47results about How to "Cause shock" patented technology

The invention belongs to the field of weighing apparatus metering, relating to an automatic handing device of a three-dimensional weight in quality measurement. The invention discloses an automatic handing system of weight and application thereof. The system comprises the weight, a power control part, a sliding assembly, a flexible assembly and a mechanical arm, wherein the sliding assembly and the flexible assembly are matched to operate under the driving of the power control component so as to control the mechanical arm to transport the weight. The automatic handing system of a three-dimensional weight in high-accuracy quality measurement provided by the invention can conveniently and automatically transport and load cylindrical weight, has compact structure, small occupation space, high transportation and loading speed and high working efficiency, and can automatically adjust speed and realize no-impact loading, thereby bringing great convenience for operating staff to operate, saving manpower.

The invention discloses a direct-acting electric valve comprising a valve seat having a valve cavity and a valve core disposed in the valve seat. The valve cavity is divided into an upper cavity and a lower cavity by the valve core; the valve core is connected with a nut; the valve core driven by the nut can axially move to be arranged on a valve port of the valve seat in an opening or a close way; the nut is formed by a small diameter part and a large diameter part arranged on the lower end of the small diameter part; at least one through groove communicated with the upper cavity is formed on the peripheral wall of the large diameter part; the valve core is provided with an accommodating cavity accommodating the large diameter part and an axial through hole communicated with the accommodating cavity; the axial through hole is communicated with the valve port; the periphery of the large diameter part is provided with an opening to be communicated with the axial through hole and the through groove; therefore, when air pressure of the valve port is higher or lower than the upper cavity, air pressure balance can be achieved via a flow channel formed by the axial through hole of the valve core, the opening of the large diameter part of the nut and the through groove; the valve core can be prevented from upward or downward pushing force; and impact to the valve core or impedance to the action of the valve core can be prevented.

The invention discloses a storage battery voltage balancing device and belongs to intelligent charging and discharging control devices of storage battery packs for direct-current power sources in an electrical power system. A storage battery charging control circuit is connected with a single chip, a storage battery managing chip is connected with the single chip via an SPI (serial peripheral interface) bus. In a storage battery voltage acquisition circuit, a storage battery pack is formed by a plurality of storage batteries which are mutually serially connected, and a positive electrode of every storage battery in the storage battery pack is connected with the storage battery managing chip. In a storage battery discharging control circuit, the positive electrode of every storage battery is connected with a source electrode D of a P-type MOSFET (metal-oxide -semiconductor field effect transistor), and the negative electrode of every storage battery is connected with the storage battery managing chip. During discharging, only overcharged batteries are discharged; and during charging, only batteries with low capacities are charged. The storage battery voltage balancing device is small in size, low in noise, high in reliability and real-time in control.

The invention discloses a port initialization control method and a fiber channel over Ethernet (FCoE) switch. In the invention, when a fiber channel (FC) port under a negotiation status of an exchange link parameter (ELP) receives an ELP rejection message in which an opposite terminal shows no support to an ELP function in the case not receiving a fiber channel logging (FLOGI) message, the state of the FC port can be switched into an isolated state, thus avoiding meaningless repeated initialization and oscillation of the FC port. In addition, when the FC port under a link synchronous state fails in synchronization, firstly the current synchronous state of the FC port can be maintained and then the synchronization is retried, if failure times for retrying reach the scheduled maximum retrying times, the state of the FC port is switched into the isolated state, thus reducing the waiting time for re-executing link synchronization and avoiding oscillation of the FC port.

The present invention provides a heavy rail scaling apparatus and a method therefor. The apparatus is a single-set or double-set mechanical scaling apparatus comprising a striking head elevating system, a transmission system, a frame and a detection switch. According to the invention, an electrohydraulic push rod is taken as power source to drive a swing rod to swing, a top wheel arranged at the front of the swing rod is employed to control the rise and fall of a lifter plate to allow the striking head arranged at the top end of the lifter plate to be located at either a working position or as top position and cooperate with a scaling saw to realize accurate scaling of the heavy rail. By employing a front detection switch and a damping and thickness-adjusting striking head having a polyurethane bumper pad and an adjusting gasket unit, impact to the striking head can be reduced while the speed of a frequency-changing roller-way is controlled, the service life of the scaling apparatus can be prolonged, the precision of heavy rail scaling can be improved, and the tolerance of the length of the heavy rail is kept between +4mm and -4mm. The apparatus has a simple structure and is easy to operate and convenient to maintain. The method is reasonable, and enables stable system running process, high operation rate, and low accident rate. In addition, the apparatus can increase the yield of heavy rail. The present invention is particularly suitable to be used for the scaling of 95, 96, 99,100 meter heavy rails.

The invention discloses a low-voltage transformer area topology identification method based on constrained multi-objective optimization. The method comprises the following steps: preprocessing electric quantity data; performing initial topological feasibility calculation to obtain a next-level topological structure set of the transformer area general table; constructing a constraint and multi-objective function model; forming an initial population according to the initial topological feasibility; and optimizing the multi-objective function by using a genetic algorithm to obtain the topological structure of the low-voltage transformer area. According to the invention, the constraint and multi-objective function model is constructed according to the electricity conservation relation of the low-voltage transformer area and the incremental relation of the line loss, the genetic algorithm is used for optimization, the optimal solution is analyzed to obtain the topological relation of the transformer area, and topology identification is carried out through a software method. And the accuracy and adaptability of topology identification of the low-voltage transformer area are improved on the basis that the hardware cost is not increased.

The invention discloses a siphon roof drainage system which comprises multiple rainwater hoppers, a suspension pipe and a vertical pipe. The multiple rainwater hoppers are communicated with the horizontal suspension pipe through connecting pipes respectively, and a water outlet end of the suspension pipe is connected with a water inlet end of the vertical pipe; a first buffer plate, a second buffer plate and a third buffer plate which are each of a circular ring structure are arranged on the inner wall of the middle lower part of the vertical pipe in sequence from top to bottom, and the inner diameters of the circular rings of the first buffer plate, the second buffer plate and the third buffer plate are sequentially reduced; a water outlet of the vertical pipe is of a horn-shaped structure. The siphon roof drainage system can reduce the excess pressure and flow velocity of the water outlet of the vertical pipe in the system, a higher impact caused by rainwater with the larger flow velocity to a building foundation is prevented, and the situation that due to the fact that air enters the rainwater hoppers, the drainage efficiency of the system is affected is prevented.

The invention discloses a locating mechanism. The locating mechanism comprises a base body, a carrying platform, a first locating component, a second locating component, a first servo motor, and a second servo motor. When the locating mechanism conducts location and fixation on a battery piece, the first servo motor controls the first locating component to gently clamp the two ends of the battery piece simultaneously, and the second servo motor controls the second locating component to slowly clamp the two ends of the battery piece simultaneously. Compared with the prior art, the locating mechanism can clamp the two ends of the battery piece simultaneously, and compared with an air cylinder, power provided by the servo motors is higher in controllability, the locating mechanism can be guaranteed to conduct slow movement and not to cause shock to the carrying platform of the battery piece, and thus the battery piece can be better located and fixed.

The invention provides a method and a device of the adaptive restoration of a code tree in a communication system, wherein the method includes that: Step 1, if channelizing codes are released by users or the reconfiguration of the channelizing codes is accomplished by the users on the current carrier frequency, determining whether the system meets the preset condition, and if it does, execute Step 2, or finishing the procedure; Step 2, examining each occupied channelizing code of all time-slot code trees on the current carrier frequency, and if the examined channelizing code is not the channelizing code used by a public channel or not the channelizing code used by a special user, the examined channelizing code is released. By using the invention, once the code trees have the channelizing codes which are hung abnormally, the system has the ability to release the channelizing codes and restores the code trees normal.

The invention discloses a method for repairing an eutrophic water body. The method comprises the following steps: 1, preparing an eutrophic water body repairing agent from water, an oxygen release agent, biomass charcoal powder, a composite microbial agent, an alkaline agent and a binder; and 2, applying the eutrophic water body repairing agent to the eutrophic water body. The method for repairingthe eutrophic water body has the advantages of high removal rate, low cost, environmental friendliness and the like, and the eutrophic water body can be efficiently and durably repaired.

The invention provides a vehicle electric bridge driving system and a vehicle comprising the electric bridge driving system, the electric bridge driving system comprises a motor module integrated witha motor and a clutch, and a rotor of the motor is selectively in transmission connection with an input shaft of a transmission through the clutch. Therefore, when the transmission of the bridge driving system shifts gears, the clutch is controlled to be separated to disconnect the transmission connection between the motor and the transmission, so that the motor does not impact the transmission inthe gear shifting process.

The invention discloses a large-scale refrigeration-type drying machine with stepless energy adjustment. The machine comprises a pre-cooling heat regenerator, one end of the precooling heat regenerator is fixedly connected with a first connecting pipe; a gas-liquid separator is fixedly connected to one end, far away from the pre-cooling heat regenerator, of the first connecting pipe; the end, awayfrom the first connecting pipe, of the outer side of the gas-liquid separator is fixedly connected with a second connecting pipe; the end, away from the first connecting pipe, of the outer side of the precooling heat regenerator is fixedly connected with a third connecting pipe. The end, away from the precooling regenerator, of the third connecting pipe is fixedly connected with an evaporator; the beneficial effects of the machine are that the device achieves the following beneficial effects: the device is convenient to use; a refrigeration compressor is compact in structure and high in practicability, the optimal adjustment proportion which cannot be achieved by a conventional refrigeration compressor with three-section and four-section capacity adjustment can be achieved by arranging the refrigeration compressor in a stepless energy adjustment mode, and meanwhile the service life of the refrigeration compressor is longer and the refrigeration compressor is more suitable for occasions with large load changes by arranging the multiple protection functions.

The invention discloses a sensor self-adaptive heating method which is implemented to a heating system, the heating system comprises a controller, a heating device, a temperature sensor and a timer, and the sensor self-adaptive heating method comprises the following steps: S1, enabling the temperature sensor to detect the temperature T; s2, if the temperature T is higher than the heating thresholdT0, executing the step S3, and if the temperature T is lower than the heating threshold T0, executing the step S4; s3, entering a standby mode, and repeatedly executing the step S1; s4, entering a rapid heating mode, starting a heating device, and continuously heating; s5, judging whether the temperature T reaches the target temperature T1 or not, executing the step S6 if the temperature T does not reach the target temperature T1, and executing the step S7 if the temperature T reaches the target temperature T1; s6, continuously heating, and repeatedly executing the step S5; s7, entering a PWMself-adaptive heating mode, and periodically switching on and off the heating device in turn with a period of t0; and S8, maintaining the target temperature T1.

The invention relates to the field of food processing, and particularly discloses an agrocybe-cylindracea washing and processing device. The agrocybe-cylindracea washing and processing device comprises a water tank, a handle, a drying device and a baffle. A heating wire is arranged in the water tank, the baffle is horizontally arranged in the water tank, a hopper-shaped guiding groove is formed in the baffle, a plurality of through holes for agrocybe-cylindracea stems and citric acid bags to pass through are formed in the bottom face of the guiding groove, a moving plate is arranged at the bottom of the water tank, barbs capable of puncturing the citric acid bags are arranged on the moving plate, and one end of the handle penetrates through the water tank and is fixedly connected with the upper portion of one side of the moving plate; a stirring device is arranged over the water tank, and comprises a containing cavity for containing welsh-onion liquid and flour, a stirring rod, a feeding opening and a discharging opening, the stirring rod is installed on the inner wall of the containing cavity, the feeding opening is formed in the upper end of the stirring device, the discharging opening is formed in the lower end of the stirring device, both the feeding opening and the discharging opening are communicated with the containing cavity, and the drying device and the upper surface of the baffle are oppositely arranged. By means of the agrocybe-cylindracea washing and processing device in the technical scheme, agrocybe cylindracea can be completely washed.

The present invention discloses a DC motor control system and a switch method thereof. The DC motor control system which has a speed and position online switched consists of an inner ring, an outer ring and a switch ring. The inner ring alone controls the speed of the DC motor, the embedding combination of the inner and the outer rings control the position of the DC motor, the switch ring assuresa stable online switch from the control of the speed to the control of the position. The DC motor control system and the switch method of the present invention control not only the speed of the DC motor but also the position of the DC motor. In addition, the speed control and the position control can switch online stably and the online switch has no impact on the position to be controlled in operation. Therefore the two different controlled variables of the DC motor can be controlled anytime according to actual operation needs in production.

The invention relates to a silent carrier roller system. The silent carrier roller system comprises bearing seats, seal assemblies and buckling parts; the bearing seats are arranged at the two ends of a carrier roller pipe body, and each bearing seat comprises a bearing seat outer wall and a bearing seat inner wall, wherein a bearing and a carrier roller shaft penetrate through the bearing seat inner wall; the seal assemblies are arranged in the bearing seats and make contact with the bearings; the buckling parts are fixed on the carrier roller shaft and attached to the seal assemblies; the surface of each bearing seat inner wall is provided with a plurality of shock absorbing ribs, so that the bearing seats are connected with the bearings in an interference fit mode. According to the silent carrier roller system, by arranging a plurality of the shock absorbing ribs on the bearing seat inner walls to achieve interference fit of the bearing seats and the bearings, the effect of correcting the coaxiality error between the bearings and the bearing seats can be achieved, it can be guaranteed that the coaxiality of the bearings and the bearing seats is high during assembly, the shock absorbing ribs can absorb impact or friction or vibration generated by operation of a carrier roller due to the machining or assembling error and effectively reduce noise generated when the bearings, the bearing seats and the carrier roller shaft are operated, therefore, the denoising and silencing effects are achieved, and the service life of the carrier roller is prolonged.

The invention provides an intelligent industrial automatic control instrument system and a control method thereof, which relate to the technical field of industrial automatic transportation. The intelligent industrial automatic control instrument system comprises a conveying frame, two rows of roller shaft mounting seats are symmetrically arranged on the inner side of the conveying frame, a power roller is connected between the two corresponding roller shaft mounting seats, a pressure detection ring is arranged on the side face of the power roller, an instrument panel body is connected to the top of a vertical frame through a hinge, and the instrument panel body is electrically connected with the pressure detection ring and used for detecting whether the distance between the power rollers is appropriate or not. Through the arrangement of the pressure detection ring structure, the distance between the two power rollers is detected when an object is conveyed on the power rollers, the distance is judged to be proper, large or small, then the position of the roller shaft mounting seat is adjusted through the adjusting wheel structure, and then the positions of the power rollers are adjusted. Therefore, objects can be transported in a labor-saving and safe mode, impact on the power roller is avoided, and the service life of the power roller is not affected.

The invention discloses a locating mechanism. The locating mechanism comprises a base body, a carrying platform, a first locating component, a second locating component, a first servo motor, and a second servo motor. When the locating mechanism conducts location and fixation on a battery piece, the first servo motor controls the first locating component to gently clamp the two ends of the battery piece simultaneously, and the second servo motor controls the second locating component to slowly clamp the two ends of the battery piece simultaneously. Compared with the prior art, the locating mechanism can clamp the two ends of the battery piece simultaneously, and compared with an air cylinder, power provided by the servo motors is higher in controllability, the locating mechanism can be guaranteed to conduct slow movement and not to cause shock to the carrying platform of the battery piece, and thus the battery piece can be better located and fixed.

The invention discloses a linkage system based on a sliding door and window. The sliding door and window is formed through the connection of a board-like movable object and a board-like linkage object. The linkage system comprises a connecting board presenting an S-shaped structure, a slide groove assembly, a slide rail assembly and a positioner, wherein the slide rail assembly comprises a first slide rail and a second slide rail, and the first slide rail and the second slide rail are respectively arranged at two ends of the connecting board; the slide groove assembly comprises a first slide groove and a second slide groove; the first slide groove is formed in the board-like movable object, and the second slide groove is formed in the board-like linkage object; the first slide groove and the second slide groove face to the same direction; the first slide groove formed in the board-like movable object is correspondingly connected with the first slide rail; the second slide groove formed in the board-like linkage object is correspondingly connected with the second slide rail; the positioner is a fixed piece in a square block shape, and is fixedly mounted in the second slide groove in the linkage object or the first slide groove in the movable object. The linkage system disclosed by the invention can realize the phenomenon that the overlapped area of a door leaf is the smallest when the sliding door and window is opened, namely the sliding door and window is completely opened, so that the maximum area division space of the door leaf is sufficiently utilized.

The invention discloses a method for restoring eutrophic water body, which comprises the following steps: 1. The eutrophic water body restoration medicament is prepared by using water, oxygen release agent, biomass charcoal powder, compound bacterial agent, alkali agent and binder. ; Second, the application of chemicals to eutrophic water bodies. The eutrophication water body restoration method of the invention has the advantages of high removal rate, low cost, environmental friendliness and the like, and can efficiently and lastingly restore the eutrophication water body.

The invention provides an intelligent gas stove burner. The intelligent gas stove burner comprises a burner; a kindling head is arranged on one side of the burner; the burner is connected with a gas proportional valve through a gas pipe; the kindling head is connected with the gas proportional valve through a kindling pipe; a gas tee joint is arranged on the gas pipe, and is connected with one end of a kindling balance pipe; and the other end of the kindling balance pipe is connected with the kindling pipe through a kindling pipe tee joint. The kindling balance pipe is adopted; after gas is introduced in the burner, the gas of the burner is partially leaded to the kindling head to guarantee no pressure change of the gas; flame of the kindling head has enough length; and when the flame of the burner is extinguished, the burner can be ignited again by the kindling head. The intelligent gas stove burner adopts the scheme of controlling through a main control chip to intelligently control the gas of the burner, the gas of the kindling head and the kindling air supply.

The invention discloses a control method of a mechanical arm based on impedance control, which includes a mechanical arm with an end effector and a position controller and a host computer for inputting and calculating parameters, and the end effector is provided with a position Sensors, speed sensors and force sensors, and include a. input calculation expected pose variables, b. calculation of expected control torque, c. calculation of error torque, d. calculation of main control torque and control the movement of the robot until it meets the expected value. The impedance control-based control method of the mechanical arm obtained in the present invention is compared with the traditional control method of the mechanical arm. After the mechanical arm starts and receives the parameters fed back by the sensor, the PID control method is used to adjust the error value, and the calculation result is used to replace the traditional impedance. The error value directly used in the control avoids the peak value of the main control torque that is much larger than the expected value in the process of approaching the expected value, so the mechanical arm will not cause impact on the material, and can realize high-precision handling and processing operations.

The invention discloses a driving circuit of arrow-head-shaped traffic lights. The driving circuit of the arrow-head-shaped traffic lights comprises a power supply unit, a rectification unit, a filtering unit, a voltage stabilizing unit and a displaying unit, wherein the power supply unit, the rectification unit, the filtering unit, the voltage stabilizing unit and the displaying unit are connected in sequence. By changing the circuit connecting method of the displaying unit, when one LED lamp is damaged, the work of other LED lamps on branches connected in series will not be affected, the problems of traffic jam caused by failures in the use process of the traffic lights, and the like are avoided, and meanwhile repairing cost is saved. The voltage stabilizing unit is of a structure with various capacitors connected in parallel, the power supply voltage of the displaying unit is more stable, the impact to the LED lamps caused by unstable voltage is avoided, and the service life of the LED lamps is prolonged.

The invention discloses a direct-acting electric valve comprising a valve seat having a valve cavity and a valve core disposed in the valve seat. The valve cavity is divided into an upper cavity and a lower cavity by the valve core; the valve core is connected with a nut; the valve core driven by the nut can axially move to be arranged on a valve port of the valve seat in an opening or a close way; the nut is formed by a small diameter part and a large diameter part arranged on the lower end of the small diameter part; at least one through groove communicated with the upper cavity is formed on the peripheral wall of the large diameter part; the valve core is provided with an accommodating cavity accommodating the large diameter part and an axial through hole communicated with the accommodating cavity; the axial through hole is communicated with the valve port; the periphery of the large diameter part is provided with an opening to be communicated with the axial through hole and the through groove; therefore, when air pressure of the valve port is higher or lower than the upper cavity, air pressure balance can be achieved via a flow channel formed by the axial through hole of the valve core, the opening of the large diameter part of the nut and the through groove; the valve core can be prevented from upward or downward pushing force; and impact to the valve core or impedance to the action of the valve core can be prevented.

The invention discloses a covered stent system which comprises a mandrel, a functional tube, a self-expanding covered stent and an outer sleeve. The mandrel is arranged in the functional tube and comprises a mandrel body, a first developing ring and a first support hook ring, and the first developing ring and the first support hook ring are sequentially arranged at the front end of the mandrel body; the functional tube comprises a tube body, and a second stent hook ring, a second developing ring, a balloon developing ring, an expansion balloon and a functional tube seat which are sequentially arranged on the tube body; a liquid injection opening is formed in the functional tube seat; one end of the self-expanding covered stent is connected with the first stent hook ring, and the other end of the self-expanding covered stent is connected with the second stent hook ring; and the outer sleeve is arranged outside the self-expanding covered stent and the functional tube. The invention further provides a usage method of the covered stent system. The device can adapt to blood vessels with different diameters, tearing of the blood vessels can be avoided, and a secondary dilation operation is not needed.

The present invention provides a heavy rail scaling apparatus and a method therefor. The apparatus is a single-set or double-set mechanical scaling apparatus comprising a striking head elevating system, a transmission system, a frame and a detection switch. According to the invention, an electrohydraulic push rod is taken as power source to drive a swing rod to swing, a top wheel arranged at the front of the swing rod is employed to control the rise and fall of a lifter plate to allow the striking head arranged at the top end of the lifter plate to be located at either a working position or as top position and cooperate with a scaling saw to realize accurate scaling of the heavy rail. By employing a front detection switch and a damping and thickness-adjusting striking head having a polyurethane bumper pad and an adjusting gasket unit, impact to the striking head can be reduced while the speed of a frequency-changing roller-way is controlled, the service life of the scaling apparatus can be prolonged, the precision of heavy rail scaling can be improved, and the tolerance of the length of the heavy rail is kept between +4mm and -4mm. The apparatus has a simple structure and is easy to operate and convenient to maintain. The method is reasonable, and enables stable system running process, high operation rate, and low accident rate. In addition, the apparatus can increase the yield of heavy rail. The present invention is particularly suitable to be used for the scaling of 95, 96, 99,100 meter heavy rails.

The invention provides an air bag protection device, and relates to the technical field of safety protection equipment. The air bag protection device comprises an air generator and a trigger module, the air bag is communicated with the air generator, and the trigger module is electrically connected with the air generator. The triggering module is used for sending a starting command to the gas generator; the gas generator is used for receiving the starting command and generating gas to enter the air bag; the air bag expands after being inflated, and a protection cavity is formed in the middle of the air bag after the air bag expands. According to the invention, the air bag can be emitted to protect a human body and reduce harm to the human body.