60results about How to "Less prone to malfunction" patented technology

This invention provides a small polar electromagnet device of small power consumption. Provided is a polar electromagnet device in which a drive shaft (61) is supported so as to reciprocate in an axis center direction at a center hole (31c) of a spool (31) wound with a coil (32), a movable iron core (42) is attached to a lower end of the drive shaft (61) on the same axis center, and the drive shaft (61) is reciprocated with the movable iron core (42) which reciprocates based on excitation and demagnetization of the coil. A permanent magnet (45) is integrally arranged at the movable iron core (42) on the same axis center.

A switching circuit for preventing malfunction of a switching device formed of a wide band-gap semiconductor used for switching a high-power main power supply includes a normally-off type FET having a gate electrode, a source electrode connected to the ground, and a drain electrode connected to a power supply potential Vdd, and a normally-on type FET having drain and source electrodes connected to the gate and source electrodes of the FET, respectively, and a gate electrode. In the absence of any power supply, the normally-on type FET turns on. As a result, the gate / source potential of FET attains to 0V, and FET is kept off.

A combined brake-acceleration pedal for car features that the stroke of said pedal is divided into braking segment, short isolating segment and accelerating segment. The magnetic attraction of fixed magnetic ring to armature disk is trasnferred via push rod to the piston of braking pump for braking the car. The armature disk connected to a pull string of throttle and said pedal arm can synchronously rotate around a fixing axle.

The invention relates to the technical field of circuits, in particular to a constant current circuit. The current adjustable constant current circuit comprises a constant current output circuit, a power supply module for supplying power and a control module provided with a control signal output end, the control module is connected with a voltage regulation unit through the control signal output end, a signal output end of the voltage regulation unit is connected with a signal processing module, and the signal processing module receives adjusting signals of the voltage regulation unit and outputs the adjusting signals to the constant current output circuit after analysis processing to achieve the regulation of the output current of the constant current output circuit. According to the constant current circuit, a current adjustment circuit is added on the basis of the existing circuit to obtain the current adjustable constant current circuit which is stable and not easy to produce malfunctions.

The invention relates to an outdoor permanent magnetic intelligent vacuum breaker. A zero sequence current transformer, a phase current transformer, a line voltage transformer, a filtering circuit, a power supply management circuit, a charging unit, a capacitive circuit, a photoelectric isolation circuit, a photocoupling isolation circuit, a storage unit, a watchdog circuit, a system unit circuit, a clock circuit, transistor-transistor logic (TTL) communication, a fault state alarm, a data line of an input keyboard, a liquid crystal display (LCD) and a light-emitting diode (LED) display are respectively connected onto a single-chip microcomputer. General packet radio service (GPRS) communication is connected with the TTL communication. The capacitive circuit and the photocoupling isolation circuit are connected with a driving and counter emf absorbing unit and a circuit of a permanent magnetic driver. A permanent magnetic driving circuit is provided with an in-place detecting circuit and an in-place indicator. A communication circuit is connected with the photocoupling isolation circuit, and a remote controller circuit below a column is further connected with the photocoupling isolation circuit. The outdoor permanent magnetic intelligent vacuum breaker has the advantages of being simple to operate and safe and reliable and is suitable for being used for outdoor vacuum breaker remote control operation.

The invention relates to a wheeled mouse, comprising a first wheel, a second wheel, a first encoder which is arranged inside the first wheel and used for generating a first rotation signal according to the rotation of the first wheel; a second encoder which is arranged inside the second wheel and used for generating a second rotation signal according to the rotation of the second wheel; and a control unit which is connected to the first encoder and the second encoder and executes different functions of the wheels according to the rotation signals, wherein when the first rotation signal is generated, the control unit executes a first function action; when the second rotation signal is generated, the control unit executes a second function action; and when the first rotation signal and the second rotation signal are generated simultaneously, the control unit executes a third function action. The wheeled mouse according to the invention can provide users with more hotkey functions without the additional high cost of another mold opening.

The invention relates to the field of part machining equipment, and discloses a bolt installing device. The bolt installing device comprises a machine frame, wherein the machine frame is slidably connected with a placing plate for placing a shell, a bolt mounting assembly used for driving a bolt to be embedded into the shell is arranged on the machine frame, and the machine frame is provided witha placing device which is used for driving the bolt to be arranged on the shell; the placing device comprises a feeding assembly used for providing the bolt, a mechanical arm is used for positioning the delivery position of the bolt, and a conveying assembly used for conveying the bolt to the bolt hole. The bolt installing device has the following advantages and effects that a novel mechanical structure is utilized, the mounting assembly and the placing assembly are arranged, workers only need to perform inspection steps, and other steps can be completed through equipment, so that the labor amount of the workers is reduced, and the probability of assembling errors is reduced.

Provided is an adhesive trapping device having a high trapping rate of small animals such as mice and the like and hardly generating malfunction and failure in action. The adhesive trapping device 1 has an adhesive layer 13 on the upper surface of a base board 12 which can be folded in half. Elastomer engaging units 10a, 10b are installed on the left face 15 and the right face 16 of the lower side 12a of the base board 12 and elastomer engaging units 10c, 10d are installed to the left face 15 and the right face 16 of the upper side 12b. The elastomer engaging unit 10a and the elastomer engaging unit 10b are connected with an elastomer 9a which passes outside of intersections X and Y on the lower side 12a. The elastomer engaging unit 10c and the elastomer engaging unit 10d are connected with an elastomer 9b which passes outside of intersections Z and W on the upper side 12b.

The invention provides a satellite wave beam center estimation method for a communication-in-moving system. According to the method, appropriate filtering processing is carried out on beacon signals obtained through sampling, an antenna is made to pass through the center position of a satellite wave beam through simple scanning motions, the scanning angles, the angular rates and the signal intensity data of all points are collected in the scanning process, and finally the scanned wave beam center position is calculated accurately by using a first order statistical moment. The satellite wave beam center estimation method for communication-in-moving system solves the problems that a satellite wave beam center scanning and calculating method of the communication-in-moving system of the prior art is easy to be interfered by noise, not high in precision, complex in control process and the like. The satellite wave beam center estimation method for communication-in-moving system can estimate the satellite wave beam center position accurately on satellite signals of different beam widths under noise interference, and has the advantages of being simple in scanning motion control, small in calculated amount, high in precision and the like.

The invention relates to a special conduit sheet type weft finder for a jet loom, which consists of a weft finder shell, a shell cover plate, a photoelectric tube, a photoelectric tube connecting line, a control circuit board and a cable conductor. The photoelectric tube, the control circuit board, the connecting line and so on are hermetically arranged inside the shell the shape of which is the same with that of a conduit sheet, and an inner circular surface of an 'O'-shaped gas channel of the shell is utilized for light reflection, so that the special conduit sheet type weft finder for the jet loom has short reflection path, and is difficult to be interfered, accurate to position and difficult to generate misoperation; and the 'O'-shaped gas channel of the shell of the conduit sheet type weft finder simultaneously has the functions of extending an auxiliary spraying gas channel and improving the flow convergence, so that the special conduit sheet type weft finder for the jet loom is favorable for smooth flying of weft yarns, reduces looped wefts, and improves the product quality of textile fabrics.

The invention relates to brake rope drop resisting device. The invention uses a buffer made up of drum, shaft sleeve, bearing, shaft, friction plate, external brake plate, internal brake plate, rope pressing block, force regulating plate, force regulating nut, disc spring, and connector made up of three pairs of wedges, wedge back, rolling bar, clamping board, clip. The buffer rope on the buffer is connected to the brake rope through the connector, the capturing mechanism on the elevating container is driven with pressure spring with adjustable pressure, the connector uses wedge self locking mechanism with rolling friction to clamp the buffer rope and brake rope, the capturing mechanism uses the wedge self locking theory to capture the brake rope, the brake force is stable and easy to be regulated. The structure is simple, convenient, and light.

The invention relates to the technical field of circuits, and in particular relates to a temperature protection circuit and method. The temperature protection method comprises the following steps of: step one, providing a direct current power supply by a power supply module; step two, detecting the temperature of a detected unit by a temperature detection module, and outputting electrical signals to an intelligent control module; step three, analyzing the electrical signals output by the temperature detection module by the intelligent control module in accordance with a temperature limit value or adjustment rules in a fault mode static state database or dynamic database with a self-directed learning mode, and outputting the electrical signals to a driving protection circuit; and step four, outputting corresponding electrical signals to the detected unit by the driving protection circuit, so that the detected unit can adjust the working state. According to the invention, error actions are difficult to occur, the operation is stable, different temperature change phenomena can be differentiated, reasonable and effective protection measures are took, the stable operation of the system can be ensured, and the system expansion can be realized conveniently.

A thickness detection device of metallurgical furnace lining is prepared as connecting one end of rectifier bridge outputting low DC voltage directly to induction coil through choke inductance and another end to electrode at furnace bottom through resistance. It features that alarm signal can be launched out by alarm circuit according to positive voltage outputted by comparator when furnace lining low resistance is caused by lining pinchout or by metal liquid leakage to make big voltage drop on resistance and if said voltage drop exceeds set voltage on comparator.

The invention discloses a closestool flushing accessory; a water outlet control device is provided with a water inlet channel, a first water outlet channel, a second water outlet channel and a third water outlet channel are each provided with a control mechanism, an outlet of the third water outlet channel is connected with an inlet of a delayed flushing control device through a pipeline, and thesecond water outlet channel is connected with a drain valve through a pipeline; one action part of the delay flushing control device abuts against the control mechanism at the first water outlet channel, and the other action part of the delay flushing control device abuts against the control mechanism at the second water outlet channel; the control mechanism at the third water outlet channel is controlled to open the third water outlet channel, so that after water in the water inlet channel enters the delayed flushing control device, the two action parts act in sequence to control the first water outlet channel and the second water outlet channel to be opened correspondingly, and water flowing out of the second water outlet channel enters the drain valve to open the drain valve. Mechanicalcontrol over flushing of a closestool with a low-position water tank is achieved, and the use performance is good.

The invention discloses an adjustable glow monitoring system of glow equipment, comprising a photosensitive sensor, a connecting cable and a controller, wherein, the photosensitive sensor is used for monitoring glow intensity, the photosensitive sensor is connected with the controller through the connecting cable and is arranged outside of a glow generating chamber in the glow equipment, and the photosensitive sensor is used for monitoring plasma glow intensity of the glow generating chamber to acquire a monitoring signal which is transmitted to the controller through the connecting cable, corresponding manipulating action is adopted after the monitoring signal is received by the controller. the invention adopts the photosensitive sensor to directly monitor on the glow intensity, has little interference and strong reliability, and can not cause malfunction; the invention directly realizes monitoring on the glow reaction, and then realizes the stable reacting condition, thus avoiding the glow fluctuation caused by the fault of the glow equipment and manual operation failure and ensuring the quality of the solar cell products.

The present invention discloses one kind of switch device with high reliability and the pet door with the switch device. The switch device has one casing, one fixed contacts between two side walls of the casing, one movable contact, one rack on the movable contact, one metal magnetizer in the back sides of the sides and the bottom, and one outer contact operating body. When the outer contact operating body moves over the switch device, the attraction to the magnetizer is released and the movable contact under the action of the magnetic force of the contact operating body oscillates towards the fixed contact around the rack.

The invention relates to a magnetic force self-sustaining electro-magnetic selector of a knitting machine. The electro-magnetic selector is used in the knitting machine. A magnetic core of the electro-magnetic selector is made of high-remanence low-coercive-force magnetic materials, a coil of the magnetic core is connected with a pulse output interface of a control circuit board through a wire, the control circuit board processes knitting needle selection signals input through a data interface to output positive or negative short pulse drive signals from the pulse output interface to the coil of the magnetic core, so that the magnetic core gets into high-magnetic saturation instantly, and an N or S pole strong magnetic field is accordingly generated on the end face and is kept all the time. The magnetic force self-sustaining electro-magnetic selector has the advantages that the structure is reasonable; the maximum operating frequency of a tool bit of the selector can reach more than 200 Hz, and the selector is small in power consumption and low in heating amount when working for a long time; in addition, the selector is stable in work, safe, reliable and environmentally friendly, and energy is saved.

The invention discloses a touch button device. The touch button device includes a panel, a circuit board, a backlight board, a panel support member, and a reinforcing member with an open end and a hollow interior, the panel cover is arranged on the opening end of the reinforcing member, the circuit board and the backlight board stacked inside the reinforcing member, and the circuit board is arranged close to the opening end of the reinforcing member and abuts against the panel, and the panel support member is arranged around the reinforcing member and fixedly connected with the panel . The invention provides a touch key device, which not only can realize the touch function, but also has the advantages of accurate and reliable performance, low possibility of misoperation, and the like.

A thickness detection device of metallurgical furnace lining is prepared as connecting one end of rectifier bridge outputting low DC voltage directly to induction coil through choke inductance and another end to electrode at furnace bottom through resistance. It features that alarm signal can be launched out by alarm circuit according to positive voltage outputted by comparator when furnace lining low resistance is caused by lining pinchout or by metal liquid leakage to make big voltage drop on resistance and if said voltage drop exceeds set voltage on comparator.

The invention provides a microwave wireless toilet bowl controller which comprises an upper cover, a lower cover and an outer wireless controller. A control board is arranged in the upper cover, a microwave sensor and a wireless transceiving board are connected on the control board, a wire penetrating plug is arranged on the upper cover, a direct-current deceleration motor is arranged in the lower cover, a chain is mounted on an output shaft of the direct-current deceleration motor, the output shaft of the outer side of the chain is provided with a rotating wheel, the wireless controller wirelessly controls the control board, the chain is connected onto a water inlet device through a lifting drainage valve, and the lifting drainage valve is connected with a manual button through the chain. According to the microwave wireless toilet bowl controller, water is automatically drained after movement of a hand is sensed in a microwave manner, sensing distance and water outlet time can be adjusted according to the use requirements of users, false sensing and false operation are not easily generated, the controller has wireless controlling and manual water draining functions, a water draining mode of a traditional toilet bowl can be improved, and the toilet bowl controller is more sanitary and environmentally friendly when being used and conveniently used by and old people and children.

The invention relates to a push rod mechanism of a metal die-casting mold. The push rod mechanism comprises a supporting plate, a movable mold plate, a push rod and a die-casting part. The movable mold plate is installed on the supporting plate. Concentric installation holes are formed in the supporting plate and the movable mold plate. The push rod penetrates through the installation holes and makes contact with the bottom end of the die-casting part. One side of the push rod is connected with a plastic guide sleeve layer, and the other side of the push rod is connected with a formed insert. The formed insert is embedded into a main core. The plane, making contact with the die-casting part, of the push rod is provided with a plurality of trapezoid-shaped slots downwards, and a plurality of radiating holes are formed in the outer cylindrical face of the push rod. According to the push rod mechanism, the structure is simple, machining and maintenance are convenient, the push-out actions are safe and reliable, and running faults are not likely to occur; due to the fact that the trapezoid-shaped slots are formed in the upper surface of the push rod, gas at the contact position is effectively exhausted, and the phenomenon that the top end of the push rod and the bottom end of the die-casting part are adhesively connected together due to the pressure effect and cannot achieve rapid outward pushing is avoided; meanwhile, the radiating holes are formed, so that the service life of the push rod is prolonged, and the lubricating effect of the push rod is improved.