595 results about "Potentiometer" patented technology

The invention discloses a 3D (three-dimensional) rocker potentiometer assembling machine. The 3D rocker potentiometer assembling machine comprises a stander, wherein the stander is provided with a rotatable transporting tray, and the rotatable transporting tray is provided with a plurality of storage grooves for storing rocker assemblies; a mechanical hand mechanism and a rocker assembly transporting mechanism, corresponding to the storage grooves, are arranged on the surface of the stander and the periphery of the rotatable transporting tray, the stander is also provided with a controller which is connected with the rotatable transporting tray, the mechanical hand mechanism and the rocker assembly transporting mechanism, and the controller is connected with an electric control system below the stander. By adopting the 3D rocker potentiometer assembling machine, a 3D rocker potentiometer can be automatically assembled and tested; not only can the production efficiency be greatly improved compared to the manual assembling, but also the labor cost is saved.

The utility model discloses an electronic brake gear adjusting device for a water dripping wheel, which relates to the technical field of fishing gears and comprises a line cup component, a line wheel seat, a magnetic brake component, a cover plate and an adjusting operation unit. The adjusting operation unit comprises a gear adjusting rotating ring, an operation rod and a shifting piece. The gear adjusting rotating ring is rotationally installed on the inner side of the cover plate, and the operating rod penetrates through an arc groove in the cover plate to stretch out. The shifting piece is fixed to the bottom end of the gear adjusting rotating ring and sequentially triggers a plurality of toggle switches on the electric control board along with rotation of the rotating ring. According to the utility model, a discrete triggering mode that the mechanical swivel is combined with the toggle switch is adopted, traditional potentiometer adjustment is replaced, the problem of reliability caused by potentiometer abrasion is solved, meanwhile, clear gear feedback and operation hand feeling are provided for a user, and the device has the advantages of being simple in structure, long in service life and visual in operation.

The utility model relates to a rear-phase-cut single-live-wire type wall light modulator, which comprises an MOS (Metal Oxide Semiconductor) tube switch loop unit, a singlechip control unit and a direct-current power supply unit, the MOS tube switch loop unit comprises a wiring terminal J2 connected with an MOS tube Q1, a grid electrode of the MOS tube Q1 is connected with four resistors in series in sequence and then is connected with an MOS tube Q2, a drain electrode of the MOS tube Q2 is connected with a diode D2, the diode D2 is connected with a diode D1, a fixed end contact of a single-pole double-throw switch is connected with the MOS tube Q2, and two movable end contacts of the single-pole double-throw switch are connected with the wiring terminal J1 and the wiring terminal J3 respectively; the direct-current power supply unit comprises an alternating-current voltage waveform acquisition circuit, a direct-current voltage drop circuit, an overcurrent protection circuit and a filtering voltage stabilizing circuit; according to the single-chip microcomputer control unit, a linear sliding potentiometer is connected with the PC2 end of a single-chip microcomputer after being connected with a resistor in series, the linear sliding potentiometer and a rotary potentiometer are sequentially connected between the output end of the direct-current power supply unit and the ground in series, a triode Q6 is connected with a triode Q5 and then connected with the collector electrode of a triode Q7, and the base electrode of the triode Q7 is connected with the PA6 end of the single-chip microcomputer after being connected with a resistor in series.

The flushing valve comprises a valve body and a pressure sensing assembly, the valve body is provided with a water inlet end, a water outlet end and a water passing cavity communicated with the water inlet end and the water outlet end, one side of the valve body is provided with a pressure sensing channel, the pressure sensing channel is communicated with the water passing cavity, and the pressure sensing assembly comprises a piston rod, an elastic piece and a potentiometer. The piston rod is arranged in the pressure sensing channel and arranged in the axial direction of the pressure sensing channel, the elastic piece provides axial elastic force for the piston rod, the direction of the elastic force is opposite to the water inlet direction of the pressure sensing channel, a movable contact of the potentiometer is connected with the piston rod, and water pressure in the pressure sensing channel can drive the piston rod to overcome the elastic force to push the movable contact. Water enters the pressure sensing channel and pushes the piston rod, the piston rod compresses the spring and pushes the potentiometer, the resistance voltage of the potentiometer generates related changes, and water pressure detection is achieved.

A sliding cover for a liquid delivery device, such as a cap (100) for a pen injector (200), incorporates a set of sensors including an optical sensor (110) with an output which changes during uncapping or capping motions on passing of a plunger (220) of the pen injector. This output is used together with a position sensor (120) to determine the position of the plunger along a cylinder (210) of the liquid delivery device. By monitoring changes in the plunger position, the quantity of dosages delivered by the liquid delivery device can be determined, displayed, stored and / or transmitted to an external device for further data processing or storage. Preferred implementations of the invention employ optical sensors with a converging beam (115), and / or position sensors employing linear potentiometer strips (132).

The invention provides a copper-nickel-tin alloy strip and a preparation method thereof, and relates to the technical field of copper alloys. The copper-nickel-tin alloy strip provided by the invention comprises the following components in percentage by mass: 8.5%-10% of Ni, 1.5%-3% of Sn, 0.5%-1.5% of Al, 0.3%-0.6% of Si, 0.19%-0.21% of Cr, 0.05%-0.30% of Mn and the balance of Cu. The tensile strength of the copper-nickel-tin alloy strip ranges from 580 MPa to 770 MPa, the percentage elongation after fracture A50 is larger than or equal to 8%, the hardness ranges from 170 HV to 240 HV, the electric conductivity is larger than or equal to 10% IACS, and the grain size is smaller than or equal to 0.015 mm. And the material can be stably applied to elastic sensitive elements of electronic industrial relays, potentiometers, switches, connectors, lead frames, control and instrument sensors and the like.

The utility model relates to the technical field of motor speed regulation, in particular to a direct current motor speed regulation circuit. The speed regulation circuit comprises an input connector CON1 used for accessing a DC input voltage; the output connector CON2 is used for connecting a direct current motor; the step-down chip ME3148 is used for converting the direct-current input voltage into adjustable output voltage, and the step-down chip comprises a VI N pin 8, an SW pin 2, an FB pin 4, a VC pin 7, a CS pin 5 and a GND pin 3. The direct-current motor speed regulation control circuit is simple in structure, can realize wide-range and high-precision speed regulation control only by adjusting a single potentiometer, has the characteristics of low cost and high reliability while ensuring the speed regulation performance, and is suitable for direct-current motor control scenes with higher requirements on speed regulation range and precision.

The application discloses a marine aluminum alloy plate oil immersion corrosion test method and device and a sample. A 50mm*50mm*4mm sample is processed on a marine aluminum alloy plate, and after surface treatment, the sample is placed in a special oil solution with a special ratio. Different test immersion periods are set. In the test process, a potentiometer is used to collect the potential change of the test sample. After the test, the average corrosion rate of the sample is calculated by the weight loss method, and the sample surface corrosion pit depth information is measured by a microscopic method, so that the corrosion evaluation of the marine aluminum alloy plate in the oil environment is realized. The application provides an evaluation method for the corrosion of the aluminum ship alloy plate in the oil environment. The method has high practical utility, is simple to operate, and can be popularized and used in the industry.

This utility model discloses a simulation device for testing the functional interface circuits of a simulating mobility scooter. It includes a controller with various functional interfaces, a plastic housing for testing the simulation interfaces, and a circuit board for interface simulation control connectors. A power enable switch, a simulated manual brake switch, an electromagnetic brake switch, a speed switching mode switch, a speed control potentiometer, an adjustable resistor mounting position, a horn, a working status indicator light, and CAN converter connector terminals are all electrically connected to the interface simulation control connector circuit board. The controller connector terminals are electrically connected to the controller with its various functional interfaces via an adapter cable. The working status indicator light is used to detect and indicate whether the operation is normal. This device simplifies and reduces the cost of testing the controller's functional interfaces and allows for simulated monitoring of the lifespan of the simulating mobility scooter's functions after functional testing.

The utility model relates to the technical field of electronic circuits, in particular to a magnetic clamp control circuit and imaging detection aperture equipment, the magnetic clamp control circuit comprises a power supply circuit unit, a control circuit unit and a load circuit unit, the power supply circuit unit comprises a first switch, a switching power supply and a DC-DC voltage reduction module, the control circuit unit comprises an adjustable potentiometer and a knob switch, and the load circuit unit comprises a magnetic coil. According to the magnetic clamp control circuit of the utility model, through reasonable power supply conversion, voltage regulation and control design, the reliability and economical efficiency of imaging detection aperture equipment are effectively improved.

1. Name of the designed product: potentiometer (concave type). 2. Use of the designed product: potentiometer for adjusting tone, light, voltage and current. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The invention discloses a molten salt energy storage device and method based on nitrate, and the device comprises a plurality of resistors, a plurality of MOS tubes, a plurality of operational amplifiers, a plurality of diodes, a triode, a capacitor, a solid-state relay, a potentiometer, and a counter. The output end of an operational amplifier U7 in the plurality of operational amplifiers is connected with five pins of the potentiometer U2, and the anti-phase end inputs a temperature parameter signal IN1; the in-phase end is connected with eight pins of the potentiometer U2 and one end of the resistor R5; the six pins of the potentiometer U2 are connected with one end of a resistor R16 and the drain electrode of a PMOS tube Q2; the grid electrode of the PMOS transistor Q2 is connected with the output end of the operational amplifier U8, and the source electrode is connected with a power supply and meets the positive voltage requirement; the inverting end of the operational amplifier U8 is connected with a reference signal, and the in-phase end of the operational amplifier U8 is connected with the grid electrode of the NMOS tube Q1, one end of the resistor R4 and the collector electrode of the NMOS tube Q1; a base electrode of the triode U1 is connected with one end of the resistor R6; the drain electrode of the NMOS tube Q1 is connected with the other end of the resistor R6, one end of a resistor R7 and four pins of the solid-state relay U3; the other end of the resistor R7 is connected with one end of the capacitor C1.

The invention relates to the technical field of potentiometers, and particularly discloses a 3D rocker potentiometer, the top end of a shell is provided with a movable hole, the shell is buckled and connected to a supporting piece to form a mounting cavity, an upper rocker arm and a lower rocker arm are rotatably connected to the inner wall of the mounting cavity, and one end of a rocker penetrates through the upper rocker arm and extends out of the movable hole; the first sliding block is installed on one side of the lower rocker arm, the first brush is fixedly connected to the first sliding block, the second sliding block is installed on one side of the upper rocker arm, the second brush is fixedly connected to the second sliding block, a carbon film layer and a plurality of terminals are arranged on the carbon plate, and the terminals are all connected with the carbon film layer. The carbon plate is provided with the plurality of positioning holes, the plurality of terminals and the plurality of positioning holes are arranged in a one-to-one correspondence and penetrating mode, accurate positioning is achieved by additionally arranging the plurality of positioning holes in the carbon plate, the position accuracy of a carbon film in the printing and finished product assembling process is ensured, the overall quality of a product can be improved, and the output accuracy is remarkably improved.

The invention discloses an oil-immersed transformer winding temperature controller verification device, method, equipment and medium, and relates to the technical field of electrical equipment testing, the device comprises an intelligent current source module, a signal acquisition module, a central processing module and a man-machine interaction module; a programmable alternating current signal is generated through the intelligent current source module, and the dynamic load working condition of the transformer from no load to full load can be continuously simulated, so that a winding temperature rise curve is completely reproduced, and the defect that a traditional fixed point test cannot detect a nonlinear temperature rise error is overcome; a signal acquisition module is used for synchronously acquiring the current of a heating resistor, a 4-20mA temperature signal and the state of a microswitch, and dynamic current control and a temperature-current correlation analysis algorithm of a central processing module are combined; the automatic and accurate measurement and judgment of the temperature controller potentiometer calibration precision, the winding temperature indicating value error and the microswitch operating value are realized.

A miniaturized steering engine relates to the technical field of steering engines, and adopts the technical scheme that the miniaturized steering engine comprises a shell, a motor, an output shaft and a potentiometer, the output shaft is in transmission connection with the motor through a speed reducer, the potentiometer is connected with the output shaft, and the potentiometer comprises a rotating shaft, an electric brush sheet and a bottom plate; one end of the rotating shaft is in transmission connection with the output shaft, and the other end is provided with a plurality of fixing columns; the electric brush sheet comprises a connecting part, a first elastic contact and a second elastic contact; the base plate is provided with a resistor disc corresponding to the first elastic contact and a grounding electrode corresponding to the second elastic contact, the first elastic contact is electrically connected with the resistor disc, and the second elastic contact is electrically connected with the first elastic contact and the grounding electrode. The rotating shaft is directly connected with the output shaft, the connection mode of the rotating shaft and the bottom plate is improved, the overall size can be reduced, and the structures of the electric brush pieces and the bottom plate are improved.

The application relates to a winding box for a crane, belonging to the technical field of crane accessories, which comprises a shell with a first inner cavity and a second inner cavity; a rotating drum assembly is arranged in the first inner cavity and is used for winding up or unwinding a traction line; a transmission shaft is arranged at the communication part of the first inner cavity and the second inner cavity, one end of the transmission shaft is connected to the rotating drum assembly, and the other end of the transmission shaft penetrates into the second inner cavity; a skeleton oil seal sleeve is arranged outside the transmission shaft and at the communication part of the first inner cavity and the second inner cavity; a first gear is arranged at the end of the transmission shaft and in the second inner cavity; a gear transmission assembly is arranged in the second inner cavity and has an input end meshing with the first gear; a multi-turn potentiometer is connected to the gear transmission assembly; and an electric slip ring is arranged outside the transmission shaft and is electrically connected to the multi-turn potentiometer. The winding box has the effects of compact structure, small space occupation, linkage with a winding measurement device, improved production efficiency, a waterproof grade of IP67 or above and the like.

The application provides a speed matching debugging device and method for a drive of a fire control system and a motor, the debugging device comprises a socket XS, a box body, and a debugging assembly arranged in the box body, the drive is connected with the socket XS through a cable, and the drive is connected with a servo motor through an armature cable and a feedback cable; the debugging assembly comprises a speed setting switch K1, a drive enable switch K2, a pulse enable switch K3, a double-pole double-throw switch K4, a speed adjusting potentiometer RP1, a first speed setting voltage test interface K5, and a second speed setting voltage test interface K6. The debugging device designed in the application matches the rotation speed of the drive and the servo motor by simulating corresponding control signals of an upper computer, controls the drive to be powered on and operated through the drive enable switch K2 and the pulse enable switch K3, matches the rotation speed of the drive and the servo motor by adjusting the speed adjusting potentiometer RP1, meets the use requirement, and simultaneously provides a detection and debugging means for subsequent maintenance of the drive and the servo motor.

Systems, methods, and apparatus including a downhole membrane potentiometer that may be used in well systems. The downhole membrane potentiometer may include a first circuit film having a resistance trace, a second circuit film having a collector trace, and an insulator spacer coupled between the first circuit film and the second circuit film. The insulator spacer may include one or more pressure vent holes in a first side of the insulator spacer and one or more pressure vent holes in a second side of the insulator spacer to minimize a differential pressure between the inside and outside of the downhole membrane potentiometer.

The utility model relates to the technical field of potentiometer assembling equipment, in particular to a shell oiling and shaping mechanism for a non-linear sliding type potentiometer. Comprising a fixed plate, a first movable plate horizontally and slidably arranged on the fixed plate through a first linear driving part and a second movable plate vertically and slidably arranged on the first movable plate through a second linear driving part, an oil injection head is installed on the second movable plate, and an oil pump communicated with the interior of the oil injection head is installed on the oil injection head; the bottom end of the oil injection head is provided with a plugging end matched with the inner cavity of the potentiometer shell, and the bottom end of the plugging end is provided with a plurality of oil injection holes communicated with the interior of the oil injection head in a penetrating manner, so that during working, the plugging end of the oil injection head is inserted into the potentiometer shell for oiling and shaping at the same time, and the operation is simple and efficient; and the push handle can conveniently slide in the potentiometer shell during use.

This utility model discloses a band saw with a tension display device, including a sliding potentiometer. One end of the sliding potentiometer is electrically connected to a digital display screen. A threaded plate is slidably connected to the bottom of the sliding potentiometer, and a potentiometer bracket is fixedly connected to the upper end of the threaded plate. A slider is slidably connected to the top of the sliding potentiometer. An upper wheel shaft is fixedly installed at the center end of one side of the slider, and a hanging plate is fixedly connected to one side of the slider. A groove is opened on the surface of the hanging plate. The band saw with the tension display device of this utility model can control the tension of the saw blade through the rebound force of the spring, thus better controlling the tension of the saw blade. At the same time, the potentiometer push rod can move with the hanging plate through the groove, and the value on the digital display screen changes accordingly. The tension value is displayed in real time by adjusting the position of the upper wheel, making the adjustment more accurate and convenient for customer operation.

1. The name of the design product: standard cell. 2. The use of the design product: standard cell is a kind of electromotive force standard device, which can save and transfer electromotive force standard. It can be used as a reference standard of potentiometer or for calibration of digital voltmeter. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The utility model discloses a control device and a dynamic aircraft amusement machine, the control device comprises a control handle and a plurality of sensing mechanisms, the plurality of sensing mechanisms are installed on the control handle; any sensing mechanism comprises a mounting shell, a plurality of extension springs and a potentiometer, the extension springs and the potentiometers are arranged in the mounting shell, and the mounting shell is connected with the control handle based on the extension springs; the potentiometer is driven by the control handle to move, and the control handle is driven by the extension springs to reset. According to the utility model, a plurality of extension springs are arranged in the induction mechanism in the control device, and the extension springs apply acting forces from a plurality of different directions, so that the situation that one extension spring is seriously stressed to be damaged and cannot be used is avoided, and the service life of the control device is favorably prolonged.

This invention discloses a forklift fork descent control method. The method includes the following steps: monitoring the output signal C1 of the descent switch, the output signal C2 of the lifting / descent handle potentiometer, and the fork lifting height signal C3; and determining four descent types based on the fork's position (high or low) and the user's desired rapid or slow descent: rapid descent from high position, slow descent from high position, rapid descent from low position, and slow descent from low position. The method determines the user-selected descent type based on the monitored return values. Simultaneously, the controller precisely controls the closing speed of the descent proportional solenoid valve according to the different descent control methods corresponding to each type. This prevents the forks loaded with goods from stopping rapidly, causing the mast and the entire vehicle to shake, affecting overall vehicle safety, and also prevents the forks from failing to stop at the accurate position, thus impacting operational efficiency.

Polymer electrolysis membrane (PEM) or alkali electrolyzers are provided. The PEM or alkali electrolyzers have a compact structure that produces high-purity hydrogen and a device and method for increasing the hydrogen production efficiency of these devices. An electrolyzer control circuit includes: an electrolysis cell, a mosfet, a square wave oscillator integration, a potentiometer, a mosfet driver integration, a first resistance, a second resistance, a first adjustable direct current power supply, a second adjustable direct current power supply, and an oscilloscope.

An electric glue gun comprises a glue gun main shell and a circuit board, the circuit board is located in a battery installation part at the lowermost end of the glue gun main shell, a handle is provided with a control switch, and a control module, a drive circuit module, a power management module, a signal receiving module and a potentiometer are integrated on the circuit board. The driving circuit module, the power management module and the signal receiving module are electrically connected with the control module, the potentiometer and the control switch are electrically connected with the control module through the signal receiving module, and one side of the potentiometer exceeds the edge of the circuit board and is exposed out of the battery mounting part; the potentiometer sends out a gear signal, the control switch sends out a switching signal, the signal receiving module receives the gear signal and the switching signal and sends out a control signal, and the control module receives and processes the control signal and sends out a corresponding driving signal to the driving circuit module. By means of the arrangement, the circuit board structure of the electric glue gun is compact in layout, and the overall space utilization rate is increased.

The utility model provides a press rod button device, comprising a button which is provided with a column; the 3D potentiometer is provided with a rocking handle matched with the key column to work, and the lower end of the column abuts against the rocking handle; the main control board is electrically connected with the 3D potentiometer and is provided with an IC (Integrated Circuit) which can respond through the change of a coding numerical value of the 3D potentiometer; the elastic piece is arranged below the key and is used for rebounding the key to the original height; when the key is pressed down, the key column abuts against a rocking handle of the 3D potentiometer, and then the state of the 3D potentiometer is changed, so that an IC on the main control board controls action parameters of external equipment according to the change of the state. According to the press rod key device provided by the utility model, through technical innovation and structural optimization, a product solution which is higher in precision, longer in service life and better in experience is brought to a user, and meanwhile, a more competitive product design choice is also provided for a manufacturer.

The utility model relates to the technical field of sensors, and provides an impact-resistant current sensor shell which comprises a lower shell, and the top of the lower shell is movably provided with an upper shell through a hinge. According to the utility model, the potentiometer is protected through the protection plate and the protection frame, so that the protection plate and the protection frame are subjected to an acting force towards the direction of the potentiometer, the collision force borne by the protection plate and the protection frame can be buffered under the reset acting force of the spring II, and the potentiometer can be operated by rotating the protection plate upwards; when the current sensor is in use, a protection plate is loosened, and the protection plate rotates downwards and is clamped into a clamping groove under the reset acting force of a third spring, so that the potentiometer of the lower shell can be prevented from being collided, impacted and damaged, the normal use of the current sensor is ensured, and the service life of the current sensor is prolonged; and the potentiometer can be conveniently operated by a user.

The invention relates to a model for representing a cell module for an electrical energy storage device with a number of individual cells electrically connected in parallel by means of a cell contacting unit. According to the invention, each individual cell of the cell module is designed as a potentiometer (1) with an adjustable electrical resistance, wherein each potentiometer (1) has a cell housing (1.1) with electrically insulated electrical poles (P1, P2) arranged on a cell cover (1.2), wherein one electrical pole (P1) is formed by means of a threaded sleeve (2) rotatably mounted about its longitudinal axis, one end of which is electrically insulated from the cell cover (1.2).2) protrudes, a further electrical pole (P2) is formed by means of an electrically conductive conductor track (4) and a sliding contact (3) can be positioned by rotating the threaded sleeve (2) along the conductor track (4) and thus a running length of the conductor track (4) is specified or can be specified for setting an electrical resistance value.

The present application relates to the technical field of additive manufacturing, and particularly relates to a self-compensation printing head and method, an extrusion direct writing device and a working method. The printing head comprises a shell, a barrel, a screw and a self-compensation assembly; the lower part of the shell has a cavity, the barrel is rotatably installed in the cavity, and the screw is installed in the barrel for extruding material; the self-compensation assembly comprises an outer magnetic pole, an inner magnetic pole and a potentiometer, the outer magnetic pole is arranged on the inner wall of the cavity of the shell, the inner magnetic pole is arranged on the outer wall of the barrel and is arranged in the same polarity opposite to the outer magnetic pole, and the potentiometer is also installed on the barrel; the magnetic force of the outer magnetic pole and the inner magnetic pole makes the barrel at an initial angle, and when the material shear force increases, the magnetic force is overcome to drive the barrel and the potentiometer to rotate. According to the present application, the screw rotating speed can be automatically adjusted in real time according to the change of the material shear force, the stable control of the extrusion amount of different materials is realized, and the precision, quality and efficiency of multi-material direct writing forming are improved.