204results about How to "Avoid working abnormally" patented technology

The invention discloses a clock-correcting method and clock-correcting equipment. The clock-correcting method comprises the following steps of: acquiring the clock information of a current system when a timing cycle comes; comparing the clock information of the current system and the determined reference information of the system clock to obtain the deviation information of a system clock in the current timing cycle; determining the numerical information for every clock correction according to the preset clock correction frequency and the deviation information; and correcting the clock information of the system by using the numerical information when every clock interrupt cycle comes. By the method, the determined numerical information for correcting the clock information of the system every time is small; and the correction of the system clock is realized through a micro-adjustment mode, so that the problem that because the system clock hops suddenly due to large correction numerical information when the system clock is corrected in the prior art, equipment in the system works abnormally can be avoided, and the reliability and stability of the system are improved.

The invention discloses a small air pillow pressurization system. The redundancy design is adopted in the system, and pressurizing magnetic valves are controlled by feedback of storage box pressure under the set timing sequence condition. At the initial stage of starting of an engine, a pressurization controller controls the main pressurizing magnetic valve and the auxiliary pressurizing magnetic valve and monitors the pressure inside a storage box, when the pressure is excessively low, the pressurization controller controls the main pressurizing magnetic valve or the auxiliary pressurizing magnetic valve to be opened and carry out emergent pressurization on the storage box, and therefore the phenomenon that the engine works abnormally due to the fact that the air pillow pressure of the storage box is reduced fast is avoided, the engine can be started smoothly, the single point of failure is avoided, and the reliability of the pressurization system can be effectively improved.

The invention relates to a central air conditioner controller using radio frequency wireless data communication to mainly solve the problem that regarding to various types of central air conditioning systems, such as water-circulation multi-couple unit air conditioning system and air-cooling multi-couple unit air conditioning system, when the complete machine is arranged outdoor and the terminal is arranged at different positions in the room, the wire data communication has problems of high cost, large arrangement difficulty, and poor stability and reliability. A central air conditioner controller using radio frequency wireless data communication comprises a plurality of outdoor controllers, indoor machines and wire controllers, wherein the outdoor controllers, indoor machines and wire controllers are communicated. The invention is characterized in that the outdoor controllers, indoor machines and wire controllers are communicated by radio frequency wireless transceivers. The micro computers (MCUs) of the mainboards of the outdoor controllers, indoor machines and wire controllers are both connected with an address setting circuit. The address setting selection function is added, the data of communication between the outdoor controllers and indoor machines and between the indoor machines and wire controllers has bits with different length. The outdoor controllers transmit data, the indoor machines and auxiliary machines receive data, so that the communication for each controller and machine pair is exclusive. The invention is mainly used for data communication among outdoor controllers, indoor machines and wire controllers.

The invention discloses a capacitor bootstrap drive circuit of a switched reluctance motor, consisting of an upper switching tube drive circuit and a lower switching tube drive circuit. The upper switching tube drive circuit consists of a first charging circuit, a first discharging circuit and a bootstrap capacitance circuit, and the lower switching tube drive circuit consists of a second charging circuit and a second discharging circuit. The invention also discloses a drive method using the drive circuit. By charging a bootstrap capacitor to the drive power supply voltage only when a lower switching tube is turned on and turning on an upper switching tube with the voltage of the bootstrap capacitor, the method avoids the problem that the motor works abnormally since the upper switching tube has a deficient grid voltage due to the voltage raising of a terminal b and is failed to be turned on when a phase winding of the motor is turned on. With the bootstrap drive circuit constituted by a bootstrap capacitor, a diode, a commonly-used resistor, a triode and other elements, the switching tubes can be driven in real time with driving signals. The invention has advantages of simple circuit structure and strong practicability.

The invention discloses a battery passivation preventing circuit of a single-phase intelligent electric energy meter. The battery passivation preventing circuit comprises a main CPU, a main power source, a power supply battery, an energy storage circuit, a voltage monitoring circuit and a discharging circuit, wherein the main power source and the power supply battery are connected with the main CPU, the energy storage circuit is arranged between the main power source and the power supply battery, the voltage monitoring circuit is used for monitoring the voltage of the power supply battery, and the discharging circuit is used for controlling the power supply battery to carry out interval discharging to activate passivation. The energy storage circuit comprises a duodiode and an energy storage capacitor, when power is supplied by the main power source, a diode connected with the main power source is turned on to supply power to the main CPU and charge the energy storage capacitor at the same time, when power down occurs, the energy storage capacitor and the power supply battery jointly serve as a standby power source to supply power to a system, and the power supply battery is converted into a final standby power source along with gradual elimination of battery passivation; after the power is supplied by the power supply battery, the diode connected with the power supply battery is turned on to charge the energy storage capacitor. According to the battery passivation preventing circuit, battery passivation is effectively eliminated, and system abnormal work caused by battery passivation is avoided.

The invention discloses an automatic delivery system for high-rise buildings, which includes a delivery track, a delivery trolley, a delivery box and a control system; the delivery track includes a main rail and an auxiliary rail; the main rail is installed vertically along the wall of the building, There are corresponding attached rails on each floor; there is also a transition rail between the main rail and the attached rail, which is connected by a rail changing device. The rail changing device enables the two ends of the transition rail to be connected/detached from the main rail and the attached rail respectively; The delivery trolley is connected to the delivery track and walks on the delivery track under the action of the driving device; the delivery box is connected to one end of the main track for the courier or the delivery robot to store and pick up the pieces; the control system includes control The center and the main rail part, accessory rail part, track changing part and delivery part connected to it; solve the problem of the last "100 meters" of logistics; facilitate the receiving and dispatching of the receiving personnel and delivery personnel; the high-rise building automatically delivers goods The system has a simple structure and convenient operation, which improves the delivery efficiency of the automatic delivery system for high-rise buildings.

The invention relates to a foreign matter removal apparatus for an overload power transmission line, and belongs to the technical field of electric power. The apparatus comprises a supporting frame and a group of cleaning cylinders hinged on the periphery; each cleaning cylinder adopts a two-petal type split structure, and at least two groups of walking mechanisms are arranged in the cleaning cylinders in the direction of the power transmission line; each walking mechanism comprises a pair of walking wheels arranged symmetrically up and down and a first motor; a cleaning mechanism is also arranged in each cleaning cylinder; each cleaning mechanism comprises four brush rollers and a second motor; each brush roller comprises a shaft roller and bristles on the surface thereof; a mounting ringwith an L-shaped cross section is arranged at one end of each cleaning cylinder, and a two-petal-structured graphite ring is arranged in the lower concave position; a cutting mechanism is arranged onthe periphery of the graphite ring; and the cutting mechanism comprises a rotating ring with a driving mechanism and a group of cutters annularly arranged on the outer side. By virtue of the foreignmatter removal apparatus, cutting, drilling and stripping of suspending and covering objects and cleaning of relatively small foreign matters can be realized; and the foreign matter removal effect canbe remarkably improved, and foreign matter removal from the power transmission line can be truly realized.

The electronic equipment inspection system in charging inspects the positioning status of the two contacts method of the battery. The controller turns off the charging circuit instantly through serial connection in the battery charging circuit, and inspects the positive electrode of the battery to acquire two contacts battery positioning information.

The invention provides a gearbox fault diagnosing device, a gearbox fault diagnosing method and a gearbox. The gearbox fault diagnosing device comprises a rotation speed detection unit and a central control unit; the rotation speed detection unit is used for detecting the rotation speeds of a plurality of shafts in the gearbox; the central control unit is used for obtaining the rotation speed ratio of two shafts in the shafts in non-shift process according to the rotation speeds of the shafts, and comparing the rotation speed ratio of the two shafts with a fixed transmission ratio, if the rotation speed ratio and the fixed transmission ratio are the same, the central control unit determines that no fault exists between the two shafts; if the rotation speed ratio and the fixed transmission ratio are different, the central control unit determines that a fault exists between the two shafts; and/or in the shift process, the central control unit is used for judging whether the change area of the rotation speed of the shafts and/or the time exceeds the preset area and/or time range or not, if not, the central control unit judges that no abnormal sliding friction exists in the shift process; if so, the central control unit judges that abnormal sliding friction exists in the shift process. With the adoption of the device, the method and the gearbox provided by the invention, whether a fault exists between any two shafts of the gearbox can be easily detected.

The invention discloses a control circuit for hard disk power-on and a control method thereof, and the control circuit comprises a power-on control module, and a main power supply monitoring module and a switch group which are connected with the power-on control module. The main power supply monitoring module is used for monitoring the state of the main power supply output by the power supply module and sending a monitoring signal to the power-on control module; the power-on control module is also used for judging the state of the main power supply output by the power supply module according to the monitoring signal; and if the main power supply is abnormally powered off, executing a reset operation, and delaying until the main power supply is monitored to be normal, and executing an initialization operation. According to the control circuit provided by the embodiment of the invention, abnormal work of the power-on control module caused by rapid power-on and power-off is avoided, the phenomenon that all hard disks are powered on together during rapid power-on and power-off is avoided, and the service lives of the hard disks are prolonged.

The invention discloses a staggered PFC circuit fault detection method and device. The staggered PFC circuit comprises a main phase PFC circuit and an auxiliary phase PFC circuit, the method comprisesthe following steps: acquiring the current value of a to-be-detected auxiliary phase PFC circuit; determining whether the current value of the to-be-detected auxiliary phase PFC circuit is lower thana preset current threshold value; and when it is determined that the current value of the to-be-detected auxiliary phase PFC circuit is lower than a preset current threshold value, determining that the to-be-detected auxiliary phase PFC circuit has a fault. The technical problem that in the prior art, the fault of the auxiliary phase staggered PFC circuit cannot be effectively detected is solved.

The invention discloses a power switching circuit which comprises a first switch, a third switch, a fourth switch, a first self-locking anti-backflow circuit, a first interlocking circuit and a firstinterlocking anti-backflow circuit. The input ends of the first switch, the first interlocking circuit and the first interlocking anti-backflow circuit are respectively used for being connected with apower supply A. The input ends of the third switch and the first interlocking circuit are respectively used for connecting a power supply B, the output end of the third switch is respectively connected with the output ends of the first self-locking anti-backflow circuit, the fourth switch and the fourth switch, and the output end of the first switch is connected with power supply output. The output end of the first self-locking anti-backflow circuit is connected with the first switch, the output end of the first interlocking circuit is connected with the third switch, and the output end of the first interlocking anti-backflow circuit is connected with the fourth switch. The power conflict problem of the monitor during power supply of multiple power supplies can be solved, the reverse protection function is achieved, the circuit structure is simple, and good application prospects are achieved.

The invention relates to a mold electric-switch intelligent biomass forming machine comprising a humidity sensor, a temperature controller, heating wires, a material delivery hopper, a material conveyor belt, a stirring device, a granulation machine, a mold-changing disc, and a mold-changing disc motor. With the humidity sensor, biomass powder water content can be subjected to real-time measuring, such that the temperature controller can change heating current of the heating wires of the conveyor belt, such that the water content of the biomass powder can be adjusted. With the stirring device, biomass powder can be continuously stirred, such that caking is prevented, and forming machine normal work can be ensured. A plurality of molds with different hole sizes and through hole depths are arranged on the mold-changing disc. The mold-changing disc motor controls the mold-changing disc such that the mold-changing disc rotates, such that mounting of different flat molds can be realized according to requirements. According to the biomass forming machine provided by the invention, through realizing flat mold switch, water content control, and biomass powder stirring, forming machine normal work can be ensured. Biomass formed particles can be prepared according to requirements, such that adaptability and versatility of the application of the forming machine are improved.

The invention provides a chip installed on a consumable container. The chip comprises a substrate and an electronic module on the substrate, wherein the electronic module comprises a contact set and an electronic component electrically connected with the contact set, and the contact set is used for being connected with a contact pin; a chip connecting part comprises a connecting part substrate, an electronic module of the connecting part, a female through-connection part and a male through-connection part, the electronic module of the connecting part is installed on the connecting part substrate, the female through-connection part is used for being connected with a male connecting seat of a printer, the male through-connection part is used for guiding the contact pin out, the electronic module of the connecting part comprises an integrated circuit part electrically connected with the female through-connection part and the male through-connection part, the integrated circuit part comprises a storage unit and a control unit, the storage unit is used for storing measuring data and non-measuring data, and the control unit is connected with the storage unit to be used for achieving data communication between the chip connecting part and the chip, and between the chip connecting part and the printer. The invention further provides a chip assembly and a communication method of the chip assembly, and when the chip assembly and the communication method of the chip assembly are adopted, other people are prevented from using the chip and the consumable container unlawfully.

The invention discloses a building delivery system, which includes a delivery track, a delivery trolley, a delivery box and a control system; the delivery track includes a main rail and an auxiliary rail; the main rail is installed vertically along the wall of the building, and each floor of the building There are corresponding attached rails; there is also a transition rail between the main rail and the attached rail, which is connected by a rail changing device. The rail changing device enables the two ends of the transition rail to be connected/detached from the main rail and the attached rail respectively; delivery The trolley is connected to the delivery track and walks on the delivery track under the action of the driving device; the delivery box is connected to one end of the main track for the courier or delivery robot to deposit and pick up from the trolley; the control system includes the control center and The main rail part, the attached rail part, the track changing part and the delivery part connected to it; it solves the problem of the last "100 meters" of logistics; it is convenient for the receiving personnel and the delivery personnel to receive and receive; the building delivery system has a simple structure, The operation is convenient, and the delivery efficiency of the building delivery system is improved.

The invention relates to a dewdrop-proof heating control method and device. The method comprises the following steps: detecting environment humidity; obtaining a corresponding first humidity interval according to the environment humidity; controlling a controller to work at a corresponding first operation rate according to the first humidity interval; when the environment humidity changes from the first humidity interval to a second humidity interval, detecting the length of time that the environment humidity is maintained in the second humidity interval; and when the length of time is greater than a preset length of time, controlling a heater to work at a second operation rate corresponding to the second humidity interval. According to the invention, when the humidity changes from one humidity interval to the other humidity interval, the length of time that the humidity is maintained in the latter humidity interval is detected, and whether a heating wire changes the operation ratio to work is controlled according to the length of time; and since the heating wire changes the operation rate only when the length of time is large, the phenomenon that the heating wire changes the operation rate frequently in a short time due to humidity change can be effectively avoided, abnormal working of the heating wire is effectively avoided, and the service life of the heating wire is prolonged.

The invention provides a variable-frequency domestic appliance control method, a variable-frequency domestic appliance and a computer readable storage medium. The variable-frequency domestic appliancecontrol method comprises the steps that pulse width modulation signals are received, and the frequency of each pulse width modulation signal is recorded; whether the frequency variation difference value of the multiple pulse width modulation signals within the current cycle exceeds the preset error range or not is judged, and if yes, the error occurring time starts to be recorded; the frequenciesof pulse width modulation signals in the follow-up cycle are recorded, if the frequency variation difference value of the pulse width modulation signals in the follow-up cycle still exceeds the preset error range, the error occurring time is accumulated, and when the accumulated error occurring time value exceeds the error occurring time threshold value, operating of a signal driver part is stopped. The invention further provides the variable-frequency domestic appliance and the computer readable storage medium for achieving the variable-frequency domestic appliance control method. The situation that the variable-frequency domestic appliance is started and stopped repeatedly can be avoided, and the service life of the variable-frequency domestic appliance is prolonged.

The invention provides a method for switching working modes of a dual interface smart card. In the method, the dual interface card is mutually switched among three application modes, namely a contact type mode, a non-contact type mode and a dual interface mode which are unique to the dual interface card, under working conditions in different modes. A power-on reset mode and a clock switching mode of a system are set according to a working mode in which the initial default is not set, so that the method for switching from the contact type working mode to the dual interface working mode and then from the dual interface working mode to the non-contact type working mode is realized, and a switching process from the initial non-contact type working mode to the dual interface working mode and then the contact type working mode is realized. By the method, seamless transition of the dual interface smart card in various working modes according to an actual application environment requirement can be realized, and the normal work in any mode can be guaranteed.

The present invention discloses a rotational Raman lidar system for high-precision measurement of atmospheric temperature in a height range of 0-35km. The system employs a layered receiving technology, a low altitude detection module and a high altitude detection module are employed to perform detection of atmosphere in the height ranges of 0-15km and 8-25km; and the system employs two work modes of simulation AD and photon counting PC to effectively record echo data of high and low altitude detection modules. Finally, the system realizes high-precision complete-coverage measurement of atmospheric temperature in the height range of 0-35km.