2069results about "Corona discharge" patented technology

To provide an electrophotographic member with improved filming, and a development roller.SOLUTION: The present invention is an electrophotographic member having a Hansen solubility parameter dispersion term δD of 17.0 MPa0.5 or less, a polar term δP of 8.0 MPa0.5 or less, and a hydrogen bond term δH of 7.0 MPa0.5 or less. A development roller of the present invention uses the electrophotographic member of the present invention in a coating layer.SELECTED DRAWING: Figure 1

An electrophotographic member, comprising: a support member having a conductive outer surface; and a conductive layer disposed on an outer surface of the support member, wherein the conductive layer comprises a matrix comprising a first rubber, and a plurality of domains dispersed in the matrix, volume resistivity of the matrix is 1.00×1012 Ω·cm or less, the plurality of domains comprise at least one domain A, and the domain A satisfies specific conditions, in a case where impedance of the electrophotographic member is measured by applying specific AC voltage while changing frequency in a range of 1.0×10−2 to 1.0×107 Hz and the specific plotting is done, a slope at a specific frequency is −0.80 to −0.30, and the impedance in a specific frequency is 1.00×103 to 1.00×107Ω.

The invention relates to the technical field of lightning protection, in particular to a positioning clamp for an ancient building lightning protection device, which comprises a mounting seat, a plurality of support frames are rotatably connected to the mounting seat, a cornice clamp mechanism is rotatably connected to one end of each support frame, and a protective seat is movably clamped to one support frame. A mounting frame is rotationally connected in the protection seat, a lightning rod is rotationally connected in the mounting frame, a retracting and releasing mechanism is rotationally connected to the inner wall of one end of the mounting frame, and an arc-shaped brush plate is arranged in the mounting frame in a sliding fit mode. The lightning protection device is installed on the ancient building pavilion, has higher adaptability, stability and attractiveness, can accurately adapt to a cornice structure, avoids damage to a building, improves installation convenience, improves safety and stability of the lightning protection device, and ensures the lightning protection effect of the pavilion and building integrity.

An ozone generating cell includes a corona discharge chamber with a curved side wall. The cell includes a high-voltage electrode, a ground electrode, and a dielectric material positioned between the high-voltage electrode and the ground electrode. The cell includes a gas channel formed between the dielectric material and the ground electrode. The channel has a first end in fluid communication with a gas opening in the dielectric material, which is in fluid communication with a gas port. The channel has a second end in fluid communication with another gas port. The channel further includes multiple concentric segments between the first and second ends of the channel.

The present invention relates to a method for producing an ionization rod and an ionization rod produced according to the method. The invention is characterized in that in a U-shaped duct profile (1) a main line (4) for supply current is placed, in that from this main line branch lines (3) are connected with adjacent carbon fibre brushes held in protective sleeves and in that a thermosetting plastic are laid into the duct profile covering the main part of the protective sleeves.

Provided is an electrophotographic member comprising: a substrate having a conductive surface, an elastic layer, and a surface layer, in which an impedance of the electrophotographic member is in a range of 1.0×103 to 1.0×108Ω, the elastic layer comprises a first phase comprising at least a first rubber, and a second phase comprising a second rubber and conductive particles, a thickness of the elastic layer is 10 μm or more, the elastic layer has a matrix-domain structure in which domains composed of the second phase are dispersed in a matrix composed of the first phase in a region of 5 μm or more in a depth direction from an interface between the elastic layer and the surface layer, and the amount of the second phase in the elastic layer is greater near the surface and less in the internal region.

The image forming apparatus includes an image carrier, a charging unit, an exposure unit, a developing unit, a transfer unit, a cleaning blade, and a controller. The controller detects printing-coverage rates on a basis of plural areas divided in the longitudinal direction of the image carrier. Upon occurrence of a difference exceeding a specified threshold value among the coverage rates of the plural areas, the controller executes, for a duration of specified aging time, aging process in which the image carrier is driven into rotation in its charged state.

The present disclosure relates to a negative ion generating device and an air purifier. The negative ion generating device includes a housing, a negative ion assembly, and a cleaning assembly. The negative ion assembly is arranged to the housing, and the negative ion assembly includes a conductive fiber brush. The cleaning assembly is arranged to the housing, the cleaning assembly includes a driving mechanism and a cleaning member, and the cleaning member can move under action of the power provided by the driving mechanism, and contact or separate from the conductive fiber brush during movement.

The invention relates to the technical field of charging rollers, in particular to a hollow charging roller with a stable conductive plug structure, which comprises a hollow roller shaft, a conductive sleeve and a threaded plug, the outer side of the hollow roller shaft is fixedly connected with a conductive sleeve, the two ends of the hollow roller shaft are in threaded connection with threaded plugs, and fastening mechanisms are arranged in the threaded plugs. The fastening mechanism comprises an empty groove formed in one side of the threaded plug, and a rotary handle is rotationally connected to the inner wall of the empty groove. According to the hollow charging roller with the stable conductive plug structure, the two sets of threaded plugs are rotationally installed at the two ends of the hollow roller shaft correspondingly, then the rotary handles are rotated to prevent the threaded plugs from loosening, and the two ends of the hollow roller shaft are plugged.

A process cartridge includes a charging unit, (I) wherein the charging unit includes a conductive member, wherein the conductive member includes a conductive layer disposed on an outer surface of a support, the conductive layer has a matrix-domain structure including a matrix and a plurality of domains, the matrix contains a first rubber, the domains contain a second rubber, and (II) wherein the toner includes agglomerates containing silica fine particles and binding components on surfaces of the toner particles, and wherein a relationship of Dms<Ag is satisfied, where Dms is an arithmetic mean of distances between adjacent domains at the outer surface of the conductive roller, and Ag is an arithmetic mean of Feret diameters of the agglomerates.

An image forming apparatus includes a photosensitive member, a charging member, a charging voltage applying portion, an exposure unit, a developing member, a developing voltage applying portion, a transfer member, a transfer voltage applying portion, and a controller. In a discharging operation, an exposure surface is formed on a photosensitive member surface by exposing the photosensitive member surface to light by the exposure unit. The controller carries out control so that: a developing voltage on a side of a predetermined polarity relative to an exposure surface potential is applied to the developing member; a transfer voltage less than a discharge start voltage in absolute value of a potential difference between itself and the exposure surface potential of the is applied to the transfer portion; and a charging voltage on the side of the predetermined polarity relative to the exposure surface potential is applied to the charging member.

The invention discloses a high-voltage discharge protection device, low-voltage equipment and a detection robot, the protection device is used in the low-voltage equipment in a high-voltage environment, and the protection device comprises an arc striking body and at least one inductor; the arc striking body is located between a high-voltage body in a high-voltage environment and a metal shell of low-voltage equipment, and the inductor is electrically connected with the arc striking body and the inductor, so that the arc striking body, the inductor and the metal shell form a discharge object of the high-voltage body. The arc striking body can guide the discharge of the high-voltage body so as to generate high-frequency electromagnetic radiation on the arc striking body, and then the high-frequency electromagnetic radiation is filtered by using the inductive electricity, so that the high-frequency electromagnetic radiation can only act on the metal shell of the low-voltage equipment after being filtered, and finally, the voltage acting on the metal shell is slowly changed; therefore, transient voltage change cannot be generated on the metal shell, secondary electromagnetic radiation is avoided, a circuit in the low-voltage equipment is effectively protected, and normal operation of a low-voltage circuit in the metal shell is ensured.

The invention discloses a transformer with a leading-out device, and relates to the technical field of transformers. The transformer comprises a transformer body, a mounting plate is fixedly connected to the top of the transformer body, supporting legs are fixedly mounted at the top of the mounting plate through bolts, a rainproof top plate is fixedly connected to the tops of the supporting legs, and a leading-out device mounting mechanism is arranged at the top of the rainproof top plate; the lead-out device mounting mechanism comprises a mounting cylinder, a lightning rod and a mounting shell, and through the arrangement of the lead-out device mounting mechanism, the lightning rod can be firmly mounted on the top of the rainproof top plate through the cooperation of the lightning rod, the threaded column, the mounting shell, the mounting cylinder, the lead-out ground wire and other components, so that the lightning protection of the transformer main body is realized; and when the lightning rod needs to be overhauled, the mounting shell can be bounced upwards after the piston rods A on the two sides are pulled upwards, at the moment, the mounting shell and the lightning rod can be taken down, and follow-up overhauling work is facilitated.

The invention discloses a power transmission tower with a protection function, and relates to the technical field of power transmission towers, the power transmission tower comprises a power transmission tower main body of a rectangular frame structure, and the inner wall of the top end of the power transmission tower main body is connected with a wire used for transmitting a main carrier of electric energy in an inserted mode; the outer wall of the bottom end of one side of the power transmission tower body is in threaded connection with an insulator used for connecting the insulated wire and the power transmission tower body and conducting current to the power transmission tower body, a balance reset mechanism is arranged on the outer wall of one side of the insulator, and a current guiding mechanism is arranged at the center of the lower portion of the wire. A sag suppression mechanism is arranged on the outer wall of the lower portion of the wire, a long tooth plate block and a short tooth plate block are matched with each other, a balance reset mechanism can automatically adjust the tension difference between the wires, and therefore the stability of the wires is maintained, and the balance reset mechanism can reduce wire shaking; therefore, the occurrence of short-circuit accident risks caused by contact of the wires under strong wind or other extreme conditions due to non-uniform tension among the wires is reduced.

The invention discloses a comprehensive meteorological early warning system based on multi-source data fusion and artificial intelligence, and the system comprises a climate data collection module which is used for obtaining climate data; the climate data analysis module is used for receiving the climate data, calculating the climate data through an artificial intelligence algorithm and combining with a pre-constructed climate model to carry out climate prediction to obtain a prediction result; and the early warning module receives the prediction result and generates early warning information according to the prediction result. The historical climate data, the satellite remote sensing climate data and the real-time weather monitoring data are integrated, the climate data analysis module analyzes and processes the data to obtain the prediction result, and the early warning module generates the early warning information according to the prediction result, so that the prediction accuracy is ensured, the intelligence and the dynamics of the early warning mechanism are realized, and the early warning efficiency is improved. Powerful support can be provided for the development of strategic emerging industries.

The invention relates to the technical field of cable lightning protection, in particular to a cable with a lightning protection device, which comprises a cable, mounting plates are arranged at the upper end and the lower end of the cable, the two mounting plates are fixedly connected with each other, cooling mechanisms capable of cooling the cable are fixedly connected to the opposite ends of the two mounting plates, and the cooling mechanisms can cool the cable. The opposite ends of the two mounting plates are fixedly connected with conductive blocks, the left and right ends of the conductive blocks are fixedly connected with trigger mechanisms, the trigger mechanisms are further fixedly connected to the upper end of a cable, the opposite ends of the two mounting plates are further fixedly connected with two mounting machine shells, and the outer wall of each mounting machine shell is fixedly connected with the adjacent conductive block; each trigger mechanism is located in the adjacent installation machine shell, the outer wall of each installation machine shell is further fixedly connected with a limiting mechanism capable of limiting and fixing the outer wall of the cable, the upper end of the conductive block located above the cable is fixedly connected with a lightning rod, and the bottom of the conductive block located below the cable is fixedly connected with a conductive wire.

An image forming apparatus includes a rotatable image bearing member, a charging member, a developing member, a transfer member, an exposure unit, and a controller. The controller executes a preparatory operation in which, before an image forming operation, rotation of the image bearing member is started and a charging voltage and a developing voltage are increased stepwisely. In the preparatory operation, the controller carries out control so as to start application of the charging voltage at a voltage value not less than a discharge start voltage of the charging member before a surface region of the image bearing member positioned in a developing portion at a time of a start of the rotation of the image bearing member reaches a charging portion in a state in which a surface of the image bearing member is exposed to light by the exposure unit.

The utility model discloses a 35kv fixed series gap removable hanging lightning arrester device. The 35kv fixed series gap removable hanging lightning arrester device comprises a first insulator assembly, a second insulator assembly and a lightning arrester assembly which are used for discharging, a pure air fixed series gap is formed between the high-voltage end of the first insulator assembly and the high-voltage end of the second insulator assembly; the low-voltage end of the first insulator assembly is connected with the low-voltage end of the second insulator assembly through a mounting bracket; a low-voltage end assembly is arranged at the side end of the mounting bracket; the high-voltage end of the second insulator assembly is provided with a high-voltage end assembly, and the high-voltage end assembly is detachably connected with the top of the lightning arrester assembly. And the low-voltage end assembly is detachably connected with the bottom of the lightning arrester assembly. According to the utility model, the first insulator assembly, the pure air fixed series gap, the second insulator assembly and the lightning arrester assembly are combined, so that the lightning stroke failure rate of the 35kV overhead transmission line can be greatly reduced; through the high-voltage end assembly and the low-voltage end assembly, an installation mode capable of being rapidly disassembled and replaced is provided for the lightning arrester assembly.

An image forming apparatus includes an image holder; a charging unit that charges a surface of the image holder; an electrostatic charge image forming unit that forms an electrostatic charge image on the charged surface of the image holder; a developing unit that accommodates an electrostatic charge image developer containing a toner having toner particles and that develops an electrostatic charge image formed on the surface of the image holder as a toner image by the electrostatic charge image developer, in which a release agent present in a region within 800 nm from a surface of the toner particles is 70% or more of a release agent in entire toner particles and a melting temperature of the release agent is 65° C. or higher and 80° C. or lower; a transfer unit that transfers the toner image formed on the surface of the image holder to a surface of a recording medium; and a cleaning device having a cleaning blade that is brought into contact with and cleans an outer peripheral surface of the image holder and that is constituted of a polyurethane resin, in which a total amount of F and Si present within 200 nm from a surface of the cleaning blade, which is brought into contact with the image holder accounts for 75% or more of a total amount of F and Si present within 5 μm from the surface.

A charging roller comprises a conductive shaft, an elastic body layer, and a surface layer. The surface layer contains a binder resin and conductive particles. The binder resin contains only a thermoplastic resin. The thermoplastic resin has a water contact angle of not less than 40° but less than 180°. The conductive particles contain first conductive particles and second conductive particles. The first conductive particles are metal oxide particles. A content of the first conductive particles in the surface layer is not less than 15.0 parts by mass but not more than 200.0 parts by mass with respect to 100.0 parts by mass of the binder resin. A particle size distribution of the conductive particles has at least one peak within a range of not less than 0.01 μm but not more than 1.00 μm.

To prevent a situation in which overcurrent flows and an overcurrent protection function is actuated, during setting of an initial value of applied voltage to be applied to an image carrier.SOLUTION: An image forming apparatus has: a voltage generation unit that generates applied voltage in which AC voltage is superimposed on DC voltage; an image carrier on which an electrostatic latent image is formed; a charging member that electrostatically charges the image carrier on the basis of the applied voltage from the voltage generation unit; a current detection unit that detects current flowing from the voltage generation unit to the image carrier; a storage unit that stores a previous voltage value indicating the value of the applied voltage in the previous charging of the image carrier; and a control unit that controls the operation of the voltage generation unit on the basis of the current detected by the current detection unit. When the previous voltage value stored in the storage unit is equal to or more than a reference value during setting of an initial value of the applied voltage, the control unit sets the initial value to the reference value.SELECTED DRAWING: Figure 3

The invention belongs to the technical field of battery processing, and particularly relates to a battery diaphragm mother roll pretreatment device which comprises a bottom plate, the bottom plate is an assembly main body of the treatment device, a treatment box is fixedly installed in the middle of the top face of the bottom plate, and through openings are symmetrically formed in the upper portions of the two sides of a box body of the treatment box; a storage box is fixedly assembled on one side of the treatment box, a gap is formed between the treatment box and the storage box, the treatment box and the storage box communicate with each other through a communicating pipe, and a through opening is also formed in the upper portion of the side, facing the storage box, of the treatment box. Dual mechanisms of the corona electricity removal mechanism and the ion electricity removal mechanism are arranged, the corona electricity removal mechanism ionizes air through high-voltage corona, ionized ions neutralize electrostatic charges on a battery diaphragm, the ion electricity removal mechanism sprays ion flow to the battery diaphragm through a power pump, a conveying pipe and a spray head, the electrostatic charges on the surface of the ion flow are further neutralized, and therefore the battery diaphragm is purified. Therefore, static electricity on the battery diaphragm is effectively eliminated.

The invention relates to the technical field of image forming, and particularly provides a conductive component, a processing box and an image forming device. The conductive part comprises a plurality of conductive parts, each conductive part comprises an electric contact, and the electric contacts are used for being in contact with a power supply part so as to be connected with a power source; the first projection lengths of at least two of the plurality of electric contacts in the second direction are different; the first projection length is the length between the first projection position and the second projection position; the first projection position is the projection position of the electric contact in the second direction; the second projection position is the projection position of the first reference position in the second direction; the first reference position is any point of one side, far away from the electric contact, of the conductive part; the installation direction of the processing box is the first direction, the second direction of the conductive part intersects with the first direction, and the second direction is parallel to the axial direction of the roller piece. In conclusion, according to the technical scheme provided by the invention, positioning assistance can be realized while the conductivity is realized, and the positioning precision can be improved.

The application relates to the technical field of image forming, in particular to a conductive component, a process cartridge and an image forming device. The conductive component is arranged on the process cartridge or the image forming device. The process cartridge is detachably mounted into the body of the image forming device. The mounting direction of the process cartridge is a first direction. The conductive component comprises: a plurality of conductive pieces, the conductive pieces are used for realizing the electrical connection between the power supply piece of the image forming device and the load piece of the process cartridge, and at least one load piece comprises a roller piece; the conductive piece comprises an electric contact point, the electric contact point is used for contacting the power supply piece to access the power supply; wherein at least two of the plurality of electric contact points are arranged at intervals along a second direction; the second direction intersects with a third direction and the first direction; and the third direction is parallel to the axial direction of the roller piece. In conclusion, the technical scheme provided by the application can reduce the number of electric contact point scratches and improve the power supply stability.

A charging roller includes a conductive shaft, an elastic body layer formed on an outer periphery of the conductive shaft, and a surface layer formed on an outer periphery of the elastic body layer. The surface layer contains a binder resin and conductive particles. The binder resin contains only a thermoplastic resin. The conductive particles contain first conductive particles and second conductive particles. The first conductive particles are carbon black particles. A particle size distribution of the conductive particles has at least one peak within a range of not less than 0.01 μm but not more than 1 μm. A water contact angle x of the thermoplastic resin and a content y of the first conductive particles in the conductive particles satisfy the following expressions: 40≤y, y≤(800 / 27)x+(280 / 9), and y≤−8x+200.

The invention provides a communication signal house lightning protection grounding construction method based on a BIM technology, and belongs to the technical field of house lightning protection grounding construction. S2, carrying out BIM construction deepening design; s3, grounding body construction; s4, laying a down lead; s5, constructing a lightning protection belt; s6, constructing a lightning protection network; s7, prefabricating components and accessories; s8, house shielding construction; and S9, grounding test acceptance. The invention can solve the problems that the lightning protection grounding construction method of the communication signal house needs a large amount of pre-burying work, the difficulty of later rectification is high, and the maintenance cost is increased.

An ion generator includes a high voltage source, a body defining a central axis, and multiple arms extending from the body. The body has a primary conductive line electrically coupled to the high voltage source, and a first insulating covering surrounding the primary conductive line. Each arm has an emitter array and a secondary conductive line. The emitter array is disposed at a distal end of the arm relative to the body. The secondary conductive line is electrically coupled to the primary conductive line at a proximal end of the arm relative to the body and extends to the emitter array. The arms are distributed about the central axis, such that the orientations of the emitter arrays and the connection of each arm to the central body are distributed helically, spirally, or symmetrically with respect to other arms, relative to the central axis.

The utility model relates to the technical field of high-voltage lightning arrester, specifically to an arrester that is easy to maintain, including an insulating rod, the bottom of the insulating rod is welded to the top of a fixed stand, a contact protection layer is provided above the inner wall of the insulating rod, the inner wall of the insulating rod is located at a lower position and is rotatably connected to a driving gear through a mounting frame, the driving gear is meshingly connected to a driven gear, a lead screw is passed through and installed at the axis of the driven gear, the lead screw is rotatably connected to the inside of the insulating rod through a bearing installed inside the insulating rod, and a lightning rod is threadedly connected to the surface of the lead screw. The improved arrester that is easy to maintain, through the transmission structure of the gear, the lead screw drives the lightning rod to rise and fall inside the insulating rod, and the brush head attached to its outer wall is used to clean the surface of the rising and falling lightning rod, which can avoid the tediousness of manual direct contact wiping and improve the convenience and safety of maintenance.