188results about How to "Won't impact" patented technology

The invention discloses a variable frequency air conditioning unit which solves the problem that in the prior art, the control over temperature and humidity precision by an air conditioner is lower. The variable frequency air conditioning unit comprises a compressor, a condenser, an expansion valve and an evaporator which are sequentially connected. The compressor is further connected with the evaporator. A condensing fan is further arranged above the condenser. An evaporating fan is further arranged above the evaporator. The compressor is a variable frequency compressor, the expansion valve is an electronic expansion valve, and a liquid storage tank is arranged between the condenser and the expansion valve. A humidifier and an electric heater are respectively arranged at an air supply outlet of the evaporating fan. A dehumidifying electromagnetic valve is further arranged between the expansion valve and the evaporator. The variable frequency air conditioning unit provided by the invention has the advantages of high precision control and energy-saving and the like, and is suitable for application.

The present invention discloses one kind of pinch roll unit for underground winding machine with adjustable offset distance and its adjusting method. The connection between the support mechanism of at least one pinch roll and the frame is adjustable and the support mechanism of the pinch roll is adjusted via the offset distance adjusting mechanism, so that two pinch rolls are shifted horizontally and relatively to form different offset distance, band steel of different thickness and different material may be bent in required winding, radius and wound with the head entering to between the winding drum and the winding aid roll without shock.

The invention discloses a pure electric car anti-shake control method. The method comprises the steps that under the condition that the car speed and the driving torque of a target car are zero, the gear changing condition of a shifter is monitored, when it is monitored that the shifter is switched to the forward gear or the reverse gear, on the premise that a brake pedal is not loosened yet, the driving torque is increased to preset first torque, and the preset first torque is decreased to zero immediately; and under the condition that the car speed of the target car is within a preset first car speed range, whether an accelerator pedal is completely loosened or not is monitored, and when the accelerator pedal is completely loosened, the driving torque is decreased to preset second torque. Accordingly, through the method, shake of the car is not caused, when the car conducts normal drive, the target torque can be reached rapidly, and the problem that in the prior art, the response of an accelerator is slowed due to the method of decreasing the torque increment is solved.

The invention relates to an electrochromic fiber with a coaxial structure and application of the electrochromic fiber. The electrochromic fiber with the coaxial structure sequentially includes a conductive support fiber, a discoloration layer, an electrolyte layer and a conductive polymer cladding layer from inside to outside; the conductive polymer cladding layer and the conductive support fiberare connected through a first external circuit so as to provide initialization voltage; the two ends of the conductive support fiber are connected through a second external circuit so as to provide working voltage. In the absence of an ion storage layer, the electrochromic fiber also has the advantages of being good in durability and can be applied to the intelligent clothing field, the wearable static display field and other fields.

The invention discloses an automatic screw tightening device and a torque testing method thereof. The automatic screw tightening device comprises a support frame, a screw sucking mechanism, a screw tightening mechanism and a driving mechanism, wherein the screw sucking mechanism is arranged on the support frame and can move along a set track; the screw tightening mechanism is arranged on the support frame and can move along a set track; the driving mechanism is used for driving the screw sucking mechanism and the screw tightening mechanism to move; a first elastic piece is connected between the driving mechanism and the screw sucking mechanism; and a second elastic piece is connected between the driving mechanism and the screw tightening mechanism. By the automatic screw tightening device provided by the invention, the problem that products are impacted can be avoided.

The invention discloses a flexible DC transmission project voltage source converter valve short circuit current test device. Short circuit current branches are formed by an AC short circuit branch and a DC short circuit branch and are parallelly connected onto two ends of two sample valves respectively. Before the short circuit current test begins, a switch is used for selecting a sample valve for executing the short circuit current test, the sample valve and an assistant sample valve are triggered to be in a stable continuous operation state. Through a control strategy, the sample valve generates a short circuit current DC component through the DC short circuit branch. At a proper control point, a short circuit current AC component is introduced through the AC short circuit branch. The short circuit current DC component and the AC component are overlapped and then flow through the sample valve, and the required short circuit test current flows through the sample. The short circuit current equivalent to an actual fault working condition is adopted to check the short circuit current resisting ability of the sample valve, the DC short circuit current component and the AC short circuit current component are flexible and adjustable, the test capacity is large, and the test device is simple in structure and easy to build.

The invention discloses an all-round deepwater tidal current power station which adopts tidal current generated by gravitation of celestial body for power generation, and solves the technical problem that human beings fail to utilize tidal current for power generation. The all-round deepwater tidal current power station (set) comprises anti-dive wave elimination floats, floating current stabilizing trenches or variable-speed floating current stabilizing trenches, floating power station units, suspension wave elimination dykes, single suspension wave eliminators and the like. The suspension wave elimination dykes and the single suspension wave eliminators are capable of completely eliminating storms and surges to enable a deepwater tidal current power station group to withstand attacks of typhoon, billows and surges from any directions. The all-round deepwater tidal current power station and the power station group have the advantage that a superficial sea area 3m in depth has the power generation capacity of more than 1 billion kilowatt hour per day by exerting 30% of utilization ratio of seawater per square kilometer.

The invention discloses an additional air chamber of a volume-variable air spring and relates to an additional air chamber of the air spring for vehicle. The additional air chamber of the volume-variable air spring comprises an additional air chamber cavity, a connecting pipeline for connecting a main air chamber, a piston, a piston rod, a ventilating module, a key groove, a key, a cover plate, an elongated pipeline, and on the like. The additional air chamber can change the volume by controlling the reciprocating motion of the piston, so that the effective volume of the air spring in work is changed, the rigidity of an air spring system is further changed to adapt to various driving situations of vehicles and achieve the purpose of improving the comprehensive performance of a suspension system; as the driving force required during piston movement is small, the ventilating module is timely opened and closed to ensure the stability of the gas pressure at the inner part of the spring, reduce the impact generated in the working process of the spring and provide convenience for the use of the additional air chamber of the volume-variable air spring on the vehicle. The additional air chamber of the volume-variable air spring is simple in structure, low in requirement of producing technique, convenient to maintain and low in manufacturing cost.

The invention provides a special-shaped trajectory control method and device, relates to the field of automatic control. The method comprises a step of receiving original trajectory point data, a step of dividing the original trajectory point data into multiple trajectory intervals according to the trajectory characteristics of the original trajectory point data, a step of fitting the original trajectory point data in each trajectory interval and obtaining a corresponding fitting curve, a step of carrying out discrete processing on the fitting curve of each trajectory interval so as to obtain the 3D coordinates of a corresponding discrete curve point, a step of generating a next interpolation data point position of a synchronous axis according to a predetermined time interval and according to the structure parameters of the synchronous axis and the 3D coordinates of the discrete curve point, and a step of controlling the motion trajectory of the synchronous axis according to the interpolation data point position of the synchronous axis. Thus an acceleration process is more stable and efficient, an error rate is small, and processing equipment is protected. The accuracy is extremely high.

The invention discloses a power supply management system for the intelligent power distribution of an electric automobile charging pile, which comprises a monitoring server (1), a data acquisition module (2), a three-phase circuit shared power supply distribution module (3), a mobile handheld terminal (4) and a charging pile (5); wherein the three-phase circuit shared power supply distribution module (3) comprises a power supply gating switch controller (7) and a three-phase circuit gating switch (6); meanwhile, according to the load condition of each phase of the power supply, some phase of the power supply connection is reasonably adjusted to achieve the balanced load, so that the time-sharing shared charging power supply for charging can provide the loads of more charging piles, and thepower supply is protected, so that the working stability of the charging pile is improved.

The invention discloses a device and a method for preventing pedestrians from running a red light on a sidewalk. The device comprises traffic lights, a sensing system, a prompting system and an directed strong-sound denial system, wherein the sensing system is used for sensing whether red light runners exist when the red light of the traffic lights is lighted, the prompting system is used for prompting the red light runners to stop red light running behaviors when the sensing system sensed the existence of the red light runners, and the directed strong-sound denial system is used for emitting a directed strong-sound acoustic beam to the red light runners in case that the prompting system cannot stop the red light running behaviors.

The invention discloses a 12V direct-current air cooling control module used for monitoring and controlling the rotary speed of a fan freely, saving energy consumption and reducing noise. The 12V direct-current air cooling control module provided by the invention consists of a backboard connector, a hot plug circuit, a filtering decoupling circuit, a high-frequency (PWM) control circuit and a fan connector; the hot plug circuit consists of a filter, a first voltage divider, a current detection resistor, a hot plug controller, a timer, a second voltage divider and a switch tube; the filtering decoupling circuit consists of a common filter and four branched filters; and the high-frequency PWM control circuit consists of a pulse-width modulation controller and a signal electric level presetting circuit. The 12V direct-current air cooling control module provided by the invention can be used for monitoring and controlling the rotary speed of the fan freely and can realize the operations of hot plugging, replacement and the like for the fan, thereby saving a great amount of electricity energy, reducing noise greatly, prolonging the service life of the fan and reducing the operation cost of the system.

The invention relates to a soft contact limit mechanism for isolation layers and belongs to the technical field of engineering structure seismic reduction and isolation. The soft contact limit mechanism for isolation layers comprises limiters, buffers and a reaction support. Both the limiters and the buffers are elastic devices. The limiters are more rigid than the buffers. One end of each limiter is fixed on the reaction support, the other end of each limiter is fixedly connected to one end of the corresponding buffer, and a preserved distance is reserved between the other end of the buffer and the upper floor of an isolation layer. The reaction support is connected with the bottom of the isolation layer. When an earthquake causes large lateral displacement of the isolation layer, the upper floor of the isolation layer collides with the buffers to deform the buffers and the limiters. The buffers are small in rigidity, high impact upon the isolator is avoided during contact, and damage of building structures by impacting is avoided. In addition, the limiters are large in deformation and deforming stiffness, and certain lateral displacement of the isolation layer is allowed and can also be controlled within a safety range.

The invention discloses a liquid cooling plate support buffer structure and a battery pack, and belongs to the technical field of energy storage devices. The liquid cooling plate support buffer structure comprises an elastic heat-insulating support portion, wherein one end of the elastic heat-insulating support portion is in surface contact with a liquid cooling plate, and the other end of the elastic heat insulating support portion is disposed on the bottom of a battery pack box body. The elastic heat-insulating support portion is configured to support and buffer the liquid cooling plate. Firstly, the elastic heat-insulating support portion has a low hardness and certain elasticity, is slowly restorable after deformation, and cannot wear or impact the box body and the liquid cooling platewhen impacted and squeezed, thereby reducing the risk of deformation and leakage of the battery pack. Secondly, the elastic heat-insulating support portion is in surface contact with the liquid cooling plate, and the liquid cooling plate cannot be deformed due to uneven stressed points, thereby avoiding the deformation of the liquid cooling plate due to uneven stressed points when the uneven stressed points is supported by springs, avoiding causing a gap between the liquid cooling plate and the battery pack, and further avoiding affecting the heat dissipation of the battery pack by the liquidcooling plate. In addition, the elastic heat-insulating support portion can be used directly as heat-insulating cotton to save costs.

The invention discloses an antenna power supply device with an accurate current control function on a television and a power supply method thereof. The antenna power supply device comprises an AC-to-DC (Alternating Current to Direct Current) circuit, a DC power supply switch, an antenna power supply circuit with the accurate current control function, a power supply voltage detection circuit, a microprocessor unit, a user instruction receiving unit, a display processing unit and an LCD (Liquid Crystal Display), wherein the output of the AC-to-DC circuit is respectively connected to the DC power supply switch, the microprocessor unit, the user instruction receiving unit, the display processing unit and the LCD. According to the antenna power supply device and the power supply method thereof, on one hand, the power supply current of a satellite antenna can be set accurately, and reliable hardware measures for overcurrent protection or short-circuit protection can be provided so as to protect a front-end power supply source from influences; and on the other hand, when the antenna power supply voltage is in short circuit or other faults causing the fact that a satellite antenna has no power supply voltage occur, the microprocessor can be used for intelligently cutting off the power supply of the antenna, and meanwhile, information for prompting a user on an antenna power supply fault is displayed on a television screen.

The invention relates to a contact system used for a double-breakpoint plastic casing breaker. The contact system comprises a moving contact, a first static contact, a second static contact, a rotation shaft, two fixed shaft pins, two sliding shaft pins and two springs. The rotation shaft is provided with a radially through model trough hole and two concave arc-shaped steps are symmetrically arranged in the model trough hole. The moving contact penetrates through the model trough hole to be arranged, two concave arc-shaped sliding faces are symmetrically arranged at both sides of the moving contact, and the two concave arc-shaped sliding faces are corresponding to the two concave arc-shaped steps in the model trough hole. With the adoption of the contact system of the invention, the moving contact does not have falling phenomenon during short circuit breaking, and energy generated by fast opened moving contact can not have impact on an outer casing of the breaker.

The invention relates to a vibrating screen ore-feeding device which is characterized in that the vibrating screen ore-feeding device comprises a totally enclosed cylindrical box; a sealing cover is arranged above a cylindrical box; triangle lifting holes are formed on bilateral sides of the sealing cover and a spray-proof sealing door and an ore-feeding pipe are arranged in the center of the sealing cover; the middle of the cylindrical box is provided with a buffering ore pulp feeding center cylinder and an ore discharging hole is formed on the lateral wall of a center cylinder; the inner wall of the cylindrical box, the bottom of the cylindrical box, the inner wall of a center cylinder and the outer wall of a center cylinder are respectively provided with a wear-resistant plate; the outer side of a center cylinder is provided with 2N ore separating plates which separate the cylindrical box into N ore separating areas and N ore discharging areas, the lower portion of every ore discharging area is provided with an ore discharging pipe, and an outlet of the external end of every ore discharging pipe is arranged into a fan shape; a wear-resistant composite ore-feeding ball valve is arranged above every ore discharging pipe and an adjusting screw rod, an adjusting nut and a hand wheel are connected above every ore-feeding ball valve; and eight trapezoidal reinforcing-rib plates are uniformly arranged outside the cylindrical box along a periphery. The vibrating screen ore-feeding device has the advantages of achieving the uniform ore-feeding operation, improving the screening efficiency, being capable of automatically adjusting the flow of ore pulp and good in wear resistance and extending the service life.

The invention discloses a motor transporting method with a high protection effect and relates to the technical field of transporting devices. A box is involved. The two sides of the top of the inner wall of the box and the two sides of the bottom of the inner wall of the box are fixedly connected with connecting plates correspondingly, and one sides of the connecting plates are fixedly connected with shells correspondingly. The bottoms of the inner walls of the shells are fixedly connected with movable plates correspondingly, and the ends, extending into the shells, of movable rods are movablyconnected with gears correspondingly. The two sides of the movable plates are fixedly connected with gear teeth engaged with the gears correspondingly, and slide grooves matched with rollers are formed in the surfaces of pulleys. According to the motor transporting device with the high protection effect, the tops and bottoms of the two sides of the inner wall of the box are fixedly connected withtelescopic rods, buffering is achieved during transporting, a motor is not impacted, a box door is hinged to the surface of the box through hinges, since the weight of the motor is low, labor can besaved greatly by using a small handcart, and the working intensity of a worker can be greatly relieved.

Systems and methods for air purification within an incubator using germicidal irradiation from an ultra-violet (UV) light source that is integrated in a path from ambient air into the cavity of an incubator.