7 results about "Charged body" patented technology

It suppresses the increase in electrical resistance of charged objects. [Solution] The charging device 34 includes a charging roll 40, which is an example of a charging body, that rotates in contact with a photoreceptor 32, which is an example of an object to be charged, to charge the object to be charged, and a cleaning brush 50, which is an example of a cleaning body, that contacts the charged object to clean the charged object and has a contact pressure of 0.01 N / cm or more and 0.05 N / cm or less on the charged object.

The application discloses an electrostatic induction electrode array system simulating a shark electroreceptor organ, which comprises a charged target, an electrostatic field and a hemispherical electrostatic induction electrode array, wherein a detection electrode of the hemispherical electrostatic induction electrode array comprises a cylinder structure composed of an induction plate, an insulating substrate and a shielding electrode, the inside bottom end of the cylinder structure is the induction plate in the shape of a circular plate, the induction plate is used for sensing the space electrostatic field and is connected to a signal input end of an electrostatic sensor, the insulating substrate is used for electrically separating the induction plate from the shielding electrode, the shielding electrode is connected to a power supply ground of the electrostatic sensor and is used for blocking the influence of the lateral electrostatic field on the induction plate, the detection electrode obtains a current value of the charged target, and the current value is used for representing an electrostatic signal generated when the detection electrode passes through the charged target. The application realizes a high spatial resolution electrostatic field sensor, can improve the sensing area and the spatial resolution of a space electrostatic field of an unmanned platform, and accurately senses the attack direction of a flying charged body.

This invention discloses a shaped charge for slotting and its blasting method, relating to the field of rock tunnel blasting technology. It facilitates the avoidance of "waste" of explosive energy within the blast holes in the slotting area, thereby improving slotting efficiency and blasting construction quality, and enhancing the rock-breaking effect of slotting blasting. The shaped charge includes: a charge body, which is a tubular structure with a hollow portion, the axial hollow surrounding portion of the tubular structure forming an internal chamber, and multiple axial grooves on the sidewall of the tubular structure; explosive, filling the internal chamber of the charge body; and a shaped charge component, having an outer surface adapted to the inner contour of the grooves, correspondingly engaging with the grooves, with the inner end of the shaped charge component pressing against the outer surface of the explosive. This invention is applicable to rock tunnel blasting scenarios.

To provide a power generation element that is easy to manufacture and capable of improving power generation performance. [Solution] The present invention relates to a power generation element comprising two electrodes spaced apart from each other, and a charged body placed in contact between the two electrodes, wherein the charged body includes a positively charged layer and a negatively charged layer in surface contact with the positively charged layer, and the positively charged layer includes rubber as a matrix material and a conductive filler with higher conductivity than the rubber.

This invention discloses an adjustable local electric field generating device. The main body of the electric field generating device is mounted on a displacement frame. First, second, third, and fourth electrode plates are all mounted within the main body frame, which is itself mounted on the displacement frame. The first, second, third, and fourth electrode plates are electrically connected to an external dual-channel DC voltage source, which is in turn electrically connected to two external continuously adjustable DC boost modules. This invention provides a convenient device for assembly, movement, and disassembly. The magnitude, position, and direction of the generated local electric field can be flexibly adjusted according to actual engineering needs. It can apply an adjustable local electric field in the direction of movement of a charged body, meeting the requirements for generating different local electric fields in different time domains. It is also very easy to operate and adjust, avoiding interference between the electric field generating device components and the movement of the charged body, and enabling precise control of the shape, velocity, and position of the charged body.

The application discloses a space target direction identification algorithm based on an array type electrostatic detector and belongs to the technical field of space target detection. The application detects space potential by deploying an electrostatic detector electrode array on the surface of a spacecraft, obtains local electric field distribution through a space interpolation method, obtains an equipotential line by connecting a point with the same potential as the potential of a center point of the electrode array region, solves the equation of an equipotential circle where the center point is located according to the coordinates of each point on the equipotential line, determines the direction of the charge center of a target charged body, and realizes non-contact detection of space targets such as micro space debris in the environment of the spacecraft.

A potential difference measurement device (101) comprises: a light source (1); a semiconductor optical element (3) in which free carriers generated by the presence of charged particles absorb incident light incident from the light source (1), thereby reducing the intensity of emitted light that is emitted, relative to the intensity of the incident light; a detector (5) that detects the intensity of the emitted light; and a calculation unit (6) that calculates the intensity difference of the emitted light between before and after the reduction. The intensity difference varies according to the potential difference between outer space and a charged body (10) charged by the charged particles. The calculation unit (6) measures the potential difference by calculating the intensity difference in a state in which the semiconductor optical element (3) is disposed on the charged body (10) and the surface potential of the semiconductor optical element (3) is set to the same potential as the potential of the charged body (10) or to a potential having a predetermined potential difference with the potential of the charged body (10).