525results about How to "Realize automatic switching" patented technology

The invention provides an HPLC (High Performance Liquid Chromatography) and micropower wireless dual-mode communication frequency self-adaption method, which belongs to the technical field of dual-mode communication and comprises the following steps: firstly, establishing dual-mode communication by initializing parameters such as carrier frequency, sending power and modulation mode; secondly, electromagnetic interference signals in a power line channel are collected, and a linear superposition noise model containing a time domain weight is established to predict noise characteristics; meanwhile, a zero-crossing point time sequence of the power line signal is analyzed, and a zero-crossing point feature vector is constructed. And in combination with noise spectrum prediction and zero crossing point features, solving a convex optimization problem to obtain an optimal carrier frequency and other communication parameters. For micropower wireless communication, a channel quality evaluation matrix is constructed based on indexes such as signal strength, channel busy degree and bit error rate, an interference prediction model is established, and wireless communication parameters are optimized through quadratic programming. And finally, establishing a switching decision function according to a set communication quality threshold, and realizing self-adaptive switching of dual-mode communication so as to ensure the overall communication quality.

The invention relates to the technical field of medical instruments, and provides electric coagulation forceps with an intraoperative nerve detection function and a control method for the electric coagulation forceps to automatically switch a nerve stimulation function and an electric coagulation function, and the electric coagulation forceps comprise a high-frequency excitation identification circuit, a controller and a nerve monitoring switching circuit. The high-frequency excitation identification circuit is used for generating a corresponding induction signal according to whether the high-frequency excitation signal is detected; the controller generates a first control signal, starts timing and determines target delay time after determining that the electrocoagulation cutting function of the pair of electrocoagulation forceps is converted from an on state to an off state according to the induction signal, and generates a first prompt signal to indicate the prompt device to generate first prompt information after the timing time reaches the target delay time; the user is prompted; the nerve monitoring switching circuit is used for responding to the first control signal and outputting a nerve stimulation signal of the nerve monitor through the forceps tips, so that the nerve tissue damage probability is reduced while automatic function switching is achieved.

The utility model relates to the technical field of circuits capable of automatically changing measuring ranges, in particular to a multi-measuring-range automatic switching circuit, which comprises measuring range control circuits with a plurality of measuring ranges, and is characterized in that each measuring range control circuit is used for carrying out current measurement in a corresponding measuring range so as to be displayed on an ampere meter; the current detection circuit is connected with each range control circuit and is used for detecting the current of each range control circuit; and the MCU main controller is respectively connected with the current detection circuit and each range control circuit and is used for comparing the current of each range control circuit with the corresponding set current and controlling whether each range control circuit is conducted or not according to the result. The situation that ampere meters with different measuring ranges are manually replaced can be reduced.

The utility model relates to a photoetching machine for automatically switching high multiplying power and low multiplying power, and belongs to the technical field of laser direct writing equipment. According to the utility model, by arranging the automatic switching photoetching system, not only can automatic switching of objective lenses with different multiplying powers be realized, but also accurate photoetching, alignment and focusing can be realized, so that pollution to the environment of an optical machine room caused by manual switching of the objective lenses by a user is avoided, and the photoetching process is not influenced; and meanwhile, real-time focusing alignment can be carried out through the focusing system, so that the accuracy of the photoetching process is further improved.

The invention discloses a numerical control high-precision numerical control tool for machining automobile parts, and relates to the technical field of numerical control tools, the numerical control high-precision numerical control tool comprises a tool apron, and a tool bit and a clamping block which are mounted in the tool apron, and further comprises a blade mounted at the end part of the tool bit, and mounting grooves for mounting the tool bit and the clamping block are formed in two sides of the tool apron; a mounting shaft is fixedly mounted in the middle of the tool apron, and a flow guide assembly used for conveying cooling liquid is mounted in the mounting shaft and the tool apron. The tool apron is arranged, the tool bits are mounted on the two sides of the tool apron through the mounting grooves, the flow guide assembly is arranged in the tool apron, the conveying assembly is arranged in the tool bits, and the flow guide assembly and the conveying assembly can achieve conveying and guiding of cooling liquid so as to achieve spraying of the cooling liquid in the cutting position; and conveying of cooling liquid is completed in the tool apron and the tool bit, the situation that cutting operation is affected by an external nozzle can be effectively avoided, and therefore convenience of numerical control machining is effectively improved.

The invention provides an inductive current measuring circuit capable of automatically switching measuring ranges and a current measuring method, and the circuit comprises a current sampling module which is used for sampling a current signal inputted by a secondary side of an inductive current sensor and converting the current signal into an AC sampling voltage signal; the voltage comparison and amplification module is used for comparing the alternating current sampling voltage signal with a set gear shifting reference voltage signal, outputting a level signal to a driving switch according to a comparison result, and outputting the alternating current sampling voltage signal; and the driving switch is used for switching on and off according to the level signal so as to switch gears. The device and the method do not need to be realized through programming of a single chip microcomputer, high and low gears are automatically adjusted by directly utilizing a current signal input by the secondary side of the sensor to realize automatic switching of the measuring range, and an alternating current sampling voltage signal is output while gear switching is carried out, so that subsequent processing and analysis of a processor are facilitated.

The invention discloses an intelligent heat treatment device for automobile parts, and relates to the technical field of heat treatment. To solve efficiency problems; the device specifically comprises a support, a belt type conveying assembly is arranged on the inner side of the top of the support, a discharging assembly is arranged above the end of one side of the support, a material jacking assembly and a high-frequency heating assembly are arranged on the two sides of the upper portion of the support respectively, a cooling pond is arranged on one side of the support, and a material taking assembly is arranged on the top of the cooling pond. The discharging assembly comprises a hopper, a first partition plate and a second partition plate, the first partition plate and the second partition plate are slidably connected to the lower portion of the hopper, the outer wall of one side of the hopper is rotationally connected with a first connecting shaft, a lever is fixedly installed on the outer wall of the first connecting shaft, and kidney-shaped holes are formed in the two ends of the lever. According to the automatic feeding device for the transmission shafts, the hopper is used for stacking the transmission shafts, then the principle that the lever drives the first partition plate and the second partition plate in the reverse direction is used, and therefore the stacked transmission shafts can be gradually fed one by one, the automatic feeding process of the transmission shafts is achieved, and the heat treatment efficiency is improved.

The invention discloses a heat storage tank-containing heat supply system scheduling method considering heat storage and release role changes, which comprises the following steps of: additionally arranging a heat storage tank in a primary network urban area between an original urban heat supply system pressure separation station and each heating station, and adjusting a supply-demand imbalance operation condition into a supply-demand balance operation condition through the heat storage tank, the urban heat supply system containing the heat storage tank is formed; setting a heat storage tank role change mechanism; based on the corrected heat supply network hydraulic working condition calculation model and a heat storage tank role change mechanism, combining heat load demand change of each heating station and supply and demand imbalance operation working condition identification information, and analyzing the influence on the heat supply network hydraulic working condition during heat supply network flow distribution and heat storage and release of a heat storage tank; the flow of the heat supply network pressure separation station side, the heat storage tank and each heating station in each time period is distributed; correspondingly communicated water pumps and valves are regulated and controlled; and flow distribution and evaluation of regulation and control effects of the water pump and the valve are performed.

The present invention provides an adaptive RS232 and RS485 interface circuit, including a connector, a communication switching module, an identification module, an active control selection module, an RS232 interface communication module, an RS485 interface communication module, and a logic control circuit. The connector is arranged at a physical interface for accessing an external communication device, the identification module is used to identify the physical interface type of the external communication device, and control the communication switching module to switch the interface communication module according to the identification result, the communication switching module is respectively connected to the RS232 interface communication module and the RS485 interface communication module, and the channel is selected by an analog switch to complete the automatic switching of the RS232 or RS485 communication mode, and the logic control circuit is respectively connected to the RS232 interface communication module and the RS485 interface communication module using a logic and gate chip. The present invention can realize the automatic identification and automatic switching of RS232 and RS485 communications, and has the advantages of high automation, low technical risk, low cost, domestic controllability, flexible control, high reliability, etc.

The present invention provides a pre-phosphorus removal and post-endogenous denitrification coupled MBR sewage treatment system and process. The system mainly includes a pre-phosphorus removal unit, a post-endogenous denitrification unit and a sludge return unit. The effluent from the grit chamber enters a flocculation sedimentation phosphorus removal tank for phosphorus removal; then the supernatant enters a post-endogenous denitrification unit, and denitrifying bacteria absorb carbon sources in the anaerobic tank. In the dynamic aerobic tank, dynamic and precise nitrification is carried out in conjunction with detection instruments and control equipment, and then post-endogenous denitrification is carried out in the anoxic tank, thereby achieving deep denitrification; the effluent and sludge from the anoxic tank enter the MBR membrane tank and the sludge return unit, and a double return system is adopted to maximize the function of the anaerobic zone, or a pre-anaerobic zone is set up to divert the influent and reduce the impact of high dissolved oxygen in the MBR membrane tank on the denitrifying bacteria. The system and process solve the problems of low denitrification efficiency of traditional pre-denitrification, the sludge age contradiction between post-biological phosphorus removal and denitrification, high suspended solids in biochemical effluent, and the inability to selectively increase sludge concentration in winter.

The utility model discloses a multi-working-condition full-automatic pool cooling system which comprises a vacuum water tank, the vacuum water tank is connected with a cooling water pump inlet pipeline, and the cooling water pump inlet pipeline is connected with the inlet end of a low-temperature cooler and the inlet end of a high-temperature cooler. Outlet pipelines of the low-temperature cooler and the high-temperature cooler are connected with a water tank side water supply pipeline; the cooling water pump inlet pipeline is provided with a cooling water pump, the pipeline of the cooling water pump is provided with a cooling water pump inlet electric ball valve, and the outlet pipeline of the cooling water pump is provided with a cooling water pump outlet local pressure gauge and a cooling water pump outlet remote transmission pressure transmitter; the inlet ends of the low-temperature cooler and the high-temperature cooler are connected with a circulating cooling water pipeline, and all the electric valves and the sensors are electrically connected with the control cabinet. The control system compares the real-time temperature value of the cooling water with the set value of the system, manual valve opening and closing and water pump starting are not needed, the function requirement for adjusting the temperature of the cooling water is met, and the system can be suitable for various working conditions.

The utility model discloses a colorful lamp effect wire with a multi-layer circuit structure, a wire shell is made of a flexible material with light transmission performance, and at least two inner cavity wire slots are arranged in the wire shell; the conductive wires and the LED soft lamp strips penetrate into the corresponding inner cavity wire grooves to achieve arrangement. And the overall cross-sectional area of the inner cavity wire slot is larger than the cross-sectional areas of the LED flexible lamp strip and the conductive wire. In the using process of the wire, the wire shell can bear direct pressure and torsion, and the technical effect of protecting the internal conductive wire and the LED soft lamp strip is achieved; when the wire shell is stressed to cause deformation and distortion, the inner cavity wire slot with a larger space can provide enough buffer space for the conductive wire and the LED flexible lamp strip when the conductive wire and the LED flexible lamp strip deform along with the wire shell, so that the conductive wire and the LED flexible lamp strip can be naturally bent, deformed, moved and the like in the inner cavity space, and the influence of unsoldering, breakage and the like on the conductive wire and the LED flexible lamp strip is avoided. And the light effect is more colorful and diversified, the overall brightness is higher, and diversified light mode switching can be achieved.

The utility model provides a scanning type sewing machine capable of automatically switching programs, and relates to the technical field of sewing equipment. Comprising a sewing main body suitable for sewing a workpiece and a control system, a clamping frame is arranged on the sewing main body, a scanner is installed on the clamping frame, the scanner is suitable for scanning a bar code which is arranged on the workpiece and carries program information, and the scanner is connected with the control system. And when the bar code on the workpiece is scanned, the control system drives the sewing main body to automatically reset and switch to a program corresponding to the bar code. Through the scheme, the working efficiency of the sewing machine can be improved, and human errors are reduced.

The invention discloses a wire cutting machine capable of automatically switching electrode wires, which is provided with a wire passing channel for the electrode wires to automatically pass through, and comprises a first wire storage mechanism, a second wire storage mechanism and a third wire storage mechanism, the second wire storage mechanism is used for winding a second electrode wire; the clamping and conveying mechanism can clamp the electrode wires forwards or backwards, and the electrode wires comprise the first electrode wire and the second electrode wire; the switching mechanism can drive the first electrode wire or the second electrode wire to penetrate into the wire penetrating channel in a butt joint mode so that automatic wire penetrating and cutting can be achieved. The switching mechanism is used for achieving switching between the molybdenum wire and the copper wire, the molybdenum wire is used for primary roughing, the copper wire is used for secondary trimming, automatic wire penetrating and automatic cutting are combined, the two procedures are integrated on one device, automatic switching is achieved, the technological process is greatly simplified, the standby time is shortened, meanwhile, the characteristics and cost of the copper wire and the molybdenum wire are considered, and the production efficiency is improved. And the machining cost is reduced, the automation degree of equipment is greatly improved, and the machining efficiency is remarkably improved.

The invention discloses a laser radar zero-blind-area detection system and method based on automatic switching of far and near fields, and solves the problem of low signal receiving efficiency of detection blind areas and far and near fields 100 meters below the ground in the prior art. According to the system, laser emission beams are respectively transmitted along coaxial and off-axis paths through a light splitting module, an aperture diaphragm automatic adjusting device is introduced, a receiving aperture is automatically switched according to far and near field imaging characteristics, and efficient coupling of signals and optimized receiving under a weak light condition are ensured. The system combines far and near field signals to the same optical path by using an automatic beam combination switching device, realizes multichannel signal detection, and supports multifunctional atmospheric parameter monitoring such as aerosol, Raman scattering and the like. The control and data processing system automatically manages signal switching and data processing, operation is simplified, and data reliability is improved. The technology is obviously superior to the prior art in the aspects of detection precision, system integration degree and multifunctional detection capability, and system complexity and cost are reduced.

The utility model discloses an air source heat pump system. A domestic hot water heat exchanger comprises a refrigerant outlet and a refrigerant inlet. The outdoor heat exchanger comprises a first refrigerant connector and a second refrigerant connector. The air conditioner side heat exchanger comprises a third refrigerant connector and a fourth refrigerant connector. One path of the first throttling module is provided with a first refrigerant flow adjusting device, and the other path is provided with a first one-way valve. One path of the second throttling module is provided with a second refrigerant flow adjusting device, and the other path is provided with a second one-way valve. The refrigerant inlet is connected with an outlet of the compressor. The refrigerant outlet is connected with the inlet end of the bypass pipeline through the first reversing valve and connected with the first refrigerant connector and / or the third refrigerant connector. And the second refrigerant interface is connected with the fourth refrigerant interface through the first throttling module and the second throttling module. And the outlet end of the bypass pipeline is connected between the first throttling module and the second throttling module. The first refrigerant connector and / or the third refrigerant connector are / is connected with an inlet of the compressor. Automatic switching between total heat recovery and partial heat recovery during refrigeration can be achieved, and flexibility in different modes is improved.

The invention discloses an axle housing casting device of a dumper, which belongs to the field of axle housing casting and comprises a base, a gantry support for supporting is fixedly mounted on the upper surface of the base, a casting part for casting an axle housing is arranged in the middle of the inside of the gantry support, and a moving plate is arranged above the casting part. The movable plate is used for changing the state of a casting part, a cooling part used for cooling is fixedly installed on the upper surface of the base, the casting part comprises a center mold, mold cover plates are arranged on the upper side and the lower side of the center mold, and a plurality of evenly-distributed guide rods are fixedly installed on the upper side and the lower side of the center mold. According to the device, the casting part is arranged, so that cooling and casting work can be carried out at the same time, automatic switching of casting and cooling is achieved, the working efficiency of the device is improved, the operation time is shortened, the production process is optimized, and then the yield is improved.

The invention relates to the technical field of target tracking, in particular to an aircraft target tracking method and optical measurement equipment, and the aircraft target tracking method comprises the steps: tracking an aircraft target according to the current target miss distance in the process that the aircraft target flies at the first stage; in the middle flight process of the aircraft target, fitting based on the current target miss distance, the pitch angle parameter of the optical measurement equipment and the azimuth angle parameter of the optical measurement equipment to obtain an extrapolation motion track, and tracking the aircraft target according to the extrapolation motion track; and in the process that the aircraft target flies at the end, processing the currently acquired image by adopting a centroid tracking algorithm to obtain a second bounding box parameter, optimizing the first bounding box parameter and the second bounding box parameter to obtain a target bounding box parameter, and tracking the aircraft target according to the target bounding box parameter. The method is at least beneficial to improving the precision of aircraft target tracking.

The present invention relates to the field of air conditioning technology, and specifically to a self-cleaning industrial air conditioner suitable for a textile environment, comprising: a main air duct, a filtering mechanism, two wind shielding mechanisms, a driving mechanism and an air guide duct, wherein one end of the main air duct is a main air inlet, and the other end of the main air duct is a main air outlet, a secondary air inlet and a secondary air outlet are provided at intervals on the bottom surface of the main air duct, a sewage outlet is provided on the side wall of the main air duct, the filtering mechanism is arranged in the inner cavity of the main air duct and is located between the secondary air inlet and the secondary air outlet, the two wind shielding mechanisms are arranged in the inner cavity of the main air duct and are located on both sides of the filtering mechanism, and the driving mechanism is arranged on the top surface of the main air duct. The present invention utilizes two wind shielding mechanisms to change the gas flow direction in the main air duct, thereby achieving the effect of gas back-blowing the filter screen, and cleaning the filter screen; through the filtering mechanism, a vibration effect is generated while the gas flows back through the filter screen, thereby improving the cleaning effect of the filter screen.

The cable branch box comprises a box body, the box body is divided into an upper cavity and a lower cavity, a trapezoidal opening is formed in the front end of the upper cavity, a trapezoidal box door is hinged to the trapezoidal opening, a mounting plate is arranged in the upper cavity, three mounting holes are formed in the mounting plate, two-way sleeves are inserted into the three mounting holes, and the two-way sleeves are connected with the trapezoidal box door. One side of the upper cavity is provided with an electrified display and a grounding end, outgoing lines of the three bidirectional sleeves are bound into a whole through a winding pipe and are connected with a connecting line of the electrified display, a grounding line of the electrified display is connected with the grounding end, and the bottom of the lower cavity of the box body is provided with line outlet holes corresponding to the bidirectional sleeves in position. The cable branch box has remarkable advantages in the aspects of design and application of the cable branch box, and a more efficient and safer solution is provided for cable branch connection and monitoring.

The invention relates to a multi-parameter monitoring and early warning system for the operation condition of a motor speed reducer transmission device. The multi-parameter monitoring and early warning system comprises a parameter acquisition unit, an anti-interference module, a remote I / O module, an industrial local area network and a computer terminal. The operation condition of the motor reducer transmission device can be monitored, hidden dangers can be found in the first time, shutdown accidents caused by faults due to the fact that the hidden dangers are expanded are avoided, and production stability can be effectively guaranteed.

The invention provides a centralized power supply device for fire-fighting emergency lighting, and relates to the technical field of emergency lighting light source control, the centralized power supply device comprises an inner cabinet body and an intelligent regulator, the lower end of the inner cabinet body is provided with an outer edge part, the outer side of the inner cabinet body is sleeved with an outer cabinet body, a heat dissipation cavity is formed between the outer cabinet body and the inner cabinet body, and the upper end of the outer cabinet body is provided with an air cooling assembly; liquid cooling assemblies are installed on the two sides in the outer cabinet body, an intelligent controller is installed on the inner side of the inner cabinet body through a fixing frame, a control algorithm and a BMS battery management system are preset in the intelligent controller, a main battery bin and a standby battery bin are installed on the two sides in the inner cabinet body respectively, and a first ATS change-over switch is installed on the inner side of the inner cabinet body. The input end of the first ATS change-over switch is electrically connected with the main battery compartment and the standby battery compartment; by introducing a regulation and control algorithm, the air cooling assembly and the liquid cooling assembly can be intelligently regulated according to the temperature and the load of the centralized power supply device in the working process, so that the waste of electric energy is reduced.

The invention belongs to the technical field of communication, and provides a network connection mode switching method and terminal equipment. The method comprises the following steps: confirming an operation mode of the vehicle-mounted equipment; under the condition that the vehicle-mounted equipment operates in the access point mode, the vehicle-mounted equipment operates in a station mode and sends a connection request signal to the vehicle-mounted equipment; if the connection is successful, sending a mode switching request signal to the vehicle-mounted equipment; receiving a confirmation signal sent by the vehicle-mounted equipment; sending a network name and a password of the vehicle-mounted information entertainment system to the vehicle-mounted equipment; and switching to an access point mode and establishing connection with the vehicle-mounted equipment in response to a connection request signal of the vehicle-mounted equipment, the vehicle-mounted equipment being used for switching to a station mode and sending the connection request signal to the vehicle-mounted infotainment system based on the network name and password of the vehicle-mounted infotainment system. According to the invention, automatic switching of the network connection modes can be realized, switching of the network connection modes is more convenient, and driving safety is ensured.

A grinding and polishing device for machining a crankshaft of a diesel engine relates to the technical field of crankshaft part grinding and polishing and comprises a polishing and grinding workbench, the polishing and grinding workbench is a horizontally-arranged square table, and a swing positioning assembly, a sliding clamping assembly, a rolling rough grinding assembly and a rotating fine polishing assembly are arranged on the polishing and grinding workbench. The problems that when a grinding wheel grinding machine in the prior art is used for grinding and polishing the surface of a crankshaft, the grinding and polishing mode is single, the finish machining effect is influenced, grinding and polishing clamping and positioning are inconvenient, the machining efficiency is influenced, and self-adaptive grinding and polishing adjustment on different machining parts cannot be achieved are solved.

The invention relates to the technical field of building material welding, in particular to a full-automatic multi-point mesh welding machine based on a rolling type positioning structure, which comprises a bottom plate, two bases and two guide rails are arranged at the top of the bottom plate, an electric sliding plate is slidably connected in the bases, an electric sliding seat is slidably connected in the guide rails, and a bearing frame is fixedly connected to the top of the electric sliding plate. A circular groove is formed in the inner side of the bearing frame, a rotary disc is movably connected into the circular groove through a bearing, and a material supporting assembly is arranged on the outer side of the rotary disc. Compared with the prior art, a plurality of annular metal positions are fixed in advance, then the material clamping assembly and the material supporting assembly are matched with each other, continuous feeding, continuous positioning and fixing of long-strip metal are achieved, and the process has the advantages of automatic feeding, automatic butt joint fixing and positioning and automatic welding position switching; and the welding efficiency and quality of the reinforcement cage are greatly improved.

The utility model discloses a wool knot color point fancy yarn processing device, which relates to the technical field of yarn preparation, and comprises a counterweight bottom box, an equipment loading plate is arranged above the counterweight bottom box, a support connecting plate is fixedly connected between the counterweight bottom box and the equipment loading plate, the upper side of the counterweight bottom box is provided with a rotation assembly, and the rotation assembly is fixedly connected with the equipment loading plate. A plurality of take-up rollers are detachably connected to the rotation assembly, a reciprocating lead screw is fixedly embedded in the equipment loading plate, an internal thread column casing is in threaded connection with the outer side of the bottom of the reciprocating lead screw, a second motor drives a transmission gear to rotate, the transmission gear is meshed with a transmission gear ring, and the transmission gear ring drives a horizontal swing plate to rotate in one direction. The horizontal swing plate drives the circular sliding rod to revolve around the reciprocating lead screw, the circular sliding rod pushes the right-angle folded plate to rotate, and the internal thread column barrel is in threaded fit with the reciprocating lead screw, so that the internal thread column barrel can do reciprocating motion, the right-angle folded plate ascends and descends, and yarn can be evenly wound around the periphery of the internal thread column barrel.

The invention discloses differential gear tooth seam chipping flushing equipment, and belongs to the technical field of differential gear cleaning, the differential gear tooth seam chipping flushing equipment comprises a support and a case arranged above the support, a vertically arranged lifting mechanism is arranged in the case, a cleaning support is arranged on the lifting mechanism, and a mounting seat is rotatably arranged in the cleaning support; a first rotating drive for driving the mounting base to rotate is arranged on the side wall of the cleaning support, multiple sets of self-switching type inner supporting clamps arranged in a rotating mode are arranged on the side wall of the mounting base, a second rotating drive for driving the multiple sets of self-switching type inner supporting clamps to rotate is arranged on the mounting base, and the machine box comprises a ventilation cavity and a cleaning cavity which are vertically through. A feeding opening is formed in the side wall of the ventilation cavity, and a swing type flushing mechanism is arranged in the cleaning cavity. According to the flushing equipment for the tooth seam chippings of the gear of the differential mechanism, automatic switching of the clamping positions is achieved through rotation, all-directional flushing and drying of the gear are guaranteed, and the flushing and drying requirements of a large number of gears can be met.

The invention relates to the technical field of air conditioners, in particular to a self-cleaning type industrial air conditioner suitable for a spinning environment, which comprises a main air duct, a filtering mechanism, two air blocking mechanisms, a driving mechanism and an air guide pipe, one end of the main air duct is a main air inlet, and the other end of the main air duct is a main air outlet; an auxiliary air inlet and an auxiliary air outlet are formed in the bottom face of the main air duct in a spaced mode, a drain outlet is formed in the side wall of the main air duct, the filtering mechanism is arranged in an inner cavity of the main air duct and located between the auxiliary air inlet and the auxiliary air outlet, and the two air blocking mechanisms are arranged in the inner cavity of the main air duct and located on the two sides of the filtering mechanism. The driving mechanism is arranged on the top face of the main air duct, the two air blocking mechanisms are used for changing the flowing direction of air in the main air duct, the effect that the air blows back the filter screen is achieved, and the filter screen is cleaned; and through the filtering mechanism, the vibration effect is generated while the gas reversely flows through the filter screen, and the cleaning effect on the filter screen is improved.

The invention relates to the technical field of tunnel drainage systems, in particular to a tunnel reverse slope excavation relay type automatic drainage system which comprises a monitoring platform, and a multi-stage drainage unit and a plurality of standby drainage units which are controlled by the monitoring platform and arranged in a tunnel. The monitoring platform comprises an algorithm module, a switching control module, a data acquisition control module and a learning module; the algorithm module is used for calculating the data uploaded by the data acquisition control module, respectively evaluating the working state and working trend of each drainage unit, respectively calculating a danger coefficient for each drainage unit according to the plurality of working states and working trends, and sending the danger coefficient to the data acquisition control module; the multiple danger coefficients are ranked from large to small, the drainage units which are about to go wrong are predicted according to the danger coefficients, the drainage units with the danger coefficients exceeding a danger threshold value are switched to standby drainage units, danger prediction is achieved, and the safety and progress of reverse slope construction are ensured.

This invention belongs to the field of metal processing, specifically a numerical simulation method for laser shock strengthening of complex structural parts with adaptive positioning, including the following steps: (1) establishing a structural model of the part; (2) meshing the structural model of the part; (3) customizing the parameters of the VDLOAD subroutine to generate an array of laser loading positions and impact pressures; (4) establishing dynamic explicit analysis steps and boundary conditions, and using the VDLOAD subroutine to calculate the residual compressive stress field formed on the surface of the part after laser shock. This method is based on the vertical mapping between the real-time normal vector of the free surface and the projection of the transient pressure in the VDLOAD subroutine to construct a surface adaptive judgment algorithm, ensuring that the transient pressure is always accurately aligned with the normal of the laser-shocked surface, while using a fully parameterized spatiotemporal array to generate laser loading positions and impact pressures in batches, realizing the simulation of the continuous laser shock strengthening process on the surface of any complex structural part.