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 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 discloses a filter, which comprises: a filter body, which is embedded on a wall, and the filter body includes an air inlet box section, a primary filter box section, an aerosol injection section, The secondary filter box section and the air outlet box section, the aerosol injection section is equipped with a first aerosol dust-generating pipe for injecting aerosol particles; the air outlet box section is provided with an air outlet, and on the air outlet A sealing valve plate device is installed, and the sealing valve plate device is used to seal or open the air outlet; a filter element module is installed in the first-stage filter box section and the second-stage filter box section, and is used to compress the air outlet. The pressing mechanism of the filter element module and the point-by-point scanning leak detection mechanism located downstream of the filter element module, the point-by-point scanning leak detection mechanism is used to scan and detect the aerosol particles injected into the upstream of the filter element modules respectively. The filter has multiple functions, high safety level, double filtering function, and reliable airtightness.

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 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 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 discloses a ground connection vehicle and a ground connection method for a middle type switch cabinet. The ground connection vehicle comprises a chassis vehicle, a base, three pole columns, three electrified sensors, three upper contact arms, an electrified displayer, a ground connection device, an electromagnet controller and a control circuit. The three electrified sensors are respectively opposite to the three pole columns and are arranged at intervals relative to the three pole columns. The ground connection device comprises a switch-on coil for electric switch on and a switch-on button for manual switch on. The electromagnetic controller comprises a blocking shaft for controlling the switch-on button and a latching electromagnet for controlling the blocking shaft to extend out and draw back. The control circuit is electrically connected with the switch-on coil and the latching electromagnet. Furthermore, the control circuit can be automatically switched off when the electrified sensors sense that the control circuit is electrified, the switch-on coil and the latching electromagnet are both prompted to loss electricity, and the blocking shaft can extend out to clamp the switch-on button when losing attraction of the latching electromagnet. The ground connection vehicle has an electricity verifying function and is better in safety, higher in reliability and more convenient to operate.

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.

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 discloses a key spring assembling structure and a using method, the key spring assembling structure comprises a box body, the right side of the top of the box body is connected with a first linear driving mechanism through a bolt, the top of the first linear driving mechanism is riveted with a sorting mechanism, and the right side of the rear side of the box body is riveted with a fixing plate; the top of the fixing plate is connected with a vibration disc through bolts, and the front side of the vibration disc communicates with a straight vibration rail. The key spring assembling structure has the advantages of being efficient in assembling and having a fool-proof function, and the problems that in the using process of an existing key spring assembling structure, a manual assembling mode is generally adopted for assembling key springs, time and labor are wasted, meanwhile, production efficiency is affected, and due to the fact that the structure is single and does not have the fool-proof function, the assembling efficiency is poor are solved. The problems that in the assembling process, fool-proof protection cannot be conducted on workers, so that potential safety hazards are likely to be generated, and the applicability of the key spring assembling structure is reduced are solved.

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 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.

The present application relates to a one-way transmission gear structure, and relates to the field of transmission gears, which include a driving gear for connecting a motor and a driven gear for connecting movable parts, and the driving gear and the driven gear are driven by meshing. Connect, input torque to the driving gear through the motor, and then transmit the torque to the driven gear through the driving gear, so that the driven gear can drive the movable parts to do work. The application has the effect of reducing the structural cost of the one-way transmission gear in the related art.