385results about How to "Improve regulation efficiency" patented technology

The invention discloses a hydraulic pressure test tube machine and a tube body clamping centering device, in the tube body clamping centering device, two guide rods and a telescopic oil cylinder are arranged on a base side by side; corresponding ends of the two guide rods are respectively provided with a first sliding block, corresponding other ends of the two guide rods are respectively provided with a second sliding block; a fixed end of the telescopic oil cylinder is fixed on one end of the base, the fixed end of the telescopic oil cylinder is arranged corresponding to the second sliding blocks; a telescopic end of the telescopic oil cylinder is connected with the first sliding blocks, and is used for driving the first sliding blocks to slide along the guide rods, one of two clamping blocks is fixed on the two first sliding block, and the other one of the two clamping blocks is fixed on the two second sliding blocks; the first sliding block on one of the two guide rods is provided with a first rack, the second sliding block on the other one of the two guide rods is provided with a second rack, both sides of a linkage gear are respectively meshed with the two racks, the first sliding blocks and the second sliding blocks are adjusted by the telescopic oil cylinder to move towards each other or depart from each other. The scheme can solve the problems of high control precision and slow regulation efficiency of a plurality of oil cylinders of the tube body clamping centering device.

The embodiment of the invention discloses a process template generation method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining a process generation demand of a user, and determining structured process logic description information based on the process generation demand, a preset process design cue word and a preset large language model; generating cue words and a preset large language model based on the process logic description information, a preset process template, and determining a first process template required by the user; performing rule verification on the first process template based on a preset verification plug-in, and determining a verification result; and if the verification result is that the verification is not passed, adjusting the first process template by utilizing a preset large language model, and determining a second process template required by the user. Through the technical scheme of the embodiment of the invention, the executable process template can be directly generated according to the demand described by the natural language, the node attribute and the logic relationship do not need to be manually configured, and the generality, the efficiency and the accuracy of the process template generation are improved.

The application discloses a basalt fiber multi-escape plate wire drawing control method, system, device and medium, including the following steps: obtaining the real-time temperature, real-time viscosity, melt flow and target fiber diameter at the target escape plate; inputting the real-time temperature, real-time viscosity, melt flow and target fiber diameter into a preset dynamic balance equation to obtain a dynamic balance index; judging whether the dynamic balance index is greater than a preset index threshold, if yes, inputting the melt flow into a preset flow compensation equation to obtain a flow compensation value; after guiding the wire drawing control process to reach a preset time based on the flow compensation value, judging again whether the dynamic balance index is greater than the preset index threshold; if yes, inputting the real-time temperature into a preset temperature compensation equation to obtain a temperature compensation value, and guiding the wire drawing control process based on the temperature compensation value, the application has the advantages of reasonable planning of priority order of control indicators and improved wire drawing control efficiency.

The utility model relates to the technical field of display screens, in particular to a light-emitting diode (LED) display screen structure, which comprises a mounting mechanism, a light-emitting diode (LED) module and a light-emitting diode module, the moving mechanism is arranged on the mounting mechanism; the two supporting arms are arranged on the moving mechanism, and connecting shafts are arranged in supporting arm mounting holes; the two mounting pieces are rotationally mounted on the two connecting shafts respectively, and connecting rods are rotationally arranged on the mounting pieces; the two fixing seats are rotationally arranged on the two connecting rods respectively; the two display screens are respectively mounted on the two fixed seats; the adjusting mechanism is arranged on the mounting mechanism and is used for adjusting the working height of the two display screens driven by the moving mechanism; the adaptability is high, the operation is flexible, and the film watching effect is improved.

The application provides an interactive control method and device in a game and electronic equipment, in response to a sight opening instruction for a virtual weapon, a second game scene picture determined based on preset magnification parameters of a sight assembled on the virtual weapon is displayed on a graphical user interface, and a volume key is configured to control adjustment of the magnification parameters corresponding to the sight; in response to an adjustment operation of the volume key, the preset magnification parameters corresponding to the sight are adjusted to target magnification parameters, and a third game scene picture determined based on the target magnification parameters is displayed on the graphical user interface. In this way, after the sight is opened, the magnification parameters of the sight can be adjusted by triggering the volume key, so that the operation of adjusting the magnification parameters of the sight is simplified, and the magnification parameter adjustment efficiency is improved. Meanwhile, this method can also avoid misoperation of other controls in the graphical user interface during the sight opening interactive operation, which helps to improve the game experience and game winning rate of players.

The utility model discloses paper mold forming equipment with an efficient drying function. The paper mold forming equipment comprises a paper pulp component, a forming component and a drying component, wherein the paper pulp component is filled with paper pulp; the forming component comprises a lower die assembly, an upper die assembly and a carrying assembly, the lower die assembly is arranged on the paper pulp component, and the lower die assembly adsorbs paper pulp in the paper pulp component. According to the paper mold forming equipment with the efficient drying function, by arranging at least two upper mold assemblies and at least two lower mold assemblies which are arranged side by side, a carrying assembly drives the upper mold assemblies to carry at least two paper mold wet blanks at a time, and the paper mold wet blanks are placed on one conveying assembly to be conveyed; under the action that the conveying assembly conveys the wet paper mold blank through the drying assembly, the wet paper mold blank is dried, paper mold forming machining is completed, when different types of paper molds are machined, the time of the wet paper mold blank staying in the drying assembly can be most appropriate by controlling the conveying speed of the conveying assembly, and the paper mold forming machining efficiency is improved. And the production efficiency and the adjustment efficiency of the paper mold are improved.

This utility model discloses a lumbar fixation device that conforms to and supports the lumbar spine. It includes multiple waist belts and an adjustment mechanism. One end of each waist belt is fixedly mounted with an installation frame. The adjustment mechanism includes a connecting frame fixedly mounted at the bottom of one of the waist belts. A connecting block is slidably connected within the connecting frame and slides against the inner wall of the connecting frame. The connecting block is fixedly mounted on another waist belt. A limiting member is installed on the connecting frame to limit the position of the connecting block. Each waist belt has a groove, within which a rotating rod is installed. A first threaded rod and a second threaded rod are fixedly mounted at both ends of the rotating rod. Installation blocks are threadedly connected to the first and second threaded rods, and a support member is installed on the installation blocks. This lumbar fixation device improves the efficiency of position adjustment by utilizing the cooperation between a worm gear, a worm wheel, multiple waist belts, a connecting frame, a connecting block, a limiting member, and a support member, while ensuring support for different positions of the lumbar spine.

This utility model provides a motor lifting base, including a base plate and a top plate. A translation bracket is slidably connected to the top plate, and a support foot is fixedly connected to the top of the translation bracket. The support foot is used to install motor components. Translation drive components are connected to both sides of the translation bracket via screws and nuts. An adjusting rod one is rotatably connected to one side of the translation bracket via an extension rod, and an adjusting rod two is rotatably connected to the top of the base plate. The inner wall of adjusting rod one is slidably connected to the outside of adjusting rod two. The drive motor drives the synchronous component to drive the adjusting screws on both sides, realizing the synchronous and stable movement of the translation bracket. This facilitates the formation of an open installation platform in confined spaces. At the same time, adjusting rod one and adjusting rod two adopt a slanted platform compression and spring reset structure. A linear motor drives the compression slanted platform to push the positioning pin into the positioning hole, realizing rapid locking of length and angle, enhancing lateral support strength and improving adjustment efficiency, and avoiding damage to the bracket structure during motor installation.

This utility model relates to the field of fabric conveying technology and discloses an adjustable-stroke fabric conveying device, including a first fixed frame, a second fixed frame, and multiple guide rollers. A stroke adjustment component is provided between the second fixed frame and the multiple guide rollers. A scale line is provided on the upper part of the inner wall of the rear end of the second fixed frame. The stroke adjustment component includes a linkage box, multiple forward threaded rods, and multiple reverse threaded rods. The linkage box is fixedly connected to the upper end of the second fixed frame. Multiple adjustment grooves are opened on the inner walls of both the front and rear ends of the second fixed frame. Adjustment sliders are threadedly sleeved on the outer walls of the multiple forward threaded rods and the multiple reverse threaded rods. In this utility model, the stroke adjustment component can flexibly change the fabric wrapping length to adjust the stroke, ensuring that fabrics of different thicknesses and elasticities maintain appropriate tension during conveying, and can simultaneously control the movement of multiple guide rollers, significantly saving adjustment time.

The technical scheme belongs to the field of cutting and slitting machines, and particularly relates to a cutting device of a cutting and winding machine, which comprises a rack, the rack is provided with a cutting mechanism, the cutting mechanism comprises a first knife roll and a second knife roll which are rotatably arranged relative to the rack, the two knife rolls are tangent and matched, and a paper material passes between the first knife roll and the second knife roll; the strip cutting driving part is used for driving the first knife roll to rotate so as to be matched with the second knife roll to cut the paper material into a plurality of material strips; the pressing adjusting assembly comprises an adjusting rod in threaded fit with the first knife roll, the adjusting rod rotates to drive the first knife roll to move relative to the second knife roll, the slitting driving part drives the first knife roll to rotate, and the paper material is continuously cut into material strips when passing through a channel formed by tangency of the first knife roll and the second knife roll; an adjusting rod of the pressing adjusting assembly accurately controls axial displacement of a first knife roll through thread transmission, stepless adjustment of a paper material channel is achieved, the cutting precision is kept, and the adaptability of paper materials of different thicknesses and the equipment maintenance efficiency are improved.

The utility model discloses a kind of U-shaped metal spring pieces of adjustable pre-tightening force, including U-shaped body, adjusting mechanism and anti-loosening assembly, the U-shaped body is made of two symmetrically arranged leg and the connecting part of connecting leg, the free end of the leg forms elastic contact end, the adjusting mechanism includes the screw rod of at least one the leg and the nut of the screw rod screw cooperation, the axis of the screw rod is perpendicular to the extension direction of the leg, and one end of the screw rod is abutted to the inner side surface of the connecting part. By screw rod and nut cooperation can flexibly adjust pre-tightening force, adapt to different working condition demand, solve the limitation of traditional spring piece pre-tightening force fixed;Adjusting knob with anti-slip line, cooperate nut limit plane, convenient operation and prevent skidding, improve adjustment efficiency and stability. The sliding cooperation of guide groove and guide boss ensures that leg deformation is stable, improves pre-tightening force adjustment accuracy.

The application provides a surveying and mapping instrument positioning device for engineering surveying and mapping, and relates to the technical field of engineering surveying and mapping equipment, which comprises a support seat and further comprises an expansion adjusting assembly, wherein the expansion adjusting assembly comprises a first driving motor mounted at the bottom of the support seat, in the application, the gear engages to drive two centrally symmetrical racks to move reversely, the moving seat is synchronously moved with the racks through sliding cooperation with the linear guide rails, flexible adjustment of the distance between the support rods is realized, the rotating seat can rotate around the support frame, the angle is adjusted through the arc-shaped guide rails, and the positioning is completed by tightening the first knob bolt after the rotating seat is in place, in the multistage telescopic assembly, the support rods, telescopic rods and fine adjustment rods can slide along the length direction, are stretched to a suitable height as required, and are locked and fixed through corresponding knob bolts, the support rods on the support seat and the rotating seat are matched, telescopic adjustment and angle adjustment are combined, quick and flexible adjustment of the support span, the angle and the height is realized, and stable placement of the surveying and mapping instrument under various terrains is ensured.

This utility model discloses a relay protection pressure plate device, including a relay protection pressure plate body. Two sets of connector bodies are fixedly connected to the upper surface of the relay protection pressure plate body, and a sealing mechanism is fixedly connected to the upper surface of the relay protection pressure plate body. A limit mechanism is fixedly connected to the outer surface of the sealing mechanism. The sealing mechanism includes a sealing shell fixedly connected to the upper surface of the relay protection pressure plate body, a fixed shell slidably connected to the inner wall of the sealing shell, and a rotating shell fixedly connected to the other end of the fixed shell. This convenient relay protection pressure plate device belongs to the field of relay protection technology. This convenient relay protection pressure plate device, through the multi-layer shell structure of the sealing mechanism and the cooperation of the sliding sealing plate, can effectively block the intrusion of external factors such as dust and moisture, protect internal components, and the arc-shaped chamfer design of the fixed shell eliminates the risk of jamming, ensures smooth sealing operation, and improves circuit adjustment efficiency.

The invention discloses a regulation and control method, system and device for participation of an air conditioner cluster in demand response and a medium, and relates to the technical field of building energy saving.The method comprises the steps that a virtual energy storage model of a target building is constructed, and the equivalent heat capacity of the target building is calculated according to a set of physical parameters; in response to the power grid demand response event, obtaining a target parameter of the demand response event; according to the equivalent heat capacity and the target parameters, preparatory energy is determined through iterative calculation, a target regulation and control strategy of the air conditioner cluster is generated, the temperature of the air conditioner cluster is adjusted to the extreme value of the human body comfort temperature interval within the preset duration before the demand response event starts, and the preparatory energy is stored for the target building; in the period of executing the demand response event, the operation power of the air conditioner cluster is reduced, and the indoor temperature is kept within the human body comfort temperature interval through the reserved energy stored in the target building; and the air conditioner cluster is intelligently regulated and controlled according to the target regulation and control strategy. According to the technical scheme, the effect of improving the regulation and control efficiency is achieved.

The invention relates to the technical field of solid lasers, and particularly provides a narrow-linewidth tunable dual-wavelength laser output system based on data driving, which comprises a pumping source, a resonant cavity, a data acquisition unit and a data receiving and driving device, a single gain medium, two F-P etalon and an F-P angle regulator are arranged in the resonant cavity, the inclination angles of the two F-P etalon are adjusted through an F-P angle adjuster so as to perform longitudinal mode selection and wavelength tuning on the output laser of the resonant cavity; a neural network screening model is arranged in the data receiving and driving device, the neural network screening model is used for learning the mapping relation between intracavity parameters and output laser optical parameters, and dual-wavelength simultaneous locking and line width prediction are achieved through dual-etalon collaborative mode selection and data driving of the neural network screening model. According to the invention, the complexity of the system is greatly simplified, and dual-wavelength, narrow-linewidth, high-stability, repeatable and automatic laser output regulation and control which cannot be achieved by a traditional architecture are realized functionally.

This application provides a power supply system and grid-connected control method. The power supply system includes a power source, an inverter, a transformer, a power station acquisition module, and an inverter acquisition and control circuit. The power station acquisition module acquires the amplitude and frequency of the grid-connected voltage at the grid connection point and obtains a power station power adjustment signal based on the amplitude and frequency of the grid-connected voltage. The inverter acquisition and control circuit acquires the amplitude and frequency of the inverter's output voltage and obtains an inverter power adjustment signal based on the amplitude and frequency of the output voltage. Based on the power station power adjustment signal and the inverter power adjustment signal, the circuit controls the inverter to output a target output power. Using this application, the output power of the inverter can be adjusted through the power station acquisition module and the inverter acquisition and control circuit. The structure is simple, the control method is convenient, the control accuracy and regulation efficiency are improved, the control time is reduced, and the control cost is lowered.

The invention relates to the technical field of eye examination, in particular to an eye examination auxiliary device which comprises supporting legs, a supporting frame is fixedly mounted at the top ends of the supporting legs, a supporting table is fixedly mounted at the top end of the supporting frame, an optometry unit body is arranged at the top end of the supporting table, and handrails are symmetrically and fixedly mounted on the side wall of the supporting table. By controlling the rotating direction of the motor, the height of the bottom support can be automatically adjusted, a to-be-inspected person can align two eyes to the optometry window conveniently, the adjusting mode is simple, compared with manual adjustment, the operation time can be saved, the adjusting efficiency can be improved, meanwhile, the worm gear and the worm can be lubricated, abrasion between the worm gear and the worm can be reduced, and the working efficiency is improved. The installation and disassembly mode of the optical lens fixed through cooperation of the spring and the clamping piece is simple, the optical lens on the installation frame can be conveniently taken down to be cleaned, use of the optical lens can be guaranteed, and the situation that the optical lens is dirty and influences the optometry effect is avoided.

The present application belongs to the technical field of silk making equipment, and particularly relates to an adjustable baffle for a vertical material falling silk cutting machine, which comprises: an upper baffle hingedly connected to the upper end of the silk cutting machine, wherein a mounting groove is formed in the lower end of the upper baffle; a lower baffle, which is slidingly installed in the mounting groove along the length direction of the upper baffle, and wherein a connecting block is fixedly installed on the lower baffle; a support rod hingedly connected to the upper end of the silk cutting machine, wherein a sliding block is hingedly connected to the lower end of the support rod; a power mechanism, which is fixedly installed on the upper baffle, and wherein a transmission mechanism is installed on the power output end of the power mechanism; the connecting block and the sliding block are both installed on the transmission mechanism, and the power mechanism drives the connecting block and the sliding block to move in opposite directions along the length direction of the upper baffle through the transmission mechanism. The purpose is to solve the problems of low adjustment efficiency and high labor intensity caused by the structural defects of the existing baffle.

The application belongs to the technical field of low power consumption, and particularly relates to a low power consumption design method and device with adaptive voltage regulation. The method comprises the following steps: 1) simulating a key path of an analog-digital circuit, wherein the key path refers to a path with the maximum delay in the digital circuit; 2) generating a test clock signal and a sampling clock signal, and inputting the generated test clock signal into the key path; 3) detecting the output signal of the key path by using the sampling clock signal with the same sampling time and / or different sampling times, and controlling and adjusting the power supply voltage of the digital circuit according to the detection result, so as to determine the minimum power consumption voltage for ensuring the normal operation of the digital circuit. The application uses the key path to represent a complex load, and has simple structure and wide application range. The power supply voltage of the circuit is controlled and adjusted according to the voltage detection result, so that the control precision and the adjustment efficiency are improved, the minimum voltage for ensuring the normal operation of the circuit is determined, and energy saving is achieved.

The invention provides a pipeline butt joint device and a using method.The pipeline butt joint device comprises a main body part, a first adjusting part, a second adjusting part, a bearing part and a plurality of supporting leg assemblies, the first adjusting part is movably connected to the main body part in the first direction, and the second adjusting part is movably connected to the first adjusting part in the second direction; the bearing part is connected with the second adjusting part, each supporting leg assembly comprises an adjusting leg and a connecting arm, and the adjusting leg is movably connected with the main body part through the connecting arm. According to the using method of the pipeline butt joint device, the connecting arms are rotated according to site conditions, and the adjusting legs are fixed to the preset positions; the pipeline is arranged on the bearing part; the position of the pipeline is adjusted by moving the first adjusting part in the first direction and moving the second adjusting part in the second direction, and butt joint of the pipeline is facilitated. The pipeline butt joint adjusting device has the beneficial effects that the adaptability of the device to different ground conditions and the adjusting efficiency of pipeline butt joint are improved.

The utility model belongs to the field of mobile phone interaction technology, especially relates to a mechanical electronic fusion's gyro wheel formula mobile phone side interaction control device and mobile phone. Including gyro wheel, elastic arm, the gyro wheel rotation is installed on the elastic arm, the elastic arm is located in the inner chamber of mobile phone side, and one end of the elastic arm is connected with the inner chamber of mobile phone side, and the other end is close to contact switch, and the gyro wheel part is exposed to the outside of mobile phone side, mechanical code disc, the shell of mechanical code disc is installed on the bottom of the elastic arm, the input shaft of mechanical code disc is connected with the axle end of gyro wheel coaxial heart, main control chip, the main control chip is connected with the electric signal of contact switch and mechanical code disc output respectively. The utility model discloses through the innovative gyro wheel formula dial knob interaction scheme, enriches mobile phone side interaction dimension, improves the operation convenience and functional expansibility.

This utility model relates to the field of river management technology and discloses a movable micro ecological floating island, including a floating bed. Multiple planting tubes are movably connected vertically through the interior of the floating bed. A retaining ring is fixedly fitted onto the outside of each planting tube above the floating bed. Clamping mechanisms are provided on both the front and rear sides of the planting tubes on the upper surface of the floating bed. Positioning mechanisms are provided at the four corners of the upper surface of the floating bed. This utility model utilizes a pawl and ratchet locking design. After the positioning anchor sinks to the bottom of the water under gravity, releasing the pawl enables one-way self-locking of the rocker arm, effectively preventing the positioning rope from loosening and ensuring that the floating bed does not shift under water flow or wind force, ensuring stable and reliable positioning. Simultaneously, when moving the floating island, simply turning the rocker arm clockwise quickly retracts the positioning rope and anchor, making operation simple and quick, significantly improving the efficiency of floating island position adjustment and relocation.

This utility model relates to an adjustable bed leg structure, comprising: an upper cylinder connected to the bed frame, having multiple locking holes spaced vertically at intervals corresponding to different locking positions; a lower cylinder for supporting the ground, the upper cylinder being adjustablely fitted onto the lower cylinder; and an elastic locking mechanism including an elastic element installed in the lower cylinder and a stop pin connected to the elastic element, the stop pin extending outward through a locking hole in the side wall of the lower cylinder. This greatly facilitates the adjustment and locking operation of the bed legs, resulting in higher adjustment efficiency and accuracy; it prevents the stop pin from slipping out or the upper and lower cylinders from separating; the number of locking holes can be flexibly set according to needs, and the adjustment positions can be arbitrarily set. Compared to using multi-section bed legs for height adjustment, this is more convenient and lower in cost.

The application discloses a vehicle cabin adjusting method and system based on scene recognition, a device and a medium, and comprises the following steps: obtaining driving state information, external environment information and road image information around a target vehicle; inputting the driving state information, the external environment information and the road image information into a pre-trained driving scene recognition model to obtain a current driving scene of the target vehicle; obtaining human body image information and face image information of a person in the vehicle, and determining a current ride comfort of the person in the vehicle according to the human body image information and the face image information; determining a target driving mode according to the current driving scene, and determining target cabin parameters according to the target driving mode and the current ride comfort, and then adjusting the cabin of the target vehicle according to the target cabin parameters. The application improves the efficiency and accuracy of vehicle cabin adjustment, improves the travel experience of users, and can be widely applied to the technical field of vehicle control.

This invention discloses a heat station control system based on virtual-real fusion, comprising: a data acquisition module, a data processing module, a metaverse module, a virtual-real fusion module, a control module, and a response module. These modules are respectively used to acquire data, process data, and construct a heat station metaverse, linking the metaverse with the real heat station and combining the metaverse with the real heat station. This integrates virtual humans, natural humans, and robots, and merges physical dispatchers with digital avatars, forming a human-machine integrated decision-making scheme. It boasts advantages such as good real-time performance, strong immersion, high decision-making ability, and strong execution, improving the efficiency of heat station control. Furthermore, the metaverse environment enables rapid response to control commands and observation of heat station operation animations, enhancing the transparency of the heat station's operation process.

A house beam bottom formwork supporting device relates to the technical field of engineering construction and comprises a supporting seat, a supporting pipe and an adjusting base. An adjusting base capable of adjusting the height position is arranged at the bottom of the supporting pipe. A supporting seat for supporting a beam bottom template is arranged at the top of the supporting pipe; the supporting base comprises a supporting disc with the bottom correspondingly connected with the supporting pipe, a keel is arranged between the supporting disc and the beam bottom formwork, and right-angle baffles used for limiting the keel are arranged at the four corner ends of the top of the disc face of the supporting disc. According to the utility model, the height position of the adjusting base can be adjusted, so that the terrain requirements of different construction sites can be easily met, the construction preparation time is greatly saved, and the construction efficiency is improved; the right-angle baffles at the tops of the supporting seats can effectively prevent the keels from falling off, the height positions of the keels can be flexibly adjusted according to different specifications of the keels through the adjusting bolts, it is guaranteed that the keels are evenly stressed, and the stability and reliability of the whole supporting system are further enhanced.

The application relates to the field of printers, and discloses a rubber roller lifting adjusting device and a printer. The rubber roller lifting adjusting device comprises a rack, a mounting plate, a sliding plate, an adjusting rod, an elastic piece and a rotating rod. The rack comprises two side plates arranged at intervals, and the two side plates form a mounting space. A first roller shaft and a second roller shaft are arranged in the mounting space along a first direction. The top surface of the mounting plate is provided with an adjusting hole. The second roller shaft is rotatably connected with the sliding plate. The end of the elastic piece abuts against the sliding plate. The rotating rod is provided with a cam corresponding to the position of the sliding plate. The cam of the rotating rod synchronously drives the two sliding plates to move along the first direction, realizes the overall lifting of the second roller shaft in the avoiding groove, and avoids the manual operation of separately adjusting the two ends of the rubber roller. Meanwhile, the elastic piece cooperates with the adjusting rod to preset the downward pressure, so that the second roller shaft can automatically keep the uniformity of the pressure with the first roller shaft when being reset, and the problem that the distance between the existing rubber rollers needs to be repeatedly and synchronously calibrated is solved.

The utility model discloses a monitor for golf real-time remote positioning, which comprises a monitoring camera body, the surface of the monitoring camera body is sleeved with a shell, the shell can slide back and forth on the surface of the monitoring camera body, the two sides of the shell are fixedly connected with supports, and the supports are fixedly connected with the monitoring camera body. The side, away from the shell, of the support extends to the bottom of the monitoring camera body and is fixedly connected with a sleeve plate, the bottom of the monitoring camera body is movably connected with a transmission rod through a bearing, the surface of the transmission rod is fixedly connected with a rotating wheel, and the bottom of the rotating wheel is fixedly connected with a sliding rod located in the sleeve plate. And the sliding rod is in sliding connection with the sleeve plate. According to the utility model, the housing slides back and forth on the surface of the monitoring camera body, the amount of light entering the camera is directly controlled, the housing moves forward to enlarge the shading area, overexposure or identification interference caused by direct sunlight is avoided, the housing moves backward to reduce the shading range, the amount of light entering is increased, and the imaging quality in a low-light environment is improved.