96results about How to "Troubleshoot broken tech issues" patented technology

The invention discloses a pressure cooker control method and device and a pressure cooker. The method includes the steps that in the process of controlling the pressure cooker to operate at initial heating power, whether internal temperature in a closed cooking inner cavity reaches the boiling point temperature or not is detected; when the internal temperature in the closed cooking inner cavity reaches the boiling point temperature, a timer in the pressure cooker is started up and starts to carrying out timing; when the timing time of the timer reaches preset time, the pressure cooker is controlled to operate at first heating power smaller than the initial heating power; in the process that the pressure cooker operates at the first heating power, whether liquid in the pressure cooker will overflow or not is determined by detecting whether the internal temperature or pressure in the closed cooking inner cavity reaches a preset value or not. The technical problems that as overflowing cannot be prevented in the prior art, the liquid in the cooker overflows to damage internal electrical apparatus circuits and then the cooker are solved.

The invention discloses an air conditioner unit control method and device. The air conditioner unit control method comprises the steps that the exhaust temperature of each compressor in an air conditioner unit system is collected; according to the exhaust temperatures, the exhaust temperature difference value between the compressors is calculated; whether the exhaust temperature difference value is larger than a preset exhaust temperature difference value is judged; if the exhaust temperature difference value is larger than the preset exhaust temperature difference value, the compressors in the air conditioner unit system are controlled to stop operation, and prompt information is triggered, wherein the prompt information is used for reminding people that the air conditioner unit breaks down. The air conditioner unit control method and device solve the technical problem that in the relevant prior art, the parallel compressors in the air conditioner unit are damaged since the refrigerant suction volume is excessively large.

The invention relates to a monitoring method of IGBT collector overvoltage double protection. An IGBT collector overvoltage double protection circuit, which comprises an IGBT, a microcontroller, an IGBT driving circuit, a resistor R1 and a resistor R2. An output end of the IGBT driving circuit is connected to a grid G of the IGBT. The collector C of the IGBT is connected to an input end of the microcontroller after voltage divider of the tandem voltage divider resistors R1 and R2. The output end of the microcontroller is connected to the input end of the IGBT driving circuit. The microcontroller comprises comparators CMP1 and CMP2, a first IGBT control circuit and a second IGBT control circuit, negative input ends of the comparators CMP1 and CMP2 are respectively connected with reference voltages, and output ends are respectively connected with the first IGBT control circuit and the second IGBT control circuit, wherein when the comparator CMP1 outputs a high electrical level, the microcontroller generates an interrupt handling program INT1 by the handling of the first IGBT control circuit; and when the comparator CMP2 outputs a high electrical level, the IGBT is turned off by the handling of the second IGBT control circuit, and the microcontroller generates an interrupt handling program INT2. By adopting the method, the IGBT collector voltage can be monitored in real time.

The invention discloses a power distribution cabinet with a relatively good heat dissipation effect. According to the power distribution cabinet, a cabinet body is connected with a rain collection tank, a solar cell panel is fixed in the rain collection tank, a filter screen is arranged in the middle of the rain collection tank, a draining hole is formed in the bottom of the rain collection tank and is connected with one end of a main draining pipe, and the other end of the main draining pipe is connected with N branched draining pipes, respectively; N partition boards are arranged in the cabinet body, the inside parts of the partition boards are of a hollow sealed structure, and the other ends of the N branched draining pipes respectively extend to hollow regions of the N partition boards; a wind generator is connected with the side surface of the cabinet body through a second bracket, and a storage battery is fixed in the cabinet body and is connected with the wind generator and the solar cell panel; a heat dissipation fan is fixed in the cabinet, so that the technical effects that the power distribution cabinet is reasonable in design and relatively good in heat dissipation effect, and the equipment in the power distribution cabinet can be well protected when the heat dissipation effect is guaranteed are achieved.

The invention discloses a battery thermal management system and a control method thereof. The system comprises a medium-temperature heat storage unit, a first high-temperature heat storage unit and atwo-phase circulation unit, wherein the medium-temperature heat storage unit stores the heat generated by a battery stack by using a first heat storage material and transmits the stored heat to the battery stack when the environmental temperature is detected to be lower than a first preset temperature; the first high-temperature heat storage unit is connected with the medium-temperature heat storage unit and stores the heat generated by the battery stack by using a second heat storage material; and the two-phase circulation unit is connected with the medium-temperature heat storage unit and the first high-temperature heat storage unit and transmits the heat stored by the first high-temperature heat storage unit to the medium-temperature heat storage unit when the temperature in a medium-temperature heat storage device of the medium-temperature heat storage unit is lower than the phase change temperature of the first heat storage material. The battery thermal management system solves atechnical problem that the battery management system in the related art cannot cope with the rapid change of temperature and results in the damage of the battery stack.

The invention discloses a pushing method and device for boiler early warning information. The method comprises the following steps of acquiring basic parameters of a preset boiler, wherein the basic parameters comprises a steam pressure value, a steam temperature value and a furnace tube temperature value; determining a saturation temperature value which corresponds to the steam pressure value according to the steam pressure value in the basic parameters, arranging a current distributor in the boiler, and sending a current signal which corresponds to the basic parameters acquired by the current distributor into a preset control system; determining a first temperature difference value according to the steam temperature value and the saturation temperature value; determining a second temperature value according to the furnace tube temperature value and the saturation temperature value; judging whether the first temperature difference value is greater than a first preset threshold value or not, and / or judging whether the second temperature difference value is greater than a second preset threshold value or not; and pushing first early warning information in case of judging that the first temperature difference value is greater than the first preset threshold value and / or judging that the second temperature difference value is greater than the second preset threshold value.

The invention discloses electronic equipment and a docking station, which are used for solving the technical problem existing in the prior art that damage is caused to the electronic equipment by the fact that a force, acting on an auxiliary device, of a user is excessively powerful due to the fact that a spring and a clamping mechanism are connected with the electronic equipment and the auxiliary device during a process that the electronic equipment and the auxiliary device are separated. The electronic equipment comprises a first body and a second body, wherein the first body comprises N first connecting pieces; the second body comprises N second connecting pieces matched with the first connecting pieces; when the first body and the second body maintain contact, if the first body and the second body are at first relative positions, by matching the N first connecting pieces and the N second connecting pieces, the first body and the second body are connected; if the first body and the second body are at second relative positions different from the first relative positions, by matching the N first connecting pieces and the N second connecting pieces, the connection between the first body and the second body is relieved, so that the first body can be separated from the second body.

The invention discloses an electronic device, which comprises a first case, a second case, a first fastening unit and a second fastening unit; the first fastening unit is arranged in the first case, and comprises a magnetic structure and a first fastening body connected with the magnetic structure; the second fastening unit is arranged in the second case. When pressure is applied on the first case to press the first case toward the second case, the first fastening body is fastened with the fastener of the second fastening unit, so that the first case is fixedly connected with the second case; when magnetic force is applied on the first case to move the magnetic structure in a direction opposite to the direction of the pressure, the first fastening body is separated from the second fastening unit, and thereby the first case is separated from the second case.

The invention discloses a control method for a magnetic suspension bearing, the magnetic suspension bearing and a magnetic suspension bearing system. The method comprises the following steps: a firstpart of a bearing coil is determined to exist in the magnetic suspension bearing according to a coil failure signal, and is an invalid bearing coil; and failure treatment is carried out on the basis of a magnetic circuit where the first part of the bearing coil is located. According to the control method for the magnetic suspension bearing, the magnetic suspension bearing and the magnetic suspension bearing system, the technical problem of damage to the magnetic suspension bearing system due to that a rotor cannot be stably suspended and falls off during running, which is caused by the failureof a part of a bearing stator coil, in the related technologies, is solved.

The invention discloses a method, a device and a system for motor speed regulation and an intelligent environment-friendly barrel. The method comprises the following steps: collecting the voltage of power supply equipment of a motor; determining the electric quantity state of the power supply equipment according to the collected and obtained voltage; and determining the speed regulation data of the motor according to the voltage of the power supply equipment of the motor under the condition that the power supply equipment is at a high electric quantity state, wherein the speed regulation data at least comprise full-speed operation time, speed regulation time and PWM duty ratio. According to the method, the device and the system for motor speed regulation and the intelligent environment-friendly barrel, the technical problem that the motor is damaged caused by higher motor stalling strength under the condition that the electric quantity of the power supply equipment of the motor is higher is solved.

The invention discloses a garbage truck, a loading system of the garbage truck and a control method thereof. The loading system comprises an integral chassis, a loading controller and a motor controller, wherein the integral chassis controls the loading system to be electrified or non-electrified; the loading controller is connected to the integral chassis and the motor controller for receiving electrifying or non-electrifying information of the integral chassis and sending a first control command or a second control command to the motor controller; the first control command is generated according to the electrifying information and the second control command is generated according to the non-electrifying information; the motor controller is used for receiving the first control command orthe second control command of the loading controller and controls a motor to work to control the garbage truck to load according to the first control command or unload according to the second controlcommand. The invention solves the technical problem that the loading system is damaged easily as information interaction is lacked among parts of the loading system of the garbage truck in the relatedart.

The invention relates to a convenient unload packing box comprising a bottom holder and a top cover. The product supporting surface of the bottom holder is provided with a first guide rail assembly composed of two parallel guide rails; the upper end surface of the top cover is provided with a second guide rail assembly composed of two parallel guide rails; the lower end surface of the top cover is provided with an oblique support which is capable of being accommodated in the packing space of the packing box and which plays a top cover limiting role; the top cover is supported on the ground through the oblique support and is in abut connection with the bottom holder through the upper oblique end, and the second guide rail assembly is connected to the first guide rail assembly correspondingly to form a guide rail channel for unloading products conveniently. During unloading, the safe product unloading is implemented through the guide rail channel, and the technical problem that high precision goods or instruments are prone to damage during unloading is solved.

The invention relates to an LED display screen splicing system, device and method. The LED display screen splicing system comprises a main control module, a mounting base, a rotary driving unit, a linear driving unit, a displacement sensor assembly and a sub-control module. The LED display screen is mounted on the mounting base and can be driven by the rotary driving unit so as to realize rotation; the mounting base can be driven by the linear driving unit to move horizontally; the rotation of the LED display screen is controlled by the sub-control module; the movement of the mounting base iscontrolled by the main control module; and the functions of automatic unfolding, splicing, closing and folding of the LED display screen can be achieved. Therefore, a technical means of combining horizontal movement, rotation and displacement sensor assemblies is adopted for LED display screens in the invention; the technical problems that an LED display screen structure occupies a large space andcannot be flexibly applied to a use scene are solved; and the technical effects that the LED display screen can be automatically unfolded and spliced in use, can be folded when not in use and is flexibly applied to various use scenes are achieved.

The invention discloses a starting-up method of cooling equipment and a device. The starting-up method comprises the steps of detecting the quantity of heat of heat generating equipment and the environment temperature of an environment where the heat generating equipment is located; generating an original frequency according to the quantity of heat and the environment temperature; controlling the cooling equipment to start up according to the original frequency so as to cool the heat generating equipment. Through the invention, the technical problem that the heat generating equipment is damaged due to the fact that the original frequency of the cooling equipment cannot be adjusted is solved.

The invention discloses a multi-terminal direct-current power transmission system locking control method and device, a terminal and a medium, and aims to solve the technical problem that in the priorart, devices or equipment are damaged due to an overvoltage phenomenon caused by improper coordination of shutdown time sequences of stations when a fault-free receiving-end converter station may be locked before power reduction of a rectifier station and a shutdown locking strategy with preset time delay is added after the fault-free converter station receives all in-operation station signals inemergency shutdown. The safety of emergency shutdown of all in-operation converter stations after a fault in the multi-terminal direct-current engineering is improved.

The invention discloses a push-pull converter circuit and a control method thereof. Equivalent parameters of two switch tube groups are same, each switch tube group comprises multiple stages of switchtubes in parallel, each stage of switch tube comprises one or more switch tubes in parallel, a logic control unit is connected with control ends of all switch tubes in the two switch tube groups andis used for performing push-pull driving control on the two switch tube groups according to a multi-path driving control signal, one path of driving control signal is used for independently controlling one stage of switch tubes, a detection unit is connected with the two switch tube groups and is used for detecting whether each switch tube group is in an overcurrent state or not, and when the switch tube groups are in the overcurrent states, the logic control unit is used for switching off at least one stage of switch tubes in the switch tube group so that the switch tube groups are in current-limiting states. By the push-pull converter circuit, the technical problem of damage to the push-pull converter circuit caused by excessively large current of the switch tubes is solved.

The invention discloses an environment-friendly active anti-winding sweet potato seedling harvesting and drying device which comprises a ridge field self-adaptive picking, carding and harvesting mechanism, a solar heat flow collision drying and crushing mechanism and a movable collecting mechanism. The ridge field self-adaptive picking, carding and harvesting mechanism is arranged on the front wall of the movable collecting mechanism in a sliding mode; the solar heat flow collision drying and crushing mechanism is fixedly arranged on the upper wall of the movable collecting mechanism. The invention belongs to the technical field of agricultural machinery, and particularly provides an environment-friendly active anti-winding harvesting and drying device for sweet potato seedlings, which applies a segmentation principle and a curved surface principle to picking, harvesting and automatic navigation of the sweet potato seedlings, well adapts to ridge culture terrains, and improves the harvesting efficiency of the sweet potato seedlings. The technical problem that equipment is damaged due to the fact that sweet potato seedlings are easily wound around the equipment in the prior art is effectively solved. The replacement principle and the Joule-Thomson effect are applied to drying and collecting of the sweet potato seedlings, the utilization efficiency of clean energy is effectively improved, the period of preparing feed from the sweet potato seedlings is shortened, and a good operation environment is provided for a user.

The embodiment of the invention relates to a control method for suppressing switching oscillation of a field-effect transistor and a second-order model. The second-order model comprises a step power supply, a main loop inductor connected with the positive electrode of the step power supply, a main loop capacitor connected with the main loop inductor and a main loop resistor connected with the mainloop capacitor, wherein the main loop resistor is connected with the negative electrode of the step power supply. According to the control method for suppressing the switching oscillation of the field-effect transistor, through the second-order model of a switching loop of the field-effect transistor, the switching loop of the field-effect transistor does not need to connect additional damping equipment in a main loop in the switching loop of the field-effect transistor, and a new oscillation mode is not introduced; and by switching on and switching off the second-order model, driving resistance capable of suppressing oscillation in the switching-on or switching-off process of the field-effect transistor is obtained, so that oscillation in the switching-on or switching-off process of thefield-effect transistor is effectively suppressed, and the technical problem that oscillation occurs in the switch transient process of an existing silicon carbide MOSFET is solved.

The invention discloses a memory alloy cut-off complete sampling and digging device for geological exploration, which comprises a support ring plate, a sampling horizontal adjusting mechanism, a self-locking vertical adjusting mechanism, a nested adjustable lifting stabilizing mechanism and a memory alloy cut-off complete digging and sampling mechanism, the sampling horizontal adjusting mechanism is arranged on the support ring plate, and the self-locking vertical adjusting mechanism is arranged on the support ring plate; the self-locking type vertical adjusting mechanism is arranged on the sampling horizontal adjusting mechanism, the nested adjustable lifting stabilizing mechanism is arranged on the lower portion of the supporting annular plate, and the memory alloy cutting-off complete cutting sampling mechanism is arranged on one side of the self-locking type vertical adjusting mechanism. The invention belongs to the field of geological exploration, and particularly relates to a memory alloy cut-off complete sampling and digging device for geological exploration, which solves the problem that a rock device with relatively high hardness is difficult to fix, keeps the integrity of a sample and also cools a cutter.

The invention relates to a concentrator and especially relates to a thermocouple concentrator. The thermocouple concentrator is characterized in that the concentrator is provided with a wire collection groove (3) around a body; wire head fixation slots (2) are openings arranged in the side wall of the wire collection groove (3); and the body is provided with a plug fixation slot (1) capable of being in interference fit with a plug. According to the technical scheme, the thermocouple concentrator solves the technical problem of damage of thermocouples due to disordered placement of the thermocouples after use; and meanwhile, the thermocouple concentrator is simple in structure and can realize quick collection of the thermocouples.

The invention discloses electronic equipment. The electronic equipment can be separably connected with second electronic equipment, and comprises a shell, a supporting mechanism and an adjusting mechanism, wherein the shell comprises a groove; the supporting mechanism is arranged in the groove and is used for providing support force for the second electronic equipment when the second electronic equipment is connected with the electronic equipment; the adjusting mechanism is arranged in the groove, is connected with the supporting mechanism, and is used for converting a first relative position of the supporting mechanism and the adjusting mechanism into a second relative position in the process that the second electronic equipment moves towards the bottom of the groove to enable the support force provided for the second electronic equipment by the supporting mechanism to be decreased from a first value to a second value, so as to enable first acting force applied to the second electronic equipment by a user to be decreased.

The invention discloses a single-phase power supply unit and a control method thereof. The single-phase power supply unit comprises a main board, wherein the main board is provided with a strong-current power supply interface and a weak-current communication interface; a detection unit arranged on the main board and used for detecting whether the strong-current power supply interface in the main board is connected with a power source; and a controller arranged on the main board and used for controlling a relay to attract when the detection unit detects that the strong-current power supply interface in the main board is connected with the power source, wherein the relay is arranged on the main board, and the relay comprises the following work states: a relay attraction state and a relay disconnection state. When the relay is in the attraction state, the single-phase power supply unit works; and when the strong-current power supply interface in the main board is not connected with the power source, the relay is in the disconnection state, and the single-phase power supply unit does not work. The technical problem of circuit damage caused when the weak-current communication interface of the power supply unit is connected with a strong current is solved.

The invention provides a high-performance super-capacitor battery pack charger. The high-performance super-capacitor battery pack charger comprises a shell, a charging device which is arranged in theshell; a central processing device, a temperature sensor and a circuit switch, wherein the temperature sensor and the circuit switch are respectively and electrically connected with the central processing device; the temperature sensor is arranged in the shell, the circuit switch is electrically connected with the charging device and an external power supply, and the central processing device cancontrol the on-off of the circuit switch through detection information of the temperature sensor so as to control the connection or disconnection of the charging device and the external power supply.Through arrangement of the shell, the charging device, the central processing device, the temperature sensor and the circuit switch, a technical problem that the charger is damaged due to the fact that the temperature in the shell is too high is solved, and the technical effects of prolonging the service life of the charger and saving personnel and labor force are achieved.

The embodiment of the invention discloses a display system and method, a terminal and a storage medium, the system can be configured in an electronic terminal, and the system comprises the following steps: a monitoring module monitors connection information of a target pin and sends the connection information to a processing module; the processing module receives the connection information and sends display information corresponding to the identification information to the display module according to the identification information in the connection information; and the display module receivesthe display information and displays a display interface corresponding to the identification information according to the display information. The technical scheme of the embodiment of the invention is adopted. In the prior art, a power supply module and a control module are arranged on a display screen; when the display screen is installed on the display screen of the electronic terminal to be folded, the technical problem that elements are damaged possibly exists, the power supply module and related modules are integrated in the electronic terminal, and the technical effect of improving theuniversality of the electronic terminal is achieved.

The invention discloses a projector installation structure. The structure comprises a mounting base and four height regulating structures, wherein the mounting base is of a double-layer structure; the upper layer of the mounting base is a mounting layer; the lower layer of the mounting base is a heat dissipation layer; the mounting layer is provided with a mounting groove; each of the bottom surface of the mounting groove and the top surface of the heat dissipation layer is of a netted structure; N fans are arranged in the heat dissipation layer; the mounting base is provided with four through holes in the vertical direction; internal screw threads are formed in the through holes; both left and right lateral surfaces of the mounting base are provided with rubber ropes; certain ends of the rubber ropes are connected with the mounting base and the other ends of the rubber ropes are connected with hooks; the four height regulating structures are respectively positioned in the four through holes. The projector installation structure has the technical effects that installation of a projector on a device is implemented; fixing and heat dissipation are carried out by utilizing the device; the projector installation structure has good fixing and heat dissipating effects; the projector is difficult to damage; a projection angle and a projection direction are convenient to regulate.

The invention provides a coiled material laminating device and coiled material packaging equipment, and relates to the field of packaging equipment. The coiled material laminating device and the coiled material packaging equipment are designed for solving the problem that an existing coiled material laminating device easily damages coiled materials. The coiled material laminating device comprisesa workbench, a film drawing mechanism, a cutting mechanism, gluing mechanisms and a rolling mechanism, and the film drawing mechanism is movably arranged on the workbench and used for drawing an outerfilm to the bearing face of the workbench in the first horizontal direction; the cutting mechanism is arranged on one side of the workbench; the gluing mechanisms are arranged at the two ends, in thesecond horizontal direction, of the cutting mechanism, and the gluing mechanisms are configured to conduct gluing on the outer film in the outer film drawing process of the film drawing mechanism; the second horizontal direction is perpendicular to the first horizontal direction; and the rolling mechanism is arranged on the workbench, and the rolling mechanism is configured to drive the coiled materials on the bearing face to roll. The coiled material packaging equipment comprises the coiled material laminating device. The coiled material laminating device and the coiled material packaging equipment do not cause high-heat damage to the coiled materials.