123results about How to "Achieve normal work" patented technology

The invention relates to the technical field of hydrological data analysis, in particular to a dynamic hydrological coupling data analysis method and system for a complex watershed. The method comprises the following steps: acquiring historical meteorological data, historical hydrological data and historical remote sensing data, and performing hydrological cycle simulation analysis to generate a rainfall-evaporation-permeation-runoff hydrological cycle simulation model; performing drainage basin gridding processing on the rainfall-evaporation-permeation-runoff hydrological cycle simulation model to generate a hydrological cycle gridding model; obtaining actually measured meteorological data and actually measured hydrological data, and carrying out space-time simulation division and hydrological space-time correlation analysis to obtain a hydrological change space-time correlation correlation relationship among the sub-partitions of each drainage basin; and performing drainage basin space-time coupling early warning processing on the hydrological cycle gridding model to generate a hydrological change space-time coupling early warning response result corresponding to the complex drainage basin. The method can accurately analyze and predict the hydrological change and the mutual coupling relation thereof in the complex watershed.

The invention relates to the field of machining milling machine equipment, in particular to a furniture machining multifunctional cutter and method.The furniture machining multifunctional cutter comprises a machining milling machine, the machining milling machine comprises a rack, a workbench is installed at the top of the rack, an electric sliding rail is fixedly connected to the rear side of the top of the workbench, and a fixing frame is installed at the top of the electric sliding rail; a chuck is installed at the bottom of the front end of the fixing frame, a flange at the bottom of the chuck is connected with a connecting flange pipe, the connecting flange pipe is installed in the middle of the milling cutter, L-shaped cutter bits which are evenly distributed are arranged on the periphery of the milling cutter, side blades are arranged on the vertical faces of the L-shaped cutter bits, and bottom blades are arranged on the bottom faces of the L-shaped cutter bits. Edge milling work of furniture timber can be achieved through the side edge of the L-shaped tool bit, face milling work of the top of the furniture timber can be achieved through the bottom edge of the L-shaped tool bit, and therefore edge milling work and face milling work of the timber can be directly achieved, tool changing is not needed, multiple purposes are achieved through one tool, and actual timber machining work is facilitated.

The invention discloses a hydraulic mechanical transmission device control method based on optimal trajectory optimization, and relates to the technical field of equipment intelligent auxiliary operation and control, and the method comprises the following steps: S1, building a physical model of a hydraulic mechanical transmission device; s2, taking the shortest motion time, the most smooth trajectory and the minimum energy consumption as optimization objectives, and obtaining an optimal trajectory based on a trajectory planning algorithm combining an improved sparrow algorithm and a quintic non-uniform B-spline curve; s3, oil return control is optimized; and S4, oil inlet control is optimized, specifically, an oil inlet flow controller is optimized based on a time-varying secant obstacle Lyapunov function and an RBF neural network. According to the trajectory planning algorithm, the trajectory of the hydraulic transmission device can be optimized, oil return and oil inlet are optimized based on the optimal trajectory, and working trajectory planning and high-precision control over the hydraulic equipment executing mechanism are achieved.

The invention provides an automobile drive-by-wire chassis multimode redundancy integrated control system and application thereof. The system comprises a whole vehicle sensor unit, a vehicle driving state fault-tolerant reconstruction estimator, a vehicle drive-by-wire chassis redundancy integrated controller, a vehicle drive-by-wire chassis execution controller, a vehicle drive-by-wire chassis execution subsystem, a power subsystem and a communication subsystem which are connected in sequence, the communication subsystem achieves information transmission, the whole vehicle sensor unit provides sensor signals and monitors the vehicle driving state, and the vehicle driving state fault-tolerant reconstruction estimator provides vehicle stability control parameters for the vehicle drive-by-wire chassis redundancy integrated controller. The automobile drive-by-wire chassis redundancy integrated controller provides ideal execution parameters for the automobile drive-by-wire chassis execution controller, and the automobile drive-by-wire chassis execution controller provides execution actions for the automobile drive-by-wire chassis execution subsystem. The safety, the stability and the reliability of the intelligent driving automobile are improved.

The invention relates to a pumped storage power station construction inversion method and device based on a BIM model, computer equipment and a readable storage medium. The method comprises the steps that the BIM model of a pumped storage power station is established; inverting the construction process of the pumped storage power station through the BIM model; a three-dimensional digital integration platform is constructed, and the modeling process of the BIM model and the construction process of the pumped storage power station are visualized through the three-dimensional digital integration platform; and carrying out dynamic management on equipment in the pumped storage power station through a radio frequency identification technology and the BIM model. By adopting the method, the construction efficiency can be improved.

The invention discloses a double-obstacle-avoidance-system inter-plant weeding machine which comprises a rack, a transverse obstacle avoidance system and a control system, the transverse obstacle avoidance system is fixedly installed on one side of the rack, the control system is fixedly installed in the rack, and the control system is electrically connected with the interior of the rack. A transverse obstacle avoidance system is arranged to perform transverse obstacle avoidance on the two sides when the weeding machine moves, a control system is arranged to control the whole equipment to use, and a gear speed increasing box is fixedly mounted on one side of the upper portion of the rack; double touch mechanisms are adopted, effective obstacle avoidance can be achieved for grape plants with different growth vigor, weeding operation can be conducted at the same time twice, cost is reduced, operation efficiency is improved, the terrain simulating device is used for coping with different terrains, the height of the weeding machine is limited through the depth limiting wheel, lifting of the weeding machine is adjusted through three-point suspension, and the weeding machine is convenient to use. In the transportation process, the hydraulic cylinder can be manually adjusted to stretch out and draw back, so that the overall size of the weeding machine is changed, and transportation is convenient.

The utility model provides intelligent cooking equipment which comprises a cooking cavity, a heating module used for heating the cooking cavity, a sound control acquisition module used for detecting cooking sound in the cooking cavity and a detection module, and the sound control acquisition module and the heating module are electrically connected with the detection module. When the heating module works, the sound control collection module detects sound signals generated in the cooking process and transmits the sound signals to the detection module, and the detection module controls the heating module to be turned on or turned off according to the sound signals collected by the sound control collection module. Specifically, a sound signal generated in the cooking process is detected through a sound control acquisition module, the cooking state of food can be monitored in real time, the problem of excessive or insufficient cooking caused by traditional timing control is avoided, the cooking quality is improved, unnecessary energy waste is avoided, and the energy utilization efficiency is improved; and the user does not need to manually adjust the cooking time or frequently check the cooking state, so that the use convenience and the user experience are improved.

The invention relates to the field of computer hardware testing, in particular to a testing device for computer hardware development, which comprises a testing table, a U-shaped plate, two first supporting plates and two second supporting plates are fixedly connected to the bottom surface of the testing table, and a reciprocating screw rod is rotatably mounted in the U-shaped plate. A reciprocating screw rod is arranged on the upper surface of the testing table, a first threaded plate is in threaded connection with the outer surface of the reciprocating screw rod, a first through groove matched with the first threaded plate is formed in the testing table, the first threaded plate is in sliding connection with the first through groove, and a base is placed on the upper surface of the testing table. According to the method, one to-be-tested computer hardware can be translated from the test area to the loading and unloading area, and the other to-be-tested computer hardware can be translated to the vibration area, so that loading and unloading operation can be performed on the other to-be-tested computer hardware at the same time in the process of performing vibration test on the computer hardware, the continuity of the whole test process can be effectively improved, and the test efficiency is improved. And the test efficiency is greatly improved.

The multifunctional spacer bush bearing clamping jaw comprises a clamping jaw assembly and a gripper assembly, the clamping jaw assembly comprises a clamping jaw installation plate which is horizontally installed, a clamping jaw assembly is arranged at any end of the lower portion of the clamping jaw installation plate, and the gripper assembly is installed on the upper side face of the clamping jaw installation plate and staggered with the clamping jaw assembly in position; the gripper assembly comprises a gripper installation plate and a gripper assembly installed on the side face of the gripper installation plate, the gripper installation plate is longitudinally installed on the clamping jaw installation plate, and the gripper assembly comprises a telescopic air cylinder, a suction cup gripper arranged at the end of a telescopic rod of the telescopic air cylinder and a vacuum generator fixedly installed on the gripper installation plate. The vacuum generator is connected with the suction cup gripper through a pipeline, and a gripper window used for reciprocating motion of the telescopic air cylinder is formed in the clamping jaw mounting plate. The manipulator has the advantages that the gripper assembly is integrated on a conventional clamping jaw assembly through structural layout and driving design, and combined work or alternate work of the gripper assembly and the clamping jaw assembly is achieved.

The invention discloses a reciprocating type resettable monkey wrench, and particularly relates to the field of monkey wrenchs.The reciprocating type resettable monkey wrench comprises a handle, a fixed jaw is arranged at one end of the handle, a connecting plate is fixedly connected to the end, close to the fixed jaw, of the handle, a connecting groove matched with the connecting plate is formed in one side of the fixed jaw, and a cylindrical pin is inserted in the middle of the connecting plate. Firstly, through the arranged movable adjusting mechanism, whether a rotation gap exists in connection of the handle and the fixed jaw or not is conveniently adjusted, when no adjusting gap exists between the handle and the fixed jaw, the handle and the fixed jaw are fixedly connected at the moment, normal work of a conventional wrench is conveniently achieved, and when an adjusting gap exists between the handle and the fixed jaw, the handle and the fixed jaw are fixedly connected. According to the adjustable spanner, reciprocating movement is convenient, reciprocating type resettable cycle work of the adjustable spanner is achieved, reciprocating cycle work at any angle in a narrow space can be achieved, angle adjustment does not need to be conducted, a large amount of time is saved, and the experience feeling of customers is improved.

The utility model discloses a pipeline detection robot based on an eddy current magnetic flux leakage composite detection technology, which comprises a mobile carrier capable of moving along the inside of a pipeline, and an eddy current magnetic flux leakage detection unit, a detection control unit and a power supply module which are arranged on the mobile carrier, the mobile carrier comprises a pipe body and multiple columns of steering engine walking wheels arranged on the circumferential outer wall between the two ends of the pipe body, and the detection control unit and the power module are arranged in the rear end of the pipe body. The power output end of the power module is electrically connected with the power end of the steering engine walking wheel, the power end of the eddy current magnetic flux leakage testing unit and the power end of the detection control unit. The control end of the mobile carrier and the detection output end of the eddy current magnetic flux leakage testing unit are connected with the detection control unit. The detection control unit comprises a central controller, a positioning module, a wireless communication module and an attitude sensor. The device can efficiently clean the inner wall of the pipeline and detect damage defects of the inner wall of the pipeline, and automatic cleaning and defect detection work is achieved.

This invention discloses a miniature canning and conveying device, comprising a conveying assembly, a capping assembly, a cap transfer assembly, a guardrail assembly, a filling assembly, and a sterilization assembly mounted on a substrate. The conveying assembly has an inlet end, an inlet conveying end, an outlet conveying end, and an outlet end, with the inlet and outlet conveying ends conveying in opposite directions. The capping assembly is positioned above the inlet and outlet conveying ends. The cap transfer assembly is positioned between the inlet and outlet conveying ends. The guardrail assembly is laid between the inlet and outlet conveying ends, forming a filling and inoculation station, a sterilization station, and a channel. The filling and sterilization assemblies are respectively positioned at the filling and inoculation stations and the sterilization station. The guardrail assembly includes a bottle pushing component. This invention enables the filling and inoculation of the medicine inside the isolator from outside the isolator, preventing contamination of the internal environment of the isolator and leaks due to manual operation.

This utility model discloses a microelectronic component testing and screening device, relating to the field of electronic component processing technology. It includes: a frame with a feeding and conveying system mounted on it; a double-sided testing mechanism mounted on the frame, comprising a testing component and a pair of flipping clamping components, the flipping clamping components being able to clamp and flip the microelectronic components to be tested so that the testing component can perform double-sided testing; a screening mechanism including a guide plate that can move horizontally above a waste guiding component and a discharge conveying system; and a waste collection box located below the waste guiding component for collecting products that fail the testing. This utility model features high testing accuracy and high working efficiency.

The utility model discloses a processing device for busbar welding, which relates to the technical field of busbar welding and comprises a base and a clamp arranged on the base, the clamp comprises a fixed support table and two movable support tables which are arranged on the base, the two movable support tables are respectively arranged on two sides of the fixed support table, and the two movable support tables are respectively arranged on two sides of the fixed support table. The two movable supporting tables can move close to each other or move away from each other. The clamp provided by the utility model not only can clamp and limit the end to be processed, the leading-in block and the leading-out block of the main body consisting of the flat wire and the terminal which are in an abutting state so as to facilitate welding processing, but also can form a processing gap after welding is completed, and provides an operation space for the work of a cutting knife by utilizing the existence of the processing gap, so that the working efficiency of the cutting knife is improved. According to the welding tool, the lead-in block and the lead-out block are cut through the cutting knife, welding and cutting work can be achieved without additionally arranging an additional cutting tool, use is convenient and fast, and the welding machining efficiency is improved.

The utility model provides an MOS-based multi-power garment steamer control circuit and a multi-power garment steamer, the MOS-based multi-power garment steamer control circuit comprises a power switch, a load circuit, a bridge rectifier module and an MOS control circuit, the power switch is connected with the load circuit, the load circuit comprises a first branch circuit and a second branch circuit which are connected in parallel, the first branch circuit is connected with a water supply part in series, and the second branch circuit is connected with the bridge rectifier module. The second branch is connected with a bridge rectifier module, the bridge rectifier module is connected with a heating part in series, the load circuit is connected with an MOS control circuit, the MOS control circuit is connected with the bridge rectifier module, and the MOS control circuit is used for determining whether to disconnect the load circuit or not according to whether the peak value of the working voltage exceeds a set threshold value or not. Normal work of the multi-power-supply garment steamer under different power supply voltages is achieved.

The utility model relates to the technical field of white spirit lees utilization, in particular to a white spirit lees squeezing table which solves the problem that in the prior art, lees are formed after being squeezed and are not convenient to discharge and use quickly. A white spirit lees squeezing table comprises a working barrel, a feeding pipe is fixedly arranged at the upper end of the working barrel in a communicating mode, a pressing plate and a sliding plate which are distributed left and right are arranged in the working barrel, a threaded barrel is arranged at the outer end of the working barrel, a two-way screw is arranged at the inner end of the working barrel, a threaded frame is connected to the threaded barrel in a threaded mode, and the rear end of the threaded frame is fixedly connected with the pressing plate. The two-way screw is in threaded connection with the sliding plate, a driving wheel is arranged in the threaded cylinder, and a driven wheel is fixedly arranged at the left end of the two-way screw. According to the utility model, the pressing plate and the sliding plate can be controlled to move left and right through the threaded cylinder, the two-way screw rod, the threaded frame, the pressing plate and the sliding plate, so that wine residues in the working cylinder can be squeezed and automatically discharged.

A spinning preparation machine (1; 100; 200) for processing fiber bundles (2), the spinning preparation machine having: a frame (19); a fiber bundle reservoir (4) fixed on the frame (19), the fiber bundle reservoir being fluidly connected to a fiber bundle inlet (9) via an inlet (8) and fluidly connected to a fiber bundle outlet (18) via an outlet (17); and a weighing device (26) disposed below the fiber bundle reservoir (4) for measuring the filling state of the fiber bundle reservoir (4) by gravimetric method, characterized in that the spinning preparation machine (1; 100; 200) has a separation device (21) having at least three support points (24) for erection on a fixed base plate (3), wherein the frame (19) and the separation device (21) are structurally separated from each other, and wherein the fiber bundle inlet (9) is disposed on the separation device (21).

The utility model relates to the technical field of leveling mechanism, specifically disclose a leveling mechanism for large thick plate leveling cross cut production line, including leveling device support, the inside sliding installation of leveling device support has upper compression roller subassembly, and the below of upper compression roller subassembly is provided with lower compression roller subassembly, be provided with lubricating assembly for lubrication on the leveling device support, the upper compression roller subassembly includes upper compression roller support, and the inside sliding installation of upper compression roller support has upper compression roller main part, the top fixed setting of upper compression roller support has first mobile sliding block, the lower compression roller subassembly includes lower compression roller support, and the inside rotation of lower compression roller support is installed with lower compression roller main part, the utility model discloses the upper compression roller subassembly and lower compression roller subassembly that set up, can slide on leveling device support through the link sliding slot, can drag upper compression roller subassembly and lower compression roller subassembly to the one side of leveling device support to convenient operation to upper compression roller subassembly and lower compression roller subassembly.

The present application provides a perovskite quantum dot active light-emitting display array based on a TFT drive array, wherein the source or drain of the TFT drive array is connected to the positive electrode of an indium tin oxide (ITO) thin film; the ITO is used as one of the electrodes of a perovskite quantum dot light-emitting diode; the perovskite quantum dot light-emitting diode comprises a hole injection layer, a hole transport layer, a perovskite quantum dot light-emitting layer, an electron transport layer, and an electrode layer. The present application uses a TFT drive array as a substrate for a perovskite quantum dot LED, and by adjusting the carbon chain length and ligand density of the ligands on the surface of the perovskite quantum dot, the equivalent resistance of the perovskite quantum dot LED is matched with the output equivalent resistance of the TFT drive array, thereby directly preparing a perovskite quantum dot three-primary color active light-emitting array on the TFT drive array.

The utility model discloses a dressing change frame for nursing, relates to the technical field of medical nursing, aims to solve the problem that a patient with an injured arm feels very uncomfortable because the arm needs to be lifted for a long time in the dressing change process, and comprises a frame body, four universal wheels are arranged at the bottom of the frame body, and the universal wheels are arranged on the frame body. A top plate is mounted on the frame body, a dressing change plate is slidably connected to the lower surface of the top plate, an arm bracket and a wrist bracket are arranged on the upper surface of the dressing change plate, an arc-shaped notch matched with an arm is formed in the arm bracket, an avoiding groove is formed in the dressing change plate, and the wrist bracket is arranged in the avoiding groove. The receding groove is formed between the arm bracket and the wrist bracket.

The utility model discloses an ear canal aspirator for ear-nose-throat department nursing, which relates to the technical field of medical instruments, and comprises a box body, a box door is fixedly arranged at the left part of the front side of the box body, an adjusting and dismounting assembly is fixedly arranged at the left side of the box body, and a fixing assembly is fixedly arranged at the left part of the upper end of the box body. A suction assembly is fixedly installed in the middle of the right side of the box body, and a handle is fixedly installed on the right portion of the lower end of the box body. According to the ear canal aspirator for nursing in the otolaryngology department, dirt at all angles in ears of a patient can be cleaned up by adjusting the rotating angle of the adjusting pipe through the adjusting and detaching assembly, meanwhile, the adjusting pipe and the inner pipe can be rapidly detached and cleaned, the follow-up working state of the aspirator cannot be affected, and the operation is convenient. The filter plate can be conveniently detached and fixed through the fixing assembly, dirt in the auditory meatus can be sucked to the filter plate, cleaning and collecting are convenient, and earwax on the outer wall of the auditory meatus can be sucked through the adjusting pipe through the suction assembly.

The side roller surface treatment and flaw detection device comprises a supporting roller set, a surface grinding mechanism and a flaw detection mechanism, the surface grinding mechanism and the flaw detection mechanism are arranged on a movable support, the supporting roller set supports and drives the roller to rotate, and the surface grinding mechanism comprises an abrasive belt grinding machine and an angle adjusting mechanism. An adjusting roller set of the angle adjusting mechanism is composed of two adjacent adjusting rollers, the two ends of the adjusting roller set are connected with the lifting mechanism, and the abrasive belt penetrates between the two adjusting rollers. The flaw detection mechanism comprises a belt moving device and a flaw detection head, the belt moving device comprises a driving wheel, a driven wheel and a driving belt, the flaw detection head is connected with the driving belt through a grooved wheel and moves along with the driving belt, the distance between the driven wheel and the driving wheel is adjustable, one end of the driving wheel is provided with a deflector rod, and when the grooved wheel reaches the side of the driving wheel, the deflector rod shifts the grooved wheel to rotate the flaw detection head. According to the invention, the detection surface of the large roller can be comprehensively polished, and comprehensive flaw detection can be realized.

The invention discloses a method for repeated weeding and grass planting through vegetation concrete and a weeding tool, and belongs to the technical field of slope repeated planting. Evaluating the growth condition of the slope plants; grass planting work is carried out after weeding work is carried out on the vegetation concrete slope with the growth condition not reaching the standard; the growth condition of repeated grass planting is evaluated within 28 days; and carrying out supplementary grass planting work on the substandard slope section. Meanwhile, a weeding tool is invented for weeding work and comprises a vacuum flushing and sucking circulating ground breaking probe, a vacuum generator, a vacuum flushing and sucking hinged pipe joint, a sliding mechanism, a multi-shaft sliding rail stand, a guide connecting mechanism, a pipe joint contraction box, a biological capsule storage box, a vacuum waste storage box, a pressure water storage box and a main machine body stand. By using the method and the tool provided by the invention, quantitative evaluation of the growth condition of the vegetation concrete slope plants is realized, and the problems that the vegetation concrete structure is damaged, the removal effect is poor and the efficiency is low in weeding work are solved.

The invention discloses a practical training system for simulating an electronic belt scale and a control method thereof in the field of practical training systems, and the system comprises a belt mechanism which comprises a belt and a driving device for driving the belt to rotate; the feeding mechanism is used for conveying materials to the belt; the belt is provided with a weighing area used for measuring the weight of materials. One end of the amplification mechanism is connected with the weighing area, and the other end is connected with the weight sensor; the state acquisition unit is used for acquiring the motion state quantity of rotation of the belt; the control unit comprises an input module and a control module; and the input module is also connected with a potentiometer. According to the practical training system for simulating the electronic belt scale, the weighing area is connected with the weight sensor through the amplification mechanism, materials with actual weight do not need to be placed on the belt, the overall size and weight of the system are reduced, the structure is simple, operation is convenient, training guidance and skill practical training work can be met, and the practical training efficiency is improved. And a support is provided for skill improvement of maintenance, technicians and operators.

The present invention discloses a peanut harvester clamping and conveying hydraulic drive system and a method for preventing blockage, comprising an engine, a variable pump, a safety valve, a directional control valve, a flow control valve, a flow sensor, a hydraulic motor, a pressure sensor, a speed sensor and a central control unit, wherein the engine is connected to the variable pump to drive the variable pump to operate, the variable pump is connected to the directional control valve, the directional control valve is connected in series with the flow control valve, the flow sensor, the pressure sensor and the hydraulic motor in sequence, the speed sensor is installed on the output shaft of the hydraulic motor, the central control unit is a total control unit, and is electrically connected to the variable pump, the directional control valve, the flow control valve, the flow sensor, the pressure sensor and the speed sensor respectively, and the variable pump is connected in parallel with the safety valve. The present invention realizes dynamic adjustment of the clamping and conveying system, and effectively avoids blockage and damage caused by excessive load during operation.

The utility model discloses a raw material crusher which comprises a crushing bin and a screening driving mechanism, symmetrically-distributed crushing rollers are rotationally connected into the crushing bin, gears are fixedly connected to the rear ends of the crushing rollers, the two gears are connected in a meshed mode, a filtering bin is arranged at the lower end of the crushing bin, a discharging opening is formed in the lower end of the front side surface of the filtering bin, and an inclined plate is fixedly connected to the lower end of the filtering bin; symmetrically-distributed supports are fixedly connected to the inner walls of the left side and the right side of the filtering bin, sliding rods are fixedly connected between every two longitudinally-adjacent supports, connecting bases are slidably connected to the middles of the sliding rods, a screening hopper is fixedly connected between the connecting bases, an arc plate is fixedly connected to the lower end of the interior of the smashing bin, and evenly-distributed through holes are formed in the arc plate; the lower ends of the crushing rollers vertically correspond to the upper ends of the arc plates; according to the raw material pulverizer, pulverized medicine raw materials can be screened, and the purity and dispersity of the pulverized medicine raw materials are effectively improved.

The utility model relates to a high pressure resistant type deep sea hydrophone, and relates to the field of hydrophones, the high pressure resistant type deep sea hydrophone comprises a housing used for accommodating a hydrophone body, the top of the housing is provided with a top cover, a vibration damping assembly is arranged between the housing and the hydrophone body, and the top cover is provided with a through hole for a cable of the hydrophone body to pass through. The hydrophone has the advantages that the stability and reliability of the hydrophone body during deep sea operation are improved, and the service life is prolonged.

The present invention relates to the field of air conditioning control technology, and specifically provides a control method and system for a multi-split air conditioner, which aims to solve the problem of how to ensure the overall function of the multi-split air conditioner to the greatest extent to improve the user experience after the indoor unit in the multi-split air conditioner is disconnected from the outdoor unit due to abnormal reasons. To this end, when the present invention detects that there is an indoor unit that is disconnected from the outdoor unit, the multi-split air conditioner can be controlled according to the proportion of the number of indoor units with disconnected communication to the total number of indoor units. Through the above-mentioned configuration, the present invention can achieve the normal operation of the multi-split air conditioner when a small number of indoor units in the multi-split air conditioner are disconnected from the communication due to abnormal reasons, and can also retain the cooling and heating functions and effects of the multi-split air conditioner to the greatest extent before after-sales maintenance, thereby improving the fault tolerance of the multi-split air conditioner and further improving the user experience of the multi-split air conditioner.

The utility model discloses a plastic raw material color mixing device, and relates to the technical field of plastic mixing and stirring. The plastic raw material color mixing device comprises a stirring tank main body, the side surface of the stirring tank main body is fixedly connected with a control cabinet, the upper surface of the stirring tank main body is provided with an upper cover, the top of the upper cover is provided with a manual-electric double-control feeding device, the manual-electric double-control feeding device comprises a feeding pipe, and the feeding pipe is fixedly connected to the outer surface of the upper cover; a rectangular plate is fixedly connected to the outer surface of the feeding pipe, a second motor is connected to the upper surface of the rectangular plate through bolts, the feeding valve is adjusted through a control system starting or stopping instruction in the second motor, and due to the fact that the feeding valve is used in cooperation with a manual control feeding valve, the problem that existing equipment is low in efficiency is solved; when electric control fails, manual control can be used in time, waste of materials in the stirring tank due to faults of the electric control is avoided, and normal work of the stirring tank is achieved.