45results about How to "Guaranteed normal startup" patented technology

The invention provides an intelligent charging method for a new energy automobile and the automobile, and belongs to the field of whole automobile system control of the new energy automobile. When a storage battery sensor judges that the electric quantity of a storage battery is lower than a first threshold value, namely the storage battery is lack of electricity, a vehicle body domain controller and a whole automobile network are awakened, and when the automobile meets the intelligent charging condition, the intelligent charging is started; when the storage battery is charged, the high-voltage relay of the power battery is closed, and the DC-DC converter is used for converting high voltage output by the power battery into 12V low voltage and charging the storage battery, so that the power battery is used for charging the storage battery in time when the storage battery is lack of electricity, and normal unlocking and starting of the vehicle are guaranteed.

The invention discloses a flying capacitor three-level BOOST conversion device, a control method and a storage medium, the device comprises a first diode D1, a second diode D2, a first switch tube T1, a second switch tube T2, a third diode D11, a fourth diode D12 and a flying capacitor voltage sampling resistor Rf, the first diode D1 and the second diode D2 are connected with the positive electrode of a flying capacitor Cf, and the second diode D2 is connected with the negative electrode of the flying capacitor Cf; the first switch tube T1 and the second switch tube T2 are connected with the negative electrode of the flying capacitor Cf; and one end of the charging relay K1 is connected with the third diode D11, and the other end of the charging relay K1 is connected with the midpoint of the direct-current bus. The control method is implemented based on the system. The storage medium is used for storing a computer program for executing the method. The device has the advantages of simple structure, low cost, wide application range, high safety and the like.

The invention discloses a vehicle storage battery charging method and device and a storage medium, and belongs to the technical field of vehicle control. The method comprises the steps of obtaining initial voltage of a storage battery of a vehicle; in response to the situation that the initial voltage is smaller than a first voltage threshold value, the temperature of the storage battery and the SOC of the power battery are obtained, and the SOC of the power battery is used for indicating the percentage of the remaining electric quantity of the power battery in the total electric quantity; heating the storage battery in response to the temperature of the storage battery being less than a first temperature threshold; when the temperature of the storage battery is larger than or equal to a first temperature threshold value and the SOC of the power battery is larger than a first percentage, the current voltage of the storage battery is obtained; and in response to the fact that the current voltage of the storage battery is smaller than a second voltage threshold, the power battery is controlled to charge the storage battery, and the first voltage threshold is larger than the second voltage threshold. Therefore, the intelligence of the charging operation of the storage battery is improved, the power shortage of the storage battery is avoided, the health of the storage battery is ensured, and the normal starting and driving of the vehicle are ensured.

The present application relates to a kind of rotary compressor, gas compression system, refrigeration system and heat pump system, rotary compressor includes cylinder, piston, crankshaft, swing block and sliding vane, the compression chamber and swing groove are arranged inside cylinder, piston is arranged in the compression chamber, swing block is rotationally arranged in swing groove, sliding slot is arranged on swing block, sliding vane is slidably arranged in sliding slot, and one end of sliding vane and the side wall of piston abut, the other end between the inner side wall of the cylinder is provided with the driving assembly for driving the one end of the sliding vane and the side wall of the piston abut, crankshaft is linked with piston, and drives piston to eccentric rotation in the compression chamber, swing block is synchronously swung back and forth in swing groove. By the sliding vane and the rocker block of prior art are designed as a whole, the swing amplitude of sliding vane and swing block can be greatly reduced, the friction power consumption is effectively reduced, and the cold leakage between sliding vane and piston can be reduced, the lubrication state between swing block and cylinder is improved, and the friction loss between sliding vane and cylinder is reduced.

The invention relates to a flood-proof drainage system driven by a mining explosion-proof motor and a leakproofness detection method thereof. When running in a dry environment, the main drainage pump runs in a dry mode, and the functions of the main drainage pump are the same as those of a mine main drainage system; when the mining anti-explosion dry-type motor is submerged, the waterproof sleeve is subjected to first-layer sealing, the oil chamber is subjected to second-layer sealing, an outer-static and inner-dynamic multi-sealing structure is formed, and reliable operation of a unit in a diving state is guaranteed. Besides, both the interior of the waterproof sleeve and the interior of the oil chamber have a pressure monitoring function and a pressure adjusting function, the internal pressure of the waterproof sleeve and the internal pressure of the oil chamber are monitored in real time, liquid supplementing or air supplementing pressurization is carried out, dynamic air supplementing and air-liquid pressure self-balance of a motor cavity are achieved, the pressure difference between the two sides of a static seal or a dynamic seal is eliminated, the sealing service life is prolonged, and the sealing performance is improved. Reliable operation of the motor in a deep diving state is ensured, and normal starting of the unit during disaster relief, drainage and mine recovery is ensured. The leakproofness detection method of the flood-proof drainage system is simple and safe to operate.

The present invention belongs to the technical field of thermal management of wind-solar-hydrogen storage energy microgrids, and proposes a heat recovery, utilization and management system and method for a wind-solar-hydrogen heat storage energy microgrid. The four-pipe air-cooled heat pump, the hot water storage tank, the cold water storage tank, the heat exchanger, the PV / T heat extraction section, the electrochemical cell section, the electrolysis hydrogen production system section and the hydrogen fuel cell group section, etc., are connected by pipelines to form a first loop, a second loop, a third loop, a fourth loop and a fifth loop, and the structure is simple. The constructed first loop, second loop, third loop, fourth loop and fifth loop can meet the cooling and heating needs of the PV / T heat extraction section, the electrochemical cell section, the electrolysis hydrogen production system section and the hydrogen fuel cell group section in multiple operating modes at the same time, ensuring the normal startup of the electrochemical cell section, the electrolysis hydrogen production system section and the hydrogen fuel cell group section under the low temperature environment of the plateau climate, and ensuring the supply effect of thermal energy to the external heating pipeline network.

The invention discloses a submerged piston cooperative drive engine and a power generation and control method. The submerged piston cooperative drive engine comprises an engine supporting mechanism system, a piston cylinder, a gravity box, a submerged piston, a piston motion controller, a piston constant angle control switch, a starting and braking system and the like. After liquid is injected into the piston barrel and the gravity box, the submerging piston does circulating reciprocating motion along the piston barrel under the synergistic effect of liquid buoyancy and self gravity, so that the submerging piston and liquid on the left side and the right side of the center shaft of the engine continuously generate torque difference and gravitational torque difference, and the engine is driven to rotate; and high-quality power is continuously provided for a generator, traffic transportation equipment and industrial equipment. The whole power generation and use process does not need to consume any fossil energy and nuclear materials such as coal, petroleum and natural gas, and does not need unstable natural forces such as wind power, river water, sea waves, tides, terrestrial heat and solar energy. The invention creates a brand-new power system and a creative power generation mode.

The invention discloses an environment-friendly multifunctional oil composition for agricultural machinery and a preparation method of the environment-friendly multifunctional oil composition, and belongs to the field of oil for agricultural machinery. The lubricating oil is prepared from the following components in parts by mass: 3 to 5 parts of an extreme pressure anti-wear agent, 2 to 4 parts of an antioxidant, 0.1 to 2 parts of a preservative, 1 to 2 parts of a clearing agent, 0.1 to 3 parts of a dispersing agent, 0.1 to 2 parts of an anti-rust agent, 1 to 2 parts of a viscosity index improver, 0.1 to 0.5 part of an anti-foaming agent, 0.3 to 0.5 part of a pour point depressant and 79 to 92.3 parts of base oil, wherein the base oil is formed by combining rapeseed oil and synthetic ester base oil PALMESTER 2083; the preparation method comprises the following steps: sequentially adding the base oil, the anti-wear reagent at extreme pressure, the antioxidant, the preservative, the clearing agent, the dispersing agent, the viscosity index improver and the anti-foaming agent at the temperature of 50-70 DEG C according to the proportion, and mixing until the materials are completely dissolved to form a transparent precipitate-free solution. According to the multifunctional oil composition for the agricultural machinery, the influence on the environment is reduced, the wear resistance and the extreme pressure property are improved, and the service life is prolonged.

The utility model provides a kind of heating type commercial vehicle urea pressure sensor, including shell, outer cover, detection core, internal support and circuit board, the detection diaphragm of detection core bottom is sealed communication with urea delivery pipe bottom of shell, and urea delivery pipe is provided with electric heating coil along its length direction;Circuit board is set in the detection core top by internal support, and with detection core and circuit board electric connection.The utility model passes through integrated electric heating coil and outside internal temperature control switch, environmental temperature control switch, effectively solve the crystallization problem of commercial vehicle urea pressure sensor under low temperature environment;And its structure design is compact and reliable, easy to produce and maintain, applicable to various commercial vehicle type, with higher market application value.

The invention provides a crawler-type low-temperature coal bed gas drilling machine which comprises a crawler chassis assembly, a mast assembly arranged on the surface of the crawler chassis assembly, a power head assembly arranged on one side of the mast assembly, an inner mast arranged at one end of the mast assembly, a pulley yoke assembly arranged at one end of the inner mast, and a bracket assembly installed on one side of the bottom of the mast assembly. A clamping shackle device is installed on one side of the surface of the power head assembly, a tool crane is arranged on one side of the inner mast, a coring crane, a tool winch and a coring winch are installed on the surface of the mast assembly, an engine shield assembly is arranged on the surface of the crawler chassis assembly, and a cab assembly is installed on one side of the crawler chassis assembly. According to the crawler-type low-temperature coal bed gas drilling machine, the drilling machine meets drilling modes of various construction technologies, the main machine adopts a wheel type walking mode, and the crawler-type low-temperature coal bed gas drilling machine has the advantages of being good in maneuverability, high in operation efficiency, good in drilling quality, low in pollution and the like.

The invention provides a CPLD (Complex Programmable Logic Device)-based CPU (Central Processing Unit) resetting method, device and system and a storage medium, which solve the problems of DDR (Double Data Rate) data loss, long CPU resetting waiting time, incapability of responding to interruption in some states of a CPU, possibility of abnormal resetting of the CPU caused by the CPLD and the like in the prior art through collaborative design of hardware and software, realize accurate control on CPU resetting and improve the CPU resetting efficiency. The stability and reliability of the system are improved, and meanwhile key information before resetting is reserved so as to facilitate system maintenance and troubleshooting.

The present invention particularly relates to an implementation device and method for measuring dual BIOS using a SOC card. The implementation device and method for measuring dual BIOS using a SOC card include a SOC card and a CPLD chip, wherein both the SOC card and the CPLD chip are connected to an electronic switch 1, and the CPLD chip is also connected to an electronic switch 2 and an electronic switch 3; a dual-channel CPU is connected to its respective BIOS via the electronic switch 2 and the electronic switch 3, and the electronic switch 1 is connected to the BIOS 1 and the BIOS 2 via the electronic switch 2 and the electronic switch 3, respectively. The implementation device and method for measuring dual BIOS using a SOC card can measure dual BIOS, prevent BIOS information from being tampered with, and ensure that a dual-channel CPU computer starts normally.

The invention relates to the technical field of computers, and discloses a system starting method and device, electronic equipment, a storage medium and a program product.The method comprises the steps that after a server is powered on, a first storage chip and a second storage chip are verified, and abnormal storage chips which do not pass verification and normal storage chips which pass verification are determined; the first storage chip and the second storage chip are used for storing firmware information; if the abnormal storage chip and the normal storage chip exist, forbidding the access control right of the access interface corresponding to the abnormal storage chip and releasing the access control right of the access interface corresponding to the normal storage chip; and releasing the reset signal of the substrate management controller, wherein the substrate management controller is started after accessing the normal storage chip. According to the method, the advantages of the double storage chips are fully utilized, the abnormal storage chip can be prevented from being accessed, and normal starting of the system is guaranteed.

This utility model discloses a piston-type pneumatic actuator, including a drive housing and a cylinder housing. The cylinder housing is located on one side of the drive housing, and a drive chamber is provided inside the drive housing. A pressure plate is provided inside the cylinder housing, and an air chamber is provided on one side of the pressure plate. An output shaft is provided on the other side of the pressure plate. The output shaft passes through the cylinder housing and extends into the drive chamber for reciprocating movement. A valve stem is rotatably mounted inside the drive housing, and one end of the valve stem extends into the drive chamber and is connected to a connecting rod. A strip-shaped groove is provided on the connecting rod. A drive block is fixedly connected to the portion of the output shaft located in the drive chamber. A slide rod is provided on the drive block, and the slide rod slides in the strip-shaped groove. The output shaft drives the connecting rod and the valve stem to reciprocate and rotate reciprocally through reciprocating movement. This solution converts linear motion into the reciprocating rotational motion of the valve stem, thereby realizing the opening and closing control of the valve, and has the advantages of smooth movement and fast response.

The invention discloses a reference-free wide power supply voltage detection circuit, and relates to the technical field of integrated circuits. The detection circuit comprises a Zener diode, a first resistor, a first current mirror module, a second resistor, a first NMOS tube and a buffer output module. The cathode of the Zener diode is connected to one end of the first resistor, the anode of the Zener diode is grounded, and the other end of the first resistor is connected to power supply voltage through the first current mirror module; one end of the second resistor is connected to the power supply voltage through the first current mirror module, and the other end of the second resistor is grounded; the source electrode of the first NMOS tube is grounded, and the drain electrode is connected to an internal power supply through a first active resistor; the grid electrode of the first NMOS tube is connected to one end of the second resistor to form a sampling node, the voltage of the sampling node is compared with the threshold voltage of the first NMOS tube, when the voltage of the sampling node is larger than the threshold voltage of the first NMOS tube, the first NMOS tube is conducted, and the current power supply voltage is judged to meet the system requirement.

This invention relates to the field of automotive parts technology, and provides a dual-valve controlled PRV valve, comprising: a valve seat having an intake chamber and an exhaust chamber therein, the intersection of which forms a cavity with one end communicating with the outside air; a piston movably inserted into the cavity, with an exhaust hole penetrating the first and second parts at the center of the piston; a diaphragm movably connected to the upper end of the piston; a spring sleeved on the outer wall of the piston, with the end of the spring abutting against the diaphragm on the moving side; and a seal disposed within the cavity. Compared with the prior art, the advantage of this invention is that by providing a seal within the valve seat that seals the piston and the cavity, when the negative pressure in the cavity is high, the seal and the diaphragm together achieve a seal on the intake and exhaust chambers. Under the same operating conditions, this makes it easier to achieve the sealing function, preventing excessively low crankcase negative pressure and ensuring normal engine starting.

The utility model relates to a tandem type double-rotor unmanned aerial vehicle transmission system, which is characterized in that reversing speed reduction units of a front rotor and a rear rotor are connected through a plurality of sections of synchronous long shafts, and the tandem type double-rotor unmanned aerial vehicle transmission system comprises a three-stage speed reduction structure, namely a first-stage synchronous belt speed reduction structure, a second-stage bevel gear speed reduction structure and a third-stage planetary gear train speed reduction structure, the second-stage bevel gear speed reduction realizes power transmission through a bevel gear, and the third-stage planetary gear train speed reduction transmits power to a rotor shaft through meshing of a planetary gear, a sun gear and a gear ring; the system solves the problems that a traditional tandem rotorcraft transmission system is single in structure, slow in clutch response, difficult in engine starting, insufficient in power, poor in emergency risk avoiding capacity and difficult to maintain, and the performance and reliability of the unmanned aerial vehicle are improved.

The application belongs to the technical field of battery control, and particularly relates to a throw load protection circuit based on control of a positive electrode battery management system and a power supply device. The throw load protection circuit is connected in parallel with a charge-discharge control circuit and is arranged between a battery total positive electrode of a starting battery and a battery bus positive electrode. The throw load protection circuit comprises a first unidirectional switch unit, an energy storage unit, a second unidirectional switch unit and a third unidirectional switch unit connected in series. The first unidirectional switch unit is connected with the battery total positive electrode of the starting battery. The third unidirectional switch unit is connected with the battery bus positive electrode of the starting battery. The second unidirectional switch unit and the third unidirectional switch unit are opposite in conduction direction, and can stabilize the voltage between the battery bus positive electrode and the battery bus negative electrode below a preset threshold value at the moment when the charge-discharge control circuit is disconnected, thereby improving the throw load protection effect of the starting battery.

The utility model relates to an unmanned plane engine output end clutch and particularly relates to an unmanned plane engine output end clutch. The unmanned plane engine output end clutch comprises a flyweight mounting seat, the middle part of the flyweight mounting seat is provided with an engine output shaft mounting hole, the periphery of the flyweight mounting seat is provided with a flyweight, and the outer side of the flyweight mounting seat is provided with a clutch shell. The front end of the flyweight is connected through a rotating shaft, the rear end of the flyweight is connected to the front end of another set of flyweights through a flyweight tension spring, the flyweight is provided with a roller guide plate, the roller guide plate and the flyweight are provided with guide grooves, the guide grooves are provided with rollers, the side of the roller is provided with a guide spring, and the other end of the guide spring is connected to the inner wall of the guide groove of the flyweight. The utility model has the positive effects of reducing the friction loss during clutch combination work, prolonging the service life of the clutch and improving the flight stability of the unmanned plane.

The embodiment of the invention provides a firmware updating method and device, equipment, a vehicle, a storage medium and a program product, and relates to the technical field of embedded software. The firmware updating method comprises the steps of obtaining first firmware data of to-be-updated target firmware in a controller in response to a received firmware updating instruction for the controller, and determining a firmware reading address corresponding to the target firmware as a first software partition; writing the first firmware data into a second software partition, wherein the second software partition is different from the first software partition; reading second firmware data written in the second software partition for the first firmware data, and verifying whether the second firmware data is consistent with the first firmware data or not; and if the second firmware data is consistent with the first firmware data, switching the firmware reading address of the target firmware to the second software partition. The method and the device are used for guaranteeing normal operation of the controller after firmware updating.

The utility model relates to an air supply system of an extracorporeal shock wave therapeutic apparatus, which comprises a first one-way valve arranged between an air pump and an air storage tank, an inlet of the first one-way valve is connected with the air pump, an outlet of the first one-way valve is connected with the air storage tank, and a second one-way valve is arranged between a high-frequency electromagnetic valve and an electromagnetic proportional valve. An inlet of the second one-way valve is connected with the electromagnetic proportional valve, and an outlet is connected with the high-frequency electromagnetic valve; the air storage tank is connected with an air pressure transmitter, and the output end of the air pressure transmitter is connected with a control module; the air pump comprises a motor, and the motor is electrically connected with the control module; the control module is further electrically connected with the electromagnetic proportional valve. The control module is further electrically connected with the high-frequency electromagnetic valve. The control module is arranged to control the air pump to work, the first one-way valve is arranged to ensure the normal work of the air pump, the second one-way valve is arranged to ensure the stable work of the system, the air pressure transmitter and the air pressure detection of the electric proportional valve are combined to control the air pump and the high-frequency electromagnetic valve to work, and the stable work of the system is further ensured.

The present application provides a startup method, device, electronic device and storage medium for an embedded system, wherein the startup method comprises: obtaining a configuration file of the embedded system, determining whether the configuration file is normal; if normal, determining whether the corresponding preset startup conditions are met from multiple dimensions of the embedded system based on the configuration file, until a target dimension that meets the preset startup conditions is determined, and starting the program corresponding to the target dimension to start the embedded system. The technical solution provided by the present application can ensure the normal startup of the embedded system by making judgments from multiple dimensions in sequence after determining that the configuration file is normal. Even if one dimension is abnormal, it can be started from other dimensions, thereby improving the stability of the startup of the embedded system.

The utility model discloses a hand-pulling starting device which comprises a starting pull disc, a starting pull rope and a starting handle, an opening is formed in the starting pull disc, and the starting pull rope penetrates out of the starting pull disc through the opening and then is connected with the starting handle. The starting pull rope is sleeved with a guide pipe, and the end, facing the starting pull disc, of the guide pipe is right opposite to the opening. According to the utility model, direct friction between the pull rope and the opening of the starting pull disc is avoided, so that the starting pull rope can be prevented from being abraded, the service life of the pull rope is prolonged, and the service life of the hand-pulling starting device can be further prolonged. In addition, due to the arrangement of the guide pipe, the starting pull rope can be prevented from being wound, and normal use of the starting pull rope is guaranteed. The utility model further provides an operation device driven by an engine, and the hand-pulling starting device is adopted in the operation device.

The utility model provides an RFID (radio frequency identification) tag recovery device, belongs to the technical field of tags, and solves the technical problems that tags cannot be quickly classified, so that manual intervention is possibly needed to classify and process the tags in the recovery process, the labor cost is increased, and errors and inconsistency are possibly caused. An RFID tag recycling device comprises a shell, a recycling bin and a smashing bin are formed in the top of the shell, one side of the bottom of the recycling bin and one side of the bottom of the smashing bin are both slidably connected with collecting boxes, the surface of the side, close to a conveying belt, of the shell is fixedly connected with two air nozzles, the two air nozzles are both matched with the conveying belt, and one side of each bin baffle is provided with a bin door. And closing mechanisms used for closing the bin doors are arranged on one sides of the two bin doors, and a card reader is fixedly connected to the interior of the side, close to the conveying belt, of the shell. According to the utility model, through the arrangement of the air tap, the labels can be quickly classified.

The invention provides an automatic energy conversion device in an electrical combination form, which is applied to a self-starting system of a ship emergency generator and comprises a conversion box, and a first starting energy module for inputting electric energy of a storage battery and a second starting energy module for inputting power energy of compressed air are arranged in the conversion box; the input end of the first starting energy module is connected with the storage battery pack, and the output end is connected with the electric starting motor; the input end of the second starting energy module is connected with the local control box, and the output end of the second starting energy module is connected with the starting gas cylinder electromagnetic valve; according to the invention, one of the first starting energy source module and the second starting energy source module is used as a preferred starting energy source for starting the emergency generator, and the other one is used as an alternative starting energy source for starting the emergency generator. Alternative starting energy can be automatically switched and started, and normal starting of the emergency generator is guaranteed.

The present invention provides a bypass filter control system for a gearbox, the control system comprising: a bypass filter motor, a bypass system contactor and a bypass system control circuit. The bypass filter control system of the present invention realizes fine filtration of lubricating oil by controlling the bypass filter, thereby ensuring the cleanliness of the lubricating oil. In addition, the present invention connects the normally open contact of the bypass system contactor after the normally open contact of the high-speed pump contactor, and arranges the coil of the bypass system contactor after the normally open contact of the oil cooling fan contactor, so that the bypass filter motor can only work properly when the high-speed pump and the oil cooling fan are started at the same time, effectively protecting the bypass filter system from the technical defect of being damaged due to long-term excessive pressure. At the same time, the implementation of the bypass filter control system of the present invention does not need to change the circuit connection relationship and control logic of the original gearbox main filter system, which facilitates the implementation of the gearbox bypass filter.

The invention provides a thermal management system of a vehicle and the vehicle, the system comprises a parking heating loop, the parking heating loop comprises a first water pump, a four-way solenoid valve, a thermal management device and a parking heater; in the parking heating loop, the first end of a first water pump communicates with the second end of the first water pump through a parking heater, a heat management device and a four-way electromagnetic valve. The parking heating circuit is used for heating at least one component of a battery, an electric machine, an engine and a passenger compartment of the vehicle. The system can heat a vehicle-mounted battery or an engine by adopting a parking heating loop when a vehicle is in a low-temperature state for a long time in a cold or even extremely cold area, so that normal starting of a battery pack and the engine is ensured, and the problem of poor battery endurance caused by high-voltage electric heating on the battery when the battery and the engine are started in a low-temperature environment is solved.

The invention discloses a new energy automobile driving motor control system and method, and belongs to the technical field of driving motors, the new energy automobile driving motor control system comprises a whole automobile controller, motor control modules and 36 independent groove control modules, the whole automobile controller and the motor control modules are installed on an automobile center console, and the independent groove control modules are connected with the motor control modules. And the coils are distributed in 36 coil slots of a stator iron core of the driving motor. The design of 36 independent groove control modules is equivalent to integration of 36 small motors, and vehicle starting can be guaranteed through 8-phase operation. The flexible and changeable low-rotating-speed large-torque direct drive design can cancel a gearbox, the design and the size of a single motor, a double motor, a wheel side motor and a hub motor are flexible and changeable, the comprehensive endurance improving effect is obvious, and the gearbox fault hidden danger is avoided.