10results about How to "Realize automatic compensation" patented technology

The embodiment of the application provides a kind of multi-station press balancer air pressure's adjusting method, system, equipment and medium, belong to multi-station press field.It includes: the mass parameter of the mould on each station of multi-station press, center of gravity offset, the structural parameter of balancer, the distance from balancer to slider center, no-load air pressure and safety air pressure parameter;According to the above parameters, the required off-load compensation force of balancer is calculated, and the target air pressure value required by balancer is calculated in combination with no-load air pressure;And based on target air pressure value and safety air pressure parameter, determine the upper and lower limit of air pressure;The actual air pressure value of left and right balancer is collected in real time by pressure sensor;And compare actual air pressure value with air pressure upper and lower limit, based on operating state and comparison result control air intake or exhaust.Can realize the automatic compensation of multi-station press off-load, avoid the eccentric force of slider caused by the weight difference of mould, improve the running safety, stability and die changing efficiency of press.

The embodiment of the invention provides a laser operation control method and device, a laser monitoring circuit and a storage medium, and relates to the technical field of optical communication. According to the method, the anode of a laser is connected with a positive voltage source, the cathode of the laser is connected with a current detection module in series, and a signal conditioning module is combined to accurately amplify sampling voltage, so that an MCU can acquire and calculate an actual bias current value with high precision, and a control instruction is generated based on the deviation between the value and a preset target value; and the negative power supply voltage output to the cathode of the laser by the voltage regulation module is dynamically regulated to form closed-loop feedback control, so that the real-time monitoring and automatic compensation of the bias current are realized, the current drift caused by temperature change and device aging is inhibited, the stability of the working point of the laser is ensured, and the long-term reliability of the light emitting power and the extinction ratio is improved.

The invention provides a wheel end power supply device, a wheel assembly, a vehicle and a wheel end power supply method.The wheel end power supply device comprises a shell used for being fixed to brake calipers, and a containing cavity is formed in the shell; the worm is arranged in the containing cavity, and the first end of the worm penetrates through and is exposed out of the shell; the driving assembly is arranged in the containing cavity and drives the worm to ascend or descend; the disc spring is fixedly connected with the first end of the worm; the two contact heads are fixedly connected with the surface of one side, back on to the worm, of the disc spring; and the two power receiving guide rails are used for being fixed to the inner side of the rim and are arranged corresponding to the two contact heads. According to the invention, the driving assembly is used for driving the worm to ascend, so that the disc spring and the contact head are driven to ascend, the contact head is in contact with the power receiving guide rail, the disc spring deforms, and when the power receiving guide rail generates a movement trend of separating from the contact head, the disc spring restores partial deformation and pushes the contact head to be in close contact with the power receiving guide rail. And good contact between the contact head and the power receiving guide rail can be kept all the time.

This invention discloses a snap-fit ​​high-precision countersinking tool for use in the field of countersinking tools, including a radial tool delivery transmission structure. The radial tool delivery transmission structure includes a tool slide that meshes with a toothed gear and a half-tooth gear. The tool slide achieves radial tool delivery via a transmission shaft and transmission components, and returns to its original position after delivery with the help of a tension spring. It also includes a pressure sensor and a sensing column for detecting displacement pressure changes, and a tool feed control unit that adjusts the position of the support unit via a cylinder insert. This improves machining accuracy and efficiency, ensuring that the tool body accurately reaches the preset working height each time it is delivered, effectively reducing machining depth deviation caused by tool wear. Simultaneously, the pressure detection of the sensing unit and the closed-loop feedback mechanism of the tool feed control unit enable real-time verification and automatic compensation of tool displacement, effectively reducing manual intervention and downtime.

This invention discloses a liquid storage compensation device and its two-stage circulating liquid cooling system, relating to the field of liquid cooling heat dissipation technology. It includes a heat dissipation assembly comprising a housing body, heat sinks disposed within or connected to the housing body, at least one cooling fan, and a protective shell cooperating with the cooling fan; a liquid storage compensation tank; a first pipeline and a second pipeline communicating with the heat dissipation assembly and the liquid storage compensation tank; the liquid storage compensation tank being provided with a mounting plate for fixing the liquid storage compensation tank to a chassis, cabinet, or support structure; and a control plate disposed on the heat sinks, the control plate having a connection port and a diversion port, the connection port communicating with at least one of the first or second pipelines, and the diversion port diverting coolant entering through the connection port to multiple flow paths on the heat sinks.

The utility model discloses a kind of for wind turbine gear box oil temperature automatic compensation device, including oil tank, including the box of rectangle, bottom interlayer being arranged at the bottom of box, resistance wire being arranged inside bottom interlayer;Adjusting component, including the top box being fixed in the top of box, solenoid valve being installed in the top box, the connecting pipe being connected in the bottom end of solenoid valve and extending into the inside of box;Through the design of curved heat dissipation copper pipe and resistance wire, can complete heat dissipation and heating to oil respectively, realize the automatic compensation to oil temperature, and when needing to carry out heat dissipation, oil can be made to carry out heat dissipation by curved heat dissipation copper pipe, when needing to heat, oil will not pass through curved heat dissipation copper pipe, this design makes the heat dissipation and heating of oil tank to oil carry out respectively in two different positions, and it is not only flexible and convenient to adjust, and will not interfere with each other, beneficial to the normal lubricating effect of gear box.

The invention discloses a polar zero cancellation circuit and method capable of automatically and correctly compensating, relates to the technical field of radiation measurement equipment, adopts a combination of a digital potentiometer and a high-speed comparator, realizes automatic compensation of the circuit, does not need complex calculation or tedious replacement process, and improves debugging efficiency. The output result can guide the improvement of a subsequent circuit, such as the simplification of the circuit. And when the output results are enough, empirical judgment can be given out according to the compensation effect of the pole zero cancellation circuit, and detection and maintenance of a part of circuits are facilitated. And the digital controllable potentiometer can select whether compensation is needed or not and the compensation effect according to the actual application requirement, so that the digital controllable potentiometer has a wide application range.

The utility model discloses a piezoelectric sensor. The piezoelectric sensor comprises a conversion module, a first signal amplification module and a charge compensation module, wherein the conversion module is used for receiving charges generated by a piezoelectric material, converting the quantity of the charges into a first voltage signal and outputting the first voltage signal; the first signal amplification module is used for receiving the first voltage signal, amplifying the first voltage signal into a standard industrial signal and outputting the standard industrial signal; and the charge compensation module is used for receiving the first voltage signal, generating a second voltage signal based on the voltage of the first voltage signal, and outputting the second voltage signal to the input end of the first signal amplification module so as to realize automatic compensation of the leakage charge quantity of the piezoelectric material. According to the piezoelectric sensor provided by the embodiment of the invention, a charge compensation function is introduced aiming at the characteristic that charge leakage occurs when a traditional piezoelectric sensor detects a static force, and when the static force is measured and the measuring force is not changed, the charge can be kept relatively unchanged, so that static measurement is completed.

The utility model relates to control valve technical field, concretely is a kind of flat plate type high wear-resisting multiway distribution valve, including valve body, the inside of valve body is equipped with multiple valve core driven by driving rod drive to advance, the side of valve body is fixed with valve cover, the inside of valve cover is fixed with sealing seat, sealing seat is equipped with the valve cavity corresponding with valve core position one to one, the inside of every valve cavity can detachably install wear-resisting nested ring, the inside of wear-resisting nested ring is embedded and is installed with flexible sealing ring, and the rear end of every valve core is equipped with the self-adapting compensation mechanism by auxiliary sealing snap ring and spring piece. The flat plate type high wear-resisting multiway distribution valve effectively improves the wear resistance and sealing reliability of valve core and valve body mating surface, reduces internal leakage, improves control accuracy, prolongs service life, and is suitable for stable operation under high-frequency commutation and high-pressure working condition.

The utility model discloses quick butt welding equipment for PVC (polyvinyl chloride) pipes, which comprises a base, a heating module, a clamping mechanism and a control system, guide rollers with V-shaped grooves are arranged at two ends of the base, and the quick butt welding equipment can adapt to axial positioning of different pipe diameters; the heating module is of a vertically symmetrical heating block structure, the inner surface of the heating module is covered with an elastic heat conduction pad, independent temperature control heating units are evenly distributed in the circumferential direction of the interior of the heating module, and accurate pressure control is achieved through a driving air cylinder. The clamping mechanism is provided with a bidirectional lead screw to drive a synchronously adjusted fixing clamp and is combined with a laser centering sensor to realize automatic alignment of the end face of the pipeline; the control system integrates temperature, pressure and photoelectric sensing modules and monitors welding parameters in real time. The equipment has the characteristics of rapid remodeling and multi-specification compatibility, the welding quality is improved through partition temperature control and a flexible heat conduction structure, and the problems that traditional PVC pipe welding is low in efficiency and large in alignment deviation are effectively solved.