonal-phase wolfram-oxide nano-material.

The invention provides a direct managing operation system and a method for fan letter. The system includes: a communication company system connected with a movable communication company in an access network of a first terminal device (100) and a second terminal device (200), a MO operation unit (110) for managing a data transport of fan letter; the fan letter data transmitted to the MO operation unit and received by an access website of the first terminal device are recorded and saved on a DB server (150), and a network operation unit (12) connected with the MO operation unit; the saved fan letter data for adding label value to identify data kinds is recorded on the DB servier, the fan letter data is translated, the fan letter data content is cleaned for generating the fan letter process data, and a data process unit (130) connected with the DB server; the second terminal apparatus kind is filtrated and the fan letter processing data is transported to the second terminal apparatus for displaying, and an input / output managing unit (140) connected with the data process unit.

The invention discloses an unmanned aerial vehicle based on a full protective framework, which comprises an unmanned aerial vehicle shell, a charging port is arranged on one side of the unmanned aerial vehicle shell, a support platform is fixedly connected to the top and bottom of the unmanned aerial vehicle shell, and the support platform The surface of the UAV is fixedly connected with a protective frame, and the surroundings of the UAV casing are respectively equipped with balancing machines. The inside of the UAV casing is connected to the aircraft, and the top of the fixed bracket is rotatably connected to a shock absorbing rod. The section of the shock absorbing rod passes through the thrust spring It is fixedly connected with the fixed support, and the end face of the shock absorbing rod is fixedly connected with the supporting feet. The invention relates to the technical field of unmanned aerial vehicles. The UAV based on the full protective skeleton, the protective skeleton can support the landing of the UAV, because it can fully absorb the shock when the object collides, and reduce the impact of the collision on the UAV. The protective skeleton cooperates with the rotating device. The front and back of the UAV can be exchanged at will, which is conducive to the adjustment of the UAV after collision.

The invention discloses a split-type tire pressure detection device, which is provided with a characteristic part and a tire pressure detection part. The characteristic part is installed on the tire valve core and equipped with a characteristic mark. The tire pressure detection part can be installed on the characteristic part to read the characteristic part Feature mark, if the feature mark is associated with the display area of ​​the vehicle system, the tire pressure will be displayed corresponding to the tire. The tire pressure detection part directly obtains the characteristic mark in the characteristic part, and the vehicle-mounted system can output and display the tire pressure value according to the characteristic mark. As long as the characteristic part is installed correctly, the user can change the tire pressure detection part at will, which solves the problem that the tire and the tire pressure cannot correspond .

The invention discloses a device for measuring the expansion rate of an oil well cement test block and belongs to the technical field of cement preparation. The device comprises a base, stand columns and a clamping arm, the lower ends of the stand columns are connected with the base, and the upper ends of the stand columns are connected with the clamping arm; the device is characterized by further comprising a thermotank and a temperature controller, the thermotank is fixed to the base, the inner wall of the thermotank is connected with a heating tube, the outer wall of the thermotank is connected with an insulating layer, the inner wall of the thermotank is connected with a thermocouple, the temperature controller is electrically connected with the thermocouple and the heating tube, the clamping arm is connected with a dial gauge, a downward-recessed seat is fixed to the bottom wall of the interior of the thermotank, an upward-recessed seat is fixed to the top wall, the upward-recessed seat penetrates through the top wall of the thermotank and is connected with the dial gauge, and a standard bar is inlaid between the downward-recessed seat and the upward-recessed seat. By means of the device, the expansion rate of the oil well cement test block can be measured under different environment temperatures, objective data reference is provided for oil well cement under site construction, and the device has the advantages of being high in measurement precision and accuracy.

Disclosed is a quick matching type hand tool handle and pant connecting structure. A handle rod body comprises a tail segment rod body and a front segment rod body, a tail segment inserting rod is arranged at one end of the tail segment rod body, and a special-shaped pin groove is formed in the free end; a front segment inserting rod is arranged inside the front segment rod body, and a long hole is formed in the extending-out segment; pant protrusions are arranged at the ends of tool pants; the tail segment inserting rod is inserted into the front segment inserting rod and is matched with the special-shaped pin groove in the tail segment inserting rod through a tail segment fastening pin in an abutting manner to be connected into a whole; the extending-out segment of the front segment inserting rod is inserted in the tool pants, and is matched with the long hole through a front segment fastening pin in a clamped manner; and the outer portion of the combined position of the tail end inserting rod and the front segment rod body and the outer portion of the combined position of the front segment inserting rod and the tool pants are sleeved with fastening sleeves. The quick matching type hand tool handle and pant connecting structure is simple, and convenient to operate, quick assembling and disassembling of a hand tool handle and connecting pants can be achieved, transportation and storage are facilitated, the structure is not limited by tool types, a tool head part and a tool handle part can be freely adjusted, and the generality is high.

The invention discloses an unmanned aerial vehicle based on fully-protective skeletons, and relates to the technical field of unmanned aerial vehicles. The unmanned aerial vehicle comprises an unmanned aerial vehicle shell; a charging opening is formed in one side of the unmanned aerial vehicle shell; supporting platforms are fixedly connected to the top and bottom of the unmanned aerial vehicle shell, and the protective skeletons are fixedly connected to the surfaces of the supporting platforms; balancing machines are arranged on the periphery of the unmanned aerial vehicle shell; an aircraftis rotatably connected into the unmanned aerial vehicle shell; the top ends of fixing supports are rotatably connected with damping rods; the sections of the damping rods are fixedly connected with the fixing supports through thrust springs; and the end faces of the damping rods are fixedly connected with supporting feet. According to the unmanned aerial vehicle based on the fully-protective skeletons, the protective skeletons can support landing of the unmanned aerial vehicle, full damping can be achieved when the unmanned aerial vehicle collides with objects, thus the influence of collisionto the unmanned aerial vehicle is reduced, the unmanned aerial vehicle can be exchanged forwards and reversely at random through cooperation of the protective skeletons and rotating deices, and adjustment of the unmanned aerial vehicle after collision is facilitated.