11results about How to "Avoid failure to start" patented technology

The invention discloses a method and device for automatically supplementing the electric quantity of a storage battery and a medium, and the method comprises the steps: carrying out the electric quantity monitoring of the storage battery, so as to determine whether the electric quantity of the storage battery continuously drops to an electric quantity threshold value or not; if yes, the running state of a vehicle engine is monitored to determine whether the running state of the engine affects the power of the whole vehicle or not; under the condition that the running state of the engine does not affect the power of the whole vehicle, the electricity supplementing generator is controlled to be started at the highest gear for automatic electricity supplementing; and under the condition that the running state of the engine affects the power of the whole vehicle, low-electric-quantity early warning is conducted, the electricity supplementing generator is controlled to be started at a low gear, and automatic electricity supplementing of the vehicle is achieved. The problem of insufficient electricity of the engine is solved, the risk of feed damage of the storage battery is reduced, the electricity utilization safety of the vehicle is guaranteed, unnecessary electricity supplementing operation is avoided, energy consumption and the burden of the engine are reduced, the durability and fuel economy of the engine are improved, and the running cost of the vehicle is reduced.

The application discloses a pre-charging system and a control method thereof, which comprises a single-chip microcomputer, which is used for collecting the voltage of a pre-charging circuit and performing calculation, filtering and duty cycle adjustment of a PWM pulse control signal; the pre-charging circuit comprises a triode Q1, the base of the triode Q1 is connected with the single-chip microcomputer and receives the PWM pulse control signal; one end of a capacitor C1 connected with the collector of the triode Q1, the other end of the capacitor C1 is connected with an NMOS tube Q2 control loop, the PWM pulse control signal is coupled to the NMOS tube Q2 control loop through the capacitor C1, and the on-off of the NMOS tube Q2 in the NMOS tube Q2 control loop is controlled; the drain of the NMOS tube Q2 is connected with the positive pole of a battery group through a pre-charging resistor R10, and the source level is connected with a pre-charging capacitor group, and the time for charging the pre-charging capacitor group is controlled through the on-off of the NMOS tube Q2.

The invention provides a battery state prompting method and device of a vehicle, the vehicle and a storage medium, the method is applied to the field of vehicles, and the method comprises the steps that under the condition that the vehicle is in a target mode, battery state parameters of the vehicle are obtained, and the target mode is a mode of prohibiting vehicle driving; the battery state parameters comprise battery state parameters of a storage battery and battery state parameters of a power battery; determining whether the battery capacity of the storage battery and / or the battery capacity of the power battery is low or not based on the battery state parameters of the vehicle; and triggering alarm information for the battery capacity of the storage battery and / or the battery capacity of the power battery in a mode corresponding to the target mode under the condition that the battery capacity of the storage battery and / or the battery capacity of the power battery is low. According to the method, the battery capacity of the vehicle can be monitored in real time under the condition that the vehicle is in the factory mode or the vehicle exhibition mode, so that the situation that the vehicle cannot be normally used due to too low battery capacity of the vehicle is avoided.

The present invention discloses a method for predicting the parking time of a car with a battery sensor, and the main steps are: 1. Extracting a data set of corresponding quantity and dimension from a car networking big data platform, and performing data preprocessing and feature engineering; 2. According to the battery-related data and constructed feature variables as training sets and test sets, respectively selecting appropriate machine learning algorithms for model training, and selecting the model with the best model evaluation index to output the prediction result of the parking time; 3. Complete the data set establishment and model training of the user's next car use time prediction model, and judge the risk level of power shortage. The method of the present invention can more accurately predict the timing of starting the vehicle to charge the battery, and provide more accurate guidance to the car owner, so that the car owner can avoid the problem of being unable to start the engine and inconvenience in use due to battery reasons, thereby improving the user experience.

The invention provides a negative electrode control circuit and method for a commercial vehicle loading system, the negative electrode control circuit is provided with a battery positive electrode interface, a battery negative electrode interface and an output interface, the battery positive electrode interface is connected with the positive electrode of a storage battery, the battery negative electrode interface is connected with the negative electrode of the storage battery, and the output interface is connected with the negative electrode of electric equipment; the negative electrode control circuit comprises a field effect transistor which is provided with a grid electrode, a drain electrode and a source electrode, the grid electrode is connected with the battery positive electrode interface, the drain electrode is connected with the output interface, and the source electrode is connected with the battery negative electrode interface; and the controller detects the voltage of the storage battery in real time, controls the switch-on and switch-off of the field effect transistor according to the voltage of the storage battery, and further controls the connection state of the output interface and the battery cathode interface. The technical problems that a lead-acid storage battery manager can only achieve the voltage and electric quantity detection function, a load switch cannot be directly controlled, and overdischarge cannot be fundamentally solved are solved.

The invention discloses an assembly type intelligent protection escape device of a residential building window, and relates to the technical field of buildings, the assembly type intelligent protection escape device comprises a window frame, a smoke sensor, a data conversion module, a central processing unit, a power source, a second escape device support and a window handle switch, and an escape device switch is arranged on one side of the rear portion of the window frame; a first linkage control switch is arranged on one side, close to the escape device switch, of the rear portion of the window frame. According to the device, the roller shutter composed of the transmission belt and the protective net protects the window, residents are prevented from accidentally slipping and falling off, life safety of the residents is protected, safety is improved, the device can generate electricity through sunlight to charge the storage battery when not in use, environment friendliness is improved, meanwhile, the situation that the device cannot be started during power failure is avoided, and applicability is improved; when a fire disaster occurs, automatic alarm can be given in time, rescue workers are informed in the first time, meanwhile, residents are warned to escape in time, and loss of life and property is reduced.

The present invention relates to a smart card multi-operating system upgrade switching method and system, belonging to the field of mobile communication technology. The method comprises: after the chip is started according to the chip startup program data, each operating system startup program data is traversed, and the target operating system that needs to be enabled is determined by an automatic recognition algorithm; the chip relocates the chip interrupt vector table and the interrupt service program interface address through the code, so that the chip runs the code startup program data of the enabled target operating system, and then calls the entry function of the target operating system code to realize the smart card multi-operating system upgrade switching. The present invention can realize that all codes in each operating system can be upgraded and updated, ensure that the data in the default startup program data area of ​​the chip is not erased, avoid the problem that the chip cannot be started due to power failure, and at the same time, the switching performance is fast, no power failure backup protection mechanism is required, and the communication protocol timeout is avoided due to the chip startup being too slow.

The utility model discloses an internal combustion engine power station starting battery pack parallel connection pre-charging circuit which comprises a pre-charging control module, the positive electrode input end of the pre-charging control module is connected with a first wiring terminal through a starting switch, the negative electrode input end of the pre-charging control module is connected with a second wiring terminal, and the first wiring terminal is further connected with the first voltage detection end of the pre-charging control module. The third wiring terminal is connected with a second voltage detection end of the pre-charging control module, the first wiring terminal and the third wiring terminal are connected through a first switch and a current-limiting resistor which are connected in series, a controlled end of the first switch is connected with a starting switch, and the first wiring terminal and the third wiring terminal are further connected through a second switch. The controlled end of the second switch is connected with the control end of the pre-charging control module. Voltage between the starting battery pack and the parallel battery pack which are externally connected is compared in real time through the pre-charging control module, parallel connection of the parallel battery pack and the starting battery pack is controlled, and safety and reliability of emergency power supply of the internal combustion engine power station are improved.

The utility model discloses a carburetor convenient to operate, which comprises a carburetor body, and a choke valve is arranged on the carburetor body. The first driving assembly is used for controlling the opening degree of the choke valve, the linkage structure is used for controlling the accelerator switch and the flameout switch in a linkage mode, the second driving assembly is used for controlling the linkage structure, and the first driving assembly and the second driving assembly rotate coaxially. According to the utility model, the structure is compact, the operation amplitude can be reduced, the accelerator switch and the flameout switch are integrally controlled, the operation action can be reduced, the operation is convenient, and the practicability is very good.

The application provides an engine self-starting method and device, electronic equipment and vehicle. The method comprises the following steps: obtaining an engine water temperature and a vehicle ambient temperature; in response to determining that the engine water temperature is greater than a preset starting water temperature, determining a self-starting time based on the engine water temperature and the vehicle ambient temperature; returning to the operation of obtaining the engine water temperature and the vehicle ambient temperature at the self-starting time; and controlling the engine to start when the engine water temperature is less than or equal to the preset starting water temperature. The application avoids the problem that the engine cannot start due to the low engine water temperature, and avoids the problem of large power consumption caused by frequent engine starting, thereby improving the applicability and economy of the engine in a low-temperature environment.

The utility model discloses an atomizer of a novel assembly structure. The atomizer comprises a cigarette rod, a PCBA circuit board, a USB connector, a first main air channel, a first auxiliary air channel, a battery cell, a ceramic heating core, non-woven fabric, a 316L connecting column, a plastic oil cup, sealing silica gel, a cigarette holder, a clamping block, a clamping groove, a second main air channel and a second auxiliary air channel. A PCBA circuit board is arranged in the cigarette rod, a microphone body is arranged on the outer wall of one side of the PCBA circuit board, the microphone body is sleeved with microphone silica gel, and a first main air channel and a first auxiliary air channel are formed in the outer wall of one side of the microphone silica gel; by means of the double-air-channel structural design, under the condition that the main air channel is blocked, a product can be started through the auxiliary air channel, the problem that the product cannot be started due to the fact that the main air channel is blocked is solved, the use experience of a user is improved, the structure is simple, modular design is adopted, assembly is convenient and fast, the assembly production efficiency is improved, and the production cost is reduced. And the production cost is reduced.