131results about How to "Short switching time" patented technology

The utility model discloses a multi-size compatible wafer loading disc, which comprises a bearing disc, a plurality of supporting mechanisms capable of adjusting the balance of the bearing disc are installed at the lower end of the bearing disc at equal angles, and a sensor fixing piece is installed on one side of the bearing disc. A plurality of limiting guide nails for guiding and limiting wafers are detachably mounted on the upper surface of the bearing disc; according to the utility model, the limiting guide nails are matched with the guide nail grooves in the coarse positioning scribed lines, so that the limiting guide nails can be mounted in the guide nail grooves in the corresponding coarse positioning scribed lines according to the bearing requirements of wafers with different sizes, and the multi-size compatibility is realized by arranging the limiting guide nails at different positions of the guide nail grooves; according to the method, whether the position of the wafer has large deviation or not is confirmed through routing inspection of the coarse positioning scribed line, the process switching time is effectively shortened, the risk in the compatible switching and dismounting process is effectively reduced, and better guarantee is provided for the stability in the wafer bearing field.

The invention belongs to the technical field of dual-computer hot standby, and discloses a dual-computer hot standby system and a dual-computer switching method. The dual-machine hot standby system comprises a machine A and a machine B which are hot standby for each other, and an internal switch; one of the A machine and the B machine is a host used for performing data communication with an external system, and the other one is a slave used for backing up data of the host; the machine A and the machine B are connected with an external system through respective external communication interfaces; and the machine A and the machine B are connected with respective reflective memory cards through optical fibers to serve as main synchronization channels, and are connected with an internal switch through the Ethernet to serve as a standby synchronization channel through respective internal communication network ports, so that data synchronization and backup between the machine A and the machine B are realized. The invention further provides a corresponding switching method. According to the invention, the reliability and stability of long-time uninterrupted operation of the dual-computer hot standby system can be improved, the switching recovery time is shortened, and the requirements of different network environments and application scenes can be met.

The invention discloses a color changing device and a temperature self-adaptive color changing control method thereof, and belongs to the technical field of electrochromism, the color changing device comprises an electrochromism device, a power supply and a control module, the electrochromism device comprises two conductive layers and gel electrolyte arranged in the two conductive layers; the power supply is electrically connected with the two conductive layers; the control module is connected with the power supply; and a polymer-based gel electrolyte is arranged in the electrochromic device. In the application, the control module utilizes the cooperation of the photosensitive sensor and the temperature sensor, and accurately and automatically adjusts the transmittance and the reflectivity of the electrochromic device in real time according to the external light intensity change and the temperature change, so that the color changer can reach the required observation state at different temperatures, and the use requirements are met.

The invention relates to an intelligent power supply switching method suitable for a power station, and aims at solving the problems that an existing spare power automatic switching device is low in response speed, single in starting condition, incomplete in switching-on logic and the like. According to the invention, parameters such as voltage, frequency, phase and current of the power supply are monitored in real time, and various switching logics such as rapid closing, synchronous capture closing, residual voltage closing and long delay closing are combined, so that rapid and safe switching between the main power supply and the standby power supply is realized. The system supports various triggering modes such as manual starting, protection starting, voltage loss starting, reverse power starting and non-current starting, and can adapt to complex scenes such as single-bus segmentation, single-bus and isolated network operation. Through an embedded hardware platform, a DSP + ARM + CPLD architecture is adopted, the system has efficient data acquisition and logic operation capability, and the switching time can be shortened to be within 10 milliseconds. Meanwhile, multiple safety mechanisms such as overcurrent protection, reverse power protection and decoupling protection are provided, and misoperation and parallel operation risks in the switching process are avoided.

The utility model discloses an aluminum cover measuring device convenient for positioning, which comprises a bottom frame and a rotating disc, the rotating disc is movably arranged at the center of the top of the bottom frame, left support frames are symmetrically arranged at the top end of the bottom frame on one side of the rotating disc, and sliding arms are arranged at the tops of the left support frames. A connecting frame is mounted on the outer wall of the side, close to the rotating disc, of the sliding arm, a left air cylinder is arranged at the top end of the connecting frame, a right supporting frame is mounted at the top end of the bottom frame on the other side of the rotating disc, and a right air cylinder is mounted at the top of the right supporting frame. According to the utility model, the aluminum caps can be conveniently and continuously conveyed for rotary measurement, conveying and collection, the movement control adjustment can be conveniently and rapidly carried out, the time for switching between the aluminum caps during measurement is shortened, the aluminum caps can be conveniently and better picked and conveyed, and the efficiency of large-batch measurement of the aluminum caps is improved; and the convenience of collecting the measured aluminum caps is improved.

The invention discloses a low-field nuclear magnetic resonance exploration device and method capable of effectively shortening dead zone time, and relates to the field of electric signal acquisition, and the device comprises an upper computer which is used for communicating with a main control circuit; the main control circuit is used for controlling and collecting the core and comprehensively controlling the work of the device; the power amplification circuit is used for amplifying the power signal input by the main control circuit and then transmitting an alternating current pulse to excite the coil; the beneficial effects of the invention are that the coil employs a transmit-receive integrated differential structure, which inhibits common-mode noise interference and improves the signal-to-noise ratio of detection; the Q-conversion circuit reduces the quality factor of the coil through parallel connection of energy discharge resistors at the two ends of the coil, the purpose of rapidly discharging energy stored in the coil is achieved, and the dead time can be effectively shortened; the high-isolation fast-switching radio frequency switch can effectively reduce the insertion loss and the generated noise, significantly reduce the switching time, further shorten the dead zone time, and improve the detection effect of a short relaxation target body.

The invention belongs to the technical field of electric power engineering, and discloses a system and method for measuring the grounding resistance of a tower in a grounding looped network, and the system comprises a data obtaining module which is used for obtaining the current values and voltage values of a grounding line in different switching states in different environments; the first data processing module is used for calculating grounding resistance values in different grounding lines according to the current values and the voltage values of the grounding lines in different switching states in different environments; preprocessing the grounding resistance values in the different grounding lines to obtain grounding resistance data sets in the different grounding lines; the resistance change prediction module is used for training according to the grounding resistance data sets in different grounding lines to obtain a line tower grounding resistance prediction model, and predicting the change trend of the line tower grounding resistance through the line tower grounding resistance prediction model; accurate monitoring of the grounding resistance is achieved, potential problems can be found as early as possible, and the fault risk is reduced.

The utility model relates to the technical field of network communication, and especially relates to a dual-channel fast switching network device comprising a main channel module which comprises a main network port, a main controller and a main processing unit; the standby channel module comprises a standby network port, a standby controller and a standby processing unit, and the standby channel module is in communication connection with the main channel module; the state monitoring module is arranged at the main channel module and is used for monitoring the main channel module in real time; and the switching control module is electrically connected with the state monitoring module and receives monitoring information of the state monitoring module on the main channel module, and the switching control module is electrically connected with the main channel module and the standby channel module and controls whether the main channel module and the standby channel module are switched or not. According to the utility model, when the abnormity of the main channel is detected, the switching operation is carried out, and the switching time is shortened to a sub-millisecond level, thereby meeting the requirements of application scenes with higher real-time requirements.

The invention belongs to the technical field of electronics, and discloses an MOS (Metal Oxide Semiconductor) high-side driving circuit, which comprises a bootstrap circuit, a switch control circuit, a low-impedance circuit and an MOS field effect transistor, the bootstrap circuit is used for providing input voltage for the low-impedance circuit; the switch control circuit comprises a turn-on control circuit and a turn-off control circuit; the switch control circuit is used for converting a received externally sent logic signal into an electric signal directly acting on the low-impedance circuit and sending a control signal to the low-impedance circuit; the low-impedance circuit is used for quickly responding after the MOS field-effect tube receives the turn-on or turn-off signal, so that efficient circuit control is realized; and the MOS field effect transistor is used as a switch tube, different control signals are applied through the switch control circuit, and the MOS field effect transistor is switched between a conduction state and a cut-off state, so that the switching function of the logic gate is realized. By designing the low-impedance turn-on loop and turn-off loop, the switching time of the MOS tube is determined by the driving resistor, and the switching time can be obtained through the resistance value of the driving resistor, so that the switching time of the MOS tube is shortened, the high-frequency switching characteristic of the MOS tube is ensured, and a premise is provided for PWM control and protection functions.

This application discloses a five-roll embossing machine, including a machine body, an embossing assembly, a paper feeding assembly, a main drive assembly, and a pressing roller. The embossing assembly includes five embossing rollers, a pair of main gears, and a pair of positioning assemblies. The pair of main gears are rotatably mounted on both sides of the machine body and driven to rotate by the auxiliary drive assembly. Each embossing roller is provided with a quick-release assembly at both ends. The quick-release assembly includes a bearing groove, a toothed cover, several pressure covers, and a fastening assembly. The fastening assembly achieves simultaneous locking of all pressure covers and toothed covers by a single bolt operation through a linkage. The main drive assembly drives the working position embossing roller and the pressing roller to rotate synchronously. The positioning assembly performs precise circumferential positioning of the main gears. This invention solves the problems of cumbersome roller changing, long time consumption, and low positioning accuracy of existing embossing machines, realizes quick roller changing by a single person and seamless switching of five patterns, and greatly improves production efficiency and equipment versatility.

According to the laser diode modulation driving circuit provided by the utility model, after a power supply is switched on, the laser diode LD can emit modulation laser with specified frequency. According to the scheme, only one laser diode is used for emitting modulated laser, matching of light path elements is not needed, and use is convenient. According to the technical scheme, the Q2, the Q3, the C1 and the C2 form positive feedback connection, so that the Q1 can maintain stable on and off states, and the switching time of the on and off states is extremely short; and because the R3, the C1, the R4 and the C2 form two charging circuits for timing, the Q1 can maintain the current on or off state for a time determined by the resistance values and the capacitance values of the R3, the C1, the R4 and the C2 and then switch to the other state. Therefore, after the power supply is switched on, the Q1 continuously performs switching between the on state and the off state, and the laser diode LD can emit the modulation laser with the specified frequency, so that the technical problems mentioned in the background technology are solved.

The utility model belongs to the field of line drawing and seeding in the grassland industry, in particular relates to a line drawing and seeding device for the grassland industry, and aims to solve the problems that the conventional line drawing device can only draw lines in the use process, needs different devices in the seeding process, is tedious, time-consuming and troublesome to operate, and cannot flexibly adjust the angle of a pushing handle. The device comprises a bottom plate, moving wheels convenient to move are installed on the two sides of the bottom plate, universal wheels convenient to steer are fixedly arranged on one side of the bottom of the bottom plate, a fixing plate is fixedly arranged on the top of the bottom plate, the top end of the fixing plate is in a U shape, and the inner walls of the two sides of the fixing plate are rotationally connected with the same rotating shaft; by means of the sowing mechanism and the line drawing machine, line drawing and seed sowing can be achieved, double functions are achieved, the practicability is improved, meanwhile, the equipment switching time is shortened, the working efficiency is improved, the angle of the pushing handle can be adjusted and fixed through the rotating shaft and the fixing mechanism, and therefore different persons can push the pushing handle conveniently.

The invention provides a dual-motor control structure of a high-pressure cleaning vehicle. The dual-motor control structure comprises a chassis high-voltage power supply, a motor controller connected with the chassis high-voltage power supply, a high-voltage distribution box, a signal relay box, an upper controller, a first motor and a second motor, wherein the high-voltage distribution box, the signal relay box and the upper controller are connected with the motor controller; the first motor and the second motor are both connected with the high-voltage distribution box and the signal relay box, and the top-mounted controller is further connected with the high-voltage distribution box and the signal relay box. By means of the mode, the two motors are controlled through one motor controller, switching work of the two motors can be achieved through one key, the switching time is shortened, and the cost is reduced.

The embodiment of the invention provides a control method of swimming pool cleaning equipment and the swimming pool cleaning equipment. Relates to the technical field of cleaning equipment control. The swimming pool cleaning equipment comprises a power assembly and a buoyancy adjusting assembly. The buoyancy adjusting assembly comprises a fluid exchange port. The control method comprises the steps that in response to a floating instruction, the power assembly is controlled to operate in a first working state so as to drive the swimming pool cleaning equipment in water to move towards the water surface; under the condition that the swimming pool cleaning equipment is not exposed out of the water surface, the buoyancy adjusting assembly is started, and the buoyancy adjusting assembly continuously operates until the swimming pool cleaning equipment floats on the water surface; when the swimming pool cleaning equipment is immersed in the water, the swimming pool cleaning equipment and the external water body are subjected to fluid exchange through the fluid exchange port; and after the fluid exchange port moves to be exposed out of the water surface, external air is introduced into the swimming pool cleaning equipment through the fluid exchange port. According to the method, rapid switching between the under-pool cleaning mode and the water surface cleaning mode is achieved, and the overall efficiency of cleaning operation is improved.

The utility model belongs to mould technical field especially is a kind of multi-product common die structure, including lower bolster plate, the upper surface both sides of lower bolster plate are all fixedly connected with lower foot pad, the top of lower foot pad is fixedly connected with lower die holder, the upper surface of lower die holder is installed with lower backing plate, the upper surface of lower backing plate is fixedly connected with guide pillar.The utility model can be punched to product one by the setting of drawing punch, punching punch, chamfering punch, ejector pin one and ejector pin two, and it can be replaced design, can be replaced as drawing punch two, punching punch two, chamfering punch two, ejector pin five and ejector pin six, so as to be able to punch to product two, so as to realize when switching product without overall replacement mould, greatly shorten product switching time, improve production flexibility, also greatly improve the reuse rate of mould, reduce equipment investment and cost.

The application provides a semiconductor device manufacturing method and a semiconductor device. The method comprises the following steps: providing a semiconductor substrate, a first trench is formed in the semiconductor substrate, a field oxide layer is formed on the side wall and the bottom wall of the first trench, so that a space outside the surface of the field oxide layer in the first trench forms a second trench, and the first conductive material is filled in the second trench. The field oxide layer of the side wall of the first trench is removed to a first set depth to form a third trench. A barrier layer is formed on the bottom wall of the third trench, a gate oxide layer is formed on the side wall of the third trench, at least two separated gates are formed in the space outside the surface of the gate oxide layer in the third trench, the barrier layer is removed, and the gap between the separated gates is filled. Then, the space between the bottom of the separated gate and the upper surface of the field oxide layer forms an air layer. Due to the introduction of the air layer, the gate leakage capacitance and the gate-source capacitance are reduced, the switching loss and the conduction loss are reduced, and the opening rate of the device is improved.

The invention discloses an optical system and method for measuring the axial length of the eye, the optical system comprises an OCT light source module, an OCT imaging module, a posterior segment OCT sample arm module and an anterior segment fracture imaging assembly, the OCT light source module provides measuring light, the measuring light penetrates through the posterior segment OCT sample arm module and then enters the fundus of the human eye to be measured, and the anterior segment fracture imaging assembly is used for imaging the anterior segment fracture. The OCT imaging module receives the measuring light to obtain a posterior segment OCT image; the anterior segment fissure imaging assembly comprises an anterior segment fissure light source module, an anterior segment fissure imaging module and an anterior segment fissure imaging adjusting light path module, the anterior segment fissure light source module provides fissure light, and the fissure light penetrates through the anterior segment fissure imaging adjusting light path module and then is focused on the anterior segment of a person to be detected; the anterior segment fissure imaging module receives the fissure light to obtain an anterior segment fissure image; and respectively acquiring first optical path data and second optical path data by using the posterior segment OCT image and the anterior segment fracture image so as to calculate the axial length of the eye. According to the invention, the influence of eye movement of the to-be-measured eye is avoided, and the eye axis length measurement precision is improved.

The invention discloses a thienyl quinoxaline compound and a preparation method thereof, a polymer, an electrochromic material and an electrochromic device. The thienyl quinoxaline compound has a structural formula shown as a formula (I): # imgabs0 #, wherein R1, R2, R3 and R4 are independently selected from halogen, C1-18 alkyl, C6-20 aryl or aryl substituted by halogen, nitro, amino, hydroxyl or carboxyl; a polymer formed by polymerizing the thienyl quinoxaline compound has the advantages of low driving voltage, high contrast ratio, short switching time and good stability.

The utility model discloses a head embedded sleeve mould, including first sleeve mould and second sleeve mould, first sleeve mould includes first mould cover, first mould core, and second sleeve mould includes second mould cover, second mould core, the first mould core of first sleeve mould is sleeved in the second mould core of second sleeve mould, the first mould cover of first sleeve mould is sleeved in the second mould cover of second sleeve mould, between the guide material cone of first mould core and the guide material cone of second mould core, between the guide material cone hole of first mould cover and the guide material cone hole of second mould cover respectively form smooth guide material cone transition surface and cone hole transition surface, and form melt channel between guide material cone transition surface and cone hole transition surface. Adopt this scheme, can choose sleeve mould specification according to the extrusion specification, do not involve the dismounting problem of complex head in the specification switching process, only need to dismount embedded sleeve mould in the specification switching process. The head nested sleeve mould with the structure can effectively save the head switching time, can improve production efficiency greatly, saves production cost.

The invention discloses a four-door two-cover flexible trimming die switching system, and relates to the technical field of automobile manufacturing equipment.The four-door two-cover flexible trimming die switching system comprises a lightweight trimming die unit and a switching mounting base, and the lightweight trimming die unit is detachably mounted on the switching mounting base through a robot grabbing device; the bottom of the light-weight edge rolling die unit is provided with a gun changing disc butt joint part, and the switching installation base is provided with an electric quick-plug device and a positioning locking device which are matched with the gun changing disc butt joint part. According to the invention, a split type framework of the lightweight trimming die unit and the switching mounting base is adopted, and a full-automatic die switching system is constructed through a robot automatic grabbing and gun changing disc rapid butt joint technology. A gun replacing disc butt joint part arranged at the bottom of the die body, an electric quick-plug device of the base and a positioning locking device form a standard interface, and a robot is matched for accurate grabbing and positioning, so that the die replacing process is optimized from traditional manual hoisting calibration to machine autonomous recognition butt joint.

The utility model discloses a kind of CNC arc drawing devices for lamp and ornament picture processing, including conveyer and support frame, the outside of the conveyer is provided with support frame, the top of the conveyer is provided with multiple groups of lamp and ornament picture board, the top of the support frame is installed with Z direction screw rod moving assembly, the output of Z direction screw rod moving assembly is installed with X direction screw rod moving assembly, the output of X direction screw rod moving assembly is installed with support arm, Y direction screw rod moving assembly is installed on the side wall of support arm.The utility model not only realizes that CNC arc drawing device is conveniently operated in multiple position moving position, facilitates assembly line type conveying fast operation, shortens the time between each group switching, improves the efficiency of CNC arc drawing device operation, and avoids the deviation shaking during processing, improves the convenience of CNC arc drawing device to workpiece center positioning clamping.

A lead-acid battery airtightness detection device comprises a pressing plate and a pressing block which can ascend and descend along with a driving device. Vent holes in one-to-one correspondence with the battery cells are formed in the middle of the pressing plate; the vent holes are in one-to-one butt joint with air pipes through air pipe joints; a first long-strip-shaped hole extending in the length direction of the pressing plate is formed in one end of the pressing plate. A second long-strip-shaped hole is formed in one end of the pressing block, and a second connecting block capable of vertically ascending and descending along with a telescopic rod of the second air cylinder is arranged below the other end of the pressing block. The bolt sequentially penetrates through the gasket, the second long-strip-shaped hole and the first long-strip-shaped hole, the nut is installed at the rear end of the bolt, and the pressing block is fixed to the pressing plate. Rubber pads are arranged below the second connecting block and the pressing plate. The switching operation difficulty is reduced, and the efficiency is improved.

The utility model relates to the technical field of PIN switches, and particularly discloses a 1G-40G broadband single-pole eight-throw switch, which comprises a plurality of microwave signal input ends, a microwave signal output end, a PIN switch, a plurality of feed circuits and a driving circuit, and is characterized in that the output ends of the feed circuits are respectively connected with the input ends of the PIN switch and the microwave signal input ends; the input end of the feed circuit is connected with the output end of the drive circuit, and the output end of the PIN switch is connected with the microwave signal output end; the driving circuit comprises a driver, a resistor and a capacitor, the input end of the driver is connected with an external control TTL signal, the positive power supply pin of the driver is connected with a positive power supply, the negative power supply pin of the driver is connected with a negative power supply, and the output end of the driver is connected with one end of the resistor and one end of the capacitor. The input end of the feed circuit is connected with the other end of the resistor and the other end of the capacitor. The problems that an existing switch is narrow in coverage frequency, high in cost and slow in switching time are solved.

The utility model provides a switching device, an inverter system and an energy storage system. The first electromagnetic switch and the second normally-closed auxiliary switch in the switching device and the grid-connected interface of the inverter form a first control loop, and the second electromagnetic switch and the first normally-closed auxiliary switch in the switching device and the off-grid interface of the inverter form a second control loop. The first electromagnetic switch is mechanically interlocked with the first normally-closed auxiliary switch, the first electromagnetic switch is mechanically interlocked with the second electromagnetic switch, the second electromagnetic switch is mechanically interlocked with the second normally-closed auxiliary switch, and the first control loop is used for controlling the first electromagnetic switch to be switched on and controlling the first normally-closed auxiliary switch to be switched on when the inverter is in grid connection; and the second control loop is used for controlling the second electromagnetic switch to be closed and controlling the second normally-closed auxiliary switch to be opened when the inverter is off-grid so as to open the first control loop. According to the switching device, the power supply can be switched for the load.

The application discloses an improved deadbeat control method for reducing switching loss, and is implemented according to the following steps: step 1, modeling a single-phase circuit of an MMC, and meanwhile, establishing a single-phase upper and lower bridge arm node current equation; step 2, discretizing the established equation, and taking a ring current as a reference quantity to establish a deadbeat control system; step 3, collecting voltages of upper and lower bridge arms of each phase of the MMC and discriminating voltage discretization; step 4, operating the upper and lower bridge arm voltages output by step 2 to obtain the number of sub-modules that should be turned on for each phase of the upper and lower bridge arms of the MMC in the next control period; and step 5, sorting each sub-module voltage of each phase after being processed in step 3, and meanwhile, turning on or turning off specific sub-modules according to the number of sub-modules that should be turned on for each phase of the upper and lower bridge arms in the next control period obtained in step 4. The application can improve system dynamic performance, improve output voltage quality and reduce the number of times of turning on sub-modules of the system.

The application relates to the technical field of relays, in particular to a novel magnetic latching relay which comprises a shell, a contact mechanism fixedly installed in the shell, the contact mechanism comprising a first static foot and a second static foot, the first static foot and the second static foot being fixedly installed on one side in the shell, a first static contact being fixedly installed on the first static foot, a second static contact being fixedly installed on the second static foot, a rotating mechanism being rotatably connected to one side in the shell and located between the first static foot and the second static foot, two dynamic contacts being fixedly installed on the rotating mechanism and used for cooperating with the first static contact and the second static contact to realize circuit on-off, a pushing assembly being fixedly installed in the shell and used for driving the rotating mechanism to rotate, and an electromagnetic assembly being fixedly installed in the shell and used for driving the pushing assembly, through rotation of the rotating mechanism, the two dynamic contacts on the rotating mechanism are respectively attached to the first static contact and the second static contact, the single-contact stroke is shortened, and the working efficiency of the device is improved.

The present application relates to the field of asphalt mixture production equipment, and discloses an asphalt mixture stirring production equipment with heat energy recovery and a production method, the production equipment comprises a regenerated drying roller, a primary drying roller, a dust removal system, a preheating system, a cyclone dust collector and an incinerator; the gas outlet end of the regenerated drying roller is connected with the gas inlet end of the cyclone dust collector, the gas outlet end of the cyclone dust collector is connected with the incinerator, the incinerator is connected with the gas inlet end of the preheating system; the gas outlet end of the preheating system and the gas outlet end of the primary drying roller are both connected with the dust removal system, and the discharge end of the preheating system is connected with the feeding end of the primary drying roller.The present application has the following advantages: the high-temperature tail gas heat energy discharged from the incinerator can be converted into preheating energy of the primary aggregate, so that the tail gas pollution problem is solved thoroughly, the energy recycling is realized, and the equipment energy consumption and operation cost are effectively reduced.

The invention relates to the technical field of steel and iron material rolling, and particularly discloses a full-process production method for rolling a high-performance bar with the diameter phi of 36 mm. Three-stage temperature dynamic regulation and control are conducted, specifically, a steel billet with a configured component system is fed into a heating furnace, and a rough rolling-intermediate rolling-finish rolling dynamic temperature control model is constructed; according to the multi-specification compatible composite hole pattern, a flat ellipse-round-square composite hole pattern sequence is adopted; differentiated intelligent cooling is conducted, specifically, a controlled cooling process database is built, and cooling schemes are formulated according to different steel grade components; multi-dimensional online quality detection: laser diameter measurement and AI metallographic detection are integrated, a laser diameter measurement instrument is additionally mounted at a finish rolling outlet, and a rapid metallographic detector is deployed at a cooling bed outlet; loop parameter control: establishing a loop height dynamic compensation model, and solidifying a loop control program through a PLC system; the product comprehensively meets the requirement of high-end equipment manufacturing for high-performance bars, the equipment idleness and production cost are greatly reduced, the production stability is greatly improved, and the production efficiency is improved.

The utility model relates to the technical field of camera shell assembly clamps, and discloses a quick-change camera shell assembly clamp which comprises a clamp seat, a forward clamping structure and a reverse clamping structure, the forward clamping structure is located in a forward area, the reverse clamping structure is located in a reverse area, the forward clamping structure comprises a plurality of forward clamping columns and a plurality of forward clamping plates, the forward clamping columns are in butt joint with the clamp seat, and the forward clamping plates are in butt joint with the clamp seat. The positive clamping column and the positive clamping plate are used for clamping a camera shell in a positive state; the reverse clamping structure comprises a plurality of reverse clamping blocks and reverse clamping strips, reverse clamping grooves are formed between the reverse clamping blocks and the reverse clamping strips, and the reverse clamping blocks and the reverse clamping strips are used for clamping and fixing the camera shell. The clamp base is directly assembled on CNC equipment, and the camera shells in the forward state and the reverse state are machined in batches through the CNC equipment; thus, the standby time of CNC equipment is shortened, the machining efficiency of the camera shell is improved, meanwhile, the machining requirements of different procedures are met, the switching time of the forward state and the reverse state of the camera shell is shortened, and the machining efficiency of the camera shell is greatly improved.