85results about How to "Prevent misplugging" patented technology

The invention discloses an intensive busway. The intensive busway comprises a plug box, a busway housing and a plurality of buses, wherein the plug box is arranged at the upper end of the busway housing; the buses are arranged inside the busway housing; the plug box comprises a box body, two pairs of guiding plates, a fixing plate and a plurality of pin assemblies; a pair of guiding plates are arranged at two ends of the box body respectively; the fixing plate is arranged at the bottom of the box body; the pin assembly comprises a pin, a pair of reeds and a pair of pin copper sheets; the busway housing comprises a pair of H sectional materials and a pair of U sectional materials; the H sectional materials are connected through the U sectional materials; the number of the buses is equal to the that of the pin assemblies. The intensive busway is good in sealing performance, large in heat dissipating area, low in cost, easy in operation and high in yield.

The invention discloses a bundle-type multi-cable holding fixer, which, in the structure, comprises a holding disc, cables and a handwheel, wherein the holding disc is provided with the handwheel witha concentric circular structure; and the six equally-divided positions on the holding disc are clamped with the cables. Compared with the prior art, the bundle-type multi-cable holding fixer has thebeneficial effects that through combination of the disc, a cable fixing group, an inhalation and exhalation group, and a windmill-type rotating group, the cables of an assembled computer can be fixed,which cables are from which computer can be clearly known, the cable layout is clear, each cable is independently clamped and fixed, the cable can be effectively prevented from getting loose, a certain distance exists between the cables, the cables can be prevented from being interlocked, the line is more clean and concise, the cables can be distinguished quickly, wrong plugging of cables can beavoided, and the cable can be quickly pulled.

The invention relates to an electricity generating device for a bicycle. The device comprises a driving mechanism, a generator and a transmission piece, wherein the driving mechanism comprises a driving wheel and a clamping device; the clamping device is provided with a plurality of grooves; the grooves are hooked to bicycle spokes; the driving wheel and a bicycle axle share the same circle center; the peripheral surface of the driving wheel is provided with a driving part; the generator comprises a driven wheel; the peripheral surface of the driven wheel is provided with a linked part; the linked part of the driven wheel is driven to rotate by the driving part of the driving wheel; the driven wheel drives the generator to generate electricity; a bicycle wheel drives the driving wheel to rotate; the driving part of the driving wheel drives the driven part of the driven wheel to rotate; and the driven wheel drives the generator to generate the electricity.

The invention discloses a locking device for a charging interface, which can fundamentally prevent the charging interface from being plugged and unplugged by mistake. The locking device comprises a locking pin and a shell, wherein, two sides of a bottom plate of the shell extend outwards, and a fixed hole is respectively arranged on each of the extension parts at two sides of the bottom plate; the bottom plate is equipped with a locking pin through hole which is communicated with an inner cavity of the shell and is matched with the locking pin; the locking pin is movably inserted into the locking pin through hole; a vertically inclined pushing block protruding outwards is arranged at an inner end of the locking pin; a return spring is sheathed on the locking pin and is constrained betweenthe bottom plate and the vertically inclined pushing block; an electromagnet is arranged in the shell, and a horizontally inclined pushing block is arranged at the top of an iron core of the electromagnet and is matched with the vertically inclined pushing; and pushing oblique planes matched with each other are respectively arranged on adjacent end faces of the vertically inclined pushing block and the horizontally inclined pushing block, the lower edge of the pushing oblique plane of the vertically inclined pushing block protrudes, and the upper edge of the pushing oblique plane of the horizontally inclined pushing block protrudes. The locking device has the advantages of fundamentally eliminating potential safety hazards and being very convenient to use.

The invention discloses a buckle type battery connector, which comprises a male end and a female end which are coaxially inserted, the male end is formed by embedding an electrode terminal in a waterproof shell, a cylindrical sinking groove is coaxially formed in the head of a cylindrical waterproof shell to form an annular end face, and an external corner fool-proof edge strip is arranged on the inner wall of the cylindrical sinking groove in the axial direction, a stainless steel clamp is embedded in the axis in the cylindrical sinking groove, an annular sinking groove is disposed at a female end and a cylindrical boss is formed, the center of the cylindrical boss is provided with a cross-shaped counter bore, and a mechanical elastic sheet buckle is arranged in the cross-shaped counter bore. Through the above mode, the buckle type battery connector provided by the invention adopts a mechanical buckle type structure to realize rapid plugging and unplugging installation, is locked by a buckle made of a stainless steel material after plugging, and adopts a fool-proof design for unidirectional insertion on the end surface to prevent wrong plugging. And the buckle can be pulled to be separated, so that the risks of overturning and falling of the wiring equipment caused by manual misoperation, tripping or pulling of a plug wire and the like are avoided.

The invention provides a wall type socket with a power plug, which consists of a socket and a wall outlet. A power plug which is externally connected and is inserted to and connected with the wall socket is arranged at the back of the shell body of the socket, one end of the power plug is connected with a circuit in the socket and the other end thereof is connected with the circuit in the wall socket. Compared with the prior art, the wall type socket with the power plug is characterized by rational design, simple structure, safety and reliability, convenient use, easy maintenance and the like. In use, plug cables inserted into and connected with the socket droop naturally, occupying no space, and wrong pulling can be avoided when inserting or pulling a plug and the use of other plugs is not influenced, therefore, the extension cord has high promotion and use value.

The invention discloses a mutual inductor handover test switching device and a switching method thereof. The device comprises four sets of switching circuits, respectively a first group of secondary winding switching loop, a second group of secondary winding switching loop, a third group of secondary winding switching loop and a fourth group of secondary winding switching loop, each of the switching circuits comprises an I+ input end, an I-input end, a U+ input end, a U- input end, a first selector switch, a second selector switch, an output end E, an output end L and an output end D. The I+ input end and the U+ input end are connected to one end of a secondary winding of the transformer in parallel, the I- input end and the U- input end are connected to the other end of the secondary winding of the transformer in parallel, the I+ input end is connected to the output end D and the I- input end through a first selector switch, and the I- input end is connected to the output end E and the output end L through a second selector switch. According to the invention, the mutual inductor with no more than four groups of secondary windings can be tested, the switching loop is simple, the switching is convenient, the test during mutual inductor handover is rapidly realized, the test time is shortened, and the test efficiency is improved.

The invention discloses a mutual inductor handover test device and a test method thereof. The device comprises a test wire clamp, a switching device and a tester. The test wire clamp is connected to the input end of the switching device through a test wire. A test port of the switching device is connected to the tester, the test wire clamp can clamp a screw of a secondary side terminal of the mutual inductor, the switching device is used for connecting and short-circuiting a secondary winding of the mutual inductor, and the tester comprises an insulation resistance tester, a transformation ratio tester, a mutual inductor characteristic tester and a direct-current resistance tester. According to the invention, through using the test wire clamp, the switching device and different testers, the test wire clamp is connected with the switching device, the switching device is connected to the secondary winding of the mutual inductor at a time, various tests are achieved when the mutual inductor is handed over, the functions of open circuit, short circuit and grounding operation of the secondary side winding are rapidly completed only through switching of the switching device, the test time is shortened, and the test efficiency is improved.

The invention relates to a computer technology, in particular to a method and an apparatus for monitoring a hot-plug situation of a mobile hard disk. The method and the apparatus are used for improving the protection degree of data integrity and security. The method comprises the steps of detecting whether an application is started or not when a terminal detects that the mobile hard disk is plugged or unplugged, and if yes, locking or unlocking the mobile hard disk electronically by the terminal and then performing locking or unlocking mechanically; or otherwise, locking or unlocking the mobile hard disk mechanically by the terminal. Therefore, data in the mobile hard disk can be subjected to encryption protection; the data in the mobile hard disk is prevented from being subjected to accidental destruction such as virus invasion and the like; the security and secrecy of the data in the mobile hard disk are ensured; the security and integrity of data written in or/and read out from themobile hard disk by the terminal are ensured; the mobile hard disk can be prevented from being loose and dropping out during use; and the false plugging and unplugging situation of the mobile hard disk is effectively prevented.

The invention discloses an intelligent door lock fault detection and diagnosis tool, which comprises a shell. The shell is internally provided with a circuit board and a battery box; the front surfaceof the shell is provided with a display screen, a card swiping detection site, a power supply interface, a control switch, a data interface and a short circuit indicator. According to the intelligentdoor lock fault detection and diagnosis tool disclosed in the invention, a large number of originally-required detection tools such as a multimeter and an emergency power supply are replaced throughthe delicate and convenient whole design, the time of continuous debugging is also saved, a problem point can be accurately located, precise replacement can be carried out, and the phenomenon that multiple times of damages caused by repeated disassembly and assembly or uncertain problem points during the maintenance process to result in the rise of the maintenance cost can be avoided. For professional maintenance personnel, time and extra loss can be saved, that is, the working cost is reduced. For users, the door lock information can be effectively protected, replacement of the whole door lock is not needed, and additional expenditure is also saved in a disguised form.

The invention relates to the technical field of control cabinets, in particular to a local control cabinet capable of supplying power to multiple control cabinets, which comprises a control cabinet base and a control cabinet mechanism, wherein the control cabinet mechanism is formed by splicing a plurality of control cabinets, the bottommost control cabinet is connected with the control cabinet base, and the stacked control cabinets are independent of each other. During use, the connecting surface of the control cabinet can be selected to face one side of a connected device according to the position and orientation of the connected device, wiring is facilitated, the positions of connecting lines are limited through the line fixing frames during wiring, each line fixing frame corresponds to one socket structure, the connecting lines are distinguished conveniently, connecting lines are prevented from being wound at sockets, wrong user plugging is avoided, the wiring accuracy is improved, and the power-on and connection states of the controller can be controlled by moving the stretching plate during maintenance, the structure is simple, the use is convenient, the cabinet body does not need to be dismounted during maintenance, any connecting wire does not need to be plugged, the maintenance efficiency is effectively improved, and the practicability is better.

The invention provides an electric equipment interface and electric equipment. The electric equipment interface comprises an electric parameter detection module and a control module, wherein the electric parameter detection module is used for detecting whether electric parameters provided by a power distribution equipment interface are matched with rated operation electric parameters of the electric equipment when the electric equipment interface is connected with the power distribution equipment interface or not; and the control module is used for controlling a power supply circuit to turn onso as to supply power for the electric equipment through the electric equipment interface when the electric parameters provided by the power distribution equipment interface are matched with the rated operation electric parameters of the electric equipment. The electric equipment interface has an electric parameter detection decision-making function, and when an electric appliance is in a specific distribution voltage or current range, electricity can be saved, so that the problem that the electric appliance is plugged by mistake to lose efficacy or even cause safety accidents is avoided.

The invention discloses a linear universal socket, comprising a base, a top cover, a plurality of single two-sided sockets, a plurality of groups of reeds and a plurality of central plugs, wherein the top cover is provided with a plurality of through holes which are arranged in a linear manner; one end of each single two-sided socket is a flat jack, and the other end of each single two-sided socket is a round jack; all the groups of reeds are respectively arranged in all the single two-sided sockets, and the two ends of all the groups of reeds are respectively matched with the two ends of allthe single two-sided sockets; all the single two-sided sockets are limited in the base by the top cover in a manner of linear arrangement, and one end of each single two-sided socket corresponds to each through hole of the top cover; and the central plugs are arranged in the base in a linear manner, are respectively connected to a binding post with a power line, and are respectively embedded intothe other end of the outer shell of each single two-sided socket. The linear universal socket has the characteristics of small occupied space, extremely strong universality, capability of providing any power supply in all series and wide application in any grounding system and the like.

The invention discloses a safety electromagnetic lock. The safety electromagnetic lock comprises a panel bracket, a shell, an electromagnetic lock tongue, an indicator lamp, a key positioning sheet and a contact switch; the panel bracket is used for carrying the electromagnetic lock tongue, the indicator lamp, the key positioning sheet and the contact switch; the panel bracket is sleeved with theshell which is used for protecting the safety electromagnetic lock; the electromagnetic lock tongue is used for controlling opening and locking of the safety electromagnetic lock; under the powering-off state, the electromagnetic lock tongue stretches out to lock a key, and under the powering-on state, the electromagnetic lock tongue is attracted back to allow the key to rotate to be pulled out; the key positioning sheet is used for determining the positioning relationship with the key; and the contact switch is used for triggering the safety electromagnetic lock to unlock the key.

The invention discloses a misplug-proof terminal set used for sewing equipment. The misplug-proof terminal set comprises a 6-pin white terminal used for a power supply interface of a control plate and having the pin distance being 2.5 mm, a 4-pin white terminal used for digital quantity detection input and having the pin distance being 2.5 mm, a 3-pin white terminal used for pedal signal detection input and having the pin distance being 2.5 mm, a 10-pin white terminal used for motor control and having the pin distance being 2.5 mm, and a 4*2-pin white terminal used for electromagnetic valve control output and having the pin distance being 4.2 mm. The misplug-proof terminal set has the following beneficial effects: terminals with different functions are connected by adopting different pin numbers, different pin distance and the like, a misplug phenomenon is prevented, promotion and application in the industry are facilitated, and the misplug-proof terminal set is of considerable production practice and practical significance.

The invention discloses a single-phase electronic intelligent electric meter plug-in device, The structure comprises a casing, a connecting part and a pressing block, wherein the connecting part is fixed by the pressing block after being inserted with the casing, two grooves for inserting the connecting part are arranged on the casing in parallel, two side walls corresponding to the grooves are respectively provided with a cantilever beam, and the upper end of the cantilever beam is provided with a V-shaped socket convenient for inserting the connecting part. The plug-in device has simple structure and reasonable design, and can prevent the electrode from being misinserted, deflected or unable to be inserted, prevent the contact from fatigue failure, and ensure the safe operation of the electric meter.

The invention discloses an optical fiber management box and a method. The optical fiber management box comprises a controller, an alarm and a shell, and is characterized in that the shell is rectangular, one shell plate of the shell is provided with a display screen, a temperature sensor and a ventilating fan, another five shell plates of the shell respectively comprise an inner shell plate and anouter shell plate, each inner shell plate and each outer shell plate are provided with optical fibers extending in a wave-shaped manner, and the optical fibers on the corresponding inner shell platesand outer shell plates are perpendicular to each other in trend, and the optical fiber management box further comprises 10 light-emitting couplers which are electrically connected with light input ends of the optical fibers and 10 photosensitive sensors which are electrically connected with light output ends of the optical fibers; and the controller is electrically connected with the temperaturesensor, the alarm, the ventilating fan, the light-emitting couplers and the photosensitive sensors. The optical fiber management box has the characteristics that the deformation and breakage of the shell can be timely detected and the alarm information can be timely sent out.

The invention relates to the field of gloves, in particular to a rubber glove comprising a glove body, an interlocking mechanism, a protection mechanism and a friction mechanism. An elastic tighteningring is fixedly sewn at the end, close to the wrist, of the glove body. The interlocking mechanism is arranged on the glove body; the interlocking mechanism comprises a zipper tooth strip and a zipper; openings are formed in the back surfaces of the glove body and the elastic tightening ring; two zipper tooth strips which are matched with each other are fixedly mounted on the openings; zippers for enabling the zipper tooth strips to be meshed with each other are mounted on the two zipper tooth strips; the protection mechanism is installed on the hand back face of the glove body and comprisesa plastic plate, sub buckles and mother buckles, the plastic plate is connected with one side of an opening of the glove body through leather, the two sub buckles are fixedly installed on the side, away from the leather, of the inner wall of the plastic plate, and the two mother buckles are fixedly embedded in the other side of the opening of the glove body. The rubber glove has the advantages ofbeing convenient to wear and capable of preventing puncture.