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6results about How to "Solve the non-adjustable" patented technology

High-power microwave electromagnetic sensitivity test device and method

The invention discloses a high-power microwave electromagnetic sensitivity test device and method, and the device comprises a shielding test cabin (11) and a shielding control cabin (6), a receiving antenna (1) is fixed on a housing at the top end of the shielding test cabin (11), a transmitting antenna (8) and a field intensity probe (9) are fixed in the shielding test cabin (11), the receiving antenna (1) is connected with an adjustable attenuator (2), the adjustable attenuator (2) is connected with a directional coupler (3), and the directional coupler (3) is connected with the shielding control cabin (6). The first output of the directional coupler (3) is connected with the first detector (4), the first detector (4) is connected with the pulse power meter (5), the second output of the directional coupler (3) is connected with the transmitting antenna (8), the field intensity probe (9) is connected with the second detector (7), and the second detector (7) is connected with the pulse power meter (5); the problems that the output power of a source of an existing high-power microwave irradiation system cannot be adjusted, the equipment carrying difficulty is large, the measurement precision is low, and the repeatability is poor are solved.
Owner:GUIZHOU AEROSPACE INST OF MEASURING & TESTING TECH

Air inlet structure, refrigerator and control method

The invention provides an air inlet structure, a refrigerator and a control method, and the air inlet structure comprises an air inlet assembly which is provided with an air inlet duct which is used for introducing external fresh air into a target space; the adjusting assembly is used for introducing adjusting air into the air inlet duct so as to reduce the temperature and humidity in the air inlet duct; and the control module controls the air volume of the adjusting air introduced into the air inlet duct according to the temperature and humidity in the target space, and the air inlet structure effectively solves the technical problem that fresh air introduced by the refrigerator carries a large amount of moisture and hot air.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI

Simple soil block sorting device

ActiveCN222519088USolve the non-adjustableeasy to useSievingScreeningAgricultural engineeringBatten
The utility model relates to the technical field of soil block sorting devices, in particular to a simple soil block sorting device which comprises two sets of side plate battens, six sets of limiting sliding rods are connected between the two sets of side plate battens, a plurality of sets of limiting sliding sleeves are arranged on the side walls of the six sets of limiting sliding rods, the limiting sliding sleeves are connected with main plate battens, and the main plate battens are connected with the limiting sliding sleeves. A batten distance adjusting structure is connected between the two sets of side plate battens and located on the main plate batten, and connecting bases are connected to the side walls of the two sets of side plate battens through connecting plates. According to the design that the main plate batten distance is adjusted by rotating a batten distance adjusting structure, a rotating connecting rod in the rotating batten distance adjusting structure passes through a transmission structure, and then the main plate batten distance is adjusted, the distance between each set of main plate battens can be adjusted according to the soil block sorting size, then the soil block sorting requirement is met, and the device is more convenient to use and higher in practicability. Therefore, the problem that the distance between the battens of the main board cannot be adjusted is solved.
Owner:JIANPING WANXING BENTONITE CO LTD

360-degree rotating earphone

InactiveCN222321750USolve the non-adjustableEarpiece/earphone attachmentsHeadphones
The utility model discloses a 360-degree rotating earphone, which comprises an earphone inner shell, an earphone outer shell arranged on the front surface of the earphone inner shell, playing units arranged in inner cavities of the earphone inner shell and the earphone outer shell, an ear hook arranged on the side of the earphone inner shell, and a rotating component arranged at the joint of the earphone inner shell and the ear hook, and comprises a positioning column arranged at the end part of the ear hook, the end part of the positioning column is inserted and connected to the outer side of the earphone inner shell, a fastening bolt is inserted and connected to the end part of the positioning column and located in an inner cavity of the earphone inner shell, and a damping part for buffering rotation of the positioning column is arranged on the outer side of the positioning column; according to the utility model, the rotating component is arranged at the joint of the ear hook and the earphone inner shell, the damping part in the rotating component buffers the rotation of the positioning column, and the earphone can rotate by 360 degrees relative to the ear hook through the positioning column, so that compared with other ear-hanging earphones, the earphone can adjust the ear hook to an angle matched with a wearer, and the earphone is more convenient to use. Therefore, the ear hanger adapts to ears of a wearer, and the unadjustable angle of the ear hanger is avoided.
Owner:HUIZHOU XINLIXIN ELECTRONICS CO LTD

Convertible door seal device for epidemic prevention area

PendingCN119507784ASolve the non-adjustableSealing arrangementsStructural engineeringMechanical engineering
The invention relates to a convertible door seal device for an epidemic prevention area, and relates to the field of ship construction technical equipment, the convertible door seal device comprises a mounting shell, a gap adjusting assembly is arranged in the mounting shell, and the gap adjusting assembly is slidably connected with the mounting shell; and a first driving assembly for driving the gap adjusting assembly to move up and down is arranged in the mounting shell, and the gap adjusting assembly adjusts the opening of the door gap. The indoor air pressure adjusting device has the effect of adjusting the indoor air pressure by adjusting the flow area of the door slot.
Owner:GUANGZHOU SHIPYARD INTERNATIONAL LTD

A differential chassis-oriented AGV trolley curve trajectory deviation calculation method

The application discloses a kind of AGV trolley trajectory deviation calculation method for differential chassis, it belongs to the field of electromechanical control technology.The present application solves the problem of existing method, such as trajectory is not adjustable, poor motion stability.The method of the present application first constructs the kinematic model and control model of AGV trolley of differential chassis, and establishes trajectory deviation calculation model based on kinematic model, control model and cascade PID control.According to trajectory deviation calculation model, the deviation between the predetermined trajectory and the actual trajectory during the process of AGV trolley of differential chassis passing through the bend can be calculated, and the trajectory deviation value of each trajectory is obtained, and then the best trajectory is selected, which helps to improve the motion control accuracy and stability of AGV trolley.The method of the present application can be applied to the trajectory selection of AGV trolley of differential chassis.
Owner:HARBIN INST OF TECH +1