58results about How to "No need to increase production costs" patented technology

The invention discloses an array substrate, a driving method thereof, a display panel and a display device. By the array substrate, power consumption on a source driving integrated circuit is reduced when point overturning is realized. All gate driving sub-circuits which are connected with odd-numbered rows of gate lines in the array substrate are connected to one another in a cascading manner to form a first gate driving circuit; all gate driving sub-circuits connected with even-numbered rows of gate lines are connected to one another in a cascading manner to form a second gate driving circuit; in a half displaying period displayed by a frame of an image, the odd-numbered rows of gate lines receive gate driving signals outputted by the first gate driving circuit, and the data lines receive first source driving signals outputted by the source driving integrated circuit; in the other half displaying period displayed by the frame of the image, the even-numbered rows of gate lines receive gate driving signals outputted by the second gate driving circuit, and the data lines receive second source driving signals outputted by the source driving integrated circuit; and the polarity of the first source driving signals is opposite to that of the second source driving signals.

The invention discloses an electronic scale capable of quantitatively adding liquid. The electronic scale capable of quantitatively adding the liquid comprises a tray. A weight sensor is connected with the tray and arranged below the tray. The weight sensor is connected with an operating circuit board through a shielded wire. The operating circuit board controls an electromagnetic valve to be opened and closed. The operating circuit board comprises a microprocessor. Output signals of the weight sensor are transmitted to an amplifier through a sampling circuit. After the output signals are processed through the amplifier, the output signals are input the microprocessor through an analog to digital (A/D) transition circuit. The microprocessor controls the electromagnetic valve to be opened and closed through a valve control circuit. According to the electronic scale capable of quantitatively adding the liquid, accurate and automatic filling of air conditioner refrigerants can be achieved, and a price is more reasonable. Further disclosed is a method for quantitatively adding the liquid. The electronic scale is adopted in the method for quantitatively adding the liquid.

Embodiments of the invention disclose a handheld terminal and a screen display control method thereof. The screen display control method comprises the following steps: obtaining first gravity sensing data of wearing equipment which is in communication connection with the handheld terminal; obtaining a holding manner of the handheld terminal according to the first gravity sensing data and second gravity sensing data of the handheld terminal; and controlling the screen display of the handheld terminal according to the holding manner. Through the scheme, the wearing equipment can be comprehensively utilized to recognize the holding manner of the handheld terminal without adding a sensing device, so that the correctness is high and the applicability is good.

Disclosed herein is an expandable polystyrene bead having improved adiabaticity and flame- retardance and a method of producing the expandable polystyrene bead. The expandable polystyrene bead comprises 10 - 60 wt% of a flame retardant which is made of one or more selected from among metal or nonmetal oxides, metal or nonmetal hydroxides, silicates, borates and carbonates, having a particle size of 1-50[mu]m. Expanded polystyrene foam having improved adiabaticity and flame-retardance can be obtained using the expandable polystyrene bead. A thin flame-retardant thermal insulator including the expanded polystyrene foam can be widely used in various fire-related fields.

The invention relates to a power device. The power device is divided into a cell region, a transition region, and a terminal region. The power device comprises a substrate, a first epitaxial layer disposed over the substrate, a second epitaxial layer disposed over the first epitaxial layer, multiple body regions disposed in the second epitaxial layer, multiple cell region trenches disposed in thesecond epitaxial layer of the cell region, multiple transition region trenches disposed in the second epitaxial layer of the transition region and multiple terminal region trenches disposed in the second epitaxial layer of the terminal region. The thicknesses of dielectric layers at the bottom of the transition region trench and the bottom of the terminal region trench are larger than the thickness of the dielectric layer at the bottom of the cell region trench.

The invention discloses an embedded system on-line program refreshing method. The method includes the steps: placing a starting program, an application program and effective markers into a racetrack memory of an embedded system; firstly executing the starting program after the embedded system resets, reading values of the effective markers by the starting program, judging whether a current application program is effective or not, entering and continuously running the application program if the application program is effective, entering a refreshing state and establishing communication with an external device if not, and downloading refreshing subprograms from the external device; storing the downloaded refreshing subprograms into the racetrack memory, downloading application programs needing to be refreshed from the external device after the subprograms are downloaded, circularly calling and refreshing the subprograms, and flushing data of each downloaded application program needing to be refreshed into a designated address of the racetrack memory. By the method, software of the embedded system can be updated in an online refreshing manner, a software program is improved, and excessive product cost increase is avoided.

The invention discloses a gravure electronic mechanical carving method with an anti-fake effect. The gravure electronic mechanical carving method comprises the following steps of (1) determining the size of a rhombus ink cell according to the required printed image, and determining an ink cell arrangement angle theta of the whole gravure; (2) selecting at least one straight line section as an anti-fake identification part, wherein the selected straight line section can meet the following conditions that the angular difference between an extending angle alpha of the straight line section and the ink cell arrangement angle theta of the whole gravure is 10 degrees-30 degrees; (3) revising the design value of the partial ink cell arrangement angle of the straight line section of the anti-fake identification part again, enabling the partial ink cell arrangement angle of the straight line section to be just be equal to the extending angle alpha of the straight line section, and recording the position of the straight line section; and (4) according to the design result, carrying out ink cell carving by adopting an electronic machine carving method to obtain a gravure with an anti-fake effect. The gravure electronic machine carving method provided by the invention has the advantages that the image printed by the carving gravure has the anti-fake effect, the identification is easy, the copy is hard, and the fabricating cost is also not increased.

The invention discloses a vehicle safe driving system. The vehicle safe driving system is characterized in that according to the system, an electronic control unit collects vehicle-navigation front road condition information in real time, meanwhile, the wheel rotating speed of a vehicle is collected, an engine management system is controlled to adjust the vehicle state, and a driver is informed of alarm prompting information through an alarm prompting unit. According to the structure, the vehicle safe driving system has the advantages of conducting active intervention on the vehicle in advance, ensuring driving safety, utilizing an existing vehicle-mounted navigation system, and being free of adding excessive production cost.

The invention discloses an intelligent straw cup which comprises a cup body and a cup lid arranged on the cup body. The cup lid is provided with a straw structure stretching into an inner cavity of the cup body. A detection sensor for detecting water quality is arranged on the lower portion of the straw structure in a sealed mode. The lower end of the detection sensor penetrates through the straw structure in a sealed mode. The upper end of the detection sensor is electrically connected with an AD converter and a processor on a PCB through wires integrated in the straw structure. The detection sensor generates electronic signals which are transmitted through the wires to the processor, and the processor processes the signals and converts the signals into digital signals capable of being further processed/used. The PCB is arrange on the upper portion of the straw structure and located at the bottom of the cup lid. According to the intelligent straw cup, the detection mode is not limited, sealing performance is good, production cost of the cup body does not need to be increased, the material of the cup body is not limited, the style design of the cup body is required to be simpler, different cups can be replaced for water quality detection, and the cup is more convenient to use.

The invention provides a direct current bus voltage acquisition method for a frequency converter. The acquisition method is performed in a flyback switching power supply of the frequency converter by the following two steps: step one, the bus voltage is connected with a primary side of a transformer of the switching power supply; and step two, a voltage acquisition circuit is connected with a secondary side of the transformer by applying a forward mode, and finishes the acquisition of direct current bus voltage. The method ensures that a direct current bus voltage circuit and the voltage acquisition circuit are isolated, and the isolation directly improves the safety and reliability of an acquisition mode of the bus voltage and also reduces the fault rate of a bus voltage acquisition circuit. The method utilizes the characteristic that the switching power supply is universally applied to frequency converters, and the realization of the technical proposal does not need to increase production cost.

The invention discloses a layered sampler for environmental protection water quality detection, which comprises an outer tube body and an inner shaft rod sleeved in the inner cavity of the outer tube body, one end of the outer tube body is a sealing end, and the outer tube body corresponds to it The other end of the inner shaft is provided with a sealing plate that is penetrated by the inner shaft, and the end of the inner shaft close to the sealing plate is equipped with a screw disk, and several sampling cavities are opened inside the inner shaft along its axis direction, and The outer surface of the inner shaft on one side of the sampling chamber is sleeved with a rotating sleeve, and the sampling chamber is connected to the water inlet chamber inside the rotating sleeve through the water channel opened on the inner shaft, and the water inlet chamber on one side A water inlet with a circular structure is opened on the surface of the outer tube body, and a connecting sleeve connected to the mouth of the sampling cup is provided on one side of the water inlet, and a rotary seal is installed at the connection between the inner shaft and the rotating sleeve. The invention has reasonable structural design and simple operation, and the whole structural main body is a rod-shaped structure, which is convenient to carry and store.

The invention belongs to the technical field of agricultural production and discloses a sowing time and density management method and system in early-autumn wheat cultivation without irrigation. In the method, early-autumn wheat growing period, economic characters and stem tiller trend are analyzed, yield components of comprehensive characters of effective panicles, ear grains and thousand kernelweight are analyzed, and the sowing time is (from 20th August to 10th September) ( 30-40 days earlier as compared with that in the prior art); wheat seedlings are in abundant rainfall from seedling tocutoff, frost weather is staggered during the booting and flowering periods, and heat-forced maturity from pulp filling to maturity periods; the density is in 200-250 thousand per mu. The effective panicle, maturing rate, thousand kernel weight and the like can be effectively increased by relying on ear bearing of main stems, and the yield is significantly higher than that of wheat under existingconditions.

The embodiment of the invention provides a camera and a camera control method and device, and the method comprises the steps: obtaining a first image generated when a galvanometer is at a first deflection angle at a first exposure moment; acquiring a second image generated when the galvanometer is at a second deflection angle at a second exposure moment; synthesizing based on the first image and the second image to obtain a high-resolution image, wherein the first image and the second image are different image contents for the same target. According to the technical scheme, the galvanometer used for changing the light path of the incident light is additionally arranged between the lens and the photosensitive chip, so that the pixels of the camera can be improved on the basis that the number of the photosensitive units in the photosensitive chip is not increased, and the production cost does not need to be increased.

The invention discloses an electronic scale and monitoring method thereof capable of monitoring a weight change rate in real-time. The electronic scale comprises a scale body including a display screen, a pedestal and a tray plate. A weighing unit and a controller are arranged inside the pedestal; the tray plate is installed above the pedestal and is connected with the weighing unit; and the weighing unit is connected with the controller electrically. Real-time weight information of the tray plate is transmitted to the controller; the controller carries out operation and processing on the received weight information to convert the information into a corresponding weight changing rate; and the obtained real-time weight changing rate is displayed by the display screen. The electronic scale has the following beneficial effects: the operation capability of the controller arranged in the electronic scale is fully utilized based on basic functions of the electronic scale, so that the function of monitoring a weight change rate of the electronic scale in real-time can be realized; and the production cost and the price do not increase.

The invention discloses a processing method of multi-signal board level clock domain crossing. The method is characterized by comprising the following steps: arranging a memory between a transmission domain TX and a reception domain RX, writing data into the memory by the transmission domain TX under a clktx clock and reading the data out of the memory by the reception domain RX under the clkrx clock; connecting the reception domain RX to a burr processing module which is used for detecting high level of the clock; considering the clock as an active clock when the high level achieves a certain length; and considering the clock as burr when a high level signal with a certain width is output and lowering the level. By adopting the method, the influences caused by the burrs during the clock domain crossing are eliminated while the synchronization of asymmetric signals is completed, excessive production cost is not required and the method is simple and convenient.

The invention relates to a laminating method convenient for cleaning a photovoltaic assembly. The method comprises the following steps of: (1) laying high-temperature polytetrafluoroethylene (PTFE) cloth on a feeding transmission table of a laminating machine; (2) laying glass paper on the high-temperature PTFE cloth; (3) placing a to-be-machined laminating component on the glass paper; and (4) laminating the laminating component. Compared with the prior art, the laminating method provided by the invention is low in cost and high in production efficiency.

The invention discloses a control system for automatic turn-on and turn-off of an air conditioner. The control system is characterized in that an MCU control module communicates with a setting transmission module and a temperature acquisition module, and operation setting information of a user and the indoor real-time temperature are acquired to conduct logical judgment; the MCU control module is connected with an air conditioner system to acquire the operating state of the air conditioner and to control the air conditioner to be turned on and off. Due to the fact that the structure and a method are adopted, the control system has the advantages that firstly, the purpose that the air conditioner is automatically controlled to be turned on and off according to the indoor real-time temperature is achieved, and the phenomenon that the user feels too cold or too hot is avoided; secondly, the time of turn-on and turn-off of the air conditioner is intelligently judged, and waste of electricity is avoided; thirdly, the structure is simple, the excessive production cost does not need to be increased, and the change of the structure of an existing air conditioner is small.

The invention discloses a method and device for timing based on a Linux system. The method comprises the steps that events and triggering time nodes of the events are set into a DMA linked list in one-to-one correspondence according to the sequence of the triggering time nodes, and the DMA linked list is sent to a system timer; the system timer triggers a corresponding DMA event when the triggering time node is reached according to the information of the DMA event and the triggering time node of the event in the DMA linked list; and after the system timer triggers a previous DMA event in the DMA linked list, the next DMA event and the triggering time node of the event in the DMA linked list are automatically sent to the system timer. The method and device disclosed by the invention have the beneficial effects that through cooperative use of the system timer, DMA linked list and a DMA controller disposed in the Linux system, requirements for industrial time counting accuracy could be reached, and accurate timing control could be achieved; and the Linux system is an open source system, so extra production cost of an enterprise will not increase, and enterprise competitiveness can be enhanced.

PURPOSE: To provide a motor drive with a simple structure capable of reducing mechanical noises and vibrations. CONSTITUTION: In this motor drive which controls the rotational speed of a three-phase np (np: an even number more than or equal to 4) pole brushless DC motor, there are provided an DC-AC converting means for converting DC voltage into desired false AC voltage, a position detection means for detecting rotational phases obtained from the induced voltage of a three-phase armature winding of the brushless DC motor, and a duty control means for performing pulse width modulation(PWM) of the DC-AC converting means. The duty control means consists of a reference duty determining means for determining a reference duty value based on a frequency command value, a correcting means for correcting the reference duty value into an output duty value based on rotational speed for each angle range obtained by dividing a one-turn angle of the brushless DC motor into np portions, and an output means for outputting the output duty value.