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34results about How to "Accurate detection and judgment" patented technology

Washing machine control method and washing machine

The invention discloses a washing machine control method and a washing machine. The washing machine is provided with a turbidity sensor for detecting water turbidity and a conductivity sensor for detecting water conductivity. According to the washing machine control method, conductivity of clear water is detected before washing is carried out, conductivity and a turbidity value of rinsing water are detected at the same time at every rinsing stage after washing is carried out, a conductivity variable quantity is calculated according to the measured conductivity of clear water and conductivity of rinsing water, and rinsing is stopped when the turbidity value and the conductivity variable quantity are both lower than the corresponding set threshold value. During every rinsing, the washing machine can automatically detect and calculate turbidity of rinsing water and conductivity changes of rinsing water, judge whether clothes are rinsed clean according to turbidity and conductivity changes of rinsing water and stop working in time after the clothes are rinsed clean to save water and electricity. The washing machine can automatically add rinsing frequency if the washing machine detects that the clothes are not rinsed clean when the rinsing frequency reaches the set value, so that residual stains, detergents and softeners are reduced, and the purpose of healthy laundry is achieved.
Owner:QINGDAO HAIER WASHING MASCH CO LTD

Display panel to be cut, manufacturing method of display panel and display device

The invention provides a display panel to be cut, a manufacturing method of the display panel and a display device, wherein the display panel to be cut comprises a display area and a non-display areasurrounding the display area, the non-display area comprises a fan-out area and a binding area which are arranged on one side of the display area in the first direction, and the binding area comprisessignal pin terminals which are connected with fan-out wires in the fan-out area in a one-to-one correspondence mode; a variable resistance part is arranged in a first to-be-cut area of the display panel to be cut, and the variable resistance part is electrically connected with the signal pin terminals so that electrostatic discharge channels are formed among the signal pin terminals in a first state, and an electrostatic protection effect is achieved; in the second state, test signals between the signal pin terminals are blocked, the crosstalk of visual test signals between the signal pin terminals is avoided, and therefore, the mura phenomenon of uneven brightness generated in the visual test of the display panel is improved, and the detection and judgment of the visual test are more accurate.
Owner:WUHAN TIANMA MICRO ELECTRONICS CO LTD

Self-stabilizing steam pressurization system and working method thereof

The invention aims to overcome the defects in the prior art, and provides a self-stabilizing steam pressurization system and a working method thereof. The heat energy recovery rate is high, and the automation degree is high. The self-stabilizing steam pressurization system comprises a steam inlet buffer tank, a steam inlet valve, a steam inlet water sprayer, a steam inlet guide vane mechanism, a compressor first stage, an interstage water sprayer, a compressor second stage, a steam exhaust water sprayer, a check valve, a steam exhaust valve and a steam exhaust buffer tank which are sequentially connected in series through pipelines, wherein the steam inlet buffer tank is used for buffering steam; the steam inlet valve and the steam exhaust valve are used as valves for opening and closing the pipelines of the system; the steam inlet water sprayer, the interstage water sprayer and the steam exhaust water sprayer are used for carrying out mist spraying on superheated steam, and the superheated steam is converted into saturated steam; the compressor first stage and the compressor second stage are used for compressing and pressurizing the input steam; the steam inlet guide vane mechanism is used for controlling the flow of the steam entering the compressor first stage by adjusting the size of a throat between guide vanes; and the steam exhaust buffer tank is used for buffering and outputting the input steam.
Owner:CHONGQING JIANGJIN SHIPBUILDING IND

A method for detecting people in a vehicle

The invention discloses a method for detecting people in a vehicle, which comprises the following steps: receiving vehicle body communication bus message information, and analyzing the information to obtain the vehicle action state; using a millimeter wave radar sensor to collect data in the vehicle; corresponding to different vehicle actions The state uses the in-vehicle data collected by the millimeter-wave radar sensor to calculate the confidence level; classify the confidence level and determine the threshold value of each level; determine the detection confidence level of different vehicle action states according to the corresponding threshold value, and according to the confidence level Determine the condition of the occupants of the vehicle. The millimeter-wave radar technology provided by the present invention, combined with the vehicle's detection of multiple cycles at different stages, improves the high reliability of the detection of the remaining occupants in the vehicle, and uses the innovative calculation method of confidence, which greatly reduces the number of missed reports, The probability of false alarms, and can accurately detect and judge the location of the left occupant in the car. And through SMS, telephone, vehicle sound and light alarm and other ways to remind.
Owner:厦门星图安达科技有限公司

Method and device for detecting refrigerant filling type of air conditioner

The invention provides a method and device for detecting a refrigerant filling type of an air conditioner. The detection method for the refrigerant filling type of the air conditioner comprises the following steps: S1, allowing the air conditioner to enter a high-low pressure balance state in the shutdown state of the air conditioner; S2, detecting high-pressure pressure value and temperature of high-pressure gaseous refrigerants sprayed out of an air conditioner compressor; S3, searching for saturation temperatures corresponding to all the refrigerants under the high-pressure pressure value;S4, separately comparing the saturation temperatures with the refrigerant temperature to obtain a target saturation temperature; and S5, determining the target refrigerant type filled in the air conditioner according to the target saturation temperature. According to the detection method and the detection device for the refrigerant filling types of the air conditioner, the types of the refrigerants filled in the air conditioner can be automatically and accurately detected, and after an operator fills the air conditioner with a wrong refrigerant which does not conform to the type of the original refrigerant, an alarm prompt is given.
Owner:NINGBO AUX ELECTRIC

A washing machine control method and washing machine

The invention discloses a washing machine control method and a washing machine. The washing machine is provided with a turbidity sensor for detecting water turbidity and a conductivity sensor for detecting water conductivity. According to the washing machine control method, conductivity of clear water is detected before washing is carried out, conductivity and a turbidity value of rinsing water are detected at the same time at every rinsing stage after washing is carried out, a conductivity variable quantity is calculated according to the measured conductivity of clear water and conductivity of rinsing water, and rinsing is stopped when the turbidity value and the conductivity variable quantity are both lower than the corresponding set threshold value. During every rinsing, the washing machine can automatically detect and calculate turbidity of rinsing water and conductivity changes of rinsing water, judge whether clothes are rinsed clean according to turbidity and conductivity changes of rinsing water and stop working in time after the clothes are rinsed clean to save water and electricity. The washing machine can automatically add rinsing frequency if the washing machine detects that the clothes are not rinsed clean when the rinsing frequency reaches the set value, so that residual stains, detergents and softeners are reduced, and the purpose of healthy laundry is achieved.
Owner:QINGDAO HAIER WASHING MASCH CO LTD

Tobacco package tax receipt online detection system and method, and tax receipt tobacco package conveying system comprising online detection system

The invention discloses a tobacco package tax receipt online detection system and method, and a tax receipt tobacco package conveying system comprising the online detection system. The tobacco packagetax receipt online detection system comprises a tax receipt detection terminal and an industrial control computer; tobacco package tax receipt image information is collected and transmitted to the industrial control computer through the tax receipt detection terminal; the industrial control computer is provided with an image judgment module and a signal transmission control module in a built-in manner, and the image judgment module receives the tax receipt image information from the tax receipt detection terminal, and makes judgment; the judging results are output to the signal transmission control module; the signal transmission control module is inoperative if the judging results are satisfactory; and the signal transmission control module sends a kick-out signal or a stopping signal toa controller of a packing machine if the judging results are unsatisfactory. The online detection system is used for detecting the pasting quality of a tax receipt on a tobacco package on a GDX2 packing unit on line, and sending the signal for judging whether the corresponding tobacco package needs to be kicked out or not to the packing machine according to the pasting quality.
Owner:CHINA TOBACCO ZHEJIANG IND

Novel automatic transmission gear shift switch fault detection device and detection method thereof

The invention relates to a novel automatic transmission gear shift switch fault detection device, including a gear shift lever driving device, a gear shift switch, a gear shift lever and a controller.The gear shift lever driving device is connected with a motor shaft core, the bottom of the gear shift lever driving device is provided with a gear shift lever meshing groove, the gear shift lever onthe gear shift switch meshes with the gear shift lever meshing groove, the gear shift switch is electrically connected with the controller through a wiring terminal plug. The design of the inventionadopts the gear shift lever driving device which is simple in structure and low in cost to replace a vehicle-mounted gear shift operating mechanism, a gear driving device is mounted on the motor shaftcore, the gear shift lever connected with a gear switch is driven according to a gear shift angle requirement to realize gear switching, at the same time, a PLC is utilized to collect gear switch status signals and perform detection and judgment, and the novel automatic transmission gear shift switch fault detection device has the characteristics of accurate and visual fault judgment, high detection efficiency, and good transplantability which facilitates synchronization with other test items.
Owner:HARBIN DONGAN AUTOMOTIVE ENGINE MFG CO LTD

Method for accurately judging ammonia leakage phenomenon of diesel vehicle

The invention discloses a method for accurately judging the ammonia leakage phenomenon of a diesel vehicle. The method for accurately judging the ammonia leakage phenomenon of the diesel vehicle comprises the following steps: 1, determining the ammonia leakage phenomenon of the diesel vehicle; the method comprises the steps that firstly, under the conditions that a whole vehicle runs normally, the road working condition is good and overspeed does not occur, a large accelerator opening degree is selected, the vehicle is accelerated to a certain speed, the circulating fuel injection quantity of an engine reaches 20 mg/hub or above, and at the moment, upstream NOx has an obvious ppm peak value; secondly, after the speed is increased to the maximum speed, an accelerator is immediately and thoroughly released, at the moment, no injection amount exists in an engine, and the ppm value of upstream NOx reaches about 0 within a certain time; thirdly, delay time T is calculated according to the fresh air inflow of the current working condition. Compared with the prior art, the method has the advantages that the operation is simple and convenient, the ammonia leakage phenomenon of the whole diesel vehicle can be accurately detected and judged through a simple positioning method, and then the development of the whole diesel engine at the national sixth stage can be promoted.
Owner:无锡伟博汽车科技有限公司

Method for gathering foreign DNA in transgenosis product

The invention relates to a method for gathering foreign DNA in a transgenosis product, which comprises the following steps that: 1) extracting DNA of the transgenosis product; 2) adding buffer solution and nucleic acid probe marked with biotin in the DNA extract liquid obtained in the step 1), and degenerating, annealing and cooling the mixture to the room temperature after uniformly mixing the solution; 3) adding magnetic beads with the surface being marked with Streptavidin into the solution obtained in the step 2), adsorbing the magnetic beads in a magnetic field after uniformly mixing thesolution, and utilizing buffer solution to wash the magnetic beads; 4) arranging the magnetic beads obtained in the step 3) in the buffer solution, heating the buffer solution to more than 80 DEG C, maintaining the temperature for a period of a time, and taking the upper clean liquid to obtain the gather foreign DNA fragment. The method can effectively improve the abundance of the foreign DNA in the DNA solution to be detected, can more correctly detect and judge whether the crops or food contains the transgenosis composition of micro proportion, has rapid detection time, is free from requiring particular reagent material, and has low cost.
Owner:PEKING UNIV

Detergent Dosing Controller

The invention relates to a detergent putting controller. The controller is simple in structure and reliable in control. The controller is provided with a detergent storage tank (1) and a liquid conveying channel (2) with an opened inner end and an opened outer end, an inner port of the liquid conveying channel is communicated with the detergent storage tank, a flow sensor (4) and an extraction device (5) are arranged on the liquid conveying channel from the inner port to an outer port in sequence, and the flow sensor is connected with a microprocessor CPU (41). The microprocessor is provided with a program. The program comprises the steps that the extraction device is started to extract detergent in the detergent storage tank, the number Pn of pulse signals of the flow sensor in every unittime is recorded, then the number of pulse signals which are recorded for the current time is compared with that of the pulse signals which are recorded for the last time, if the number of pulse signals is increased, it is judged that the detergent in the detergent storage tank is insufficient, and then the alarm is given to remind a user to add the detergent. The detergent putting controller canbe used as an automatic detergent putting device of a washing machine.
Owner:HANGZHOU KAMBAYASHI ELECTRONICS

Ship ballast water colony biochemical reactor

The invention discloses a biochemical reactor for bacterial colonies in ship ballast water, relating to the technical fields of ocean shipping and offshore oil engineering. The biochemical reactor concretely comprises a shell and a rotator; a fluid in a main region forms a pressure difference under the centrifugal action of the rotator so that a fluid in a bacterial colony region generates a one-way flowing characteristic; and meanwhile, bacterial colonies in ballast water only move outwards through small filtering holes under the action of a tangential rotational flow of a fluid such as luciferase and an adjuvant outside the rotator, while fluids such as luciferase, fluorescein and an adjuvant outside the rotator cannot permeate or enter the rotator, then, low-concentration bacteria in the ballast water are gathered towards the main region, bacteria ATP can be sufficiently mixed with the luciferase and the adjuvant in the main region, then biochemical reaction is carried out, and bright light is emitted for realizing the detection of a photoelectric sensor, so that the amount of the bacterial colonies is qualitatively judged. Due to the adoption of the structure, a biological membrane in the traditional reactor is not needed to be maintained and replaced, the economic efficiency and reliability of equipment are improved, and meanwhile, the cost is greatly reduced.
Owner:富毅特(上海)环保科技有限公司

Biochemical reactor for bacterial colonies in ship ballast water

The invention discloses a biochemical reactor for bacterial colonies in ship ballast water, relating to the technical fields of ocean shipping and offshore oil engineering. The biochemical reactor concretely comprises a shell and a rotator; a fluid in a main region forms a pressure difference under the centrifugal action of the rotator so that a fluid in a bacterial colony region generates a one-way flowing characteristic; and meanwhile, bacterial colonies in ballast water only move outwards through small filtering holes under the action of a tangential rotational flow of a fluid such as luciferase and an adjuvant outside the rotator, while fluids such as luciferase, fluorescein and an adjuvant outside the rotator cannot permeate or enter the rotator, then, low-concentration bacteria in the ballast water are gathered towards the main region, bacteria ATP can be sufficiently mixed with the luciferase and the adjuvant in the main region, then biochemical reaction is carried out, and bright light is emitted for realizing the detection of a photoelectric sensor, so that the amount of the bacterial colonies is qualitatively judged. Due to the adoption of the structure, a biological membrane in the traditional reactor is not needed to be maintained and replaced, the economic efficiency and reliability of equipment are improved, and meanwhile, the cost is greatly reduced.
Owner:富毅特(上海)环保科技有限公司

On-line leakage detecting method of gas cutting-off system

The invention provides an on-line leakage detecting method of a gas cutting-off system. A pressure switch is arranged on a gas pipeline between an electric butterfly valve and an electric glass valve; the electric butterfly valve is connected with a bypass solenoid valve in parallel through gas path; an exhaust solenoid valve is connected on the pipeline between the electric butterfly valve and the pressure switch; the other end of the exhaust solenoid valve is communicated with air. By adopting the method provided by the invention, the leakage of the electric butterfly valve and the electricglass valve is detected on line and judged when the gas is cut off by the gas cutting-off system; the installation is easy and convenient, the operation is reliable, and the detection and judgment are exact and in time. In the detection process, the internal leakage (leakage of the electric butterfly valve) and the external leakage (the leakage of the electric glass valve) of the gas cutting-off system are detected and judged exactly. The problems that the traditional gas cutting-off system cannot detect and judge the leakage on line are solved effectively. In this way, the method of the invention is helpful to reduce the safety accident incidence and improve the production efficiency in metallurgical enterprises.
Owner:启东市江海污水处理有限公司

A safe driving system and method for preventing drunk driving and fatigue driving

The invention discloses a safe driving system and method capable of preventing drunk driving and fatigue driving. The safe driving system comprises an alcohol tester, a microprocessor, a camera and an after-locking relay. The alcohol tester is used for sending a camera infrared ray instruction to the microprocessor, testing the alcohol concentration of a driver at the same time, displaying the tested alcohol concentration test value and sending the tested alcohol concentration test value to the microprocessor. The camera is used for starting shooting video under the control of the microprocessor and transmitting the shot camera video to the microprocessor. The microprocessor is used for obtaining the judgment result that whether drunk driving exists, obtaining the identification results that whether the installation direction of the microprocessor is changed, whether the driver is substituted and whether fatigue driving exists and sending an infrared signal to the after-locking relay. The after-locking relay is used for being controlled to be on and off according to the infrared signal. According to the safe driving system and method capable of preventing drunk driving and fatigue driving, whether the driver has drunk driving and fatigue driving can be judged, the phenomena of false blowing, cheating and substitution of the driver in the midway are avoided, and the practicability is high.
Owner:杨宗宝

Infrared array detection and positioning system and method for hot spots of electrical equipment faults in substations

The invention discloses a system for detecting and locating a faulty heating point of substation electrical equipment through an infrared array. The system comprises a plurality of infrared probe groups correspondingly arranged near a plurality of pieces of electrical equipment. Each infrared probe group includes at least one infrared probe. The system further comprises a signal processing system connected with the infrared probes. The infrared probes in corresponding positions in each infrared probe group face the same direction, and part or all of the infrared probes point to the electrical equipment in corresponding positions. The signal processing system judges whether there is a faulty heating point and the position of the electrical equipment where a faulty heating point is located according to infrared energy transmitted by the infrared probes. In addition, the invention discloses a corresponding method. The influence of infrared background noise can be suppressed effectively. Detection error can be reduced greatly. Whether there is a faulty heating point can be detected and judged in real time and accurately, and the position of a faulty heating point can be located. Safe and reliable operation of an unattended substation can be guaranteed.
Owner:STATE GRID SHANDONG ELECTRIC POWER +2

Circuit preventing reverse connection and reverse charging of solar controller

The invention relates to a circuit preventing reverse connection and reverse charging of a solar controller. The circuit is characterized in that the circuit comprises a MOS charging unit, a current detection unit, a solar voltage sampling unit, a cell voltage sampling unit, a MOS pipe driving unit and a single chip microcomputer control unit; an output terminal of the MOS charging unit is connected to a charging input terminal BAT of a cell; an input terminal of the current detection unit is connected to a charging current output terminal of the MOS charging unit and an output terminal is connected to a third input terminal of the single chip microcomputer control unit; an input terminal of the solar voltage sampling unit is connected to an output terminal PV of a solar cell and an output terminal is connected to a first input terminal of the single chip microcomputer control unit; an output terminal of the cell voltage sampling unit is connected to a second input terminal of the single chip microcomputer control unit; two output terminals of the single chip microcomputer control unit are connected to two input terminals of the MOS pipe driving unit; and an output terminal of the MOS pipe driving unit is connected to a control input terminal of the MOS charging unit. The circuit of the invention possesses advantages that detection and determination are accurate; power consumption is small and a service life of a product is long.
Owner:GUANGDONG REAL DESIGN INTELLIGENT TECH

A ground fault location method for overhead lines in distribution network

The invention relates to an overhead wire grounding fault locating method for the power distribution network. An overhead wire grounding fault detecting system for the power distribution network comprises power distribution wires, a command center and grounding detecting devices. A plurality of pylons are arranged on 10kV distribution wires between transformer substations at intervals, and the grounding detecting devices are uniformly arranged on the power distribution wires between the transformer substations. The overhead wire grounding fault locating method includes steps of (1) grounding of the power distribution wires; (2) unbalancing of zero-sequence current; (3) transmitting signals to the command center through a signal transmitting module by a processor; (4) displaying at the command center; (5) acquiring accurate fault position. The system adopted in the detecting method is simple in structure, low in equipment cost, easy to erect and implement and accurate to detect and judge. Besides, interferences of branch circuits and the like are avoided, locating and judging time can be effectively shortened, labor is saved, fault maintenance time is greatly shortened, and consumption and loss of power equipment are reduced.
Owner:STATE GRID CORP OF CHINA +1
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