31results about How to "Judgment accurate judgment" patented technology

The invention provides an ICP (Inductively Coupled Plasm) light source flame state detection device and a detection method. The detection method comprises the steps: incident flame light of an ICP light source is attenuated by a light attenuation filter; the attenuated flame light is transmitted to an image sensor; after the attenuated flame light is sensed by the image sensor, a flame image is obtained; the flame image is transmitted to a video frame buffer; the frequency of the flame image is adjusted by the video frame buffer, so the frequency is consistent to the frequency of a processor, accordingly, information of each frame of flame image collected by the image sensor is obtained, and image obtainment is finished; then, the image information is transmitted to the processor, and the image information is subjected to image pretreatment, mode matching and flame state judgment by the processor. The device and the method overcome the defects in the prior art, the detection and analysis can be carried out on the ICP light source flame state, and reliable detection results can be provided for subsequent fully-automatic ignition control of instruments.

The invention provides a time sequence data anomaly detection method, device and equipment and a readable medium, and the method comprises the steps: constructing an Autoencoder model, training the Autoencoder model through correct time sequence data, and obtaining a trained Autoencoder model; inputting time sequence data to be detected into the trained Autoencoder model, and obtaining a first abstract feature after the time sequence data is encoded by the Autoencoder model; decoding the first abstract feature through an Autoencoder model to obtain a decoding matrix, inputting the decoding matrix into the trained Autoencoder model, and encoding the decoding matrix through the Autoencoder model to obtain a second abstract feature; and determining whether the to-be-detected time sequence data is abnormal or not based on the relationship between the first abstract feature and the second abstract feature. By using the scheme of the invention, whether the time sequence is abnormal or not can be judged without manually labeling the time sequence data, and whether the time sequence data is abnormal or not can be accurately judged.

The invention provides a food residue processing method, a processor, a device for processing food residues, a dish-washing machine and a machine readable medium. The method comprises the following steps: acquiring an image in the dish-washing machine after the dish-washing machine finishes cleaning; determining that no food residue exists in the dish-washing machine according to the image; controlling a motor of the dish-washing machine to keep running; obtaining noise generated by the motor; and controlling the motor to stop running under the condition that the noise is determined to be smaller than the first noise threshold value. According to the technical scheme, the working time of the motor can be adjusted according to the real-time food residue condition in the dish-washing machine, whether the residue treatment is completed or not is accurately judged, and the dish-washing machine is more intelligent and more energy-saving during food residue treatment.

The invention discloses an integrated scroll compressor and a dynamic process oscillation suppression method and device thereof. The method comprises: after an oscillation occurs in the dynamic process of the integrated scroll compressor, determining whether the oscillation is a small oscillation or a large oscillation according to a constructed linear discriminator,; when the oscillation is a small oscillation, increasing the quadrature-axis component in the output voltage of the motor to suppress the small oscillation; when the oscillation is a large oscillation, increasing the quadrature-axis component in the output voltage of the motor and modulating the output frequency of a frequency converter according to the change value of a DC bus current to suppress the large oscillation. The method can proactively suppress the oscillation generated by the dynamic process of the integrated scroll compressor, so that the motor of the integrated scroll compressor can smoothly pass through an unstable region which may be encountered in the acceleration process or the deceleration process.

The invention relates to the technical field of three-head saws, in particular to a three-head saw for processing aluminum alloy door frames, including slide rails, No. No. 1 cylinder, No. 1 inclined knife and No. 1 protective shell are installed on the No. 2 workbench; No. 2 air cylinder, No. 2 inclined knife, flat knife and No. 2 protective shell are installed on the No. 2 workbench; the aluminum alloy door frame is processed The three-head saw also includes a feeding module and a controller; the feeding module is arranged close to the feeding plate, and the feeding module includes a supporting plate, a rolling rod and a roller; the supporting plate is at least two, and the supporting plate is located on the feeding plate above; the present invention drives the outer frame to slide along the feeding plate through the feeding module, and then cooperates with the No. 1 inclined knife, the No. Manual feeding causes safety hazards to workers, and the present invention also has the characteristics of economy, practicality, convenient operation, high precision and high efficiency.

The invention discloses an integrated scroll compressor and a dynamic process oscillation suppression method and device thereof. The method comprises: after an oscillation occurs in the dynamic process of the integrated scroll compressor, determining whether the oscillation is a small oscillation or a large oscillation according to a constructed linear discriminator,; when the oscillation is a small oscillation, increasing the quadrature-axis component in the output voltage of the motor to suppress the small oscillation; when the oscillation is a large oscillation, increasing the quadrature-axis component in the output voltage of the motor and modulating the output frequency of a frequency converter according to the change value of a DC bus current to suppress the large oscillation. The method can proactively suppress the oscillation generated by the dynamic process of the integrated scroll compressor, so that the motor of the integrated scroll compressor can smoothly pass through an unstable region which may be encountered in the acceleration process or the deceleration process.

The invention discloses a teed line fault branch selection method. The method of the invention comprises the following steps of firstly measuring fault phase positive sequence voltages and fault phase positive sequence currents of protection installation positions of three branches of the teed line; calculating a fault current of an injection fault point of the three branches; calculating fault phase positive sequence voltages of T connection nodes of the three branches respectively; subtracting an average value of a sum of the fault phase positive sequence voltages of the T connection nodes of the other two branches from the fault phase positive sequence voltage of the T connection node of the third branch so as to obtain a voltage difference value; then calculating whether an angle of voltage difference value exceeding fault current is less than zero; if the angle is less than zero, determining that the third branch is the fault branch of the teed line. The method of the invention is suitable for fault branch selection of a whole fault process after the teed line has the fault. A selection result is not influenced by a transition resistor, a fault type, a load current and a fault position and the fault branch of the teed line can be accurately determined.

The invention discloses a method for detecting faulty track circuit shunting based on railway train positioning. The method uses the positioning data of the on-board satellite positioning device of the railway locomotive, the standard surveying and mapping line data and the train train length data to combine to judge the overall actual alignment of the train. The first occupancy condition of the track section, and the first occupancy condition is compared with the second occupancy condition of the section given by the railway interlocking system. When the first occupancy condition and the second occupancy condition are not instantaneously inconsistent, it is determined that a shunt occurs. Bad phenomenon, through the accurate judgment of the bad shunt phenomenon, so as to avoid the safety accident and the idle section caused by the inaccurate information of section occupancy and clearing due to the bad shunt.

The invention discloses a detection method based on the sealing state of an optical fiber grating watertight door. The compensation fiber grating strain gauge is fixedly installed on the door panel of the watertight door to eliminate the influence of temperature, the wavelength difference of the fiber grating when the watertight door is closed and opened is monitored in real time, the strain difference curve of the watertight door is obtained, and the strain of the fiber grating is established through the threshold judgment method. The difference curve database can accurately judge the sealing state of the watertight door. The detection method based on optical fiber sensing technology is used to greatly improve the detection accuracy and stability, and the installation method of multiple fiber grating strain gauges at multiple points is adopted to improve the accuracy of the detection of the sealing state of the watertight door, and when the watertight door is abnormal In the sealed state, the cause of abnormal sealing can be judged, the abnormal sealing position can be accurately positioned, and the reliability of the detection method can be improved.

The invention relates to an automatic detection method for defects of infusion catheters by a machine vision system, comprising: using a clamp to fix the infusion catheters on a conveyor belt; Carry out preliminary inspection, and conduct secondary inspection after passing the preliminary inspection, and judge the infusion catheter as qualified after the second inspection; when it is judged that the infusion catheter is unqualified, judge the defect type and defect level; move the judged completed infusion catheter to the finished product area or waste product area; the present invention clamps the infusion catheter by controlling the clamp to perform secondary inspection on the infusion catheter, and can deform the infusion catheter without damaging the infusion catheter, so that the visual inspection system can perform deeper detection on the surface of the infusion pipe , so that the visual inspection system can accurately detect the hidden defects in the infusion catheter, effectively improving the detection accuracy of the method of the present invention for the infusion catheter.

The invention discloses a method and device for detecting contraband articles, comprising: collecting absorption spectrum data of articles to be inspected with a set content; Absorption spectrum data; for each kind of interference sample, for each content ratio set in advance, according to the absorption spectrum data of the interference sample of the content ratio, the absorption spectrum data of the collected item to be inspected is decomposed, and the The de-interference absorption spectrum data of the inspected item under the interference sample of the content ratio; Compare the de-interference absorption spectrum data with the absorption spectrum data of the standard product of the prohibited item with a set content, and judge whether the item to be inspected is the prohibited item according to the comparison result. By applying the present invention, it can be detected whether the item to be checked containing the interfering substance is a prohibited item.

The invention provides an ICP (Inductively Coupled Plasm) light source flame state detection device and a detection method. The detection method comprises the steps: incident flame light of an ICP light source is attenuated by a light attenuation filter; the attenuated flame light is transmitted to an image sensor; after the attenuated flame light is sensed by the image sensor, a flame image is obtained; the flame image is transmitted to a video frame buffer; the frequency of the flame image is adjusted by the video frame buffer, so the frequency is consistent to the frequency of a processor, accordingly, information of each frame of flame image collected by the image sensor is obtained, and image obtainment is finished; then, the image information is transmitted to the processor, and the image information is subjected to image pretreatment, mode matching and flame state judgment by the processor. The device and the method overcome the defects in the prior art, the detection and analysis can be carried out on the ICP light source flame state, and reliable detection results can be provided for subsequent fully-automatic ignition control of instruments.

The invention provides an air conditioner and a control method therefor. The control method comprises: obtaining a defrosting historical operation record of the air conditioner, wherein the defrosting historical operation record comprises the defrosting duration of each time of defrosting of the air conditioner; adjusting the defrosting interval time of the air conditioner according to the defrosting historical operation record; after the heating time of the air conditioner reaches the defrosting interval time, measuring the coil pipe temperature of an indoor unit heat exchanger of the air conditioner, and determining whether the air conditioner starts defrosting according to the coil pipe temperature of the indoor unit heat exchanger of the air conditioner, so that the air conditioner can accurately determine whether the air conditioner starts defrosting, and the working performance of the air conditioner is improved.

The invention provides a quoting method and device for patent value evaluation. First applicant's soft information is obtained by a first retrieval platform; according to the first applicant's soft information, a first weighting value is obtained; trademark information of the first applicant is obtained by a second retrieval platform; a second weighting value of a client is obtained based on the trademark information of the first applicant; according to the first weighting value and the second weighting value, a first total score is determined; a first purchasing power index of the patent is obtained based on the first total score; and a first purchasing power corresponding to the first purchasing power index is compared by a database, wherein the first purchasing power is the power for purchasing the patent by the client. Therefore, a technical problem of lack of one set of systems to determine the patent purchasing power of an enterprise in the prior art is solved; the patent purchasing power of an enterprise can be determined accurately; the patent conversion rate and work efficiency are improved; and the data security is guaranteed.

The invention discloses a method for detecting the sealing state of a watertight door based on fiber bragg gratings, and the method comprises the steps: a plurality of fiber bragg grating strain gauges are arranged on the watertight door, and the plurality of fiber bragg grating strain gauges for detection are fixedly disposed on the bottom surface of a sealing groove of the watertight door, the temperature compensation fiber bragg grating strain gauge is fixedly installed on a door plate of the watertight door to eliminate temperature influence, the wavelength difference value of the fiber bragg grating when the watertight door is closed and opened is monitored in real time, a strain difference value curve of the watertight door is obtained, and through a threshold value judgment method and establishment of a fiber bragg grating strain difference value curve database, the sealing state of the watertight door can be accurately judged. The detection precision and stability are greatly improved by adopting a detection method based on an optical fiber sensing technology, the accuracy of detection of the sealing state of the watertight door is improved by adopting a multi-point-position mounting method of a plurality of fiber grating strain gauges, and when the watertight door is in an abnormal sealing state, the abnormal sealing reason can be judged, the abnormal sealing position can be accurately positioned, and the reliability of the detection method is improved.

The invention discloses a method for selecting a T-junction circuit fault branch circuit based on branch circuit selection factors. The method comprises measuring respectively a fault phase voltage, fault phase current, fault phase negative-sequence current and zero-sequence current of the T-junction circuit at a protection installation position of three branch circuits; and calculating fault branch circuit selection factors at the T-junction point of the three branch circuits respectively, and determining a branch circuit to be a fault branch circuit of the T-junction circuit if a fault branch circuit selection factor of the branch circuit at the T-junction point is smaller than zero. The method is suitable for fault branch circuit selection of a whole fault process after a single-phase earth fault occurs in the T-junction circuit, and selection results are not subject to transition resistance, load current and fault positions. When a single-phase high-resistance earth fault occurs in the T-junction circuit, the fault branch circuit of the T-junction circuit can be accurately determined by using the method.

The invention discloses a method, device and system for judging the state of a storage battery. The method comprises the steps of obtaining a current voltage value of the storage battery; obtaining charge and discharge time of the storage battery, wherein the charge and discharge time includes charge time and discharge time of the storage battery; and determining the state of the storage battery according to the current voltage value and the charge and discharge time of the storage battery, wherein the state of the storage battery comprises a normal state, an abnormal state and a fault state. The state of the storage battery can be judged on the premise of not installing a storage battery sensor or a storage battery electric eye, the damage of misuse to the storage battery is avoided while the cost is reduced, and the service life of the storage battery is ensured.

The invention relates to dry burning judgment method applied to PTC heating equipment. The dry burning judgment method is characterized in that one end of PTC heating equipment is connected with a live wire, the other end of the PTC heating equipment is connected with one end of a resistor, and the other end of the resistor is connected with a zero line through a silicon controlled rectifier; a control electrode of the silicon controlled rectifier is connected with a corresponding control signal output terminal of a main control chip, the joint of the PTC heating equipment and the resistor isused as a temperature signal detection terminal, and the temperature signal detection terminal is connected with a corresponding signal input terminal of the main control chip; the main control chip acquires an electric signal of the temperature signal detection terminal, compares the processed electric signal with a preset threshold value, and judges whether the PTC heating equipment is in a dryburning state or not according to a comparison result; and the main control chip sends a signal through the control signal output terminal to control the on-off state of the silicon controlled rectifier so as to control whether the PTC heating equipment is connected with a power supply or not. Whether the PTC heating equipment is in a dry burning state or not can be accurately judged, a special temperature control or temperature measurement device is omitted, so that cost reduction is facilitated.

The embodiment of the invention provides a self-cleaning control method and device and a multi-split air conditioner, and relates to the technical field of air conditioners. The self-cleaning controlmethod comprises the steps: obtaining a reference current value of an indoor fan of the indoor unit; acquiring a real-time current value of the indoor fan; judging whether the indoor unit corresponding to the indoor fan meets a self-cleaning condition or not according to the real-time current value and the reference current value; and if the indoor unit meets the self-cleaning condition, controlling the multi-split air conditioner to conduct self-cleaning. According to the self-cleaning control method and device and the multi-split air conditioner, whether the indoor unit needs to be self-cleaned or not can be effectively and accurately judged, and the steps are simple and easy to implement.

A dry burning judgment method applied to PTC heating equipment, characterized in that: one end of the PTC heating equipment is connected to a live wire, the other end of the PTC heating equipment is connected to one end of a resistor, and the other end of the resistor is connected to a zero line through a thyristor; The control electrode of the silicon-controlled silicon is connected to the corresponding control signal output terminal of the main control chip, and the connection between the PTC heating device and the resistor is used as the temperature signal detection terminal, and the temperature signal detection terminal is connected to the corresponding signal input terminal of the main control chip; the main control chip Obtain the electrical signal of the temperature signal detection terminal, compare it with the preset threshold value after processing, and judge whether the PTC heating device is in a dry state according to the comparison result; the main control chip sends a signal through the control signal output terminal to control the flow of the thyristor. Off state to control whether the PTC heating equipment is powered on. The invention can accurately judge whether the PTC heating equipment is in a dry burning state, saves special temperature control or temperature measuring devices, and is beneficial to reduce costs.