489 results about "Key switch" patented technology

A keyboard key structure comprising a key stem, a contact-based mechanical trigger, and a contactless analog key switch. The key stem is configured to be depressed and move along a linear path over a range of operation. The contact-based mechanical trigger is configured to activate after the key stem is depressed a threshold distance in the range of operation. In response to the contact-based mechanical trigger activating, the contactless analog key switch is configured to detect, at a sample rate, a position of the key stem between the threshold distance and an end of the range of operation after the key stem is depressed. The contact-based mechanical trigger can be a galvanic-type key switch. The contactless analog key switch can be one of an optical key switch, a magnetic key switch, or an inductive key switch.

The present invention discloses a handheld apparatus, including: a fan body provided with a snap-fit groove at its bottom; and a handle, detachably installed on the fan body, where the handle is provided with a locking mechanism, the locking mechanism includes a key switch, a locking portion, and an elastic member, the key switch is fixedly connected with the locking portion, and the elastic member is located between the locking portion and the handle, where the key switch is for a user to press to drive the locking portion to move downward, so that the locking portion and the snap-fit groove are unlocked; and the elastic member is configured to drive the locking portion to move upward, so that the locking portion and the snap-fit groove are locked. Through the present invention, a problem that existing fans are inconvenient to carry and have a monotonous function is resolved.

The utility model relates to the technical field of soil in-situ detection, and discloses a portable soil quality multi-parameter in-situ detection device. The device mainly comprises a controller, a connecting wire, an optical probe and a sensor. The controller is provided with a touch screen, a single-chip microcomputer circuit board, a single-chip microcomputer, an SD card, a key switch, a wireless communication control panel and a power source, and power source management, detection system control, real-time data processing, man-machine interaction, data storage and remote transmission can be achieved. The sensor comprises a soil temperature probe, a soil humidity probe, a soil conductivity probe and a soil pH probe, and can realize real-time data acquisition of soil temperature and humidity, conductivity and pH value; an annular lamp holder, a light source, a photoelectric sensor, a plano-convex lens, a light shielding plate, a light shielding boss and a light shielding ring are arranged in the optical probe, and rapid collection of soil organic matter spectrum information can be achieved. The soil in-situ detection device realizes synchronous acquisition of multiple parameters of soil, is reasonable in structural design and convenient to operate, and is suitable for popularization and application in the field of soil in-situ detection.

The embodiment of the invention relates to the technical field of battery packs, and particularly discloses an electric connector, a battery pack and an energy storage system.The electric connector comprises a first connector and a second connector, the first connector comprises a first body, a first conductive base, a second conductive base and a key switch, the first conductive base and the second conductive base are arranged on the first body, and the key switch is used for being connected with a main control system of the battery pack; the second connector comprises a second body, a first conductive seat and a second conductive seat, the second conductive seat is connected with a first electrode of the battery pack, the first conductive seat is provided with a current conducting bar, the current conducting bar is electrically contacted with the second conductive seat to form an opening area with the second conductive seat, and the second connector comprises a second body, a first conductive head, a second conductive head, an insulating ejector rod and an insulating spacer, in the butt joint process of the two battery packs, the insulating ejector rod of the first battery pack presses the key switch of the second battery pack, and the insulating spacer of the first battery pack abuts against the first conductive seat and the second conductive seat of the second battery pack for breaking and isolation. According to the embodiment of the invention, contact sparking caused by connection of adjacent battery packs can be reduced.

Provided in the present invention are a rail transit train control method and apparatus. The method comprises: when the communication of a train is interrupted, acquiring a train movement direction, axle counting information, turnout information and a planned travelling destination, wherein the planned travelling destination is determined on the basis of passenger flow information corresponding to the next station of the train and a control instruction of an ATS center; determining train positioning information on the basis of at least one of the axle counting information and the turnout information, and the train movement direction; and determining a target authority on the basis of a plurality of device states between the train positioning information and the planned travelling destination, so as to control an operation level mode of the train, wherein the plurality of device states comprise a section state, a signal machine state, a staff protection key switch (SPKS) button state of a signal system, a screen door state, an emergency button state and a flood gate state. The method in the present invention can improve the automatic operation efficiency and operation safety of a train, thereby shortening the rescue time of an FAO system in case of a fault, and having high usability.

The utility model discloses a UPS (Uninterrupted Power Supply) starting device and an energy storage device. The UPS starting device comprises a UPS body, the starting mechanism is used for externally applying external force to control the UPS body to be started and stopped; and the fixing device is used for limiting and fixing the UPS body and the starting mechanism. The starting mechanism comprises an electromagnetic lock and a key switch used for controlling the electromagnetic lock, the electromagnetic lock comprises a lock body and a spring bolt, and when the key switch is pressed, the spring bolt extends out of the lock body to press a control button on the surface of a shell of the UPS body, so that the UPS body is started or closed. By adding the electromagnetic lock device, the starting of the UPS body is not influenced by the structural layout due to the position problem of a switch key of the UPS body, and the UPS body can be placed at a redundant space position in the energy storage box, so that the problem of front space layout of electrical parts of the energy storage equipment is reduced.

The utility model discloses a lightweight flywheel encoder with switchable hand feeling, which comprises a support and an encoder module arranged on the support, and further comprises a roller for triggering the encoder module to generate signals, a hand feeling piece is fixed at the axis of the roller, and a triggering element for triggering the encoder module to generate electric signals is further arranged on the hand feeling piece. The support is further provided with a key change-over switch and a hand feeling change-over piece. When the key change-over switch is pressed, the damping of the hand feeling change-over piece acting on the hand feeling piece can be adjusted. Damping of the hand feeling switching piece to the hand feeling piece is easily adjusted through the key change-over switch, instant switching of hand feeling is achieved, different user requirements are met, meanwhile, the structure is light, operation is easy and convenient, and user experience and flexibility and applicability of equipment are improved.

The invention relates to the technical field of fire protection equipment, and discloses a single-arm fire protection robot which comprises a mechanical arm, one end of the mechanical arm is connected with a rotating joint, one end of the rotating joint is provided with a manipulator, the manipulator is fixedly provided with a fixed shell, and a positioning feeler lever assembly, a knob opening and closing assembly and a clamping jaw assembly are integrally assembled in the manipulator. According to the invention, the knob opening and closing assembly, the positioning feeler lever assembly and the clamping jaw assembly carry out point position calibration setting through the tail end of the feeler lever, the knob opening and closing assembly and the clamping jaw assembly act around the positioning point of the positioning feeler lever assembly, and when the point position setting of the movement of the manipulator is carried out, the micro-motion point position setting required for the key switch can be reduced; according to the technical scheme, the situation that the difference between pressing force and clamping force in key operation is large due to errors generated by operation of the mechanical arm can be reduced, meanwhile, when an operator conducts point position checking, the tedious degree of point position checking can be reduced, and later maintenance work is better facilitated.

The invention discloses a radio frequency signal smart card with key switch control and a control method thereof, and belongs to the field of smart cards, the device comprises a smart card body, the smart card body is internally provided with an outer ring radio frequency antenna, a radio frequency chip, a key switch, an LED lamp pole chip and an inner ring radio frequency antenna, and the outer ring radio frequency antenna is arranged at the edge in the intelligent card body. The key switch is pressed to enable the radio frequency chip and the LED lamp pole chip to form an access through the outer ring radio frequency antenna and the inner ring radio frequency antenna, and power is supplied to the radio frequency chip and the LED lamp pole chip through cooperation of a radio frequency field, the outer ring radio frequency antenna and the inner ring radio frequency antenna near a card reader. An algorithm is pre-stored in the key switch to generate a one-time password and transmit the one-time password to the card reader, unauthorized scanning is prevented, relay attacks are resisted, an LED indicating lamp on the LED lamp pole chip indicates the transaction state, using is more visual, experience is better, active safety control is achieved through a simple structure, and the encryption scheme is simple, convenient and superior to a pure software encryption scheme.

An intelligent charging port cover plate control circuit integrating UWB ultra wide band remote control is characterized in that a main controller is arranged, and a distance detection end group of the main controller is connected with an antenna through a UWB distance detection circuit; the key detection end of the main controller is connected with an external key switch through a key detection circuit; a charging port cover plate control end of the main controller is connected with a charging port cover plate switch through an LIN bus circuit; the UWB distance detection circuit is provided with a UWB distance detection module, a data receiving end of the UWB distance detection module is connected with a first distance detection end of the main controller after being connected with a resistor R74 in series, and a data transmitting end of the UWB distance detection module is connected with a second distance detection end of the main controller after being connected with a resistor R72 in series; a first signal transmitting and receiving end of the UWB distance detection module is connected with a first antenna interface after being connected with a resistor R114 in series, and a second signal transmitting and receiving end of the UWB distance detection module is connected with a second antenna interface after being connected with a resistor R119 in series. The intelligent charging port cover plate has the advantages that the mistaken touch prevention function of the intelligent charging port cover plate is achieved, and the reliability and the anti-interference capacity of the control circuit are improved.

The application relates to a fuel cell system and a control method thereof, and an electric vehicle, the fuel cell system being connected with a power system of the electric vehicle, the fuel cell system comprising a fuel cell, a self-locking unit, a controller and a gas storage unit; in the case that a key switch is turned on, the controller is powered by a power battery, so that the controller controls the gas storage unit to execute a starting process after the self-locking unit is closed, and the fuel cell starts to work after the starting process is completed; in the case that the key switch is turned off, the controller is powered by the power battery, so that the controller controls the self-locking unit to be turned off after the gas storage unit executes a shutdown process, and the fuel cell stops working after the shutdown process is completed. According to the technical scheme, the power system of the two-wheeled electric vehicle is used to supply power for the starting process and the shutdown process of the gas storage unit, so that the traditional two-wheeled electric vehicle is conveniently transformed.

The invention discloses an inner handle with a key switch and an indicator light, which comprises a base, a rotating groove and an unlocking groove are formed on the base, an inner handle is rotatably arranged on the rotating groove, the inner handle is partially placed in the unlocking groove, and an unlocking space for placing a hand is formed between the inner handle and the unlocking groove; a mounting groove is formed in the inner handle, an unlocking button is arranged in the mounting groove, the whole unlocking button is arranged in the mounting groove, and the mounting groove is located above the rotating groove.

A kind of vacuum magnetic wireless charging device, including wireless magnetic induction charging coil and shell, shell includes charging annular groove, the device further includes charging surface cover, key switch, slider, elastic element and rubber plug, charging surface cover cover is established in charging annular groove, the charging surface cover is equipped with suction cup, shell further includes chute located in inner side edge and the air passage in chute, slider is connected in chute by elastic element, slider and rubber plug, key switch are integral structure, one end of key switch protrudes shell, the other end is connected with slider, air passage has air hole, suction cup is equipped with exhaust hole, air hole is communicated with exhaust hole, natural state, rubber plug blocks air hole, when pressing key switch, slider drives rubber plug to move in the direction away from air hole to make rubber plug separate from air hole, when releasing pressing key switch, slider makes rubber plug elastic reset and blocks air hole under the action of elastic element.

A vehicle console, a control assembly, a vehicle and a control method wherein the vehicle console includes a control button zone disposed in a rear row of the vehicle, the control button zone including a first button that is still operable when a vehicle key switch is in an OFF state. Through the scheme design, the requirement that people in the vehicle operate and control the vehicle in the back row is met.

1. Name of the designed product: key switch (double light magnetic shaft) 2. Use of the designed product: the designed product is used for the switch of electronic equipment. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: perspective view 1.

The utility model relates to a household appliance, in particular to an electric furnace panel, which solves the use problem of an electric furnace. Comprising a base, a panel and a furnace body, the panel is arranged on the top face of the base and fixedly connected with the top face of the base, a mounting groove allowing the furnace body to be embedded is formed in the panel face of the panel, and the furnace body and the base are fixedly assembled. A switch controller electrically connected with the key switch is arranged in the cavity, the top face of the oven body is a heating face, and the oven body is provided with evenly-distributed heat conduction strips and heating wires arranged in a surrounding mode on the heating face. Due to efficient energy conservation, intelligent temperature control and efficient heating wire design, energy consumption is reduced, and heating efficiency is improved; safety and reliability are achieved, multiple protection mechanisms are adopted, use safety is ensured, and accidents are avoided; intelligent operation is achieved, remote control and timing functions are supported, and user experience is improved; due to the design of the multi-color indicator lamp, a user can visually know the working state of the electric furnace.

The invention provides a security method and device based on homomorphic encryption, and belongs to the technical field of communication, and the method comprises the steps: obtaining a level 2 error learning hypothesis LWE ciphertext; converting the LWE ciphertext into a first ring error learning hypothesis RLWE'ciphertext at a level 1 by executing a public key switching algorithm and a splicing operation; and calculating the first RLWE'ciphertext by executing a scheme switching algorithm to obtain a first RGSW ciphertext at the level 1. It can be seen that one RLWE'ciphertext, such as a first RLWE 'ciphertext, is calculated through a public key switching algorithm, then the first RLWE' ciphertext is expanded into an RGSW ciphertext, such as a first RGSW ciphertext, through a scheme switching algorithm, the key size is smaller, and the overhead is smaller than that of calculation of two RLWE 'ciphertexts, so that the overhead of circuit bootstrap in a hierarchical homomorphic calculation mode can be reduced, and the circuit bootstrap efficiency is improved. The operation efficiency is improved.

This invention relates to a keyboard system and a method of operating the keyboard. The keyboard system includes: a key structure comprising a key switch having a light-emitting element and a phototransistor; and one or more processors driving the light-emitting element for a first pulse duration. The output of the phototransistor is determined when the first pulse duration ends, wherein if the output is lower than a first output value when the first pulse duration ends, it is determined that the key structure is pressed, and if the output of the phototransistor is higher than a second output value when the first pulse duration ends, it is determined that the key structure is not pressed. The fall time of the output during the first pulse duration is determined, and if the fall time is less than the first pulse duration, the first pulse duration is calibrated to a second pulse duration, the second pulse duration being greater than the fall time and less than the first pulse duration.

The utility model discloses a stable guide key switch structure, which comprises a base and a switch shaft capable of moving up and down in the base, the center of the bottom of the switch shaft extends downwards to be provided with a main guide column, a guide table extending upwards is arranged in the base, and a guide cavity matched with the main guide column is formed in the guide table; the guide table is sleeved with a reset spring, and the two ends of the reset spring abut against the base and the switch shaft respectively. The left side wall and the right side wall of the switch shaft extend downwards to be provided with guide grooves, two auxiliary guide columns matched with the two guide grooves extend upwards in the base, the two auxiliary guide columns are arranged on the two sides of the guide table respectively, and when the switch shaft is pressed, the auxiliary guide columns are matched with the inner walls of the guide grooves to limit transverse swing of the switch shaft. According to the switch structure, through cooperative work of the main guide column and the auxiliary guide column, traditional single-point guide is upgraded to three-point positioning, transverse swing of the key is effectively inhibited, and pressing stability is improved; the design of double positioning grooves of the reset spring prevents offset failure, the whole structure is compact and durable, the service life is remarkably prolonged, and the operation reliability is remarkably improved.

The utility model relates to the technical field of magnetic shaft keys, in particular to a magnetic shaft key switch with a double-light-guide structure, which comprises a shell and a shaft core structure arranged in the shell in a lifting manner, a spring used for supporting the shaft core structure is arranged in the shell, the shaft core structure comprises a magnet, and the magnet is arranged in the shell. Light guide pieces penetrating through the shell are arranged on the two sides of the shaft core structure. According to the keyboard, the light guide pieces are arranged on the two sides of the keys in the penetrating mode, it is ensured that the key switches and the key caps on the key switches can be fully covered by lamplight, the uniformity and coordination of the lamplight are greatly improved, the lamplight effect of the keyboard is improved, and the use experience of a user is improved. Compared with a traditional single-side light guide structure, the double-light-guide-column structure remarkably enlarges the illumination range of the key, so that light is more uniform and harmonious.

The utility model discloses an aircraft landing gear state comprehensive simulation device, which belongs to the field of simulation devices, and comprises a device main body, a first adapter cable and a second adapter cable, the first adapter cable and the second adapter cable are connected with the device main body, a display is embedded in the middle of one side surface of the device main body, a switch and socket assembly is arranged around the display, and the first adapter cable and the second adapter cable are connected with the device main body. The switch and socket assembly specifically comprises a first quick-release cable socket embedded in the edge position of one side above the display, a second quick-release cable socket is embedded in one side of the first quick-release cable socket, and a power switch is embedded in the side, away from the first quick-release cable socket, of the second quick-release cable socket. A power socket is embedded in the side, away from the second quick-release cable socket, of the power switch, and a self-checking key switch is embedded in one side of the displayer. According to the utility model, automatic protection and visual display of the airplane state when the airplane state logic is disordered are realized, and normal airplane performance is ensured.

The utility model discloses an elastic force adjustable key switch, which comprises a button, an upper shell, a bottom shell, a first magnetic piece, a push rod, a second magnetic piece, a fixed seat and an elastic device, and is characterized in that the first magnetic piece is connected with the button, a spring is arranged between the button and the bottom shell, and the button is driven by the spring to rebound and reset; the second magnetic piece is installed in the fixing base, and the fixing base is in butt joint with the elastic device. The push rod is movably installed in the upper shell, the second magnetic piece is opposite to the push rod through the fixing base and is spaced from the first magnetic piece by a certain distance, and a rebounding structure for the button is formed by superposing magnetic force between the first magnetic piece and the second magnetic piece and elastic force of the spring. The distance between the second magnetic part and the first magnetic part is changed by shifting the push rod so as to adjust the magnetic force between the first magnetic part and the second magnetic part, so that the magnetic force between the two magnetic parts is adjustable, the elastic force of the switch is adjustable, the switch is more diversified, the playability is higher, and the use requirements of more people can be met.

The utility model belongs to the technical field of teaching aids, and particularly relates to an auricular point model teaching aid, which comprises an ear model body for simulating the outline of an ear of a human body, and the outer wall of the ear model body is provided with a key switch capable of being pressed at the position corresponding to each auricular point, and the key switch is used for sending a signal when being pressed. Corresponding auricular point names are carved at the positions, corresponding to auricular points, of the inner wall of the ear model body, and LED lamps are embedded in the positions respectively and used for being turned on when receiving signals so that the corresponding auricular point names can be displayed through a shell, not completely transparent, of the ear model body. A microcontroller, a voice chip, a loudspeaker and a lithium battery are arranged in the ear model body, a display switch is arranged on one side of the ear model body and used for controlling the display state of the LED lamp, and when the teaching aid is used, visual teaching can be provided, interactivity is achieved, and the teaching quality can be effectively improved.

The invention relates to a keyboard key structure and a method for operating a keyboard. The keyboard key structure includes a key lever, a contact-based mechanical trigger, and a non-contact analog key switch. The key lever is configured to be depressed and moved along a linear path within an operating range. The contact-based mechanical trigger is configured to be activated after the key lever is depressed a threshold distance within the operating range. In response to activation of the contact-based mechanical trigger, the non-contact analog key switch is configured to detect a position of the key lever between the threshold distance and an end point of the operating range at a sampling rate after the key lever is depressed. The contact-based mechanical trigger may be a galvanic key switch. The non-contact analog key switch may be one of an optical key switch, a magnetic key switch, or an inductive key switch.

The invention discloses portable energy storage equipment and a starting control circuit thereof. The portable energy storage equipment comprises an energy storage battery, and the start control circuit of the portable energy storage equipment comprises a key switch module which is used for receiving an external instruction and outputting a key signal when the received external instruction is a start instruction; the pre-charging starting module is used for controlling the energy storage battery to pre-charge the electric load with limited current under the control of the key signal; the voltage detection module is used for detecting the battery voltage of the energy storage battery and the load voltage of the electricity load in real time; the main control module is used for outputting a self-sustaining signal when the load voltage and the battery voltage reach a preset proportion; and the self-sustaining module is used for controlling the energy storage battery to supply power to the electric load under the control of the self-sustaining signal. According to the technical scheme, the operation safety and stability of the portable energy storage equipment can be improved.

The application discloses a locomotive electric key switch mechanism, which comprises a key, a lock seat, a limiting sleeve, a lock core and a transmission mechanism, and a reset structure is arranged in a screw rod of the transmission mechanism. The switch mechanism has a self-locking function, is small in structure and high in reliability. The key must be pressed to be rotated, and the key can only be inserted or pulled out in the off position. When the key is in the on position, the key is reset and self-locked under the action of the reset structure, so that the key is effectively prevented from being rotated by mistake and affecting the power-on and power-off of the locomotive. When the key is rotated between the off position and the on position, the transmission mechanism is accompanied by extension or retraction to control the opening and closing actions of the switch, and the switch feeds back a switch quantity electric signal to control the power-on and power-off of the locomotive.

The utility model provides a touch type shaver cleaning device which comprises a shell, a cleaning device body and a cleaning device body, the shell is provided with an installation cavity, and a touch area is preset on the outer side of the shell and located above the installation cavity or on one side of the installation cavity; the circuit board is arranged in the mounting cavity, and an induction area is arranged on the circuit board; the conductive part abuts against the inner wall of the mounting cavity and the induction area, and the area, making contact with the mounting cavity, of the conductive part corresponds to the touch area in position. According to the touch type shaver cleaner, a touch type structure is adopted, human body current is transmitted to the circuit board through the conductive part, then the corresponding switch assembly or other functional assemblies are triggered, compared with a mechanical key switch, the touch type shaver cleaner is simpler in structure, the cost is reduced, the assembly difficulty is simplified, the waterproof performance is better, and the touch type shaver cleaner is suitable for popularization and application. Therefore, the sensitivity and stability of the switch are better, and the appearance of the housing is smoother, neater and more beautiful.

The utility model relates to the field of flat cable testing, and discloses a flat cable testing device. The device comprises an information input module, a test module and an indication module, the information input module comprises a plurality of key circuits, and each key circuit is used for generating an operation signal when the current key state of a key switch in the circuit is a target state; the test module is respectively connected with each key circuit and the to-be-tested flat cable, and the test module is used for executing test logic on the to-be-tested flat cable; the indication module comprises a plurality of indication lamp groups, each indication lamp group is connected with the test module, and the indication module is used for indicating the test result of the to-be-tested flat cable. According to the invention, the flat cable detection is automatically realized through a simplified structure, the detection efficiency is improved, and the test error caused by manual detection is also avoided; in addition, the indication module can also synchronously indicate the test state and the test result of the flat cable, thereby facilitating the visual display of the test state, enhancing the visual feedback, and improving the user experience.