293results about How to "Reduce drive costs" patented technology

Disclosed in a non-contacting electric potential sensor capable of being readily reduced in its size, which includes a detecting electrode, an electrically-conductive movable shutter, and a driving unit for driving the electrically-conductive movable shutter. The detecting electrode is to be placed facing a measurement object whose electric potential is to be measured. The electrically-conductive movable shutter is disposed so as to be movably located in a spacing formed between the detecting electrode and the measurement object when the detecting electrode is placed facing the measurement object, so that an exposure degree of the detecting electrode against the measurement object can be controlled. The driving unit includes a current injecting unit for selectively injecting current into the electrically-conductive movable shutter in a direction approximately perpendicular to a moving direction of the electrically-conductive movable shutter.

Pressing plates press side faces of a roll paper loaded into a roll paper holder unit of the drop-in type, thereby preventing overrun of the roll paper caused by an inertia force from occurring. Each of the pressing plates is urged by two coil springs which are placed respectively on inner and outer circumference sides of the roll paper. The coil spring on the outer circumference side has a higher elasticity than the coil spring on the inner circumference side. According to the configuration, the pressing force of the pressing plates due to the elasticity of the coil springs is gradually reduced in accordance with reduction of a diameter of the roll paper.

The invention relates to the technical field of packaging, in particular to an adhesive tape box sealing device, which comprises a support frame, a packaging table and an annular gear ring, wherein the gear ring can be arranged on the support frame in a pivoting manner; the packaging table is arranged in an annular space of the gear ring. When a carton box sealed by an adhesive tape, 360-degree adhesive tape sealing of the carton box can be implemented without overturning the carton box for many times, and therefore time and labor are saved. Compared with an existing assembly line carton box sealing technique, the device has the advantages of simple structure, low cost, small occupied area, manual operability and capability of saving driving cost and energy cost.

The invention relates to an automatic sun tracking device, and belongs to the technical field of solar utilization. The device comprises a condensation module array, a drive mechanism, a tracking control circuit, a sensor and the like. A set of control and drive mechanism controls and drives hundreds of to tens of thousands of sunlight receiving devices to track the sun; and the receiving devices comprise a condensation or non-condensation photovoltaic cell assembly, a heat energy receiving device, a sunlight reflector, a sunlight refractor and the like and are used for photovoltaic power generation or heat energy application and used for reflecting or refracting the sunlight to a receiver on a tower for photovoltaic power generation or heat energy application and the like. The device has simple structure, is not easy to deform, has good wind resistance, high tracking precision and low cost, and can be used for various solar utilization systems.

A pixel array of a fringe field switching (FFS) liquid crystal display panel includes a plurality of gate lines, a plurality of data line, a plurality of pixel electrodes, and a plurality of common lines. The gate lines are disposed parallel to each other along a first direction. The data lines are disposed parallel to each other along a second direction. A plurality of sub-pixel regions is defined by the gate lines and the data lines. The common lines are disposed along the first direction and electrically isolated from each other. Each of the common lines includes a plurality of common electrodes extending along the second direction. The two adjacent common electrodes of each common line are respectively disposed in the two adjacent sub-pixel regions which are located in different rows.

The invention provides a driving system and method of a backlight source. The system specifically comprises M sets of backlight sources, N paths of driving circuits and a gating circuit, wherein each set of the backlight sources comprises N paths of backlight, M is an integer larger than or equal to 2, the N paths of backlight in each set of the backlight sources are connected with the N paths of the driving circuits respectively, and the gating circuit is connected with the M sets of the backlight sources and used for carrying out time sharing option on one set of the backlight sources in the M sets of the backlight sources so as to enable the one set of the backlight sources in the M sets of the backlight sources to be driven by the N paths of the driving circuits to emit light in one scanning cycle. According to the system and method, the number of the driving circuits can be reduced.

The invention relates to an LED (light-emitting diode) constant-current driving circuit which comprises a first filtering module, a voltage transformation module, a rectifying module, a second filtering module and a constant-current module, wherein the input end of the first filtering module is connected with the input end of an alternating-current power supply and used for filtering electromagnetic interference between the alternating-current power supply and the driving circuit; the voltage transformation module carries out voltage reduction on an alternating current signal filtered by the first filtering module; the rectifying module is used for receiving an alternating current signal output by the voltage transformation module, rectifying the alternating current signal into a direct current signal and providing the direct current signal to the second filtering module; the second filtering module is used for carrying out voltage stabilization on the direct current signal and outputting to direct current signal subjected to voltage stabilization to the constant-current module; and the constant-current module is connected with the second filtering module and used for receiving an electrical signal subjected to voltage stabilization and providing constant currents to an LED light source group. The invention also relates to an LED lamp. In the LED constant-current driving circuit, the first filtering module is arranged at the input end of the alternating-current power supply and used for filtering the high-frequency electromagnetic interference between the alternating-current power supply and the driving circuit, thereby eliminating the influence of the electromagnetic interference on electronic equipment and safely and reliably driving the LED lamp to work.

Disclosed is a motorized diffuser which is shut when not in use and which reduces energy consumption in a building, eliminates the necessity of a maintenance hole, prevents contamination, has a simple configuration, and enables easy maintenance when applied in a cooling/heating system adopting a proportional air flow control scheme. According to the disclosed diffuser, a diffuser cone includes: a diffuser cone body which forms a fluid passage on the outer surface thereof which is disposed between the diffuser cone body and a diffuser casing when the diffuser cone is opened; a diffuser cone cover fixed to the diffuser cone body such that the diffuser cone cover can be assembled/disassembled to/from the diffuser cone body with a space therebetween; and a motor means fixedly installed in the space.

The present invention pertains in general to a system, method and apparatus to track a user's interaction with a workstation surrounding the sensing of user presence, user orientation workstation height for association with an identified user and providing notifications to the user for the purposes of recommending standing or seated user orientation as directed by system analysis and allowing access and tacking of such tracking and notifications by users, employers or other predetermined third-parties.

The invention relates to a traffic restriction warning method of an automobile. The traffic restriction warning method comprises the following steps of: photographing a license plate number by a camera mounted at the tail of the automobile and located above a license plate at the tail of the automobile, and acquiring an image signal including the license plate number; and processing traffic restriction information by connecting a traffic restriction information processing device of the camera to judge that whether the day is a traffic restriction day, when judging that the day is the traffic restriction day, warning a driver, and when the day is not the traffic restriction day, giving up a warning operation. With the adoption of the traffic restriction warning method of the automobile, the driver of the automobile is guaranteed not to misuse a traffic restriction vehicle in the traffic restriction day, and the unnecessary regulation breaking and fining are avoided.

The invention provides a core pipe valve, and belongs to the field of valves. The core pipe valve is an original brand-new-structure valve, and refers to starting and stopping, pressure starting and stopping, adjustment, safety, decompression, returning stopping, pressure reduction, emergency cutting-off and the like. A valve element pipe is a fixing piece and coaxially penetrates through a sleeveI of a valve body, a valve body cavity and a sleeve II of the valve body; an axial partition is arranged in the middle of the valve element pipe, and two adjacent sides of the partition in the axialdirection are separately at least one radial circulating hole of a pipe section I and at least one radial circulating hole of a pipe section II; an annular valve element which surrounds the partition,an annular valve seat of at least one sleeve throat of the sleeve I and an annular valve seat of at least one sleeve throat of the sleeve II form a sealing pair; the difference between the outer diameters of the pipe section I and the pipe section II is greater than or equal to 0, the pipe section I is in shaft hole type fit with the sleeve I, the pipe section II is in shaft hole type fit with the sleeve II, and at least one combined portion is provided with a seal; and under the effect of two direction potential energy, the valve body axially moves in an axial direction relative to the valveelement pipe to implement starting and stopping and function transformation. The core pipe valve is simple in structure, convenient to manufacture, low in starting and stopping resistance and good insafety, reliability and sensitivity, and adapts to various working conditions, and the efficiency is improved.

A pixel array of a fringe field switching (FFS) liquid crystal display panel includes a plurality of gate lines, a plurality of data line, a plurality of pixel electrodes, a plurality of common lines, and a plurality of pixel units aligned in an array configuration. The gate lines are disposed parallel to each other along a first direction. The data lines are disposed parallel to each other along a second direction. Each of the pixel units includes at least one sub-pixel region. The common lines are disposed along the first direction and electrically isolated from each other. Each of the common lines includes a plurality of common electrodes extending along the second direction. The two adjacent common electrodes of each common line are respectively disposed in the two adjacent pixel units which are located in different rows.

The invention discloses a pixel circuit, a driving method thereof and a display device. The pixel circuit comprises a first switch sub-circuit, a partition driving chip and a plurality of light-emitting elements. The first switch sub-circuit is respectively connected with a scanning line, a data line and a first node and is used for writing a data voltage signal of the data line into the first node under the control of the scanning line; and the partition driving chip is connected with the first node and the plurality of light-emitting elements respectively and is used for judging driving timecorresponding to each light-emitting element according to a data voltage signal input by the first node, and driving the light-emitting elements to emit light by using the data voltage signal withinthe corresponding driving time. Active site selection driving is realized through the first switch sub-circuit and the partition driving chip, so that the number of glass-based wires is effectively reduced, the difficulty of a side edge wire routing process is greatly reduced, the driving power consumption and the driving cost of the whole display module are reduced, and the competitive advantageof a product is greatly improved.

The invention relates to a vehicle restriction warning system. The vehicle restriction warning system comprises a camera and a vehicle restriction information processing device, the camera is installed at the tail of a vehicle, located above a vehicle tail license plate and used for shooting license numbers so as to obtain an image signal, the vehicle restriction information processing device is connected with the camera and used for processing vehicle restriction information to determine whether the day is a vehicle restriction date or not, if the day is the vehicle restriction date, a driver is warned, and if the day is not the vehicle restriction date, the driver is not warned. By means of the vehicle restriction warning system, a restricted vehicle can not be misused in the vehicle restriction date by the driver, and unprovoked violation of laws and fine can be avoided.

A simplified magnetic coupling utilizing the available rotating permanent magnets on an electric motor rotor to be the “drive” component in the magnetic coupling of the present invention. The “driven part of the magnetic coupling is a co-axially journalled second rotor, driven by magnetic flux from the rotating permanent magnets on the motor rotor mentioned above. A membrane between these two rotors can hermetically separate the drive part from the driven part. This invention has fewer parts, has both less costly parts and assembly and is also more compact then related art.

A device (10) for distributing charge material into a shaft furnace comprises a main housing (12), a distribution chute, a suspension rotor (18) and an adjustment rotor (26), which are rotatable about a substantially vertical axis. The chute (32) is suspended to the suspension rotor (18) to rotate therewith for circumferential distribution of charge material and adjustable in orientation through the adjustment rotor (26) for radial distribution of charge material. A differential gear (86) interconnects the suspension rotor (18) and the adjustment rotor (26) and is configured to transmit to the adjustment rotor the same speed of rotation that is imparted to the suspension rotor by a main rotation drive (60) unless an adjustment drive (96) imparts, through the differential gear, a differential rotation to the adjustment rotor. According to the invention, the device includes: a first casing (50) arranged on the main housing (12) and enclosing an angular transmission (52) between a substantially vertical output shaft (54), which protrudes from the first casing (50) into the main housing and is connected to a gearwheel (62) that meshes with a first gear ring (64) on the suspension rotor (18), and a connecting shaft (56), which protrudes from the first casing (50) at an angle, in particular perpendicularly, with respect to the output shaft (54); a second casing (70) arranged on the main housing (12) and enclosing an angular transmission (72) between a substantially vertical output shaft (74), which protrudes from the second casing (70) into the main housing and is connected to a gearwheel (78) that meshes with a second gear ring (80) on the adjustment rotor (26), and a connecting shaft (76(, which protrudes from the second casing (70) at an angle, in particular perpendicularly, with respect to the output shaft (74); a third casing (84) that is spaced apart from the first and second casings (50, 70) and encloses the differential gear (86), the differential gear being connected to a first shaft (88), which is coupled to the connecting shaft (56) of the first casing (50), and to a second shaft (90), which is coupled to the connecting shaft (76) of the second casing (70).

The invention discloses a driving system and method applicable to a red, green, blue and white (RGBW) sub-pixel display screen. The driving system comprises a RGB source driving chip and an analog signal conversion unit. The RGB source driving chip is used for converting received each N group of RGB digital driving signals coming from a time schedule controller to N groups of analog driving signals comprising RGB sub-pixel driving voltage and outputting the analog driving signals to the analog signal conversion unit. The analog signal conversion unit is used for converting each N group of the analog driving signals comprising RGB sub-pixel driving voltage to N groups of the analog driving signals comprising RGBW sub-pixel driving voltage and outputting the analog driving signals comprising RGBW sub-pixel driving voltage to an effective display area of the RGBW sub-pixel display screen, wherein N is a positive integer. According to the driving system and method, the effect of using the RGB source driving chip to drive the RGBW display screen can be achieved, system complexity is simplified, and system driving cost is saved.

The invention discloses an energy consumption mode selection method of a hybrid electric vehicle (HEV). The method comprises the steps of obtaining the current position of the HEV; obtaining the current real-time working condition of the HEV according to the current position of the HEV; obtaining destination information input by a user; obtaining the stroke distance of the HEV according to the current position of the HEV and the destination information; and selecting an energy consumption control mode according to the current real-time working condition of the HEV and the stroke distance of the HEV, and performing control over the HEV under the energy consumption control mode. According to the invention, the most suitable energy consumption control mode can be automatically selected according to the stroke distance and the current real-time working condition, to control the proportion ratio of motor driving to engine driving, and thus emissions and driving consumption costs of users are greatly reduced. The invention also discloses an energy consumption mode selection system of the HEV.