60results about How to "Speed effect" patented technology

A printing apparatus and method of detecting a color registration error are provided. A detecting unit detects registration marks comprising a plurality of toner marks. The registration marks are formed on a transfer medium to detect color registration errors of color images. Each toner mark of the registration marks includes a first component inclined with respect to a main scanning direction and a sub-scanning direction, a second component spaced apart from the first component in the sub-scanning direction, and inclined with respect to the first component, and a third component parallel to one of the first component and the second component.

The invention discloses a sugarcane delivery roller and relates to the technical field of sugarcane harvester fabrication. The sugarcane delivery roller comprises a mandrel and a plurality of delivery discs sleeved on the mandrel, a plurality of radial grooves are formed in each delivery disc, a radial movable block with teeth distributed at the outer edge is arranged in each radial groove, and a spring is arranged between the bottom of each radial groove and the radial movable block. Compared with the prior art, the radial movable blocks on the delivery discs, which rotate relatively can form row pressure unit blocks to sugarcanes of various sizes, clamp the sugarcanes of various sizes through certain clamping force respectively, and the sugarcanes of various sizes can be clamped respectively, so that the sugarcanes can be sent to the stripping process at a stable speed, sugarcane surrounding and blocking of stripping rollers is prevented, and the production efficiency is improved.

The fan rotation speed controlling system controls fan based on one reference clock. The reference clock has one reference frequency, and the fan rotation speed is corresponding to one fan rotation speed signal. In the controlling system, the control unit compares the reference clock with the fan rotation speed signal to output one speed controlling signal; the voltage generating circuit generates one potential signal corresponding to the speed controlling signals; and the driver unit generates one drive signal to control the rotation speed of the fan based on the potential signal. The control system makes it possible to obtain different rated rotation speed with the same winding via altering the reference frequency, and this results in low production cost.

The invention discloses a double closed loop control direct-current speed regulation system based on linear driving. The double closed loop control direct-current speed regulation system based on linear driving is characterized by being composed of a transformer T, a rectification filter circuit, a double closed loop control circuit connected with the output end of the rectification filter circuit, a fine adjustment circuit connected with the double closed loop control circuit, a linear driving circuit connected with the secondary side of the transformer T, a voltage stabilizing circuit connected with the linear driving circuit, an operational amplification circuit connected with the output end of the voltage stabilizing circuit, and an output circuit connected with the output end of the operational amplification circuit, both the double closed loop control circuit and the fine adjustment circuit are connected with the primary side of the transformer T, the liner driving circuit is composed of a driving chip U2, a triode VT3, a triode VT4, a triode VT5, a triode VT6, a polar capacitor C10 and the like, the positive electrode of the polar capacitor C10 is connected with a dotted terminal of an inductance coil L of the secondary side of the transformer T, and the negative electrode of the polar capacitor C10 passes through a resistor R16 and then is connected with an IN1 pin of the driving chip U2. According to the double closed loop control direct-current speed regulation system based on linear driving, due to the fact that the linear driving circuit is adopted, the speed regulation system is made more stable.

The invention belongs to the technical field of fire-fighting fans, and specifically relates to a high-temperature-resistant fire-fighting smoke exhaust fan, which includes an outer cylinder body, a fixing seat is provided at the bottom of the outer cylinder body, and a motor is installed inside the outer cylinder body through a fixing rod, and the motor includes a housing With the rotating shaft, the left end of the rotating shaft is located outside the casing and is equipped with a No. 1 fan. The right end of the rotating shaft is rotated and installed on the inner wall of the right side of the casing. There is a channel inside the rotating shaft, and an auger is installed inside the rotating shaft; The left end of the auger, the right end of the auger passes through the right wall of the rotating shaft and the right wall of the housing and is provided with the No. There is a vertical flow channel connecting the horizontal flow channel; there are flushing holes for the No. 1 fan and the No. The controller, the controller is used to control the work of the fan.

An embodiment of the invention discloses a webpage displaying method and device, a terminal and a storage medium, and belongs to the technical field of computers. The method comprises the following steps: in a process of receiving webpage resource data, analyzing and typesetting first resource data to obtain a corresponding display content; acquiring a first height for showing the height of the display content; and if the first height is not smaller than a first threshold value, rendering and displaying the display content corresponding to the first resource data, wherein the webpage resourcedata are used for displaying all contents of target webpages, and the first resource data are part of data which have been received in the webpage resource data. Because part of data in the webpage resource data are analyzed and typeset in a process of receiving the webpage resource data in the scheme, a browser can display the display content of the first height when receiving the part of webpageresource data, influence of the size of the webpage resource data to webpage displaying speed is relieved, and the webpage displaying speed of the browser is increased.

The invention discloses a direct-current speed adjusting system with an overvoltage and overcurrent protection circuit. The direct-current speed adjusting system is mainly composed of a transformer T, a rectifier filter circuit, a double-closed-loop control circuit connected with an output end of the rectifier filter circuit, a fine tuning circuit connected with the double-closed-loop control circuit, a voltage stabilizing circuit connected with an auxiliary side of the transformer T, and an output circuit. The direct-current speed adjusting system is characterized in that the overvoltage and overcurrent protecting circuit is arranged between the voltage stabilizing circuit and the output circuit and composed of a protecting chip U2, a triode VT1, a triode VT2, a triode VT3, a capacitor C8 and a diode D5, one end of the capacitor C8 is connected with a CONT pin while the other end of the same passes through a capacitor C9 and then is connected with a base electrode of the protecting chip U2, and an N pole of the diode D5 is connected with a VCC pin of the protecting chip U2 while a P pole of the same is connected with a TR1 pin of the protecting chip U2. The overvoltage and overcurrent circuit can automatically execute protection action when current or voltage on an electricity load is overloaded, so that the load and the direct-current speed adjusting system are avoided being damaged.

The invention relates to the technical field of antenna installation, in particular to an antenna installation bracket suitable for narrow spaces. The antenna installation bracket includes a fixed frame and a transport vehicle. The transport vehicle includes an outer compartment, a brake pad, a centrifugal turntable, a dynamic friction disc and a centrifugal slider; the outer compartment is provided with wheels, the brake pad is fixedly arranged in the outer compartment, and the centrifugal turntable is installed in the outer compartment. , and is connected with the wheel transmission to rotate under the drive of the wheel, and the installation structure is arranged in the centrifugal turntable; the dynamic friction disc is arranged on the centrifugal turntable so that it can move up and down, and rotates with the centrifugal turntable; the centrifugal slider is arranged on the installation structure and is located at Below the moving friction disc. In the present invention, when the wheel drives the centrifugal turntable to rotate at an accelerated speed, under the action of centrifugal force and the guidance of the installation structure, the centrifugal slider moves outward and upward relative to the centrifugal turntable, and then pushes the dynamic friction disc to move upward and contact the brake pads to reduce the The rotation speed of the wheels can reduce potential safety hazards by actively limiting the speed of the vehicle.

The invention discloses a sugarcane delivery roller and relates to the technical field of sugarcane harvester fabrication. The sugarcane delivery roller comprises a mandrel and a plurality of delivery discs sleeved on the mandrel, a plurality of radial grooves are formed in each delivery disc, a radial movable block with teeth distributed at the outer edge is arranged in each radial groove, and a spring is arranged between the bottom of each radial groove and the radial movable block. Compared with the prior art, the radial movable blocks on the delivery discs, which rotate relatively can form row pressure unit blocks to sugarcanes of various sizes, clamp the sugarcanes of various sizes through certain clamping force respectively, and the sugarcanes of various sizes can be clamped respectively, so that the sugarcanes can be sent to the stripping process at a stable speed, sugarcane surrounding and blocking of stripping rollers is prevented, and the production efficiency is improved.

The invention provides a rotary milling vibration measuring instrument, comprising a milling handle, a vibration sensor, a power supply system and a signal transmission system. The vibration sensor comprises a built-in IC piezoelectriccrystal acceleration sensor and a constant current source circuit; the signal transmission system collects signals outputted by the vibration sensor, stores data, encodes the data, transmits the encoded data by a wireless transmission mode, and receives, decodes and stores wireless signals; and the power supply system supplies electricity for the sensor in the milling handle and the circuit by adopting an electromagnetic induction mode. In the device, the vibration sensor is arranged in the milling handle to ensure that the milling handle itself has the function of testing the vibration signals, and the handle has simple structure and convenient manufacture. The inductive power supply system ensures that power supply is not affected by rotation of the handle. The wireless transmission mode ensures that a signal receiving end is properly far away from the cutting area.

Disclosed in the embodiments of the present invention is a method for enabling Wi-Fi / a hotspot, the method comprising: receiving a Wi-Fi / hotspot enabling instruction, reading a configuration file corresponding to the Wi-Fi / hotspot enabling instruction to determine a target firmware corresponding to the Wi-Fi / hotspot enabling instruction and loading same; establishing a socket connection with the target firmware; if the socket connection establishment fails, acquiring a history loading period corresponding to the target firmware, calculating the average loading period with the history loading period; and determining on the next occasion, according to the average loading period, a first execution time for establishing a socket connection with the target firmware, establishing a socket connection with the target firmware when the first execution time is reached. Also, further provided in the embodiments of the present invention is a device for enabling the Wi-Fi / hotspot. The embodiments of the present invention can improve the speed of enabling the Wi-Fi / hotspot.