78 results about "Liquid based" patented technology

The invention provides a liquid level measuring device, a liquid level measuring method and a liquid container, and the liquid level measuring device comprises a sensor which is provided with a stay wire; the rotating component is connected with the other end of the stay wire and is used for rotating by taking a rotating shaft as a center; one end of the connecting rod is fixed to the rotating assembly, and the other end of the connecting rod extends outwards from the rotating assembly; the buoy is connected to the other end of the connecting rod and floats on the surface of the liquid, the buoy moves along with the change of the liquid level of the liquid, the movement of the buoy drives the connecting rod to rotate with the rotating shaft of the rotating assembly as the center, and meanwhile, the movement of the buoy drives the pull wire to generate displacement through the rotation of the connecting rod and the rotating assembly; the processor is electrically connected with the sensor; the sensor is used for converting displacement generated by the stay wire into electric signals, and the processor determines and outputs liquid level data of liquid based on the electric signals. Accurate detection of the liquid level is achieved, tiny changes of the liquid level can be detected, meanwhile, the buoy cannot be wound in the moving process, and product faults are avoided.

The invention discloses a storage tank bottom plate corrosion risk prediction method based on electrochemical testing, and relates to the technical field of oil and gas storage and transportation monitoring, and the method comprises the steps: obtaining an external soil sample and an internal deposited water sample of a to-be-predicted storage tank, and obtaining the original environment parameters of the samples; the method comprises the following steps: respectively constructing a soil simulation solution and a deposition water simulation solution based on an out-tank soil sample and an in-tank deposition water sample, and respectively adding a standard metal sample made of the same material as a bottom plate of a to-be-predicted storage tank into the soil simulation solution and the deposition water simulation solution so as to realize an external corrosion test and an internal corrosion test, obtaining a corresponding corrosion test result; and inputting the original environmental parameters, the corrosion test result and the bottom plate information of the to-be-predicted storage tank into a preset corrosion risk assessment model to perform corrosion risk level prediction on the bottom plate of the to-be-predicted storage tank, and outputting the corrosion leakage risk level of the bottom plate of the to-be-predicted storage tank. And the bottom plate can be effectively inspected and predicted without periodically opening the tank.

An embodiment of the present disclosure has a printhead configured to print an image for characteristic detection onto a printing medium containing foaming particles by ejecting a foaming promotion liquid and a colored liquid, the image for characteristic detection having at least N unit regions, the colored liquid being applied to the at least N unit regions in equal amounts, and the foaming promotion liquid being applied to the at least N unit regions in amounts varying in stages; a foaming unit configured to foam the foaming particles; a scan unit configured to scan the image for characteristic detection and obtain, as scan results of the image for characteristic detection, correspondences between the at least N unit regions and scan values of the colored liquid; and a calculation unit configured to calculate a correction value for correcting an application amount of the foaming promotion liquid based on the scan results.

A treatment composition for being added to petroleum based liquids for reducing total sulfur content in the petroleum based liquids, comprising: sodium sulfide and at least one hydroxide compound. A dosage of the treatment composition may be added to liquids containing sulfur, including crude oil and distillates of crude oil and then allowed to react with such liquids over a period of time, e.g., hours or days. By such reaction total sulfur content of the liquids may be reduced by more than 50%.

A computer-implemented method (201, 301) for determining a quantitative condition (QC1, QC2) of a cleaning liquid (19, 119) in a cleaning device (1, 101) of a personal care device (e.g., an electric shaving tool (3, 103)) is provided. The method involves controlling (203, 207, 303) a motor (23, 129) configured to drive a liquid displacement member (21, 121) of the cleaning device for successive operation at least at two different motor speeds (MS1, MS2), and receiving (205, 209, 303) from a sensor (65, 165) a sensor output (SIM1, SIM2) related to a current (IM1, IM2) in the motor (23, 129) for each of the at least two different motor speeds. The method further involves determining (213, 307), for at least two different motor speeds, a parameter value (PdI / dMS) associated with a degree to which the current in the motor varies according to the motor speed, based on the current in the motor; and determining (215, 309) a quantitative condition of the cleaning liquid based on the determined value of the parameter and based on a predetermined relationship between the quantitative condition and the parameter.

The systems, devices, and methods include a liquid level sensor comprising a liquid level sensor plate, a touch sensor plate, and a control unit. The liquid level sensor plate includes a plate made of conductive material. The touch sensor plate also includes a plate made of conductive material. The control unit is coupled to the liquid level sensor plate and the touch sensor plate. The control unit is configured to detect the presence of liquid based on the liquid level data from the liquid level sensor plate and to detect touch input based on the touch data from the touch sensor plate.

The invention discloses a civil air defense door of a composite structure and an installation method of the civil air defense door. The problems that a traditional civil air defense door is large in weight and fixed in performance, and a non-Newtonian fluid pre-filling scheme loses efficacy easily after being stored for a long time are solved. A cavity is formed in the door leaf, and a storage box for pre-storing solid particle powder is detachably contained in the cavity. And a liquid storage tank is additionally arranged and is communicated with the cavity through a pipeline. During use, liquid base liquid is injected into the cavity to be mixed with powder, a non-Newtonian fluid protection layer is formed through activation, and the problem of material sedimentation failure is fundamentally solved. According to the invention, the cavity is divided into two layers, namely the attack-on surface and the attack-back surface, and liquid injection can be independently controlled, so that switching between a standard protection mode and a reinforced protection mode is realized. And the modular storage box design is adopted, so that powder can be uniformly distributed, rapidly replaced and upgraded. The civil air defense door is not provided with a storage box at ordinary times so as to keep light, is quickly mounted during use so as to realize heavy load protection, and has the advantages of high reliability, flexibility and convenience in maintenance.

The system must be able to shut down safely even if an electrical malfunction occurs. [Solution] The liquid discharge head includes a drive means capable of performing at least one of a drive that circulates liquid and a drive that discharges liquid based on a printing signal, and a monitoring means that sets at least one of the drives that circulate liquid and the drive that discharges liquid as a target for monitoring, and monitors at least one of the signal supplied to the target for monitoring and the drive voltage supplied to the target for monitoring based on a predetermined set value, wherein the set value is set to be unrewritable.

In one aspect, a cooling tower system is provided that includes an evaporative heat exchanger, a sensor configured to detect a parameter of evaporative liquid distributed to the evaporative heat exchanger, and an evaporative liquid treatment system. The cooling tower system also includes a controller having a normal operating mode in which the controller operates the evaporative liquid treatment system to treat the evaporative liquid based at least in part on a determination of insufficient evaporative liquid quality based on the parameter of the evaporative liquid. The controller has a failsafe operating mode in which the controller changes operation of the cooling tower upon a determination that operation of the evaporative liquid treatment system cannot remedy the insufficient evaporative liquid quality.

A method for measuring a remaining amount of a liquid within a liquid storage container includes: discharging the liquid within the liquid storage container to outside through a suction tube, observing a size or a number of bubbles contained in the liquid passing through a light transmitting part; and estimating the remaining amount of liquid based on the size and number of observed bubbles. Furthermore, the method may further include estimating the remaining amount using an ultrasonic carrier wave, wherein the estimating of the remaining amount using the ultrasonic carrier wave may include: oscillating ultrasonic waves from an ultrasonic generator to the inside of the liquid storage container; receiving the ultrasonic waves returned after the oscillation to analyze a waveform of the ultrasonic waves; and comparing the waveform of the ultrasonic waves to previously provided reference data to estimate the remaining amount of liquid.

The invention provides a liquid water beam refractive index detection method and detection system, the detection system comprises a to-be-detected pool, the to-be-detected pool comprises a containing cavity, the containing cavity contains to-be-detected liquid, the to-be-detected pool comprises a first communication part and a second communication part, and the containing cavity is communicated with the external environment through the first communication part and the second communication part; the second communication part is used for leading out the to-be-detected liquid in the accommodating cavity so as to form a liquid water beam; the detection light source is used for sending detection light into the to-be-detected pool; the reflecting mirror is used for receiving and reflecting the detection light; the detector is arranged below the to-be-detected pool; the detector is used for detecting optical power; and the controller determines the refractive index of the to-be-detected liquid based on the optical power. The detection system can detect the real-time refractive index of the liquid in the flowing state, and compared with an existing detection method, the sampling and standing time is effectively shortened, the detection rate is increased, and the technical problem that the refractive index of the flowing liquid cannot be detected through the existing detection method is solved.

To improve the convenience of managing liquid levels. [Solution] The liquid level measurement system comprises a transmitter 1 that transmits a signal that reaches within a predetermined distance range; a float 2 that floats on the surface of the liquid whose change is to be measured and has the transmitter 2 placed inside it; a receiver 3 that detects the distance h from the transmitter 1 by receiving the signal transmitted from the transmitter 1, which is placed inside the float 2, while the float 2 is floating on the surface of the liquid; and a measuring device 4 that measures the liquid level H on the surface of the liquid based on the distance h detected by the receiver 3 and outputs information based on the liquid level H.

The invention discloses an automatic liquid spraying type floor brush structure based on dust and fungus detection, which comprises a floor brush body connected with a dust collector main machine through a joint pipe, and a main controller is arranged in the dust collector main machine; the water storage tank is fixedly mounted on the floor brush body; the spraying module comprises a spraying box, a diaphragm pump, a storage battery and an atomizing nozzle, and the spraying box is detachably mounted on the water storage tank; the detection module comprises a dust induction PCB and a dust induction lamp, the dust induction PCB is fixedly installed in the spraying box and is in wireless communication connection with the main controller, and the dust induction lamp is fixedly installed on the spraying box. Compared with the prior art, the problems that the cleaning effect is poor and human health is affected due to ground dust raising in the ground cleaning process of a ground brush are solved.

The present invention is provided with: a flow rate adjustment unit that adjusts the amount of cleaning liquid discharged from a cleaning nozzle (202) that discharges the cleaning liquid onto the outer wall of a sample dispensing probe (111b); a liquid level detector (210) that measures the capacitance of the sample dispensing probe (111b); and a controller (118) that obtains height information of the upper surface of the cleaning liquid on the basis of capacitance data measured by the liquid level detector (210) at a horizontal position at a cleaning position at which the sample dispensing probe (111b) is cleaned, and obtains a cleaning range of the sample dispensing probe (111b) at the horizontal position on the basis of the height information of the upper surface of the cleaning liquid. Whether or not the amount of cleaning liquid needs to be adjusted by the flow rate adjusting unit is determined on the basis of the determined cleaning range.

The utility model relates to the technical field of medical instruments, and particularly discloses a liquid-based cell preservation bottle which is characterized in that a lower joint detachably sleeved and matched with a bottle opening of a lower bottle body is arranged at the bottom end of an upper bottle body, an upper joint is arranged in the middle of the top surface of the upper bottle body, and a plurality of spikes are arranged on the inner peripheral wall of the upper bottle body; and the top cover is detachably sleeved on the upper joint. And a filter screen plate is arranged on the inner peripheral wall of the lower bottle body close to the bottle opening. The opening of the lower connector is covered with a lower sealing membrane, and the opening of the upper connector is covered with an upper sealing membrane. The problem that the liquid-based cell holding bottle is inconvenient to fully collect sample cells and take liquid for detection is well solved.

The utility model provides a liquid leakage detection circuit and an electric device. The liquid leakage detection circuit comprises an excitation circuit, a liquid level acquisition circuit and a comparison circuit. The excitation circuit is used for outputting an electric excitation signal; the liquid level acquisition circuit is coupled with the excitation circuit and is used for converting the liquid level of the liquid into an electric signal; the comparison circuit is coupled with the liquid level acquisition circuit and outputs a feedback signal based on the electric signal output by the liquid level acquisition circuit; wherein the feedback signals comprise different combinations of level signals; and the external control unit judges the liquid level grade of the liquid based on the feedback signal. Specifically, due to the design, the external control unit can obtain different liquid level grades based on different combinations of level signals, the requirements of graded early warning and on-demand protection on battery leakage are met, user loss caused by overprotection or safety risks caused by protection lag are effectively improved, and the safety of the battery is improved. And the reliability of liquid leakage detection of the battery is remarkably improved.

The present disclosure relates to systems and methods for monitoring liquid levels within cartridges of automated cell processing systems during cell processing. A method for automated cell processing may first include coupling a cell processing cartridge to an instrument configured to perform a cell processing operation with at least one module of the cartridge. Next, the method may include detecting, via a vision system of the instrument, a liquid level of a liquid within one or more cell processing modules of the cartridge. Finally, the method may include determining a volume of the liquid based on the liquid level.

The present invention provides a liquid discharge head and a liquid discharge device. The liquid discharge head includes: an insulating member disposed on a substrate; a resistance heating element disposed in the insulating member and configured to generate heat energy for discharging liquid; a bubble chamber disposed above the insulating member and configured to generate bubbles of liquid based on heat energy; and a temperature sensing element capable of detecting the temperature in the bubble chamber, wherein the temperature sensing element is disposed between the resistance heating element and the bubble chamber, and is located in the conductive layer closest to the bubble chamber among a plurality of conductive layers disposed relative to the insulating member.

A spray nozzle comprises an elongated cylinder comprising a first end, an opposite second end, and a conduit extending between the first end and the second end, wherein the first end is configured for receiving a liquid based composition and a compressed gas, wherein the second end comprises at least one outlet for the liquid based composition and the compressed air, and wherein the elongated cylinder is formed from a first ceramic material that can withstand temperatures of at least 300 °C and that will not corrode when exposed to the liquid based composition.

1. Name of the product in this design: Electromagnetic Flu Flow Meter. 2. Purpose of this design: A high-precision flow meter for measuring the volumetric flow rate of conductive liquids based on the law of electromagnetic induction. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The invention belongs to the technical field of gas absorption and separation, and discloses a phase separation rate adjustable method-ethanol accelerant which comprises 5mol / L of monoethanolamine, 5mol / L of sulfolane and water as a solvent. The phase splitting speed is obviously increased; the phase splitting time is 32 minutes and 50 seconds before the absolute ethyl alcohol is not added, and the phase splitting time is 6 minutes and 9 seconds after the absolute ethyl alcohol with the volume fraction of 5 percent is added; the method is suitable for different temperatures and concentration ratios, energy loss is reduced, and the method has a good industrial application prospect.

This invention relates to the field of industrial process automation control and waste liquid resource utilization technology, specifically to a concentration regulation system for preparing liquid fertilizer from erythromycin waste liquid based on process control. The system includes: a data acquisition terminal acquiring fluid dynamics time-series data, concentration characterization time-series data, and actuator status data; an ideal reference reconstruction module reconstructing ideal concentration data based on the fluid dynamics time-series data and actuator status data; an interference simulation module injecting interference into the ideal concentration data based on preset fouling characteristics, rheological interference characteristics, and fluid dynamics time-series data to generate simulated concentration data; a coupling decision module generating actual concentration estimation data based on the concentration characterization time-series data, and accordingly generating regulation commands including closed-loop regulation, freeze regulation, cleaning, and temperature compensation commands; and a regulation execution module responding to the regulation commands and controlling the corresponding mechanisms. This invention ensures that the actions do not excessively rely on pollution observation values.

The application discloses a liquid-based sample analysis system and a conveying method of a slide basket. The liquid-based sample analysis system comprises a liquid-based sample preparation and staining machine, a cover machine arranged adjacent to the liquid-based sample preparation and staining machine, and a slide reading machine arranged adjacent to the cover machine. The liquid-based sample preparation and staining machine is used for carrying a sample onto a substrate. The cover machine is used for receiving the substrate carrying the sample and covering a cover glass on the substrate carrying the sample to form a cover. The slide reading machine is used for obtaining the cover from the cover machine and reading the cover. The liquid-based sample preparation and staining machine and the cover machine convey the substrate through opposite sides. The cover machine and the slide reading machine convey the cover through opposite sides. The liquid-based sample analysis system can realize full automation of sample preparation, cover forming and scanning reading, and has a small space occupation size.

The present disclosure relates to systems and methods for monitoring liquid levels within cartridges of automated cell processing systems during cell processing. A method for automated cell processing may first include coupling a cell processing cartridge to an instrument configured to perform a cell processing operation with at least one module of the cartridge. Next, the method may include detecting, via a vision system of the instrument, a liquid level of a liquid within one or more cell processing modules of the cartridge. Finally, the method may include determining a volume of the liquid based on the liquid level.

The application discloses an electronic atomization device, which comprises an atomizer and a power supply assembly for providing power for the atomizer. The atomizer is provided with a liquid storage cavity for storing a liquid base and an atomization assembly for atomizing the liquid base to generate an aerosol. The power supply assembly comprises a housing having a first end and a second end oppositely arranged along the length direction thereof, and a first sidewall and a second sidewall oppositely arranged and extending between the first end and the second end. A suction nozzle is arranged at the first end, and the suction nozzle is defined with a first air outlet for the aerosol to escape from the electronic atomization device. The housing is further defined with a receiving cavity extending through the first sidewall and the second sidewall for removably receiving the atomizer. The atomizer has a first surface, and when the atomizer is received in the receiving cavity, the first surface is at least partially exposed, and an air inlet is arranged on the exposed area of the first surface for external air to enter the electronic atomization device. In this way, the airflow is prevented from flowing through the interior of the power supply assembly.

The invention discloses a material flow self-adaptive control system in a condiment continuous proportioning process, and relates to the technical field of condiment proportioning control, and the material flow self-adaptive control system comprises a main conveying unit used for continuously conveying a liquid basic condiment; the at least one auxiliary material feeding unit is connected with the output pipeline of the main conveying unit in a converging manner and is used for continuously adding solid seasoning auxiliary materials into the liquid basic seasoning; the temperature detection unit is used for detecting the temperature of the liquid basic seasoning in real time; the controller is in signal connection with the main conveying unit, the auxiliary material feeding unit, the pressure detection unit, the flow detection unit, the auxiliary material flow detection device and the temperature detection unit; according to the invention, the rheological state of the main body material is sensed on line through coupling analysis of the pipeline pressure difference and the pump power signal, and according to dynamic feedforward compensation auxiliary material ratio setting, compound control is formed, so that the influence of natural fluctuation of the main body material characteristics on the mixing uniformity can be effectively and adaptively counteracted.

This invention provides a novel photoelectric liquid level sensor, comprising: a light-emitting device for emitting infrared light or laser light; a light guide block vertically mounted between the light-emitting device and a receiving device; a receiving device for receiving the intensity of reflected light; a signal amplification and processing device electrically connected to the receiving device for processing the reflected signal; and an MCU controller electrically connected to the signal amplification and processing device for determining the presence or absence of liquid based on the processed signal and outputting a corresponding signal. The light guide block is configured such that when there is no liquid, the air and the light guide block form a mirror, causing the emitted light to reflect; when there is liquid, the light guide block and the liquid have similar densities, so there is no mirror, and the emitted light passes directly through. This invention, through its vertical light guide block and transmissive optical path design, eliminates the traditional triangular light cone structure, achieving non-invasive installation, high-precision detection, and reduced production costs.

1. Name of the product in this design: Electronic atomizing device with graphical user interface displaying liquid base mass, battery level, and inhalation status. 2. Purpose of this design: To atomize e-liquids such as those in electronic cigarettes to produce an inhalable aerosol. 3. The key design feature of this product is its graphical user interface. 4. The image or photograph that best illustrates the design's key features: the front view. 5. The product carrier uses a conventional design, omitting the rear, left, right, top, and bottom views. 6. Purpose of the graphical user interface: to display the usage status and functions of the electronic atomization device. 7. Human-computer interaction method of graphical user interface: The main view displays the interface when the product is in use, with both the battery level and liquid base mass at 75% and the product is in boost mode. Interface change state diagram 1 shows the interface when the product's battery level drops to 20%, the liquid base mass drops to 50%, and the product is in normal mode. Interface change state diagrams 2 and 3 show the product using more different theme background images. Interface change state diagram 4 shows the interface for selecting and switching theme background images. Interface change state diagram 5 shows the interface for switching the product's working mode. Interface change state diagram 6 shows the suction animation interface when the product enters the inhalation state. Interface change state diagram 7 shows the charging animation interface when the product is charging. Interface change state diagram 8 shows the screen turning off and entering the pilgrimage pointer interface. Interface change state diagram 9 shows the abnormal reminder interface when the product has low battery. Interface change state diagram 10 shows the abnormal reminder interface when the product's battery level drops below 5% and the battery depletion state. Interface change state diagram 11 shows the pod replacement prompt interface. Interface change state diagram 12 shows the prompt interface for swiping the screen to unlock after the product is locked. 8. Other situations requiring explanation Other explanation: The content in the dotted line represents content that is not subject to protection.

The present application relates to a kind of based on double-layer color checkerboard background transparent liquid surface measurement method, comprising the following steps: build experimental measurement system;Reference image and deformation image are shot;Based on RGB channel extraction, reference image and deformation image are respectively carried out color channel separation, and the corresponding red channel image and blue channel image are obtained;Based on fast checkerboard demodulation method, the red channel image of reference image and deformation image, blue channel image is analyzed respectively, obtains image pixel deformation field, and subtraction is carried out, obtains difference deformation field;Based on free surface synthetic schlieren method, after using difference deformation field to obtain the liquid surface gradient field to be measured, inverse gradient calculation is carried out, obtains the actual distribution of the liquid surface topography to be measured.Compared with prior art, the present application overcomes the limitation that traditional synthetic schlieren technique is sensitive to liquid depth and has poor noise resistance, and is suitable for static and transient measurement of complex fluid micro-deformation interface topography.