32results about How to "With fool proof function" patented technology

The invention provides a standard POE and mandatory non-standard POE integrated powered power supply circuit, which is arranged between a POE network socket and a powered device. The standard POE and mandatory non-standard POE integrated powered power supply circuit comprises a standard power supply module which has a line impedance that conforms to a standard protocol, and when an input voltage is greater than a set value, the standard power supply module is conducted and a voltage inputted by the POE network socket is sent to a DC-DC step-down and voltage stabilization module; non-standard jumper modules, which can perform switching of a non-standard power supply circuit, and without detection, power directly reaches the network socket through a network cable, and then the power is directly sent to the DC-DC step-down and voltage stabilization module; the DC-DC step-down and voltage stabilization module performs voltage reduction and voltage stabilization on an inputted direct current voltage and supplies power to the powered device; an input end of the standard power supply module is connected with the POE network socket, and an output end of the standard power supply module is connected with an input end of the DC-DC step-down and voltage stabilization module; an output end of the DC-DC step-down and voltage stabilization module is connected with the powered device; and the non-standard jumper modules are connected in parallel at the two ends of the standard power supply module. The standard POE and mandatory non-standard POE integrated powered power supply circuit provided by the invention integrates the standard POE and non-standard POE power supply modes as a whole, which can avoid generating different types of equipment repeatedly, and make a power utilization environment of a user to be compatible to the maximum extent.

The invention discloses a method for automatically and rapidly obtaining and calibrating configuration information of a cloud computing device. The method includes the steps of installing and running an operating system through a cloud computing device server, and automatically obtaining and calibrating the configuration information of the cloud computing device by running a program. The problems of a traditional method for obtaining configuration information through multiple pieces of software and then manually calibrating the configuration information through operators are solved, the requirements of cloud computing device manufacturers for multi-batch, small-amount and multi-configuration customized production are met, the program automatically reads hardware configuration of the cloud computing device to be inspected and customized information of the cloud computing device to be inspected through modularized and programmed design, then, the hardware configuration and the customized information are compared with a configured sample so that whether the configuration information is correct or not can be automatically judged, operation can be easily and rapidly conducted in the inspection process, inspection items are automatically completed, omitted inspection items and human-caused judgment errors are avoided.

The invention discloses a lamp focal length adjusting mechanism. A lamp light source is connected with a lamp radiator housing; an adjusting assembly is connected with the lamp radiator housing; the lamp light source is fixedly mounted on the lamp radiator housing through a light source bracket and fixing screws; the adjusting assembly comprises a rotating ring, a focusing lens, a lens fixing ringand a silica gel adjusting ring, wherein the focusing lens is mounted in the lens fixing ring in a snap joint manner; a protruding strip on each of two sides of the lens fixing ring corresponds to agroove in the corresponding side of the lamp radiator housing, and is mounted in the lamp radiator housing; the rotating ring is clamped on the lamp radiator housing, and positioning protruding pointsin the rotating ring correspond to oblique grooves of the lens fixing ring; and the smooth surface of the silica gel adjusting ring is connected to a groove in the outer wall of the rotating ring ina sleeving manner. Through the adoption of the lamp focal length adjusting mechanism disclosed by the invention, the problems that in the prior art, in the process of lamp focal length adjustment, themachining accuracy requirement is high, the processing cost is high, the adjusting process is not smooth and the mechanism is unstable after being used for a long term, are solved; and the lamp focallength adjusting mechanism is simple and compact in structural dimension, low in cost, and stable in effect.

The invention discloses a cover plate pressure-maintaining device, which comprises a bottom plate, a cover plate, a clamping device, a pressing device, a compressing device and a fool-proof device, wherein the cover plate is movably arranged on the surface of the bottom plate and is hinged to the bottom plate, the clamping device is fixed on the surface of the bottom plate, the pressing device is arranged in a coverage area of the cover plate, the compressing device is fixed on the lower surface of the cover plate and is arranged corresponding to the position of the pressing device, the fool-proof device is arranged beside the clamping device, the fool-proof device comprises a sleeve, a first fool-proof connecting block, a first elastic piece and a sensor, the sleeve is fixed on the bottom plate, the first fool-proof connecting block is accommodated in the sleeve, the first elastic piece supports the first fool-proof connecting block, and the sensor supports the first elastic piece. The cover plate pressure-maintaining device can achieve the compressing and pressure-maintaining actions of a flexible product in a local small space, has a fool-proof function, and can automatically judge whether the press-fit of the cover plate is in place correctly.

The invention provides a video signal testing device. The video signal testing device comprises a signal capturing module for sampling an analog / digital signal transmitted through a video interface after parameter matching of the signal, an operational amplifier circuit module for amplifying the sampled analog / digital signal, an analog-to-digital conversion circuit module for converting an amplified analog signal into a digital signal, a trigger module for transmitting the sampled digital signal to a signal processing module through the analog-to-digital conversion circuit module after the sampled digital signal is amplified by the operational amplifier circuit module, the signal processing module which is electrically connected with the trigger module and the analog-to-digital conversion circuit module to process and analyze the digital signal transmitted by the trigger module and the analog-to-digital conversion circuit module, and a central controller of which one end is connected with the signal processing module and the other end is connected with a display module to drive the display module to display the analysis result of the signal processing module. By adopting the video signal testing device, accurate measurement of a plurality of high-frequency video output signals is realized, and the production efficiency is increased.

The invention provides a waterproof connector with a protective cover. The waterproof connector comprises a connecting pipe, a locking seat and an inserting pipe which are sequentially formed, a tightening groove is concavely formed in the locking seat towards the direction of the inserting pipe, and an evading groove is concavely formed in the outer surface of the inserting pipe. The protective cover is a connecting belt connected with a gasket and a cover body, and the gasket sleeves the inserting pipe and is arranged at the tightening groove, so that the torsion generated during assembly and locking does not cause the distortion of the gasket, and further the waterproof function of the gasket is not lost. The connecting belt is contained in the evading groove, is hidden and does not affect the external penetrating of the inserting pipe, so that the assembly interference is avoided. The cover body clamps and fixes the inserting pipe from outside to inside through an outer ring part and an inner ring part, and therefore a dustproof function is achieved.

The invention discloses a filter which comprises a filter body embedded in a wall, the filter body comprises an air inlet box section, a first-stage filter box section, an aerosol injection section, a second-stage filter box section and an air outlet box section which are sequentially connected from bottom to top, and the aerosol injection section is provided with a first aerosol dust generating pipe used for injecting aerosol particles; the air outlet box section is provided with an air outlet, and a sealing valve plate device is installed on the air outlet and used for sealing or opening the air outlet; a filter element module, a pressing mechanism for pressing the filter element module and a point-by-point scanning leak detection mechanism positioned at the downstream of the filter element module are mounted in each of the first-stage filter box section and the second-stage filter box section; and the point-by-point scanning leak detection mechanism is used for performing point-by-point scanning detection on aerosol particles injected into the upstream of the respective filter element module. The filter has the advantages of multiple functions, high safety level, double filtering effect and reliable air tightness.

The invention relates to the technical field of display, and provides a circuit board structure and a display device with the circuit board structure, the circuit board structure comprises a circuit hard board and a flexible circuit board, the circuit hard board comprises a first golden finger group and a plurality of first magnetic structures; the flexible circuit board comprises a second golden finger group and a plurality of second magnetic structures, when the circuit hard board is bound with the flexible circuit board, the first golden finger group and the second golden finger group are aligned, the plurality of first magnetic structures and the plurality of second magnetic structures are aligned one by one, and the first magnetic structures and the second magnetic structures are matched, so that rapid initial alignment can be achieved; the fool-proof function is achieved, binding direction errors are avoided; meanwhile, the situation that a circuit hard board warps in the binding process can be improved, and binding deviation is prevented.

The invention relates to the technical field of assembling devices of monitoring lenses, in particular to a suction pen having the fool-proof function. The suction pen having the fool-proof function comprises a suction pen body. The suction pen body is provided with a vacuum pipe connector and a suction end used for sucking a lens. The suction pen body is further provided with an air channel. Theair channel penetrates through the suction pen body and enables the vacuum pipe connector to communicate with the suction end. The suction end comprises a suction face used for being attached to the lens. The suction face is adapted to the arc face structure of one curved face on the lens and provided with a groove structure. The groove structure is arranged to communicate with the air channel orthe external atmosphere according to the type of the lens and the arc face structure of the suction face, so that the suction pen can only suck the lens from one curve face. The suction pen having thefool-proof function has the advantages of being simple in structure, convenient to use and capable of effectively preventing that the lens is assembled reversely.

The invention relates to an error-assembling-proofing structure for a die. The error-assembling-proofing structure comprises a fixed die base, a movable die base and a movable die core. The movable die core is assembled in the movable die base, and a leftward insert hole and a rightward insert hole penetrating the movable die core and the movable die base are formed in the two sides of the movabledie core. The bottom end of the leftward insert hole is provided with a leftward fool-proof positioning structure in an extending manner, and the bottom end of the rightward insert hole is provided with a rightward fool-proof positioning structure in an extending manner. The radial extending size of the leftward fool-proof positioning structure and the radial extending size of the rightward fool-proof positioning structure are different. The axial extending size of the leftward fool-proof positioning structure and the axial extending size of the rightward fool-proof positioning structure aredifferent. The fixed die base is arranged on the movable die base. Due to the error-assembling-proofing design, rotation of related inserts and ejector pins of slant product dies and curved-surface product dies can be achieved; assembling dislocation of two or more inserts, insert pins, ejector pins, sliding blocks and pitched roofs which are similar in shape and size on a die is achieved; and thefool-proof function is achieved, and the phenomenon that defective products are manufactured due to die errors in the injection molding process is avoided.

The invention discloses a cover plate pressure-maintaining device, which comprises a bottom plate, a cover plate, a clamping device, a pressing device, a compressing device and a fool-proof device, wherein the cover plate is movably arranged on the surface of the bottom plate and is hinged to the bottom plate, the clamping device is fixed on the surface of the bottom plate, the pressing device is arranged in a coverage area of the cover plate, the compressing device is fixed on the lower surface of the cover plate and is arranged corresponding to the position of the pressing device, the fool-proof device is arranged beside the clamping device, the fool-proof device comprises a sleeve, a first fool-proof connecting block, a first elastic piece and a sensor, the sleeve is fixed on the bottom plate, the first fool-proof connecting block is accommodated in the sleeve, the first elastic piece supports the first fool-proof connecting block, and the sensor supports the first elastic piece. The cover plate pressure-maintaining device can achieve the compressing and pressure-maintaining actions of a flexible product in a local small space, has a fool-proof function, and can automatically judge whether the press-fit of the cover plate is in place correctly.

The invention provides liquid crystal display panel grade sorting and weighing equipment and a package sorting system thereof. The liquid crystal display panel grade sorting and weighing equipment comprises a main bracket, a plurality of sorting boxes, an indication device, a scanning device and a control unit, wherein the sorting boxes are uniformly arranged on the main bracket; the indication device corresponds to the sorting boxes and is fixed on the main bracket; the control unit is connected with the indication device and the scanning device respectively; the scanning device is used for scanning serial numbers on liquid crystal display panels to be sorted and sending the serial number information to the control unit; and the control unit is used for controlling the indication device to send indication signals so as to place the liquid crystal display panels to be sorted into corresponding sorting boxes. The liquid crystal display panel grade sorting and weighing equipment is simple in structure, has a fool-proof function and is relatively low in construction cost to reduce the production cost.

The invention relates to an anti-dripping protection device for a mixer, which includes an L-shaped turret, a turret support, a linear guide rail, a push ring, a slider, a slider mounting seat and a driving device. The L-shaped turret is composed of a L The shape plate is composed of a push plate connected to the top of the L-shaped plate. The angle α between the push plate and the longitudinal plate of the L-shaped plate is 100-160 degrees. The L-shaped turret is installed on the turret support through the pin shaft I. The slider is set on the linear guide rail and connected with the slider mounting seat, the push ring is installed on the slider mounting seat through the rotating shaft, and the driving device is connected with the slider mounting seat. When it is in a relaxed state, the push ring is tightened to L-shaped rotation The push plate of frame, when locking state, promotes the L-shaped plate of ring tight L-shaped turret. The invention adopts the form of automatic driving of the driving device to protect the drop of the mixing barrel caused by the leakage of the oil cylinder, ensure the normal operation of the equipment, and increase the convenience of operation and the reliability of the equipment.

The fool-proof pipeline connector comprises a front shell and a rear shell, the front shell and the rear shell are connected together through a buckle structure, a plurality of independent pipelines are arranged in the front shell and the rear shell, and a plurality of pipe openings used for being communicated with external pipelines are formed in the outer end of the front shell and the outer end of the rear shell. And each pipe orifice corresponds to and is communicated with an independent pipeline. The multi-pipeline connector is convenient and rapid in pipeline connection, simple and reliable in structure, easy to form, capable of achieving multi-pipeline connection, capable of achieving a fool-proof function, capable of avoiding clinical pipeline connection errors, easy and convenient to connect and operate, not prone to loosening after connection, capable of avoiding connector separation caused by accidental pulling, free of external leakage risks and high in reliability.

The embodiment of the invention discloses a high-definition multimedia interface testing system and method. The high-definition multimedia interface testing system comprises a testing machine, a transmission interface, a high-definition multimedia interface signal conversion device and a computer; the transmission interface is connected with the testing machine so as to transmit an electrical signal; the high-definition multimedia interface signal conversion device is connected with the transmission interface so as to receive the electrical signal and convert the electrical signal into a digital signal; and the computer is connected with the high-definition multimedia interface signal conversion device so as to execute a testing program, wherein the testing program is used for judging whether the digital signal is matched with a pre-set signal value or not, and obtaining a testing result according to a judgement result. Thereby, the technical scheme in the embodiment of the invention has a fool-proof function; furthermore, a precise and effective testing result can be obtained; and simultaneously, the testing cost can be greatly reduced.

The invention provides an auxiliary fixing tool, an air outlet device and an air conditioner, and relates to the technical field of air conditioners. The auxiliary fixing tool comprises a first fixingpiece and a second fixing piece, wherein the first fixing piece is slidably connected with the second fixing piece; the first fixing piece is provided with a bayonet; the shape of the bayonet is matched with that of a D-shaped motor shaft; the second fixing piece is provided with a hook; the hook is in clamped connection with a notch of a cross-flow fan; and the second fixing piece can slide relative to the first fixing piece when the bayonet is in clamped connection with the D-shaped motor shaft, so that the hook is in clamped connection with the notch. Compared with the prior art, the auxiliary fixing tool has the advantages that owing to the first fixing piece provided with the bayonet and the second fixing piece provided with the hook, the first fixing piece and the second fixing piece act simultaneously, the D-shaped motor shaft and the cross-flow fan can be fixed relatively, screwing-in of screws is facilitated, and the auxiliary fixing tool has functions of fool proofing and mistake proofing, and is practical and effective.

The novel three-way valve switching structure comprises a shell assembly, a water passing assembly and a switching assembly, the water passing assembly and the switching assembly are arranged in the shell assembly, and the switching assembly is movably arranged on the water passing assembly to switch different water passing openings in the water passing assembly; the water passing assembly is provided with at least two water passing openings, the switching assembly is provided with a sliding plate capable of moving on the water passing openings and a rolling shaft connected with the sliding plate, the rolling shaft drives the sliding plate to linearly move on the surfaces of the water passing openings so as to switch among the water passing openings, and the linear transmission structure has the characteristics that the switching force value is small, and the switching force value is small. The structure is compact, the waterway is smooth, the production is stable, and the service life is long.

A standard POE and mandatory non-standard POE integrated powered power supply circuit is set between the POE network socket and the powered equipment, including: the standard power supply module has a line impedance that conforms to the standard protocol, and conducts when the input voltage is greater than the set value. Through, the voltage input by the POE network socket is sent to the DC-DC step-down regulator module; the non-standard jumper module can switch the non-standard power supply line, the power supply is not tested, directly reaches the network socket through the network cable, and then directly sends it to the network socket. DC-DC step-down voltage regulator module; the DC-DC step-down voltage regulator module steps down and stabilizes the input DC voltage, and supplies power to the powered equipment; the input end of the standard power supply module is connected to the POE network socket, and the output end is connected to the DC The input terminal of the ‑DC step-down regulator module, the output terminal of the DC‑DC step-down regulator module is connected to the powered equipment, and the non-standard jumper module is connected in parallel to both ends of the standard power supply module. The invention integrates standard POE and non-standard POE power supply modes into one, avoids repeated production of different power supply types of equipment, and is compatible with the user's power-taking environment to the greatest extent.

The invention provides a filter device easy to disassemble and assemble of a water inlet valve. The filter device comprises a valve body and a water stop assembly, wherein the upper portion of the valve body is provided with an insertion port corresponding to a water inlet passage; the filter device further comprises a filter assembly stretching into the water inlet passage through the insertion port and a lifting part in circumferential limited cooperation with the filter assembly, wherein the lifting part is in telescopic axial limited cooperation with the filter assembly, and when the lifting part moves to be in circumferential limited cooperation with the valve body, the lifting part limits the filter assembly in a limited position in the axial direction of the valve body; when the lifting part moves to be in circumferential avoidance cooperation with the valve body, the lifting part is in axial limited cooperation with the filter assembly, and the lifting part can drive the filterassembly to rotate to the position in axial avoidance cooperation with the valve body. The filter assembly can be directly disassembled and assembled from the insertion port, is convenient to clean and replace, is convenient to disassemble and assemble, saves labor, has a foolproof function, and does not loose easily.

The invention relates to a side-inserting double-layer SIM (subscriber identity module) card socket which comprises a base, a shell, an intermediate interlayer, a first terminal and a second terminal. The shell is arranged above the base and the intermediate interlayer, the shell covers the base and the intermediate interlayer, the first terminal is embedded on the upper surface of the intermediate interlayer, eight contacts of the first terminal protrude out of the upper surface of the intermediate interlayer, the second terminal is embedded on the lower surface of the intermediate interlayer, six contacts of the second terminal protrude out of the lower surface of the intermediate interlayer, and a card exit is arranged on the shell and the intermediate interlayer. The side-inserting double-layer SIM card socket has the advantages that by the way of SIM side inserting, different requirements of customers can be met by the aid of eight contacts on the upper layer and six contacts on the lower layer, and heads of the contacts of the terminals are spherical so as to prevent scratching SIM cards. The side-inserting double-layer SIM card socket is thin and light and widely applicable to various ultrathin cellphones, and is 2.5mm in thickness.

The invention discloses a safety protection device of a high-speed mixer. The high-speed mixer is provided with a cover, an uncovering cylinder for opening the cover, an air source matched with the uncovering cylinder and a power motor for providing power, wherein the uncovering cylinder is connected with an electromagnetic valve; and the safety protection device comprises a gas path lock mechanism, a breaker lock mechanism and an eccentric key, wherein the uncovering cylinder and the electromagnetic valve are connected with the gas path lock mechanism; the breaker lock mechanism is connected to the power motor in series; and the eccentric key is alternatively matched and connected with the gas path lock mechanism and the breaker lock mechanism. The safety protection device of the high-speed mixer can prevent a worker from starting the high-speed mixer due to faulty operation, prevent potential safety hazards and improve the safety.

The invention relates to a bucket-descending-preventing protection device of a mixer. The bucket-descending-preventing protection device comprises an L-shaped rotary rack, a rotary rack support, a linear guide rail, a push ring, a sliding block, a sliding block mounting seat and a driving device; the L-shaped rotary rack is composed of an L-shaped plate and a push plate connected to the top end of the L-shaped plate, and the angle alpha between the push plate and a longitudinal plate of the L-shaped plate ranges from 100 degrees to 160 degrees; the L-shaped rotary rack is mounted on the rotary rack support through a pin shaft I, the sliding block is mounted on the linear guide rail in a sleeving mode and connected with the sliding bock mounting seat, and the push ring is mounted on the sliding block mounting seat through a rotary shaft; the driving device is connected with the sliding block mounting seat. In a loosened state, the push ring abuts against the push plate of the L-shaped rotary rack; in a locked state, the push ring abuts against the L-shaped plate of the L-shaped rotary rack. According to the bucket-descending-preventing protection device, protection is carried out aiming at stirring bucket descending caused by oil cylinder leakage through automatic driving of the driving device, normal operation of equipment is guaranteed, and operation convenience and equipment reliability are improved.

The invention relates to a sliding rail assembly and a bracket device thereof. The bracket device comprises a longitudinal wall and a mounting piece; the mounting piece can move along a height direction relative to the longitudinal wall; and when the bracket device is turned over by an angle from a first state to a second state, the mounting piece can move from a first position to a second position. When located at the first position, the mounting piece can be used for being installed on a rack. When located at the second position, the mounting piece cannot be installed on the rack.

The invention relates to a health monitor which at least comprises a main body module used for detecting the body of a user to obtain at least one piece of health data, the main body module is provided with at least one main body module interface, and by means of the main body module interface, the health data of the user can be obtained. The main body module can obtain at least another item of health data different from the health data obtained by detecting the body of the user by the main body module from the outside, and the at least another item of data can only be generated outside under the driving of the main body module.