84results about How to "Solve the problem of not starting" patented technology

The invention relates to a trusted computer system based on a safe password chip and a trusted guiding method thereof. The system comprises a main platform and the safe password chip. The main platform comprises a main processor, an internal memory, an external memory, a bus and an external device. The main processor comprises a command cache unit, a data cache unit, an executing unit and a second-level cache unit. According to the trusted computer system and the trusted guiding method, when the system is started, the safe password chip runs before the main processor runs, pushes a CRTM to the command cache unit and awakes the main processor; the main processor performs execution from the CRTM, measures and loads a guide program, an operating system, an application program and the like through the safe password chip and builds a trusted chain; the safe password chip participates in the whole trusted guiding process and can not be bypassed; the CRTM is retained inside the safe password chip, other programs running on the main processor can not meet the CRTM and can also not analyze and distort the CRTM, the safer effect is achieved, and the system is more stable.

The invention provides a network camera system online update method. Five subareas are employed. The subareas comprise a Boot subarea, a kernel subarea, a Ramdisk Rootfs subarea, a Ubifs App subarea and a Ubifs Config subarea. Moreover, a whole update process is divided into three parts. A first part comprises signal interaction. A second part comprises mirror downloading and application replacement. The second part can be divided into kernel update, file system update and application update. A third part comprises device reboot and update edition confirmation. According to the method, the waste of hardware storage resources resulting from a network camera update mechanism is reduced; the hardware cost is reduced; the problem that a system cannot be booted due to accidental power failure in an online update process of a network camera device can be solved. The interaction in the network camera update process is increased. The update progress is accurately tracked.

The invention discloses a vehicle-mounted power supply device and a control circuit of the vehicle-mounted power supply. The control circuit of the vehicle-mounted power supply comprises an awakening module and a self-locking module, wherein a control signal output end of the awakening module is connected to an enabling pin of a power supply chip, the awakening module outputs an awakening enabling signal to the power supply chip at the moment of power on, so that the power supply chip can supply power to a MCU; and the self-locking module is connected with the awakening module, the self-locking module is used for controlling the awakening module to lock the awakening enabling signal when the awakening module outputs the awakening enabling signal, so that the power supply chip can continuously supply power to the MCU, so that the MCU can be started. According to the control circuit of the vehicle-mounted power supply, a self-locking circuit is additionally arranged on the basis of a traditional awakening circuit, so that a large capacitance value capacitor does not need to be arranged in the awakening circuit, the cost is greatly reduced, and the problem that the MCU cannot be started when the vehicle-mounted power supply is quickly powered on and off is solved.

The invention relates to a digital anti-reversal circuit for an escalator, and the digital anti-reversal circuit provided by the invention is used for solving the problems that the detection principle adopted by the escalator anti-reversal circuit in the prior art is related with the motor speed, and the control logic is not complete, so that the escalator cannot be started, an auxiliary circuit is required for supplement, the circuit is more complicated, and the cost is increased. The digital anti-reversal circuit comprises a signal generation module, a signal processing module, a counting module and an execution module which are connected in sequence, wherein the execution module is connected with an escalator safety chain circuit. In the anti-reversal circuit, whether the escalator motor is in a speed-reducing state or not is detected, if the motor is in a speed-reducing state, the escalator has a reversing trend, and the safety chain is disconnected to stop the escalator. The digital anti-reversal circuit for the escalator has the advantages that a digital circuit is adopted, so that the circuit structure is simpler, used elements are fewer, and the production cost is reduced;the detection principle of the anti-reversal circuit is not related with the motor speed, so the problem that the escalator cannot be started is solved, and the auxiliary circuit is omitted; the digital anti-reversal circuit does not require to be tuned one by one, so the reliability is better.

The invention provides an automatic charging control method of a battery of a fuel vehicle. The automatic charging control method comprises the following steps: after the fuel vehicle is parked, a SOC of the battery is detected; when the SOC is smaller than a first threshold, a gear state and a parking brake state of the fuel vehicle are detected; and when the gear state is in a neutral mode and the parking brake state is in a braking mode, an engine of the fuel vehicle is controlled to start, and is driven to generate electricity so as to charge the battery. The method can automatically charge the battery when the fuel vehicle is parked, so that the problem that the engine of the vehicle cannot be started due to insufficient electric quantity of the battery is solved, and the convenience is brought to the people's life. And in addition, the invention further provides an automatic charging system of the battery of the fuel vehicle, and a fuel vehicle having the automatic charging system.

The invention specifically relates to a method for realizing low temperature starting of equipment in a circuit board. The method for realizing low temperature starting of equipment in a circuit board comprises adding a heating circuit near a chip having high requirement for temperature on the circuit board, wherein when the temperature of the circuit board is lower than a specific value and cannot satisfy the starting condition, the heating circuit starts working so that the temperature of the corresponding position of the circuit board starts to rise; when the temperature is greater than the specific value, the heating circuit stops working; when the temperature is lower than the rated value again, the heating circuit starts working again; and then the above process repeats. The method for realizing low temperature starting of equipment in a circuit board is simple in design and is convenient to use, and solves the problem that electronic equipment is difficult to start and is unable to start under lower temperature so that the equipment can start normally under the lower temperature environment and the reliability of electronic products can be improved under the lower temperature environment.

The invention relates to a BMS battery management system suitable for an energy storage cabinet, and a management method thereof. The system comprises a high-voltage control box, wherein one side of the high-voltage control box is provided with a positive electrode interface and a negative electrode interface which are connected with a battery assembly, the other side of the high-voltage control box is provided with a charging and discharging positive interface and a charging and discharging negative interface which are connected with an energy storage converter, a main relay assembly is arranged in the high-voltage control box and connected with the positive electrode interface, the high-voltage control box is provided with an aviation plug assembly, the aviation plug assembly is connected with a battery management assembly, the aviation plug assembly is further connected with a current sensor, and a direct-current power supply module is further arranged in the high-voltage control box. According to the invention, when the highest-level alarm of undervoltage of a discharge single body is reached, a main positive relay is switched off, and then a self-locking relay is switched offafter 30 seconds of delay; and when the system is powered on, comparison and judgment are carried out and corresponding operation is executed, so that the problem that the energy storage system is halted and cannot be started due to the power consumption of the system in a standby state is solved.

The invention provides a protection design method of a bootstrap program. The method comprises the following steps of: storing a boot program in a Bootloader partition of a logic partition of a storage device, storing boot programs which are the same as the boot programs in the Bootloader partition in an inherent partition Boot0 and an inherent partition Boot1 of the storage device; and setting abackup starting sequence of the boot programs in partitions: firstly, the Bootloader, then the Boot0, and finally, the Boot1. The problem that the boot program is empty or the boot program in the Bootloader partition is damaged to cause that the system cannot be started due to a power failure phenomenon in the upgrading process of the intelligent terminal equipment can be effectively prevented.

The invention disclose a heat utilizing system surpassing an air energy all-in-one machine. The heat utilizing system comprise a machine body, an evaporator, a compressor, a water tank, a pipeline and a liquid storage tank. The evaporator is disposed on the upper side of the machine body. The compressor is connected with the evaporator through the pipeline. The water tank is located on the lower side of the compressor. The liquid storage tank is disposed on side of the compressor. The heat utilizing system has the advantages that a blowing-up solar heat accumulating plate is added, coolant passes the heat accumulating plate, evaporating area is increased greatly, system energy efficiency ratio is increased, an original fin type evaporator is replaced the combination of the fin type evaporator and the blowing-up evaporator, two-stage evaporation is achieved, energy efficiency is increased greatly, compressor utilization rate is increased by increasing evaporation area, and the problem that an air source heat pump cannot be started at low temperature below 0 DEG C.

The invention relates to the technical field of overload starting of a conveyor for a working face of an underground coal mine, in particular to a clutch type high-power efficient mechanical torque converter. Due to caving or top failure of the working face of the underground coal mine with poor conditions, the conveyor for the working face frequently has the problem of delay unloading or incapability of starting, coal can only be manually cleaned, and production efficiency is seriously affected. The clutch type high-power efficient mechanical torque converter comprises a permanent magnet coupling transmission system, a planetary transmission system and a hydraulic control friction clutch system, wherein the permanent magnet coupling transmission system is used for transmitting normal torque and disconnecting overload torque, and the hydraulic control friction clutch system is used for inputting the output torque of an amplification driving system of the planetary transmission system, limiting the maximum output torque of the driving system and slowing down load fluctuation. The clutch type high-power efficient mechanical torque converter solves the problem of delay unloading or incapability of starting of the conveyor for the working face in overload.

The invention discloses a hot water circulation device without return difference temperature setting. The hot water circulation device comprises a circulation pipeline, a circulation water pump, a temperature sensor and a controller, wherein the circulation water pump and the temperature sensor are mounted on the circulation pipeline, and the controller is connected with the circulation water pump and the temperature sensor. The hot water circulation device is characterized in that the hot water circulation device further comprises an environment temperature sensor; the environment temperature sensor is connected with the controller; and the controller determines the interval of two times of starting of the circulation water pump through signals fed back by the environment temperature sensor without setting the return difference temperature in the traditional technology, and the problem that the water temperature in pipelines is low and water pumps cannot be started due to the slow temperature dropping rate of temperature sensors in devices is solved. Meanwhile, due to the fact that return difference temperature setting is omitted, the study cost of users is lowered, and the users do not need to frequently adjust the return difference temperature according to the temperature change.

The invention discloses a solar trickle energy supplementing device and method for preventing power shortage of an automobile storage battery. The device comprises the storage battery, a storage battery state monitoring circuit, a pre-comparison circuit, a solar cell panel, a solar charging control circuit and an anti-reverse charging circuit. The current current, voltage and temperature of the storage battery are determined through the storage battery state monitoring circuit; the current SOC value is compared with an SOC threshold value for preventing power shortage of the battery through the pre-comparison circuit, and when the current SOC value is lower than the SOC threshold value, the solar charging control circuit is started; after the solar charging control circuit is started, thesolar charging state is controlled by detecting whether the current voltage exceeds the upper charging cut-off voltage or not, if yes, charging is stopped, and if not, charging is continued; and the storage battery is prevented from reversely electrifying the solar cell panel through the anti-reverse charging circuit. The invention provides a method for monitoring, calculating and keeping the current SOC value of the storage battery to be greater than the SOC threshold value for preventing power shortage of the storage battery in a trickle energy supplementing manner, so that the power shortage of the storage battery is prevented, and the service life of the storage battery is prolonged.

The embodiment of the invention provides an operating system starting method and device, electronic equipment and a storage medium. After Xen Hypervisor initialization is completed, a privileged domain Dom0 is started; the first virtual machine DomU and the second virtual machine DomU are started through the privilege domain Dom0, a first display card of the electronic equipment is directly connected to the first virtual machine DomU, and a second display card of the electronic equipment is directly connected to the second virtual machine DomU; the operating systems are started in the at least two LXC software containers corresponding to the target virtual machine, the target virtual machine comprises a first virtual machine DomU and/or a second virtual machine DomU, and the operating systems corresponding to the at least two LXC software containers share a display card corresponding to the target virtual machine. According to the method, two virtualization technologies are combined, and the at least two operating systems are started in the at least one virtual machine, so that all the operating systems can be started when the number of the graphics cards is smaller than the number of the started operating systems.

The invention discloses a variable voltage rectifier of a diesel engine. The variable voltage rectifier comprises a switching power supply circuit, a bypass power supply circuit and a bypass control circuit, wherein the switching power supply switch is used for outputting voltage output by a charge coil after variable voltage rectifying; the bypass power supply circuit is used for outputting the voltage output by the charge coil after rectifying smoothing; and the bypass control circuit is used for detecting the output voltage of the bypass power supply circuit and comparing the detected output voltage with a set value, so that the bypass power supply circuit is disconnected. The variable voltage rectifier is large in input voltage range and small in output voltage ripple, and when the input voltage is lower than a set output voltage, the voltage lower than the set value can be directly output, so that the problem that the diesel engine cannot be started under the condition of without a storage battery when being started or the diesel engine cannot be automatically protected after being started is effectively solved, the charging quality of the storage battery is improved, and the service life of the storage battery is prolonged.

The invention provides a vehicle battery electric quantity monitoring and reminding device, including a vehicle batteries, a coulometer connected in series with the vehicle battery, an MCU module connected in parallel with the vehicle battery and a signal transceiver module connected in signal with the MCU module. The MCU module stores the initial power S0 of the vehicle battery, and the working time tn of the vehicle battery is recorded. The coulometer is used for acquiring and delivering circuit current In flowing through the coulometer. The MCU module is capable of obtaining remaining working time Tn and residual electric quantity Sn according to the obtained circuit current In, the initial electric quantity of the vehicle battery S0 and the working time tn. The signal transceiver module is configured to transmit electric quantity information of the vehicle battery to a mobile terminal periodically or when the remaining electric quantity Sn of the vehicle battery is less than or equal to the minimum remaining electric quantity Smin or when the remaining working time Tn of the vehicle battery is less than or equal to the minimum remaining working time Tmin of the vehicle- battery. The invention also provides a vehicle battery electric quantity monitoring and reminding method.

The invention relates to a double-starting forest fire pump. The double-starting forest fire pump comprises a gasoline engine drive system and a starting system. The starting system comprises a hand-pulling starting device and an electrical starting device. The electrical starting device comprises a starting motor, a starting motor power supplying unit and a first gear. The first gear is located between a flywheel plate component and a gasoline engine. The first gear is coaxially arranged with a gasoline engine spindle and fixedly connected with the flywheel plate component. The starting motor comprises a motor shaft. The motor shaft is a gear shaft. A gear of the gear shaft is smaller than the first gear and the two gears are engaged to drive. The double-starting forest fire pump can be started in two modes of hand-pulling starting and electrical starting, and the problem that the fire pump cannot be started in the situation that a battery runs down is solved. The labor intensity of operators is greatly relieved through the electrical starting mode, and the operation is convenient, rapid and easy; full-charged electric capacity can provide the starting electric energy for many times.

The invention discloses a pneumatic monorail crane. A traction machine head comprises a machine head frame and an air inlet pipeline mounted in the machine head frame; one end of the air inlet pipeline is connected with an air source, and a pipeline filter, a one-way valve and an air path interlocking protection device are sequentially mounted at the other end of the air inlet pipeline; the air path interlocking protection device outputs the air source to a master control unit, a pressure loss and pressurizing balance device and a low-pressure starting device, and the master control unit is in control connection with two pneumatic motors, the pressure loss and pressurizing balance device, the low-pressure starting device, and a control handle, wherein the two pneumatic motors, the pressure loss and pressurizing balance device and the low-pressure starting device are mounted in the machine head frame, and the control handle is located outside the machine head frame and connected through a pipeline; and the pressure loss and pressurizing balance device is connected with a brake cylinder of a brake mechanism, and the pressure loss and pressurizing balance device and the low-pressure starting device each comprise a pneumatic balance assembly. Any fluctuation of the air source pressure ranging from 0.25 MP to 0.8 MP is met, and the pneumatic monorail crane completely meets the underground complex working condition; and the pneumatic monorail crane has functions of low-pressure starting, wide-pressure work, pressure loss protection, strong climbing energy and the like and is safe, reliable and long in service life.

The invention discloses a white laser light source which comprises a laser emitting unit, a laser scattering unit, a white light combining unit and a white light emitting unit, wherein the white light combining unit comprises a dichroscope, a blue light excitation module and a yellow light excitation module, and the laser scattering unit and the yellow light excitation module are located on the same side of the dichroscope. The white light emitting unit and the blue light excitation module are positioned on the same other side of the dichroscope; the blue light excitation module comprises a blue light lens and a blue light ceramic chip which are sequentially arranged in the laser beam propagation direction, and the yellow light excitation module comprises a yellow light lens and a fluorescent wheel which are sequentially arranged in the laser beam propagation direction. The mode that the yellow light lens and the fluorescent wheel are arranged in the yellow light excitation module is adopted, namely, the fluorescent wheel is adopted as a yellow light excitation component, the saturation phenomenon of a fluorescent piece is solved, the technical purpose of a high-power light source is achieved, meanwhile, the focusing effect of the yellow light lens is combined with the fluorescent wheel, and the optical density is improved.

The invention provides a control method and a control system for remote one-key power supply of a vehicle. The control method comprises the steps that a TBOX periodically wakes up and monitors the state of the vehicle, and uploads the state of the vehicle to a server, the server receives the voltage state of a low-voltage storage battery, and carries out the operation through a power shortage reminding logic rule; when it is detected that the voltage of the low-voltage storage battery is in the vehicle power shortage state, a prompt and a request are sent to a user terminal through the server; the user terminal feeds back a request instruction, and the server forwards the request instruction to the TBOX; after receiving the request instruction, the TBOX performs authentication with the PEPS; after the authentication is passed, the PEPS carries out authentication with the HCU, and after the authentication is passed, the HCU controls the whole vehicle to be electrified with high voltage; and the whole vehicle is charged after high-voltage electricity is supplied. According to the technical scheme, light power shortage reminding and heavy power shortage reminding are distinguished, a user can better know the state of the whole vehicle, and one-key power supply can be achieved.

The invention discloses a driving circuit of a laser module of a level meter. In the circuit, a thermistor monitors the ambient temperature. A single chip microcomputer drives an MOS switch to be turned on at a fixed frequency of 100kHZ and a duty cycle of 50%, and thus, a laser tube is turned on. Then, the single chip microcomputer detects the PT signal on a feedback resistor. If the signal is athigh level, it is judged that the light emission is normal. If the laser tube is broken or cannot start due to low temperature, the single chip microcomputer drives the MOS switch to be turned on ata fixed frequency of 100kHZ and a duty cycle of 100% and keeps the MOS switch turned on for 1S to increase the driving energy of the laser tube. At the time, the feedback resistor is switched to highlevel, and driving succeeds. The duty ratio is restored to 50% after 1S. If the feedback resistor is still at low level within 1S, the laser tube is considered to be broken. At high temperature, the frequency is kept at 100kHZ and the duty ratio is kept at 50% to control the energy of the laser tube and solve the problem of damage caused by high temperature. The problem that the photosensitive secondary tube and the laser tube in the traditional circuit work irregularly and the laser tube can easily burn out at high temperature and cannot start at low temperature is solved.

The invention relates to an exhaust device for an engine of a tank armored vehicle during the submersion process. It solves the problem that the engine cannot start when the exhaust back pressure is insufficient and the water depth is 5 meters, so as to quickly realize the diving task. It is composed of air intake cylinder, pull handle steel wire rope assembly, shaft, right curved plate, left curved plate and bolts. The air intake cylinder is in the shape of a curved pipe. There is a claw at the lower end of the right curved plate and left curved plate. One end of the air intake tube connected to the mouth, the upper end is connected with a shaft, and the handle wire rope assembly is connected with the shaft with a bolt, and the head of the bolt is elongated and diamond-shaped. One end of the air intake cylinder connected with the exhaust port can also be equipped with an exhaust check valve. The invention realizes the quick and automatic release of the submerged exhaust device, so that the armored vehicle can be put into land battle quickly after getting out of the water. In particular, the exhaust device with an exhaust one-way valve structure can ensure the underwater passage performance of the vehicle in the event of an accident in the exhaust cylinder, effectively improving the safety of the vehicle's submerged diving.