886results about How to "Easy to switch" patented technology

The invention relates to the technical field of electric wheelchair control, in particular to a multi-mode navigation control method and system of an electric wheelchair controller. The method comprises the following steps: acquiring a real-time environment monitoring video based on an electric wheelchair high-definition camera; video jitter distortion compensation and dynamic object frame-by-frame continuous optical flow tracking are carried out on the real-time environment monitoring video, and a moving track of each dynamic object is generated; performing environment static obstacle accurate identification on the real-time environment monitoring video, and performing dynamic environment perception modeling based on a moving track of each dynamic object so as to generate a dynamic environment map; a navigation mode switching decision is made based on a real-time wheelchair operation instruction of the user to obtain a current navigation mode of the user, and the current navigation mode of the user comprises a rocker control mode and an intelligent navigation mode. According to the invention, efficient and intelligent multi-mode control of the electric wheelchair is realized, so that the electric wheelchair can more flexibly and safely cope with a complex environment.

The utility model relates to mesh spot welding equipment. The mesh spot welding equipment comprises a controller, the reinforcing steel bar assembling platform comprises a frame body, a longitudinal positioning assembly used for positioning and placing longitudinal reinforcing steel bars and a transverse positioning assembly used for positioning and placing transverse reinforcing steel bars. The material preparation frame is provided with an upper-layer material preparation area and a lower-layer material preparation area which are used for placing the reinforcing steel bar assembling platform; the moving mechanism comprises a three-axis moving platform and a positioning frame used for positioning and placing the steel bar assembling platform, the three-axis moving platform is arranged close to the material preparation frame, the three-axis moving platform drives the positioning frame to move, and the positioning frame can directly face the upper-layer material preparation area and the lower-layer material preparation area; the spot welding mechanism comprises a first lifting assembly, a second lifting assembly and an electrode welding machine, the electrode welding machine comprises a machine table, a first electrode column and a second electrode column, the first lifting assembly drives the first electrode column to move up and down, and the second lifting assembly drives the second electrode column to move up and down. The mesh cutting device can be used for processing meshes of various specifications, and is simple and convenient to adjust and high in efficiency.

The invention discloses an integrated device and method for comprehensively evaluating and measuring the filtering performance of a filter material in a filter tank. The integrated device comprises a box body structure, wherein a water inlet and outlet system, a filtering system, a backwashing system, a pressure difference measuring pipe system, a PLC control system and the like are arranged in the box body; the device adopts a water pump to feed water, the water inlet pressure adjusting range is wide, and the pressure drop difference of the filter layer can be equal to the thickness in a proper particle size range; when the filtering speed is too high, the permeability coefficient can be analyzed by adopting two or more than two pressure drop differences and an instantaneous filtering speed fitting change curve. The filtering system can set constant filtering speed and turbidity (suspended solids), the turbidity (suspended solids) and head loss are measured after the filtering system runs for a certain time, and the filtering performance of the filtering system is analyzed according to an index system. The water inlet and outlet ports of the filter column are arranged at equal intervals and in equal size, the measuring pipe can be detached and heightened, filter materials do not need to be replaced, gas and water backwashing can be achieved, integrated movement can be achieved, and switching of analysis and measuring modes of filter layers with different heights in the filter column is facilitated.

The present invention discloses a waste gas pretreatment separation device for RTO equipment, which specifically relates to the technical field of industrial waste gas treatment, including two separation chambers distributed in parallel and spaced apart, top covers can be detachably installed on the tops of the two separation chambers, one side of the two separation chambers is connected to an air inlet pipe, and the other side of the two separation chambers is connected to an air outlet pipe. The waste gas separation device of the present invention adopts a two-separation chamber design, and the active cut-off mechanism can move in the two separation chambers to complete targeted active cut-off. At the same time, the synchronous linkage switching unit is actuated, so that the separation chamber actively cut off by the cut-off plate completes the active filter cloth switching, without manual maintenance and replacement, saving time and labor, and reducing maintenance costs, and with the assistance of the limiting mechanism, during the switching process of the active cut-off mechanism, the limiting mechanism on the side of the filter cloth that needs to be replaced is moved, so that the limiting mechanism is separated from the filter cloth, so that the switching of the filter cloth is smoother and the resistance is reduced.

The embodiment of the invention provides an interaction method and device, electronic equipment and a storage medium. The method comprises the steps that explanation operation of a current user in a live broadcast page is received, the current user is an anchor of a live broadcast room corresponding to the live broadcast page, and at least one recommendation object exists in the live broadcast room; in response to the explanation operation, determining a first recommendation object corresponding to the explanation operation in the at least one recommendation object; a first explanation card corresponding to the first recommendation object is displayed on the live broadcast page, the first explanation card is used for switching the object state of the first recommendation object, and the object state comprises an explanation state and a non-explanation state. According to the embodiment of the invention, by adopting the technical scheme, the operation required for switching the object state of the recommended object in the live broadcasting room can be simplified.

The invention discloses an industrial dust remover convenient to clean, and relates to the technical field of industrial dust removers, the industrial dust remover comprises a box body and a dust removal assembly, and the dust removal assembly is arranged on one side of the box body; the dust removal assembly comprises a mounting groove, a sealing groove, a mounting frame, a sealing plate, a mounting opening, a rotating groove, a rotating plate, a partition plate, a filter bag, a ventilation opening, a ventilation spring, a ventilation plate, a tooth groove, a motor, a driving wheel, a water passing cavity and a cleaning opening, the mounting groove is formed in one side of the box body, the sealing groove is formed in one side of the mounting groove, and the mounting frame is connected into the mounting groove in a clamped mode. A sealing plate is connected to one side of the mounting frame, and mounting openings are formed in the sides, away from each other, of the mounting frame and the sealing plate. In the use process, the filter bags can be subjected to dust removal work in batches, and the filter bags can be conveniently switched, so that the filter bags with the reduced dust removal effect are cleaned, and tail gas after dust removal is used for cleaning and drying the filter bags, so that the cleaning effect of the filter bags is ensured.

The utility model discloses a speed reducer service life testing device. The speed reducer service life testing device comprises a test bench, a motor flange plate used for installing a servo motor, a speed reducer installing plate used for installing a speed reducer to be tested, and a torque sensor, wherein the motor flange plate, the speed reducer installing plate and the torque sensor are arranged on the test bench from front to back. The servo motor is connected with the speed reducer through an input shaft, and the speed reducer is connected with the torque sensor through an output shaft. The experiment table is provided with a plurality of key bars, a connecting plate and a mounting plate, the supporting assembly is connected with the key bars in a matched mode through mounting grooves, and the servo motor, the speed reducer, the torque sensor and the flange shaft are coaxially mounted. A positioning key strip is arranged on the test bench, and if the specification of the detected speed reducer needs to be replaced, the coaxiality in the horizontal direction is ensured while the length distance of a transmission chain is adjusted.

The invention relates to the technical field of strength detection, in particular to a TPU particle strength detection device. The invention provides a TPU particle strength detection device capable of simulating an extreme environment and realizing dynamic pressure simulation, which comprises a rack, a hydraulic cylinder mounted in the rack, a piston part of the hydraulic cylinder fixedly connected with a lifting frame, a pressing frame slidably connected in the lifting frame, and an impact frame slidably connected on the pressing frame, and telescopic rods which are symmetrically distributed are fixedly connected to the pressing frame. According to the device, conventional testing is conducted on TPU particles through the hydraulic cylinder, the lifting frame, the pressing frame, the pressure sensor and the like, then dynamic pressure testing is simulated through the impact frame, then the compression condition of the TPU particles in the extreme environment is simulated through the cold air channel and the heating wire, and the device integrates conventional testing, dynamic testing and extreme temperature testing; the performance of the TPU particles under different conditions can be comprehensively evaluated, the tedious process of respective testing is avoided, and the testing efficiency is improved.

The invention provides a communication method and device, and a computer readable storage medium, and the communication method comprises the steps: reporting first information, the first information comprising information related to the condition switching of a main cell and / or the condition adding / updating of a main cell and an auxiliary cell in a dual-connection scene. The invention provides a scheme for assisting the terminal equipment to perform dual-connection condition switching, so that the network equipment can analyze problems existing in the existing dual-connection condition switching based on the first information, the dual-connection condition switching is optimized, and the terminal equipment can smoothly complete the dual-connection switching later.

The invention relates to the technical field of power distribution cabinets, and discloses a dehumidification power distribution cabinet which comprises a cabinet body, an air pump is fixed to the inner top of the cabinet body, the top of the air pump is connected with the bottom of a dehumidification cylinder through an air exhaust pipeline, and the top of the dehumidification cylinder is connected with one side of the cabinet body through a second connecting pipeline. And a refrigerating machine is fixed to one side of the cabinet body, the second connecting pipeline penetrates through the refrigerating machine, and a channel is fixed to the top of the dehumidification cylinder. According to the dehumidification power distribution cabinet, a third rotating shaft and a fourth rotating shaft are connected in series through a connecting sleeve, while a second rotating shaft drives a corresponding clamping sleeve and a stirring rod to rotate, the third rotating shaft rotates to drive the fourth rotating shaft to rotate, and a fifth rotating shaft is driven by a third bevel gear, a fourth bevel gear and a belt transmission assembly to rotate; and the two stirring rods rotate at the same time, so that the drying agent in one net barrel is fully used, and meanwhile, the drying agent in the other net barrel can be fully regenerated.

The invention relates to the technical field of wastewater treatment, and provides a reverse osmosis (RO) concentrated water treatment method which comprises the following steps: step 1, treating sewage discharged by an RO concentrated water tank through a first catalytic ozonation module, a biological aerated filter module, a second catalytic ozonation module and a drainage reflux module in sequence; 2, online water quality detectors arranged at the water inlet ends of the first catalytic ozonation module, the biological aerated filter module, the second catalytic ozonation module and the drainage backflow module are used for monitoring water quality indexes in real time, and detection data are transmitted to an automatic control system; on-line water quality index detection is adopted, hysteresis of off-line detection is avoided, unattended operation, self-control operation and high process operation flexibility can be achieved, the method is suitable for application scenes with huge incoming water quality fluctuation, and parameters of the selected process module are easy to adjust and switch.

The embodiment of the invention discloses a media file playing processing method and device, and relates to the technical field of internet application. The method comprises the following steps: playing a first media file on a playing page by adopting a first mode; in response to a first event for triggering mode switching, switching to play the first media file in a second mode on the playing page and displaying information of a recommended media file set, the recommended media file included in the recommended media file set and the first media file belonging to the same content publisher; in the second mode, in response to a second event for triggering to play a second media file, switching to play the second media file on the playing page and keeping to adopt the second mode, and the second media file is a recommended media file in the recommended media file set. According to the method and the device, the coherent watching experience of the user in the second mode can be improved, the recommended media files in the recommended media file set can be conveniently and quickly switched and played, and the user operation is simplified.

The intelligent squatting and sitting dual-purpose closestool comprises a squatting pan, a mounting column is arranged on the rear side of a toilet pit of the squatting pan, two rotating plates are hinged to the front side of the mounting column, the horizontal section of each rotating plate is in a C shape, so that an opening is formed, and the edge of the bottom side of each rotating plate is slightly higher than the top wall of the squatting pan; the inner side wall of the rotating plate is basically flush with the side wall of the toilet pit, a servo motor is arranged in the mounting column, and the mounting column is provided with a sensor and a button. The two rotating plates rotate until the openings of the two rotating plates are opposite to each other, the front side edges of the two rotating plates are attached to each other, and at the moment, the top side edges of the two rotating plates can be used as a pedestal pan. After defecation, the two rotating plates can be automatically opened and reset, so that the probability that the rotating plates are polluted by urine is reduced, and the toilet bowl is cleaner and more sanitary.

The utility model discloses a switching water outlet device which comprises a shell, a first switching assembly and a second switching assembly, and a water inlet channel, a water passing channel, a first water passing cavity, a second water passing cavity, a first water outlet channel, a second water outlet channel and a third water outlet channel are arranged in the shell. The water inlet channel, the first water passing cavity and the first water outlet channel are sequentially communicated to form a first water outlet channel, and the water inlet channel, the first water passing cavity, the water passing channel, the second water passing cavity and the second water outlet channel are sequentially communicated to form a second water outlet channel. The water inlet channel, the first water passing cavity, the water passing channel, the second water passing cavity and the third water outlet channel are sequentially communicated to form a third water outlet channel; the first switching assembly comprises a first switching valve group and a first key, the second switching assembly comprises a second switching valve group and a second key, the second key is provided with a front pressing end and a rear pressing end, the rear pressing end is provided with a follow-up part, the first key is matched with the follow-up part in an up-down follow-up manner, and different water outlet paths can be directly and quickly switched through the arrangement.

The invention provides a display panel and a display device, which are used for enabling the display panel to support a peep-proof mode and a sharing mode and can simplify the preparation process of the display panel while ensuring the peep-proof display effect and the sharing display effect of the display panel. In the display panel, a light-emitting unit layer comprises a plurality of first-color light-emitting units, and the plurality of first-color light-emitting units at least comprise first light-emitting units and second light-emitting units; the plurality of light filtering units comprise a plurality of first color light filtering units and second color light filtering units which are different in color, and the first color light filtering units and the first color light emitting units are at least partially overlapped in the direction perpendicular to the plane where the substrate is located; the light shielding layer comprises a first light shielding part, a first opening and a second opening, and the first light shielding part at least comprises a first color light filtering unit and a second color light filtering unit which are arranged in a stacked mode.

The invention discloses a variable-rigidity passenger and freight car platform which is composed of an upper-layer car platform body, a lower-layer car platform body and a connecting piece layer between the upper-layer car platform body and the lower-layer car platform body, and the connecting piece layer between the upper-layer car platform body and the lower-layer car platform body is a variable-rigidity switching layer. In the passenger state, sufficient rigidity and damping are provided, the passenger carrying requirement is met, meanwhile, vibration and noise are reduced, and the riding comfort is better. And in the freight state, higher rigidity is provided, and the passenger and freight dual-purpose requirement is met.

The utility model discloses a handheld electronic bidet capable of rotatably switching spray. The handheld electronic bidet comprises a water storage barrel, a water pumping device and a nozzle. The water inlet end of the water pumping device is communicated with an inner cavity of the water storage barrel, the water outlet end of the water pumping device forms a water outlet connector, and a water outlet is formed in the side face of the water outlet connector; the nozzle is rotatably sleeved on the water outlet joint, the nozzle is provided with at least two water outlet cavities with different water spray, and the water inlet port of each water outlet cavity is movably communicated with the water outlet of the water outlet joint. According to the utility model, the switching of outlet water spray can be realized by rotating the nozzle, and the switching operation is convenient.

The invention discloses a building body unit capable of expanding and shrinking a space, a building body and equipment, and relates to the technical field of engineering constructions.The building body unit has a shrinking form and an expanding form which can be switched mutually and comprises a reference part, a plurality of first expanding parts and a plurality of second expanding parts; the number of times that the same first expansion piece and the same second expansion piece execute linear movement in the same axial direction or execute rotary movement around the same axial direction is one time. According to the building body unit, the building body and the equipment, each expansion piece is controlled to execute one-time linear movement or rotary movement in the same axial direction, the problem of more interference between the expansion pieces in the three-dimensional space deformation process can be solved, the implementation difficulty and cost of synchronous movement of the same expansion piece are effectively reduced, and the construction efficiency is improved. And the control precision of synchronous movement is improved, so that the deformation difficulty and the deformation cost of the expandable space are greatly reduced, and the feasibility, the stability and the reliability of the expandable space in engineering are improved.

The invention provides an edible agricultural product traceability accurate scanning device, and relates to the technical field of automatic identification and data acquisition equipment.The edible agricultural product traceability accurate scanning device comprises a code scanner and a conveying belt device for conveying agricultural products, a base mechanism is installed on the side face of the conveying belt device, and a supporting frame mechanism is installed on the code scanner; the base mechanism comprises an installation base, a clamping plate, a bottom frame and two adjusting rods, the supporting frame mechanism comprises a longitudinal rod, a transverse rod and a sliding sleeve, when the agricultural product code scanning traceability device is used, the agricultural product code scanning traceability device can be hung on side plates on the two sides of conveying belt equipment and can also stand on the ground for agricultural product code scanning traceability, the two use modes are convenient to switch, and the stability is enough; when the installation base is installed in the mode that the installation base is hung on the side plate, the effects of abutting against the bottom and clamping the side plate are achieved respectively, when the installation base is placed on the ground, the bottom face of the bottom frame is flush with the bottom face of the clamping plate, the levelness of the installation base is not affected, and the bottom frame and the clamping plate play different roles in different installation modes.

The invention belongs to the technical field of equipment guarantee, and particularly relates to a regional guarantee scheduling method based on a resource distribution view angle. According to the method, a regional guarantee scheduling model is established based on spatial distribution characteristics of resources by applying an optimal transmission theory, the regional guarantee scheduling model comprises a'combat marshalling-guarantee institution 'coarse-grained model of a regional task level and a'combat equipment-guarantee unit' fine-grained model of a specific task level, then expansion discussion of the model is carried out, and a regional guarantee scheduling model is established. And obtaining a method for guaranteeing scheduling under the perspective of resource distribution. The invention provides a regional guarantee scheduling model under the perspective of resource distribution, the prerequisite assumption of a traditional model is that the resource quantity is accurately predicted, the resource quantity in an actual task cannot be accurately predicted, but distribution characteristics can be obtained, and the optimal transmission theory is applied in the invention. The regional guarantee scheduling problem is converted into how to realize matching of guarantee demand distribution and guarantee supply distribution in the region in an optimal mode.

The invention discloses a partition display system and method based on a polarization body holographic grating, and belongs to the technical field of display, and the system comprises a light source layer, a collimation optical layer, an electric control light diffusion layer, a polarization body holographic grating array layer and a liquid crystal display layer which are sequentially arranged from bottom to top; the light source layer can independently generate left-hand circularly polarized light and right-hand circularly polarized light; the collimating optical layer can convert light emitted by the light source layer into collimated light beams; the electric control light scattering layer has a transparent mode and a scattering mode which can be switched; the polarization body holographic grating array layer is formed by alternately arranging left-hand circular polarization gratings and right-hand circular polarization gratings; when the electric control light scattering layer is in a transparent mode, the liquid crystal display layer only performs rendering display on an area through which refracted light of the polarization body holographic grating array layer passes; and when the electric control light scattering layer is in a scattering mode, the liquid crystal display layer renders and displays all areas through which light passes. The invention has the advantages of high luminous efficiency utilization rate, low visual area crosstalk, ultra-thinness and the like.

The invention relates to the technical field of waste gas treatment, and particularly discloses an organic waste gas recovery treatment system and method.The organic waste gas recovery treatment system comprises a buffer tank, a condensation system, a PSA adsorption system and a treatment system, the condensation system comprises an induced draft fan and a condensing unit, and a first inlet of the buffer tank is connected with a sample introduction pipeline; a first outlet of the buffer tank is connected with a first inlet pipeline of the condensing unit, an induced draft fan is arranged in a pipeline for connecting the buffer tank and the condensing unit, and a pressure transmitter is arranged on an inlet pipeline of the induced draft fan; the PSA adsorption system comprises a first activated carbon canister, a second activated carbon canister and a vacuum pump, and the treatment system comprises a gas mixer, a fan, a heat accumulating type oxidation furnace, a mixer and a bypass valve. According to the invention, the organic waste gas can be efficiently treated, the organic waste gas can be recycled to the greatest extent, the resource waste is reduced, the adsorbent replacement frequency, the plugging risk and the operation load of subsequent equipment are reduced, the cost is saved, and the economic efficiency is improved.

The invention relates to a motor support and fixed impeller automatic assembly feeding and discharging device which comprises a rack, a first circulation conveying line is arranged on the rack, and a support tightening mechanism, a fixed impeller feeding tightening mechanism and a screw feeder are sequentially arranged on the portion, beside the first circulation conveying line, of the rack. A second circulating conveying line is arranged on the portion, beside the fixed impeller feeding and tightening mechanism, of the rack, the fixed impeller feeding and tightening mechanism comprises a two-axis moving module and a CCD camera, and a second automatic screw locking mechanism and a servo motor are fixedly connected to a moving table of the two-axis moving module. A vacuum suction cup is fixedly connected to a rotating table of the servo motor. The device has the beneficial effects that the device can adapt to automatic tightening of a motor support and automatic feeding, reversing and assembling of the fixed impeller, the production efficiency of a motor shell is improved, and the device adapts to positioning placement of the fixed impellers with different diameters.

The utility model particularly relates to a negative pressure slurry adding tank which comprises a tank body and a slurry outlet located at the bottom of the tank body, the tank body is provided with a slurry inlet and an air port, and the slurry inlet has a first connection state in which the slurry inlet is detachably connected with a slurry adding connector and a second connection state in which the slurry inlet is detachably connected with a safety valve. The air port is hermetically connected with a vacuum generating device through a control valve, when the slurry inlet is in the first connection state, the control valve and the vacuum generating device are opened, and the vacuum generating device forms negative pressure in the tank body. When slurry needs to be added, the slurry inlet is connected with the slurry adding connector, the slurry adding connector can be connected with slurry through a slurry inlet pipe or other connecting pipelines, the vacuum generating device and the control valve are opened, negative pressure is formed in the tank body through the vacuum generating device, then the slurry in the charging barrel can be guided into the tank body, and the slurry adding process is rapid and convenient. When the slurry adding tank needs to supply slurry to other equipment, slurry can be supplied by closing the vacuum generating device and the control valve and connecting the slurry adding connector with the safety valve, and the two modes are convenient to switch.

The utility model provides a volume holographic optical waveguide display device with high uniformity. The volume holographic optical waveguide display device comprises an optical-mechanical system, a waveguide system and a control system, the waveguide system comprises a waveguide substrate and a grating structure arranged in the waveguide substrate, and specifically, the grating structure is a switchable Bragg grating array formed by holographic polymer dispersed liquid crystals. According to the utility model, the on-off state of the sub-grating is controlled by applying an electric field through the control electrode, and the sub-grating is controlled to be in a state with the maximum diffraction efficiency when being opened, so that the grating can couple most light energy in one-time diffraction, and the brightness and the uniformity of single-time light emission are improved; meanwhile, different coupling areas are switched in the grating structure through the control system, and the output view field freely moves in different grating areas, so that the same view field effect of opening all grating view fields is constructed, the basically uniform brightness of the whole coupling area is obtained, and the overall light effect utilization rate and the overall light brightness are improved.

The invention discloses a cable core wire multi-layer strip dragging machine, and belongs to the technical field of cable manufacturing equipment.The cable core wire multi-layer strip dragging machine comprises a bottom plate, a vertical plate, limiting guide wheels, a bottom shell, a pop-up assembly and a sliding plate, the vertical plate is fixedly connected to one side of one end of the upper surface of the bottom plate, and the three sets of limiting guide wheels are fixedly connected to one side of the surface of the vertical plate; a tension deviation rectifying guide wheel is movably connected to the middle of one side of the surface of the vertical plate, after a wrapping tape is used up, the pop-up assembly pops up a used wrapping tape object, the push-off assembly pops up the wrapping tape object synchronously, and finally the switching assembly automatically switches to the other set of wrapping tape object for use, so that the purposes of greatly improving the equipment operation efficiency, reducing the labor intensity, reducing the labor intensity and the like are achieved. And the operation efficiency is improved.

The invention relates to the technical field of air-sea cross-medium communication, discloses an air-sea cross-domain communication link channel optimization method, and aims at solving the problem that the air-sea communication resource use condition and the air-sea cross-domain communication stable state of an existing cross-domain communication gateway are poor. According to the method, by adding an overwater and underwater communication mode of the cross-domain communication gateway and establishing an airspace and sea area communication channel model and a link communication handshake query method, the problems of an existing cross-domain communication gateway in the aspects of the air-sea communication resource use condition and the air-sea cross-domain communication stable state are effectively improved. According to the air-sea cross-domain communication link channel optimization method provided by the invention, the efficient use of existing communication resources of a cross-domain communication gateway is improved, the stability of communication interaction is enhanced, and effective emergency processing can be carried out on communication abnormal conditions.

The invention provides a microscopic illumination system and method based on mask plate projection layer tangent imaging, and the system comprises a light source, a first lens, a field diaphragm, a second lens, an aperture diaphragm, a third lens, a mask plate switching device, an illumination cylinder lens and a microscopic objective lens which are sequentially arranged along an illumination light path. The field diaphragm is located on the rear focal plane of the first lens and the front focal plane of the second lens, the aperture diaphragm is located on the rear focal plane of the second lens and the front focal plane of the third lens, the mask plate switching device is located on the rear focal plane of the third lens and the front focal plane of the lighting tube lens, the mask plate switching device comprises a base and a rotating wheel, and the rotating wheel is erected on the base and can rotate. A plurality of mask plates with different shapes are embedded in the rotating wheel, the mask plates are distributed in a circumferential array, and the central point of any one mask plate is overlapped with the illumination light path in an initial state. The invention has the beneficial effects that structured light in multiple directions can be provided in the same focal plane, and the mask plates can be conveniently switched.

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.

The invention discloses stamping and punching equipment for workshop steel structure machining, and relates to the technical field of stamping and punching, the stamping and punching equipment comprises a base, a machining table is arranged in the middle of the upper end of the base, a rotating seat is arranged in the middle of the machining table, and a transmission box is arranged at the upper end of the base on the outer wall of the front side of the machining table; a gear ring is arranged at the position, in the machining table, of the outer wall of the lower end of the rotating seat, a transmission gear is arranged in the transmission box, the transmission gear is meshed with the gear ring, a first motor is arranged at the upper end of the transmission box, and the lower end of the first motor is connected with the middle of the transmission gear; a sliding rail and two sets of sliding strips are arranged at the upper end of the rotating base, and the two sets of sliding strips are located on the two sides of the sliding rail. According to the stamping and punching equipment for machining the workshop steel structure, when steel is punched, the steel can be rotated and turned over, and the punching process is more convenient, faster and more efficient.