9results about How to "Achieve dimming" patented technology

The invention discloses an electromagnetic shielding-based layered wiring structure with a main manipulator easy-to-disassemble design. The structure comprises a structural member serving as a supporting framework and an easy-to-disassemble shell detachably mounted on the outer side of the structural member, and the structural member and the easy-to-disassemble shell are matched to form a wiring space; a guiding shielding piece is arranged in the wiring space and divides the space into at least two physical levels, and the guiding shielding piece is used for guiding different types of main wire harnesses to conduct layered wiring and achieve electromagnetic shielding. In addition, a first closed space formed by a fixing plate and an electromagnetic shielding cover is arranged in the base frame so as to contain a control element, and the tail end holding rotation mechanism guides the cable to be arranged in a split mode through the wiring open groove and the axial channel. According to the invention, electromagnetic crosstalk is effectively inhibited through layered shielding wiring, and the signal precision is improved; the maintenance process is simplified by utilizing the easy-to-disassemble shell; and through a scientific wiring path, the abrasion and shearing risks of the cable under complex movement are prevented, and the reliability and durability of the main manipulator of the surgical robot are remarkably enhanced.

The invention relates to a dimming control system, a dimming control device, a control chip and a dimming control method. The dimming control system includes: a power switch that is turned on or off based on a switch control signal to control power supply to the lamp; and a control chip for generating a switch control signal, the control chip comprising: a dimming control module configured to generate a dimming control signal based on a dimming signal for the lamp, the switch control signal being generated based on the dimming control signal, and the dimming signal being switched on when the time of an on stage of the dimming signal is greater than or equal to a preset time; in the turn-off stage of the dimming signal, the dimming control signal and the dimming signal are turned off consistently, and the switch control signal is turned off synchronously; under the condition that the time of the turn-on stage of the dimming signal is less than the preset time, in the turn-off stage of the dimming signal, the dimming control signal is turned off after delaying at least one period of the switch control signal relative to the dimming signal, and the switch control signal is turned off after continuing at least one period.

The utility model discloses a dimmable LED bulb lamp which comprises a lamp holder body, a lamp cup and a light-transmitting bulb shell, an LED light-emitting device is arranged in the light-transmitting bulb shell, a driver is arranged in the lamp holder, the LED light-emitting device is electrically connected with the driver, a dimming module is arranged in the driver, the dimming module is regulated and controlled through a dial switch, the dial switch is arranged in the lamp cup, and the dimmable LED bulb lamp is arranged in the lamp cup. An opening groove penetrating through the inside and the outside is formed in the side wall of the lamp cup, and the LED lamp is characterized in that an adjusting and controlling ring is rotatably installed outside the lamp cup in a sleeved mode and covers the opening groove, a shifting seat is arranged on the inner wall of the adjusting and controlling ring in a protruding mode, and a positioning groove is formed in the shifting seat in a sunken mode. The toggle base is located in the open groove and can be arranged in the open groove in a toggle mode around the central axis of the lamp cup, and the outer side toggle end of the dial switch is embedded in the positioning groove. The LED lamp has the advantages that the structure is simple, the regulating ring is used for covering the opening groove formed in the lamp cup, the structure of the whole lamp body is complete, and the service life of the lamp body can be effectively guaranteed.

This invention relates to the field of leech farming greenhouse technology, and discloses a dimmable and escape-preventing leech farming greenhouse, comprising several ground stakes, with a column fixedly installed on the top of each ground stake, and a shielding component installed on the column; an installation mechanism, which is disposed on the column, and installs the shielding component through an installation shell, a winding reel, a fixing shell, and a pressure plate; by setting up the installation mechanism, the shielding component slides in the column groove on both sides through sliding blocks, and is pressed tightly by the pressure plate and ball bearings, ensuring a seamless seal throughout the process, reducing the escape of leeches through gaps. The shielding component integrates a rainproof film, a sunshade cloth, and an escape-preventing net into a single unit using high-frequency welding, replacing the traditional separate structure, and simultaneously achieving dimming, rain protection, and escape prevention, adapting to the low-light growth habits of leeches, making operation more efficient, and by setting up multiple layers of shielding components, the dimming can be quickly adjusted by increasing or decreasing the number of shielding components.

The invention provides a display control circuit of an airborne display, and relates to the technical field of display, the display control circuit comprises a logic device and a watchdog, the logic device sends a dog feeding signal to the watchdog regularly, and the watchdog is used for sending a reset signal to the logic device; the RC oscillating circuit is used for providing a reference sine wave clock signal, and the Schmitt trigger is used for generating a PWM (Pulse Width Modulation) signal; the first input end of the switch is used for receiving a PWM signal output by the trigger, the second input end of the switch is used for receiving a PWM signal output by the logic device, the third input end of the switch is used for receiving a PWM switching signal output by the watchdog, and the output end of the switch is connected with the LED driver so as to drive the LED driver according to the switching signal output by the watchdog. And the connection channels of the switch are switched, so that the normal operation of the LED driver is ensured. According to the method, the phenomena of black screen, splash screen and the like of the airborne display can be avoided, a clear prompt is provided when a fault occurs, and normal reading of messages is ensured.

The utility model discloses an LED lamp with a dimming function, which comprises a mounting plate, a detachable lamp wick is mounted on the mounting plate, a detachable lampshade is arranged at the bottom of the mounting plate and corresponds to the lamp wick, clamping fixing components for fixing the lampshade are mounted on two sides of the bottom of the mounting plate and correspond to the lampshade, and the lamp wick comprises LED lamp beads. And mounting lugs are fixedly connected to the two sides of the LED lamp bead. According to the LED lamp, brightness adjustment of the LED lamp beads can be achieved by arranging the transformer, meanwhile, the connecting sliding block is pulled by pulling the handle, then the sliding clamping block can be driven to move, the sliding clamping block is separated from the corresponding clamping groove, and therefore the lampshade can be disassembled conveniently and rapidly, and then the LED lamp can be assembled and disassembled conveniently by loosening the installation bolt. Therefore, the LED lamp beads can be conveniently detached, the LED lamp beads can be conveniently maintained or replaced, and the practicability of the LED lamp is improved.

The present invention relates to a conveying device for conveying at least a fluid, the conveying device comprising: at least one conveying chamber (18); at least one conveying chamber element (20), which at least partially delimits the conveying chamber (18) and is designed in a dimensionally stable manner; at least one elastically deformable and in particular annular conveying element (22), in particular a conveying membrane, which together with the conveying chamber element (20) delimits the conveying chamber (18) and is arranged on the conveying chamber element (20); and at least one pressing unit (96), which is used to generate a non-uniform pressing force, in particular at least in a sealing area (102) between the conveying element (22) and the conveying chamber element (20) along the maximum total range of the sealing area (102), in particular along the maximum circumferential range between the conveying element (22) and the conveying chamber element (20), in a non-conveying state of the conveying element (22). According to the present invention, the clamping unit (96) is designed so that the conveying element (22) has an uneven compression along the maximum total range of the sealing area (102), in particular along the maximum circumferential range of the annular conveying element (22), at least in the non-conveying state of the conveying element (22), wherein due to the geometric design of the clamping surface (104) of the clamping element (98, 100) of the clamping unit (96), the conveying element (22) is compressed by the clamping unit (96) to different degrees along the maximum total range of the sealing area (102), in particular along the maximum circumferential range of the annular conveying element (22).

The utility model discloses an LED matching module, comprising a signal separation circuit and a constant current dimming circuit, the signal separation circuit can separate a PWM signal from a DC voltage VB, and the signal separation circuit is electrically connected with the constant current dimming circuit so as to control the magnitude of the output current of the constant current dimming circuit through the PWM signal. An additional control line does not need to be connected to the LED matching module to carry out dimming control on the constant-current LED load, so that the circuit is simplified, and dimming of the constant-voltage LED load and the constant-current LED load can be realized at the same time under one constant-voltage dimming module.

The utility model discloses an LED dimming circuit, comprising a constant voltage dimming module and an LED matching module, the control end of the constant voltage dimming module inputs a first PWM signal, the output end of the constant voltage dimming module outputs a voltage VB, the output end of the constant voltage dimming module is electrically connected with the input end of a constant voltage type LED load and the input end of the LED matching module, and the LED matching module is electrically connected with the control end of the constant voltage dimming module. The LED matching module can separate a second PWM signal from the voltage VB, the second PWM signal can control the magnitude of the output current of the LED matching module, and the output end of the LED matching module is electrically connected with a constant-current LED load.