306 results about "Key switch" patented technology

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.

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.

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 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.

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 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.

The utility model relates to a multifunctional composite panel, which comprises a casing, a PCB (printed circuit board) and a composite panel, the PCB is fixed on the casing, a support fixed on the casing is arranged above the PCB, a gap is reserved between the support and the PCB, the composite panel is arranged on the support, the side edge of the composite panel is fastened and fixed with the support, and the PCB is fixed on the casing. The composite panel comprises a silica gel layer, a PC layer, an ink layer, a plastic layer and a touch sensing layer which are sequentially arranged from outside to inside. By the adoption of the technical scheme, the silica gel layer and the PC layer are combined in the composite panel, the soft characteristic of silica gel and the strength and light transmission of PC materials are utilized, so that the structure has certain stability, meanwhile, the silica gel on the outer surface endows the composite panel with the touch effect close to the skin, and the appearance of the composite panel is attractive. The touch sensing layer is arranged on the surface of the composite panel, so that the touch feeling is better when the composite panel is used as an automotive trim or the surface of other touch switches or key switches, the touch sensing layer is electrically connected with the PCB, and the touched position and strength of the composite panel can be detected and fed back.

The utility model provides a dust collection woodworking bench saw which comprises a machine shell, a motor, a saw blade and a dust collection cover, installation parts are arranged at the two ends of the machine shell, one side of the machine shell is detachably connected with the dust collection cover, the motor is fixed to the other side of the machine shell, the dust collection cover and the machine shell are combined to form a dust collection bin, hooks are arranged on the two sides of the outer portion of the dust collection bin, and a connecting hole is further formed in the machine shell. A motor shaft of the motor is arranged in the dust collecting bin through the connecting hole, the saw blade is installed in the dust collecting bin and connected with the motor shaft of the motor, and the whole machine is light in weight, small in size, convenient to carry and transfer and diversified in application scene. Sawdust falls into the dust collection bag, and the dust collection effect is good; due to the direct-drive design, the production and maintenance cost is reduced; the dust collection cover is detachable, so that the saw blade is convenient to disassemble and replace; the motor needs to be started through a key switch, misoperation can be prevented, and safety is guaranteed; the contactor can rapidly cut off the power supply when the circuit is abnormal, and the soft starter can smoothly accelerate in the motor to protect the equipment and personal safety.

1. Name of the product in this design: Keyboard key hinge. 2. Purpose of this design: For use as a key switch on a keyboard. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.

This invention discloses a mechanical key switch control structure for a smart lock on a glass door, relating to the field of smart lock technology. It includes: a key mechanism comprising a key body with physical teeth and an electronic identity carrier disposed within it; and a mechanical key switch mechanism coupled to the key mechanism. The entire structure utilizes a multi-stage transmission stroke structure composed of a key core, a synchronous gear, a U-shaped gear, and a stroke gear to sequentially convert a single rotation of the key body into a first stroke signal, a second stroke signal, and a third stroke signal, forming multi-dimensional mechanical motion characteristic data. Simultaneously, a control component is coaxially mounted on the side end of the stroke gear. This control component ensures smooth transmission through the smooth working area of ​​the asymmetrical cam during normal key rotation, and triggers the mechanical self-locking of the ratchet and pawl components through a steep limiting area during forced entry or abnormal rotation, achieving a dual protection function of normal passage and abnormal blocking.

This utility model discloses a piano key switch and its control circuit, relating to the field of piano key switch technology. It solves the technical problem that current piano key switch control circuits require an additional switch to disconnect the mains power from the circuit board, leading to complex circuit design and high cost. The piano key switch includes multiple key components; each key component includes a key rod, an insulating block, a first stationary contact, a second stationary contact, a first moving contact, and a second moving contact; the key rod is movably connected above the insulating block; the first and second moving contacts are respectively disposed on opposite sides of the insulating block; the first stationary contact is disposed on the other side of the first moving contact; the second stationary contact is disposed on the other side of the second moving contact; the insulating block is used to push the first and second moving contacts laterally, so that the first moving contact contacts contact the first stationary contact, and the second moving contact contacts the second stationary contact. The switch and circuit provided by this utility model have a simple structure and low cost.

The utility model relates to the technical field of keyboard keys, in particular to a key switch which comprises a shell and a hollow structure, and a through hole is formed in the top end of the shell. The key is arranged in the shell, and part of the key protrudes along the through hole; the magnetic part is abutted against and fixed with the bottom of the key, and the magnetic part is completely arranged in the shell; and the key moves up and down along the height direction of the key to drive the magnetic piece to move up and down. According to the utility model, the problem that the sensitivity and the accuracy of the electromagnetic shaft key switch are affected by the shaking of the magnet caused by the deviation force in the horizontal direction in the pressing process of the existing electromagnetic shaft key switch is solved.

The utility model relates to the key switch field, and discloses a hand-held dust collector key switch comprising a bottom shell, an upper cover fixed on the bottom shell, a current-conducting plate sliding in the upper cover, a moving sleeve sliding on the current-conducting plate, a first spring fixed in the moving sleeve, a second spring fixed on the outer side of the moving sleeve, one side of the current-conducting plate fixedly connected with one end of the second spring, and the other side of the current-conducting plate fixedly connected with the other end of the second spring. A button is arranged on the upper cover in a sliding mode, a moving block is arranged at the end of the button in a sliding mode, the moving block is located above the conductive plate, the second spring is fixed in the moving block, and the moving sleeve is connected with the moving block in a sliding mode. According to the utility model, the direct-acting button is used for control, the button slides on the upper cover, the operation smoothness is high, the condition that the button is stuck is avoided, the two springs are designed in the switch, the button is supported by the second spring to reset, the conductive plate is ensured to reset by the first spring, the problem of insufficient elasticity of a single spring is avoided, the accuracy of opening and closing of the switch is improved, and the service life of the switch is prolonged. And the size of the switch is optimized.

The utility model discloses a light guide button switch and keyboard, wherein, a light guide button switch includes the casing, and the casing is equipped with at least two light guides, and the light guide can guide the irradiation light received from the bottom of the casing to the top of the casing. Through the above structure, the light guide button switch of the scheme sets at least two light guides in the casing, on the one hand, can more comprehensively receive the irradiation light from the bottom of the casing, makes the light ray coverage range more widely guided to the top, effectively reduces or avoids the problem of local light spot, insufficient light intensity of single light guide, significantly improves the uniformity of light ray distribution on the top of light guide button switch, on the other hand, at least two light guides can independently or combined light guide, provides structural support for realizing diversified light effect (such as gradual change light effect, multicolor superimposed light effect etc.

The application discloses a single-key switching mechanism and a water outlet device, which comprises a water channel body and a switching assembly, wherein the switching assembly is installed on the water channel body; the switching assembly comprises a driving key and a swing piece, the swing piece is connected with a movable assembly and can rotate around the movable assembly, and the movable assembly moves back and forth along the water channel body under the driving of the swing piece; the driving key is provided with two driving surfaces which are staggered, the swing piece is provided with two driven surfaces, and the two driving surfaces and the two driven surfaces form two groups of driving relationships one by one, and the two groups of driving relationships are transformed under the rotation of the swing piece. The water outlet device can realize single-key switching and automatic switching to the default water type, is convenient to use, and has better experience.

A keyboard key (1) comprising: - a base (2), - a plurality of light means (3) fixed to the base (2), - at least two light guides (4) fixed to the base (2) and configured to guide the light beam from the light means (3) to an external surface of the key (1), - a body (5) fixed to the base (2) and comprising housings (5a) for receiving the light guides (4), - a button (10) comprising an outer wall (11), a sealing membrane (12) integral with the outer wall (11), and a sliding member (13) on which the sealing membrane (12) is mounted and which is movable in translation within the body (5), and - a key switching member (7) integral with the base (2) and configured to be in contact with the sliding member (13) in a key (1) actuation position. Figure for the abbreviation: [Fig 2]