696results about How to "Compact layout" patented technology

The invention discloses a pallet protection corner automatic putting machine. The pallet protection corner automatic putting machine comprises a top protection corner putting combination machine and aside face protection corner putting combination machine; the top protection corner putting combination machine comprises a bottom circulation base and a pair of top protection corner single machines,the side face protection corner putting combination machine comprises a bottom fixed base and four side face protection corner single machines, the top face protection corner single machines are provided with electrical control parts, top protection corner containing grooves, limiting mechanisms, and top protection corner mounting claws, the top protection corner mounting claws grab protection corners in the top protection corner containing grooves, and put the protection corners on four edges of the top of a packaging box, each side face protection corner single machine comprises a second electrical control part, a side protection corner containing groove, and a side protection corner mounting claw, and the side protection corner mounting claws grab the protection corners in the side protection corner mounting grooves and put the protection corners on the four sides of the side face of the packaging box. The pallet protection corner automatic putting machine is reasonable in layout,smooth in operation, high in adaptation, automatic in full process, free of artificial duty and capable of greatly improving protection corner putting and threading packaging capacity.

The utility model provides an electric connector with an integrated terminal, which comprises a rubber core main body, a rear cover plate and the integrated terminal, the rear side of the rubber core main body is provided with a first installation block protruding outwards, the first installation block is provided with a plurality of first jacks used for installing the integrated terminal, the rear cover plate and the first installation block are installed in a buckled mode, and the integrated terminal is installed on the rear cover plate. The rear cover plate is correspondingly provided with a second jack communicated with the first jack, the front side of the rubber core main body is provided with a first mounting cavity, the first jack is communicated with the first mounting cavity, a locking piece is buckled in the first mounting cavity and used for locking and limiting the integrated terminal, the locking piece is provided with a third jack communicated with the first jack, and the position of the third jack corresponds to that of the first jack. And a first waterproof gasket is arranged between the rear cover plate and the first mounting block. The electric connector with the integrated terminal has a certain waterproof function, the layout of all parts is compact, the assembly mode is simple and rapid, and the assembly efficiency of the electric connector is effectively improved.

The invention discloses an H-shaped steel automatic welding roller way conveying system. Comprising a lower wing plate feeding line, a web feeding line, an upper wing plate feeding line, a lower wing plate and web assembly line, a T-shaped steel assembly welding straightening blanking transition line, a T-shaped steel assembly welding straightening blanking line, a web lifting turnover line, a T-shaped steel upper wing plate assembly line, an H-shaped steel assembly welding straightening blanking transition line and an H-shaped steel assembly welding straightening blanking line which are arranged in parallel in the same direction. The lower wing plate feeding line, the lower wing plate web assembling line, the T-shaped steel assembling, welding and correcting discharging line, the web feeding line, the upper wing plate feeding line, the T-shaped steel upper wing plate assembling line and the H-shaped steel assembling, welding and correcting discharging line are each composed of a plurality of roller bed units. The web lifting turnover line is composed of a plurality of lifting roller bed units; and the T-shaped steel assembling, welding and straightening blanking transition line and the H-shaped steel assembling, welding and straightening blanking transition line are respectively composed of a plurality of transition roller bed units. The problems that an existing H-shaped steel welding production line is high in labor intensity and low in efficiency, and safety factors exist in a working site can be solved.

The present invention provides an endoscope head end and an endoscope, the endoscope head end having a first observation window and a second observation window provided adjacent to each other on the tip surface of the endoscope head end, and a nozzle provided on the perpendicular bisector of a connecting line connecting the center of the first observation window and the center of the second observation window, the first side wall and the second side wall of the nozzle are located on the two sides of the perpendicular bisector, the distance between the first side wall and the second side wall is gradually increased when the nozzle gets close to the connecting line, and the upper wall of the nozzle is provided with a protruding part protruding towards the direction of the connecting line relative to the first side wall and the second side wall. The protruding part is located in an area outside the visual field range of the endoscope between the first observation window and the second observation window, and the top end, with the shortest distance from the connecting line, of the protruding part is located on the perpendicular bisector. According to the present invention, when the observation windows of two optical systems are cleaned using one nozzle, the nozzle can efficiently clean the first observation window and the second observation window without appearing in the field of view of the optical systems.

The invention discloses a water-air cross-medium aircraft. The water-air cross-medium aircraft comprises a driving device; a plurality of rotors; the rotor wings comprise underwater propellers and aerial propellers; one end of the underwater paddle is connected with the driving device, and the other end is connected with the aerial paddle; the air propeller can rotate relative to the underwater propeller so as to be in an unfolded state coaxial with the underwater propeller when sailing in the air and in a folded state inclined relative to the underwater propeller when sailing underwater. The underwater propellers and the air propellers are integrated together to form the rotor wing, so that the overall layout of the rotor wing is more compact, shared driving can be achieved, the rotor wing serves the air propellers and the underwater propellers, power transmission is more direct and efficient, energy loss caused by an extra transmission device is reduced, and therefore the underwater and air high-speed cruise is achieved while the energy consumption is reduced. And the size, the weight and the control complexity of the propulsion system are reduced.

The utility model belongs to the field of parking space locks, and discloses a parking space lock which comprises a blocking piece, a locking piece and a locking piece. A driving unit; a transmission mechanism; a linear track; a substrate; when the driving unit drives the transmission part to move, the transmission part drives the moving part to slide along the linear rail and drives the connecting arm to slide along the linear rail and rotate relative to the moving part at the same time, so that the connecting arm drives the blocking part to turn over. When the blocking piece is subjected to external impact force in the open state, the blocking piece drives the connecting arm to move, the connecting arm drives the moving piece to slide relative to the linear rail, and the linear rail limits displacement of the moving piece in the direction perpendicular to the sliding direction of the moving piece. Power transmission is achieved through the transmission mechanism, the linear rail and the connecting arm are arranged independently, and the strength of the connecting arm and the transmission stability are guaranteed while the connecting arm moves; the linear track can assist the moving part in linear motion and can offset external impact force, so that the moving part is protected and prevented from being deformed and damaged; all the components can be integrated on the base plate, and therefore a user can conveniently install the parking space lock.

The invention discloses a micro-nano impact press-in testing device and method based on circulating refrigeration, and relates to the technical field of material performance testing, the micro-nano impact press-in testing device comprises a pressing rod and an objective table which are used for low-temperature micro-nano impact press-in testing, and a refrigeration device for refrigerating and cooling the pressing rod and the objective table, the refrigerating device refrigerates the pressing rod and the objective table in an embedded runner mode, a connected cold guide line and a refrigerating balancer making contact with the cold guide line are arranged between the pressing rod and the objective table, and the cold guide line and the refrigerating balancer jointly stabilize the temperature of the pressing rod and the temperature of the objective table at a common temperature point. When a low-temperature micro-nano impact press-in test is carried out, the temperature difference between the sample and the test head due to refrigeration degree difference can be quickly balanced, the influence of temperature drift on the test precision is eliminated, and the accuracy of a low-temperature micro-nano impact press-in test result is ensured.

The invention provides a vibration damping device of an auxiliary bridge parallel to a main bridge, which comprises a torsion type damping unit arranged between a main beam of the auxiliary bridge and a main beam of the main bridge adjacent to the auxiliary bridge, and the torsion type damping unit comprises a torsion type damper, a transmission assembly and a fixing assembly, the torsion type damper is installed on the side wall of the main beam of the main bridge through the fixing assembly, the transmission assembly comprises a dowel bar for transmitting vibration in the vertical bridge direction and the side bridge direction of the auxiliary bridge and a conversion swing rod for converting linear motion of the dowel bar into rotary motion, and the torsion type damper comprises a torsion shaft. The torsion type damper is connected with the side wall of the auxiliary bridge main beam through the torsion shaft, the conversion swing rod and the dowel bar which are hinged in sequence. The method has the advantages of improving the vibration reduction effect of the auxiliary bridge, reducing the using amount of the damper and the like.

The invention discloses an electric vehicle three-dimensional charging station which comprises a frame body, two lifting tables and a plurality of electric vehicle trays, a plurality of charging layers are vertically arranged on the frame body, and each charging layer comprises two charging positions which are bilaterally symmetrical; female charging connection assemblies are respectively arranged in two charging positions of each charging layer on the frame body, and each female charging connection assembly is externally connected with a charging pile; the two lifting tables are tightly attached to the left end and the right end of the frame body respectively, and each lifting table is connected with the frame body through a lifting mechanism and can move vertically. A tray transverse movement driving device is arranged on each lifting platform; each electric vehicle tray is located on the charging position or the lifting platform, and a sub-charging connection assembly is arranged on the side face, close to the center of the frame body, of each electric vehicle tray in the transverse direction. And the sub-charging connection assembly on each electric vehicle tray is connected with at least one charging gun arranged on the electric vehicle tray through a circuit. The three-dimensional charging station has the advantages of being high in integrity, compact in layout, high in space utilization rate, safe in charging and rapid in charging.

The invention discloses a modular multi-size cubesat attitude control integrated system suitable for batch production, and relates to the technical field of satellites. Comprising a structural unit, an attitude monitoring subsystem, an attitude control subsystem, a data processing subsystem, a data transmission communication subsystem and a power supply subsystem, and the five subsystems are installed on the structural unit. The structural unit is a hollow hexahedron composed of six mounting plates; the attitude monitoring subsystem is electrically connected with the power supply subsystem and is also connected with the data processing subsystem through a signal line; the attitude control subsystem is electrically connected with the power supply subsystem and is also connected with the data processing subsystem through a signal line; the data processing subsystem is electrically connected with the power supply subsystem and is also connected with the data transmission communication subsystem and the power supply subsystem through signal lines; the data transmission communication subsystem is electrically connected with the power supply subsystem. The system has the advantages of being short in development and final assembly period, light in structure, unified in interface, multiple in function, good in expandability, capable of being used in a multi-size compatible mode and suitable for batch production.

The utility model belongs to the technical field of hydrogen production through water electrolysis, and particularly relates to a gas-liquid separator suitable for hydrogen production through water electrolysis. According to the technical scheme, the gas-liquid separator suitable for water electrolysis hydrogen production comprises a barrel, an inlet pipe is arranged at one end of the barrel, the other end of the barrel is connected with a corrugated plate assembly, the other end of the corrugated plate assembly is connected with a mist catcher assembly, the other end of the mist catcher assembly is connected with an outlet pipe, a liquid outlet pipe is arranged below the barrel, and a liquid outlet pipe is arranged below the barrel. A baffle plate is arranged at the position, close to the inlet pipe, in the barrel, and a plurality of baffles are arranged in the barrel. The utility model provides the gas-liquid separator suitable for hydrogen production by electrolyzing water, which can improve the gas-liquid separation efficiency.

The invention provides a dynamic loading friction braking energy dissipation ship lock anti-collision device and method. The device comprises a lifting mechanism, a braking mechanism, an arresting mechanism and a steering mechanism. The lifting mechanism comprises a motor, a transmission mechanism, a winding drum and a steel wire rope wound on the winding drum, and the blocking mechanism is moved to a preset height through the steel wire rope for blocking; the blocking mechanism comprises a lower end steel wire rope and an upper end steel wire rope which are arranged on the steering mechanism in parallel in the vertical direction. The steering mechanism is used for guiding the steel wire rope of the lifting mechanism in the vertical direction into the lower end steel wire rope and the upper end steel wire rope of the parallel blocking mechanism; the brake mechanism comprises a brake disc arranged on the winding drum and brake disc brakes installed on the two sides of the brake disc. The technical problems that in the prior art, an anti-collision device is complex in structure, redundant in arrangement, insufficient in blocking performance and the like can be solved.

The present invention provides a vibration suppression system for a photovoltaic bracket and a single-axis photovoltaic bracket. The vibration suppression system includes a constraint protection unit, and the constraint protection unit includes a force transmission component, a vibration displacement amplification component, an eddy current energy dissipation component, and a high wind protection component. The input end of the force transmission component is connected to the two ends of the photovoltaic bracket in the rotation direction; the high wind protection component includes a magnetic conductor arranged on the outside of the transmission shaft, and the magnetic conductor has a magnetic attraction with the transmission shaft when the wind speed reaches the critical wind speed of static wind instability of the bracket. The single-axis photovoltaic bracket includes a photovoltaic panel, a photovoltaic panel rotating beam, and a vibration suppression system. The constraint protection unit of the vibration suppression system is divided into two groups, and the two groups of constraint protection units are respectively arranged at the two ends of the photovoltaic panel along the length direction; the force transmission component of the constraint protection unit is arranged parallel to the torsion surface of the photovoltaic panel, and the transmission shaft is arranged horizontally. The present invention has the advantages of avoiding damage to the bracket during wind vibration and improving the safety and reliability of the bracket.

The invention provides a terahertz vortex radiation generation device based on transverse phase shaping. The terahertz vortex radiation generation device comprises an injector, a laser electron beam modulation system and a terahertz radiation section which are arranged in sequence, the femtosecond laser system comprises a femtosecond laser device, a first beam splitting piece and a first reflecting mirror which are arranged in sequence and are parallel to the electron beam transmission axis, and the first beam splitting piece divides femtosecond Gaussian laser pulses from the femtosecond laser device into a first path of femtosecond Gaussian laser and a second path of femtosecond Gaussian laser; the first path of femtosecond Gaussian laser and the injector are sequentially arranged along the light path of the first path of femtosecond Gaussian laser, and the first reflector, the pulse broadening and beam splitting system and the laser electron beam modulation system are sequentially arranged along the light path of the second path of femtosecond Gaussian laser. According to the terahertz vortex radiation generating device, the longitudinal frequency of terahertz vortex beat frequency laser can be adjusted through the spiral phase plate, the transverse orbital angular momentum of terahertz vortex beat frequency laser can be changed through the adjustable delayer, the layout is simple, the tunability is high, and the terahertz vortex radiation generating device is flexible.

The invention discloses an automatic assembly process of a cathode battery cover plate. The automatic assembly process comprises the steps of code printing and screening of a cathode collector plate, assembly and welding, helium detection, film pasting of an anti-explosion valve, and plate loading and stacking. The automatic assembling equipment comprises a negative electrode bus disc code printing and screening device, an assembling and welding device, a helium detection device, an anti-explosion valve film pasting device, a disc loading and stacking device and an identification code identification association host. And the identification code identification association host is in communication connection with the negative electrode collector plate coding and screening device, the assembling and welding device, the helium detection device and the anti-explosion valve film pasting device. According to the invention, the whole assembly process requirement of the negative electrode battery cover plate is met, the code consistent monitoring and recording production is realized, and the NG tracking is more efficient and reasonable. An equipment production line is skillfully constructed, and automatic assembly production operation is efficient and smooth. Full-process automatic operation of equipment is achieved according to the process, working procedure matching is stable and smooth, and layout is compact.

The invention provides a tower wind load model test device and test method, the device comprises a tower simulation piece and a damping adjustment unit, the damping adjustment unit comprises an eddy current conductor assembly and an electromagnetic assembly, the eddy current conductor assembly comprises an eddy current conductor and a magnetic back plate, and an air gap is reserved between the electromagnetic assembly and the eddy current conductor. The method comprises the following steps: constructing a tower simulation piece according to a scale ratio, and determining the thickness of a longitudinal main tower rod of the tower simulation piece according to the thickness and the elastic modulus of the longitudinal main tower rod of the tower and the elastic modulus of the tower simulation piece; the critical vortex vibration initial wind speed, smaller than the preset safe wind speed, of the tower is screened out from the vortex vibration initial wind speeds of the tower during vibration of all orders; determining the optimal test simulation wind speed of the tower simulation part according to the critical vortex vibration initial wind speed and the wind speed ratio; and the electromagnetic assembly adjusts the initial damping force of the damping adjusting unit to the target damping force. The method has the advantages of improving accuracy and reliability of test results, reducing potential safety hazards of the tower and the like.

The utility model relates to an electromagnetic water tunnel device, which belongs to the field of hydrodynamic experiments and comprises a base, two electrode plates, a magnetic part and an ion supplement device. Wherein a water channel is formed in the base, and water flows in the water channel; one section of the water channel is a power section; the two electrode plates are respectively positioned on two side walls of the power section; an electric field is formed between the two motor plates; the magnetic part is arranged above the power section; the magnetic field of the magnetic part is perpendicular to a connecting line between the two electrode plates; the ion supplementing device is used for supplementing ions to water in the water channel; water in the power section is electrified through the electrode plate, and Lorentz force is formed through interaction of the magnetic field of the magnetic part and the electrified water flow so as to achieve movement of the water flow.

The utility model discloses a flue gas purification device and relates to the technical field of flue gas pollutant treatment. The device comprises a tank body; the smoke inlet pipe is connected to the side wall of the lower part of the tank body and is communicated with the inner cavity of the tank body; the output end of the reducing agent supply assembly communicates with an inner cavity of the smoke inlet pipe; the plate surface of the sealing partition plate is horizontally mounted on the inner wall of the tank body above the corresponding smoke inlet pipe, and a plurality of smoke outlet holes are formed in the sealing partition plate at intervals; the smoke exhaust pipe is connected to the side wall of the tank body above the corresponding sealing partition plate and is communicated with the inner cavity of the tank body; the bottom ends of the catalytic filter cartridges are closed, the catalytic filter cartridges are fixed on the lower plate surface of the sealing partition plate, and the top opening ends of the catalytic filter cartridges are correspondingly communicated with the smoke outlet holes; according to the device, harmful compounds in flue gas can be oxidized and reduced, meanwhile, particulate matter in the flue gas can be filtered, and the device has the advantages of being clean, efficient, simple in structure, compact in layout and easy to control reaction.

The invention discloses an environmental radon concentration detector based on a scintillator chamber, and the detector comprises a scintillation chamber in which a sampled radon-containing gas enters the scintillation chamber through a gas inlet, and an alpha ray generated by radon decay reacts with ZnS (Ag) to generate an optical signal; the photomultiplier is used for converting an optical signal into an electric signal; the pre-amplifier is used for amplifying and shaping the electric signal to obtain an amplified electric signal; the signal acquisition module is used for acquiring the amplified electric signal; and the concentration calculation module is used for calculating the radon concentration in the environment according to the amplified electric signal in combination with the decay law of the radon and the daughters thereof and the measurement time set by the user. According to the invention, radon and daughter decayed alpha rays in sampling gas react with the coating of the scintillation chamber to serve as the basis of radon concentration calculation, and the environmental radon concentration detection accuracy is improved from the internal structure design of the chamber.

The invention belongs to the technical field of transformer production, and particularly relates to a planar transformer production test line which comprises an assembly jig, a front-section assembly line, a middle-section assembly line, a tail-section test line and a width-adjustable conveying device. The front-section assembly line comprises a magnetic core assembly device, a PCB (Printed Circuit Board) mounting device, a dispensing device and a magnetic core frictioning assembly device; the middle section assembly line comprises an automatic sheath assembly work station, a body assembly work station and an upper cover assembly work station; the tail section test line comprises a test fixture, a horizontal backflow conveying device, a laser code printing and scanning device, a detection work station and a blanking device; the front section assembly line and the middle section assembly line are each provided with a width-adjustable conveying device. The width-adjustable conveying device is used for conveying the assembly jig. According to the method, the sequence of each process can be increased, deleted or adjusted according to actual requirements, so that the production process is optimized, and the production efficiency is improved. And the production line layout is compact, the production space is saved, and the production cost is reduced.

The invention discloses a water chilling unit, and relates to the technical field of refrigeration equipment, the water chilling unit comprises a mounting rack, and the mounting rack comprises an upper accommodating cavity and a lower accommodating cavity which are distributed up and down along a first direction; the condensing fan, the dry cooler and the condenser are sequentially arranged in the upper containing cavity in a stacked mode in the second direction, and the plate heat exchanger, the expansion tank, the circulating pump and the compressor are sequentially arranged in the lower containing cavity side by side in the third direction. The first direction, the second direction and the third direction are perpendicular to each other. Each part of the water chilling unit is divided into two parts, the two parts are arranged in the mounting frame in an up-down distribution mode, and each part is arranged in a stacked or side-by-side mode according to the appearance, so that each part of the water chilling unit can be compactly arranged in the mounting frame, the arrangement is more reasonable, the size of the water chilling unit can be reduced to a certain extent, and the occupied space is smaller.

The invention provides an automatic strip and profile cutting production line and a production method.The automatic strip and profile cutting production line comprises a strip discharging area, a chamfering buffer area, a slag removing and chamfering area, a cutting buffer area, a cutting feeding area, a cutting area, a short material discharging area, a long material grinding area and a long material discharging area, and the strip discharging area is provided with a multi-head cutting machine and a rolling workbench; the rolling workbench conveys strips to the chamfering buffer area, the chamfering buffer area is provided with a conveying roller way, the slag removal chamfering area is provided with a feeding roller way, a grinding slag removal machine, a chamfering machine and a discharging roller way, the length detection mechanism divides the strips or profiles cut in the cutting area into long materials and short materials according to the set length, the long materials are conveyed to the long material grinding area through a conveying device, and the short materials are conveyed to the long material grinding area through a conveying device. The short material is pushed into the material frame through the material pushing rod; an automatic cutting production line is arranged, after being fed, raw materials are sequentially subjected to the procedures of strip cutting and pulling, strip transferring, automatic chamfering, code spraying and lineation and cutting, discharging and sorting, operation is easy, and the automation degree is high.

The utility model provides a storage box bottom structure with a servo bracket, which comprises a box bottom, a servo bracket, a servo bracket and a servo bracket, the rack force transmission plates are uniformly arranged at the circumferential position of the box bottom and extend to the scalloped segments from the top cover; the servo support is arranged on the upper end face of the machine frame force transmission plate and used for being connected with a servo actuator. The box bottom is simple and compact in structure, and the weight of the whole space carrier can be reduced.

The utility model belongs to the technical field of power batteries, and particularly relates to a battery pack. Comprising a plurality of battery cell groups, a first liquid cooling plate and a second liquid cooling plate, and the plurality of battery cell groups are arranged side by side; the first liquid cooling plate is clamped between two adjacent battery cell groups; the second liquid cooling plate is located on the bottom side of the battery cell group, and the second liquid cooling plate and the first liquid cooling plate form an integrated extrusion molding structural part. The battery pack disclosed by the utility model at least has the following beneficial effects that the first liquid cooling plate and the second liquid cooling plate are matched to cool the battery cell group, and the battery cell group is cooled on at least three surfaces, so that the cooling effect is good; on the basis, the first liquid cooling plate and the second liquid cooling plate are integrally extruded and molded, the structure is simple, the layout is compact, the space utilization rate is favorably improved, and the energy density and the heat dissipation performance of the battery pack are favorably improved.

The invention discloses an automatic assembling and welding production line for a negative electrode confluence disc. The automatic assembling and welding production line comprises a station rotating disc provided with a plurality of sets of carriers, a cover plate body feeding station, a confluence disc feeding station, an assembling and detecting station, a welding station, a post-welding detecting station, an internal resistance detecting station and an unloading station. The cover plate body feeding station comprises a cover plate circulating conveying rail and a cover plate carrying mechanism. The confluence disc feeding station comprises a confluence disc circulating conveying rail and a confluence disc carrying mechanism. The assembly detection station comprises an image detection mechanism; the welding station comprises a laser welding mechanism; the post-welding detection station comprises a post-welding detection mechanism; the internal resistance detection station comprises an internal resistance detection mechanism; the unloading station comprises a good product conveying belt, an NG unloading belt and an unloading carrying mechanism. The efficient and automatic welding operation of the negative collector plate and the battery cover plate can be achieved, and operation is smooth and efficient. And various carrying positioning and transfer positioning are achieved, the pre-assembly precision of the negative electrode convergence disc and the cover plate body is guaranteed, and the welding quality is reliable and stable.

The invention discloses a portable scientific research animal air transportation life support and biomedical culture experiment device which comprises a suitcase body, the interior of the suitcase body is divided into three cavities, and an oxygen replacement and ammonia gas treatment module, a rechargeable battery pack module and an animal culture module are correspondingly and fixedly arranged in the three cavities respectively. The animal culture module is correspondingly provided with a camera monitoring and visual information processing module and a lighting assembly. The experimental device for transporting life support and biomedical culture, provided by the invention, is designed into a portable suitcase structure, so that the experimental device is convenient to transport and carry and can be carried by an operator. A visual information management system of an operation panel and a display screen can carry out real-time monitoring and information feedback on the internal condition of the animal culture module, and life safety in the scientific research animal transfer and culture experiment process is effectively ensured.

The utility model relates to the technical field of man-machine interaction of electronic equipment, and particularly discloses a backlight touch key. The backlight touch key comprises a shell and a plurality of key assemblies, each key assembly comprises a key unit and a touch conduction unit, and each key unit is provided with a first end and a second end which are opposite to each other; the first end is embedded in the shell, the key unit penetrates through the touch conduction unit, the outer surface of the touch conduction unit is provided with a capacitive sensing surface, the capacitive sensing surface is attached to the shell, and the relative position of the shell and the touch conduction unit is fixed. According to the backlight touch key, the specific structure is improved, so that high integration of the structure and simplification of the manufacturing process are realized while the backlight uniformity and the induction sensitivity are ensured.

A compact alternative low-voltage switchgear includes a front enclosure and a rear enclosure connected to the rear of the front enclosure. The front enclosure contains an incoming line compartment, a metering compartment, a secondary wiring compartment, and a circuit breaker mounting compartment. The incoming line compartment and the metering compartment are vertically aligned and interconnected. The secondary wiring compartment is located beside the incoming line compartment and the metering compartment, and a first partition is provided between the secondary wiring compartment and the incoming line compartment and the metering compartment. The circuit breaker mounting compartment is located below the metering compartment and the secondary wiring compartment, and a second partition is provided between the circuit breaker mounting compartment and the metering compartment and the secondary wiring compartment. Ventilation holes are provided on both the second partition and the first partition. The rear enclosure contains a capacitor bank switch compartment and a capacitor mounting compartment, located vertically and vertically respectively. This invention provides a compact alternative low-voltage switchgear with high space utilization, a reasonable layout, and good heat dissipation and maintenance convenience.

The utility model is suitable for the field of street lamp equipment, and discloses a waterproof control box with an upper cover and a lower cover and a street lamp with the control box, the waterproof control box comprises a box body, a control wiring assembly is arranged in the box body, and the control wiring assembly is used for being connected with a cable; a connecting plate is arranged on one side of the cover body, and the connecting plate is rotationally connected with the inner wall of the box body up and down; the water guide groove is formed in the inner side of the top of the box body and located below the connecting plate, when the cover body covers the box body, the connecting plate is located in the water guide groove, and the water guide groove extends to the position of the front portion of the box body from the interior of the box body. Compared with a traditional left-right cover turning mode, the cover body is turned up and down, so that the internal space of the lamp pole is saved, and the wiring efficiency of a cable and a control wiring assembly is improved; when the cover body is closed, the connecting plate is located in the water guide groove to guide rainwater or other liquid into the water guide groove, water is effectively prevented from permeating into the control box, the water is rapidly discharged, and dryness in the control box and safety of electrical elements are kept.

The invention provides a steaming oven and a flip-down door hinge structure thereof.The flip-down door hinge structure comprises a connecting piece and a shell, the shell is provided with a first rotating shaft and a second rotating shaft which are rotationally connected with the shell, the first rotating shaft is sleeved with a first gear, the second rotating shaft is sleeved with a second gear, and the first gear is meshed with the second gear; the first gear is in meshed connection with the second gear; the first end of the connecting piece is hinged to the first end of the shell, the first end of the connecting piece is provided with teeth extending along an arc, the teeth are connected with the second gear in a meshed mode, and the second end of the connecting piece is used for being connected with a door body of the steaming oven. According to the hinge structure, gear transmission is adopted in the opening and closing process of the door body of the steaming and baking oven, the transmission stability and reliability can be guaranteed, noise can be reduced, and even-speed opening or closing of the door body can be achieved under the condition that external force borne by the door body when the door body is opened and closed is certain; the structure is simple, installation is easy, and arrangement is compact.