24 results about "Fuel gauge" patented technology

The invention discloses a fuel grading time sequence cutting method for a multi-fuel multi-fuel combustion boiler under the FCB working condition of a steel mill, and belongs to the field of power plant boiler control. According to the method, aiming at a hearth 11-section combustor, a multi-fuel collaborative removal strategy is provided, after an FCB is triggered, a fuel target value is set to be 17 t / h coal feeding amount, an AB layer 2 / 4 horn combustion-supporting oil gun and A layer ignition oil are synchronously put into operation, one COG is reserved, the fuel pressure is maintained to be 1.8 MPa for automatic control, and the air volume is locked to be 550 t / h. Fuel cutting adopts four-stage sequential control: 1) cutting off a first layer of emulsion at the same time; (2) the coal mills trip one by one according to the E-D-C-A sequence at the interval of 2 s, and a single coal mill is kept to operate; 3, BFG combustors are cut off in a grouping mode at the interval of 3 s, a diagonal single cutting mode is adopted, and the interlayer interval is 2 s, and 4, COG tripping is conducted in sequence at the interval of 1.5 s, and tail end ignition oil is retained. Dynamic matching of fuel switching and a hearth system is achieved through override control, the combustion stability problem of the low-heating-value BFG is solved, and it is ensured that the total fuel quantity does not exceed the rated load by 30%.

An apparatus for controlling a driver for a mist inhalation pod for delivering a mist including nicotine. The apparatus comprises a main printed circuit board (PCB) and a controller mounted to the main PCB, the controller including a processor and a memory, the memory storing executable instructions which, when executed by the processor, control at least one function of the apparatus. The apparatus comprises a load driver circuit mounted to the main PCB, the load driver circuit being configured to generate a load drive signal to control generation of the mist in the mist inhalation pod, the mist including nicotine. The apparatus comprises a fuel gauge circuit configured to monitor the charge level of a battery. The apparatus further comprises first and second switches that are controllable by the controller to electrically connect / disconnect the load driver circuit and the fuel gauge circuit to the battery. The load driver circuit and the fuel gauge circuit are disconnected when the load driver circuit and the fuel gauge circuit are not in use to minimise power consumption by the battery.

A system for calibrating a medical system backup battery includes a processing device and a memory storage device. The memory storage device includes instructions executable by the processor to receive a shutdown request to shut down a medical system having a backup battery. Additionally, these instructions are executable by the processor to determine a calibration expiration of the backup battery based on a current date and a calibration expiration date in response to receiving a shutdown request. In addition, these instructions are executable by a processor to provide a request to perform a discharge of the backup battery to a voltameter board of a power management board of the medical system.

The utility model provides an oil gauge physics teaching demonstrator comprising an oiling machine which is provided with a first oil outlet, and the first oil outlet is connected with an oil gun through a pipeline; the oil storage tank is arranged above the oiling machine; a second oil outlet is formed in the bottom of one side of the oil storage tank, an oil inlet is formed in the same side of the oiling machine and the oil storage tank, and a discharge valve is connected between the second oil outlet and the oil inlet through a pipeline; an arc-shaped resistance wire coil, an indicating rod and an oil gauge are arranged on the front surface of the demonstration panel; an indicating arrow is arranged at the front end of the indicating rod, and a metal slip sheet is arranged in the indicating arrow and is connected with the resistance wire coil; the rear end of the indicating rod is connected with a supporting rod, one end, far away from the indicating rod, of the supporting rod is connected with a floating ball, and the floating ball is arranged in the oil storage tank. The oil gauge teaching demonstrator integrates the functions of oil loading, oil unloading and display, and is more visual in operation and observation.

Instrument control system (100) which is at least partially arranged in a vehicle and comprises the following: a data storage device (113); a processor (101) which communicates with both the data storage (113) and a control bus (111) of the vehicle; a display (103) which communicates with the processor (101) via a display channel (104) which has a maximum transmission bandwidth, wherein the display (103) receives display data from the processor (101) with a first transmission bandwidth which is less than the maximum transmission bandwidth; and an instrument cluster (105) comprising several instruments (107) which communicate with the processor (101) via the display channel (104), wherein the several instruments (107) include at least one of the following: a general-purpose input / output expander (107a), a stepper motor driver (107c), a speedometer, a tachometer, an engine thermometer, a fuel gauge or a warning tone generator; wherein the multiple instruments (107) jointly receive data from the processor (101) with a second transmission bandwidth that is not greater than the difference between the maximum transmission bandwidth and the first transmission bandwidth, and the processor (101) is capable of controlling each of the multiple instruments (107); wherein the unused bandwidth of the display channel (104) forms a return channel (109) between the processor (101) and the instrument cluster (105); wherein the instruments (107) using the return channel (109) have common bandwidth requirements which are less than the difference between the maximum transmission bandwidth and the first transmission bandwidth, the second transmission bandwidth is used for the exchange of control data between the processor (101) and the instrument cluster (105).

One aspect of the invention relates to an aircraft fuel gauge (20) which is intended to be located inside an aircraft fuel tank (10), the fuel gauge (20) being configured to form at least one capacitor (C1) with a fuel in the fuel tank (10), the fuel acting as a dielectric of the capacitor (C1), the fuel gauge (20) comprising at least one memory (212) and a microprocessor (211), the microprocessor (211) being configured to: - convert (51) a measured analogue capacitance value of the capacitor into a digital capacitance value; - calculate (52) a fuel height in the fuel tank (10) from the digital capacitance value and a predetermined dielectric constant of the fuel stored in the memory (212) of the fuel gauge (20); - store (53), in the memory of the fuel gauge (20), the calculated fuel height; - transmit (54) the calculated fuel height to a computer in a digital signal.

The embodiment of the invention provides a vehicle fuel oil calibration method and device, a vehicle and a storage medium. The calibration method comprises the following steps: acquiring a change curve of the fuel resistance value along with the change of the fuel liters under different inclination angles of a vehicle, and establishing a corresponding relation between the fuel liters and the scales of the fuel gauge; and the vehicle body inclination angle and the fuel oil resistance value are obtained, a change curve corresponding to the current inclination angle is matched from existing change curves to serve as a target curve, the collected fuel oil resistance value is substituted into the target curve, and the corresponding fuel oil liter number is determined. And converting the actual fuel oil liter into a corresponding fuel oil meter display value according to the corresponding relationship between the fuel oil liter and the fuel oil meter scale. According to the scheme, the real fuel oil liter in the fuel tank can be determined firstly under the condition that a vehicle body is inclined or the shape of the fuel tank is irregular, the problem that in the prior art, when a vehicle runs on a ramp or an uneven road surface, the reading of a fuel oil meter is deviated due to oil liquid shaking is solved, and the accuracy and stability of fuel oil quantity display are remarkably improved.

A fuel tank of an all-terrain vehicle is provided. The all-terrain vehicle includes a vehicle frame unit, and a fuel tank that stores fuel for combustion and explosion in a power unit is fastened to the vehicle frame unit. The fuel tank is mounted with a fuel pump and a fuel gauge that separate and independent components, and the fuel pump and the fuel gauge are mounted on the fuel tank separately and in a staggered manner. As such, the fuel storage of the fuel tank can be ensured and the overall stiffness and strength of the fuel tank can be ensured, and mounting engineering of the fuel pump and the fuel gauge is made convenient.

This disclosure includes systems and methods for calibrating a vehicle fuel gauge. Some systems include a fuel system processor that is configured to transmit a first signal and receive, from an ECM of the vehicle, a second signal that corresponds to a fuel level to be displayed on a gauge of the vehicle, and a fuel level interface circuit configured to receive the first signal and transmit a third signal that corresponds to the first signal to the ECM to cause the ECM to transmit the second signal, wherein the fuel system processor and / or the fuel level interface circuit are configured to calibrate the gauge such that a fuel level corresponding to the first signal matches the fuel level corresponding to the second signal.

A lawn mower may include at least one of: (a) recessed channel(s) in a fuel tank configured for receiving hydraulic hose(s); (b) hydraulic reservoirs, for hydraulic fluid for corresponding transmissions, mounted on a plate and configured to be easily removable for fuel tank access; (c) a fuel tank including a protruding tower including a fuel gauge, where the fuel gauge is configured to be viewable through a hole in a dash panel of the mower and mounted substantially flush with the hole in the dash panel plate; (d) a pivotable and removable thigh pad for stand-on applications where the thigh pad is configured to be easily removable by hand without the need for any tool; (e) a pivotal footplate with angle portions for receiving respective feet of a mower operator; (f) a support under the footplate, where cross members of the support are angled upwardly in order to increase clearance at bottom sides of the mower inside rear drive wheels, such as for improved curb clearance during mower operations and / or to provide for more efficient use of space; (g) an improved interlock design for selectively locking mower pivotal hand controls upon pulling of a parking brake lever / handle; and / or (h) at least one dampening washer (e.g., felt washer) and bearing structure positioned and configured to reduce vibration and / or oscillation / movement of pivotal mower hand controls.

The invention provides a burning calibration method and system for a voltameter chip. Comprising the steps that after verification of a target voltameter chip is passed and space erasing is completed, synchronous verification of burning and checksum is sequentially carried out on an APP area and a DataFlash area; respectively calculating a cell gain value and a battery pack gain value based on the current voltage acquisition value, and writing the cell gain value and the battery pack gain value into a first preset address to update the voltage calibration value; and verifying the validity of the current acquisition value in real time, calculating a current average value according to the current acquisition value based on a verification result, calculating a current gain value according to the current average value, and writing the current gain value into a second preset address to realize updating of the current calibration value. According to the invention, the data written into the chip can be ensured to be complete and accurate; and the current calibration accuracy and the direct connection success rate can be realized, and the reliability of current calibration is ensured.

This application provides a smoothing filtering method, apparatus, electronic device, and storage medium for a fuel gauge, relating to the field of battery power technology. The smoothing filtering method includes: determining whether the battery is in a charging or discharging state; determining whether the actual battery charge at a later time is greater than the actual charge at a previous time; and determining whether the change in the actual battery charge at a later time is greater than a first preset threshold; if the change in the actual battery charge at a later time is greater than the first preset threshold, determining an adjustment step size based on the change in the actual battery charge, and adjusting the displayed charge of the fuel gauge according to the adjustment step size; if the change in the actual battery charge at a later time is less than or equal to the first preset threshold, adjusting the displayed charge of the fuel gauge proportionally. The method provided in this application satisfies the theoretical relationship F_SOC = F_RC / F_FCC while simultaneously achieving a smooth data transition perceived by the user.

A lawn mower may include at least one of: (a) recessed channel(s) in a fuel tank configured for receiving hydraulic hose(s); (b) hydraulic reservoirs, for hydraulic fluid for corresponding transmissions, mounted on a plate and configured to be easily removable for fuel tank access; (c) a fuel tank including a protruding tower including a fuel gauge, where the fuel gauge is configured to be viewable through a hole in a dash panel of the mower and mounted substantially flush with the hole in the dash panel plate; (d) a pivotable and removable thigh pad for stand-on applications where the thigh pad is configured to be easily removable by hand without the need for any tool; (e) a pivotal footplate with angle portions for receiving respective feet of a mower operator; (f) a support under the footplate, where cross members of the support are angled upwardly in order to increase clearance at bottom sides of the mower inside rear drive wheels, such as for improved curb clearance during mower operations and / or to provide for more efficient use of space; (g) an improved interlock design for selectively locking mower pivotal hand controls upon pulling of a parking brake lever / handle; and / or (h) at least one dampening washer (e.g., felt washer) and bearing structure positioned and configured to reduce vibration and / or oscillation / movement of pivotal mower hand controls.

The application discloses a vehicle fuel instrument full-condition closed loop test method, device and system, and relates to the technical field of automobile electronic testing, and comprises the following steps: a multi-physical field hierarchical coupling simulation model is constructed; the multi-physical field hierarchical coupling simulation model comprises a fuel tank physics, a vehicle power supply, a CAN network and an instrument control strategy; simulation automation testing is performed, full-condition pre-verification is completed, and pre-calibration parameters are output; the pre-calibration parameters are imported into an actual vehicle, multi-dimensional actual vehicle calibration and full-condition actual vehicle testing are performed; actual vehicle test data is reversely imported into the simulation model, deviation comparison, traceability positioning and three-level iteration correction are performed, and a full-process closed loop of simulation, pre-calibration, actual vehicle calibration, actual vehicle testing and model correction is formed.

A method for determining a battery level, and a terminal device. The method comprises: during charging and discharging processes of a first battery currently connected to a terminal device, acquiring charging and discharging data, the charging and discharging data comprising charging data of the first battery during a charging process and / or discharging data thereof during a discharging process (S110); and when it is determined, on the basis of the charging and discharging data, that a data update condition is currently satisfied, determining a current full-charge capacity of the first battery on the basis of at least one of a first capacity, a second capacity and a third capacity, wherein the first capacity is a historical full-charge capacity stored in a flash memory of a fuel gauge of the terminal device, the second capacity is a preset full-charge capacity of the first battery, and the third capacity is equal to a total capacity charged during the charging process or a total capacity discharged during the discharging process (S120). The method can not only improve the accuracy and efficiency of battery level learning of fuel gauges, but also improve the applicability and flexibility of solutions, thereby providing better user experience.

A battery fuel gauge (100), an electronic device, and a method for determining the state of charge of a battery. The battery fuel gauge (100) is used for detecting the state of charge of a target battery (201) in a battery circuit (200), and comprises: a power supply unit (110) used for outputting power supply voltage; a bias voltage unit (120) connected to the power supply unit (110) and used for converting the power supply voltage into bias voltage; a differential sampling unit (130) connected to the bias voltage unit (120) and connected to a unit under test (202) in the battery circuit (200), wherein the differential sampling unit (130) is used for outputting voltage difference data on the basis of the voltage of the unit under test (202) and the bias voltage; and a control unit (140) connected to the differential sampling unit (130) and the bias voltage unit (120) and used for sampling the bias voltage outputted by the bias voltage unit (120) and the voltage difference data outputted by the differential sampling unit (130), and obtaining the state of charge of the target battery (201) on the basis of the difference between the voltage difference data and the bias voltage. The accuracy of the acquired state of charge of the target battery (201) can be improved.

A lawn mower may include at least one of: (a) recessed channel(s) in a fuel tank configured for receiving hydraulic hose(s); (b) hydraulic reservoirs, for hydraulic fluid for corresponding transmissions, mounted on a plate and configured to be easily removable for fuel tank access; (c) a fuel tank including a protruding tower including a fuel gauge, where the fuel gauge is configured to be viewable through a hole in a dash panel of the mower and mounted substantially flush with the hole in the dash panel plate; (d) a pivotable and removable thigh pad for stand-on applications where the thigh pad is configured to be easily removable by hand without the need for any tool; (e) a pivotal footplate with angle portions for receiving respective feet of a mower operator; (f) a support under the footplate, where cross members of the support are angled upwardly in order to increase clearance at bottom sides of the mower inside rear drive wheels, such as for improved curb clearance during mower operations and / or to provide for more efficient use of space; (g) an improved interlock design for selectively locking mower pivotal hand controls upon pulling of a parking brake lever / handle; and / or (h) at least one dampening washer (e.g., felt washer) and bearing structure positioned and configured to reduce vibration and / or oscillation / movement of pivotal mower hand controls.

At least one processor is configured to: identify whether the lowest temperature among temperatures measured by a plurality of thermistors is less than a threshold temperature; while identifying that the lowest temperature is less than the threshold temperature, detect whether a voltage level of at least one battery of a plurality of batteries is less than a first threshold voltage; on the basis of detecting that the voltage level is less than the first threshold voltage, disable a function of setting a state of charge (SoC) of the plurality of batteries to a power-off value; determine the SoC of the plurality of batteries by using capacities of the plurality of batteries measured by a plurality of fuel gauges; on the basis of detecting, for the plurality of batteries, a battery condition below a second threshold voltage, cause an electronic device to be turned off according to a user interface (UI) SoC reduced to the power-off value; and after the electronic device is turned on, display, through a display, a UI SoC having a value corresponding to the determined SoC of the plurality of batteries.

A system for calibrating medical system backup batteries includes a processing device and a memory storage device. The memory storage device includes instructions executable by the processor to receive a shutdown request to shut down a medical system having a backup battery. Additionally, the instructions are executable by the processor to determine, in response to receiving the shutdown request, that the backup battery is due for calibration based on a current date and a calibration due date. Further, the instructions are executable by the processor to provide a request for a fuel gauge board of a power management board for the medical system to perform a discharge of the backup battery.

A fuel gauging sensing device for a fuel tank for aircrafts includes an optical fiber harness along the internal surface of the tank, a master optical controller connected to a first terminal of the optical fiber harness, a slave optical controller connected to a second terminal of the optical fiber harness, wherein the optical fiber harness includes Fiber Bragg Grating (FBG) sensors spaced in the optical fiber harness between 1 mm and 25 mm to provide temperature gradients inside the tank and wherein the master and slave optical controllers are configured to obtain the fuel gauging of the tank based on the output from the FBG sensors.

A lawn mower may include at least one of: (a) recessed channel(s) in a fuel tank configured for receiving hydraulic hose(s); (b) hydraulic reservoirs, for hydraulic fluid for corresponding transmissions, mounted on a plate and configured to be easily removable for fuel tank access; (c) a fuel tank including a protruding tower including a fuel gauge, where the fuel gauge is configured to be viewable through a hole in a dash panel of the mower and mounted substantially flush with the hole in the dash panel plate; (d) a pivotable and removable thigh pad for stand-on applications where the thigh pad is configured to be easily removable by hand without the need for any tool; (e) a pivotal footplate with angle portions for receiving respective feet of a mower operator; (f) a support under the footplate, where cross members of the support are angled upwardly in order to increase clearance at bottom sides of the mower inside rear drive wheels, such as for improved curb clearance during mower operations and / or to provide for more efficient use of space; (g) an improved interlock design for selectively locking mower pivotal hand controls upon pulling of a parking brake lever / handle; and / or (h) at least one dampening washer (e.g., felt washer) and bearing structure positioned and configured to reduce vibration and / or oscillation / movement of pivotal mower hand controls.

The invention belongs to the technical field of automobiles, and particularly relates to a fuel gauge display method and system.The fuel gauge display method comprises the steps that when a vehicle is in a parking working condition, first fuel quantity information of the vehicle is obtained through an oil floating sensor, and the first fuel quantity information is sent to a calculation control unit; when the duration of the vehicle entering the parking working condition does not exceed the preset duration, the fuel gauge display screen keeps the displayed fuel quantity value unchanged, and after the duration of the vehicle entering the parking working condition exceeds the preset duration, the calculation control unit obtains fuel quantity change information according to the obtained first fuel quantity information; and according to the oil quantity change information, whether the oil quantity value displayed by the fuel gauge display screen needs to be updated in real time according to the obtained first oil quantity information is judged.

The application discloses a multi-factor influence fuel gauge calculation method, which comprises the following steps: acquiring vehicle speed, engine state and vehicle body inclination signal in real time to determine the multi-dimensional working condition state of the vehicle; simultaneously acquiring fuel tank sensor conversion fuel quantity and engine fuel injection quantity signal; dynamically selecting the corresponding preset fuel quantity calculation strategy based on the determined working condition state, and updating the displayed fuel quantity by fusing the above two kinds of fuel quantity signals. By introducing multi-dimensional state judgment, a refined working condition recognition model is constructed, and the switching of the calculation strategy and signal fusion are driven based on the model. This makes the fuel quantity calculation actively adapt to complex working conditions such as driving, static and slope, solves the problems of poor adaptability and large error of single fixed logic, and significantly improves the calculation accuracy and display reliability of the automobile fuel gauge under the whole working condition.