34results about How to "Realize automatic compensation function" patented technology

The invention discloses an optimizing method of a self-correcting frequency synthesizer capable of optimizing properties of a voltage-controlled oscillator. The method comprises the following steps that: when a chip is electrified or a channel is changed each time, a frequency self-correcting loop in a synthesizer self-correcting circuit is started firstly, and a frequency sub-wave band code necessary for the voltage-controlled oscillator is searched; secondly a current self-correcting loop in the synthesizer self-correcting circuit is started, and a current sub-wave band code that an output amplitude of the voltage-controlled oscillator achieves an appointed amplitude is searched, so that the voltage-controlled oscillator works in a minimum power consumption, a good phase noise property is obtained, and at the same time the properties of the voltage-controlled oscillator are not changed when process deviation and temperature change occur; after the accomplishment of frequency correction and current correction is judged by a state machine, a synthesizer enters into the frequency self-locking process of a phase-locked loop; and the optimization and correction process is ended. The invention further discloses the self-correcting frequency synthesizer capable of optimizing the properties of the voltage-controlled oscillator. A wider frequency adjustment range can be obtained, and good local oscillator spectrum purity is obtained through small power consumption; and the optimizing method is suitable for the self-correcting frequency synthesizer of a transceiver with low power consumption, multiple modes and multi-band frequency.

The invention discloses a self-compensating servo wiring device for a water tank type wire drawing machine, which comprises a tension testing unit, a wire distributing device and a wire collecting device, wherein the tension testing unit consists a first wire roller, a second wire roller, a tensioning wire roller, an angular displacement sensor, a tension rod and a guide groove; the wire distributing device consists a third wire roller, a synchronous belt, a fourth wire guide roller, a screw nut, a ball screw, a coupler, a wiring servo motor, a fifth wire roller, a wiring base and an end cover; and the wire collecting device consists of a spool and a wire collecting servo motor. The device adopts the tensioning wire roller for testing the tension of a metal wire, has a simple structure and has a metal wire breakage alarming function for giving an alarm in time incase of breakage of the metal wire.

The invention develops a water quality pH value intelligent transfer device for intensive water quality monitoring applications, aiming at the status quo of urgent need of automatic water quality monitoring technique in intensive aquaculture in China. The intelligent transfer device integrates the water quality parameter signal conditioning technique and the transfer technique, and is directly input with signals of water temperature and pH value sensor probes, and is embedded with a high performance microprocessor, the device utilizes the self-calibration technique to realize the pH value automatic temperature compensation function on the basis of signal acquisition of probes, and also adopts an intelligent network interface model described in the IEEE1451 standard to realize the self-diagnosis and plug-and-play functions of an intelligent transmitter. The water quality pH transfer device is advanced to develop towards intelligence, networking and miniaturization, thereby raising the water quality monitoring level of intensive aquaculture.

The invention relates to a digital temperature and humidity detection device. The digital temperature and humidity detection device structurally consists of a temperature induction circuit A, a humidity induction circuit B, a two-way eight-position dial-up switching circuit C, an analog / digital (A / D) conversion circuit D, a reset circuit E, a central processor unit F, a crystal oscillator circuit G, a digital / analog (D / A) conversion circuit I, a loosening device and voltage / current protective circuit H and a temperature and humidity analog quantity output circuit J, wherein the temperature induction circuit A, the humidity induction circuit B, the A / D conversion circuit D, the central processor unit F, the D / A conversion circuit I, the loosening device and voltage / current protective circuit H, and the temperature and humidity analog quantity output circuit J form a main circuit; the two-way eight-position dial-up switching circuit C provides temperature and humidity compensation data during calibration of a temperature and humidity sensor; and the reset circuit E, the crystal oscillator circuit G and the central processor unit F are connected to provide necessary support for the work.

The invention provides a fully-automatic mechanical pencil lead and a fully-automatic pencil with the same. The fully-automatic mechanical pencil lead comprises a sharp sleeve part, a body part and a lead storage part, the sharp sleeve part comprises a sharp sleeve, a movable damping part mounted in the sharp sleeve and a damping spring sleeving the movable damping part, and the body part is mounted in the sharp sleeve part and comprises a retainer, a clamping piece arranged in the retainer, a clamping piece spring sleeving the clamping piece and steel balls movably mounted close to the front end of the clamping piece. The lead storage part comprises a lead storage tube and a connecting portion connected with the same, and the connecting portion is connected with the rear end of the sharp sleeve part and matched with the rear end of the body part. One pencil lead penetrates the lead storage tube and the connecting portion, enters the clamping piece and penetrates out of the front end of the movable damping part for writing. The fully-automatic pencil has the advantages that the worn pencil lead can be compensated automatically during writing, and the mechanical leads of the fully-automatic pencil can be replaced mutually.

The invention provides an automatic saw blade polishing machine. The machine is characterized in that a turntable driving motor (4) is hoisted in the middle of the lower side of a lower platform (1), wherein the center of a turntable (2) is integrally fixedly connected with the turntable driving motor (4) and is positioned above the lower platform (1); a transverse crossing beam (6) is lengthways mounted on the lower platform (1) and is positioned right above the turntable (2); a grinder assembly (3) is mounted above the lower platform (1) and positioned at the left side of the transverse crossing beam (6); a circular arc shaped baffle plate (5-2) of a limiting assembly (5) is mounted on the lower platform (1) and positioned above the turntable (2); a V-shaped baffle plate (5-1) is fixedly mounted at the right side of the transverse crossing beam (6); a shifting baffle plate (7) is mounted at the right side of the transverse crossing beam (6) and positioned right above the turntable (2); a discharging groove (8) is mounted at the lower right corner of the lower platform (1). The machine is simple in structure, and high in automation degree; materials can be continuously fed through the turntable, and inside and outside grinding motors can increase the working efficiency, and thus the polishing quality can be ensured.

Present invention discloses a single double lamp automatic-detection compensation circuit for fluorescent lamp electronic ballast. It includes abnormal signal detection abnormal signal detection circuit, single double lamp detection circuit single double lamp control circuit, wherein lamp detection circuit connected to filament leading out end, single double lamp control circuit receiving single double lamp detection circuit signal and outputting control signal, abnormal signal detection circuit set between electronic ballast output circuit and DC / AC convertor and receiving single double lamp control circuit control signal and in lamp tube disorder working outputting steady disorder signal protection voltage V to DC / AC convertor. Said invention can effectively solves guard signal compatibility problem in current technology and sensitivity problem to realize guard signal automatically compensating function in lamp tube disorder working or different loading condition.

The invention develops a water quality pH value intelligent transfer device for intensive water quality monitoring applications, aiming at the status quo of urgent need of automatic water quality monitoring technique in intensive aquaculture in China. The intelligent transfer device integrates the water quality parameter signal conditioning technique and the transfer technique, and is directly input with signals of water temperature and pH value sensor probes, and is embedded with a high performance microprocessor, the device utilizes the self-calibration technique to realize the pH value automatic temperature compensation function on the basis of signal acquisition of probes, and also adopts an intelligent network interface model described in the IEEE1451 standard to realize the self-diagnosis and plug-and-play functions of an intelligent transmitter. The water quality pH transfer device is advanced to develop towards intelligence, networking and miniaturization, thereby raising the water quality monitoring level of intensive aquaculture.

The invention discloses a plane guide rail cleaning device. The plane guide rail cleaning device comprises a body mechanism, a body fixing frame and a cleaning flexible assembly. The body mechanism comprises a sleeve internally provided with a main elastic piece, a sliding rod is connected to the lower end of the main elastic piece and can freely slide in the sleeve, and the inner diameter of thelower half section of the sleeve is matched with the diameter of the sliding rod. One end of the body fixing frame sleeves the sleeve, and the other end of the body fixing frame is fixedly connected with drive equipment. The cleaning flexible assembly is connected with the sliding rod in a replaceable manner and comprises a cleaning module shell, and the cleaning module shell is internally provided with a brush for brushing a rail and oiling felt. The provided plane guide rail cleaning device has the functions that cleaning work can be achieved without shutdown, greasy filth and other dirt generated after cleaning cannot influence normal running of surrounding accessories, and on the rail with certain radian, a main spring and an auxiliary spring achieve the automatic compensation function.

The invention discloses a brake cylinder of a hydraulic brake device of a railway vehicle. The brake cylinder comprises a shell component, a disk spring assembly, an indicator assembly, a piston assembly, a push rod assembly and an end cover assembly. The push rod assembly, the piston assembly, the disk spring assembly and the indicator assembly are sequentially installed in a cylindrical hole inside the shell component from front to back, wherein the cylindrical hole is provided with a step, and the axis of the push rod assembly, the axis of the piston assembly, the axis of the disk spring assembly, and the axis of the indicator assembly are the same as the main axis of the shell component. The end cover assembly is installed on the cylindrical step at the front end of the shell component, and the axis of the end cover assembly is the same as the main axis of the shell component. Brake clearances can be automatically compensated by multiple threads. Compared with an existing brake cylinder, the brake cylinder is simple in structure, convenient to machine and assemble, few in movable parts, and high in reliability, has the friction plate and brake disc abrasion monitoring function and the automatic compensation mechanism running real-time monitoring function, and can remotely monitor the working state of the brake cylinder in real time. Manual brake loosening and adjustment can be achieved on the scene through a manual mechanical brake loosening device, and operation is conveniently and quickly conducted.

The invention discloses a temperature controller with temperature compensation, which comprises a casing, a heating compensating component, a mechanical component arranged inside the casing, and a temperature-sensing component arranged at the bottom of the casing, the temperature-sensing component includes corrugated tube, and a capillary tube connected to the bellows, the heating compensation assembly includes a temperature sensor switch and a heater, the heater is arranged inside the housing and connected to the terminal inside the electrical interface assembly, the The electrical interface assembly is located on the side wall of the housing, the temperature sensor switch is a magnetic switch or a temperature switch, and the heater is a resistance wire or a resistance heating sheet. The invention enhances the low temperature tolerance of the temperature control by adding a heating compensation component inside the temperature controller, and at the same time solves the defect that the existing temperature controller cannot be started normally in a low temperature environment; the heating compensation component is reasonably connected with the electrical interface component , Realize the automatic compensation function of the thermostat temperature.

The invention provides a double-spot double-face floating welding gun which comprises a first single spot welding mechanism, a second single spot welding mechanism and a linear motion assembly, and the first single spot welding mechanism and the second single spot welding mechanism are installed in a matched mode through the linear motion assembly. The welding gun has the beneficial effects that the two single spot welding mechanisms are connected through the linear motion assembly, two positions can be welded at the same time, the problem that stress changes are generated due to the fact that the two spots are not welded at the same time is solved, the welding precision and the working efficiency are improved, the distance between the two welding positions can be adjusted by adjusting the linear motion assembly, and the welding gun can be suitable for more working scenes.

The invention provides a fully-automatic mechanical pencil lead and a fully-automatic pencil with the same. The fully-automatic mechanical pencil lead comprises a sharp sleeve part, a body part and a lead storage part, the sharp sleeve part comprises a sharp sleeve, a movable damping part mounted in the sharp sleeve and a damping spring sleeving the movable damping part, and the body part is mounted in the sharp sleeve part and comprises a retainer, a clamping piece arranged in the retainer, a clamping piece spring sleeving the clamping piece and steel balls movably mounted close to the front end of the clamping piece. The lead storage part comprises a lead storage tube and a connecting portion connected with the same, and the connecting portion is connected with the rear end of the sharp sleeve part and matched with the rear end of the body part. One pencil lead penetrates the lead storage tube and the connecting portion, enters the clamping piece and penetrates out of the front end of the movable damping part for writing. The fully-automatic pencil has the advantages that the worn pencil lead can be compensated automatically during writing, and the mechanical leads of the fully-automatic pencil can be replaced mutually.

The invention discloses an automatic monitoring compensation and emergency device for valve rod seal, and relates to the field of valve rod seal. The automatic monitoring compensation and emergency device for valve rod seal sequentially comprises a valve body upper end, a soft filler, a metal ring and a valve rod from bottom to top, wherein a threaded filler compression piece is arranged at the upper end of the metal ring; the valve rod penetrates through the soft filler, the metal ring and the threaded filler compression piece; a mould pressing filler and a sealed O-shaped ring slot are arranged at the top end of the valve body upper end; a medium leakage monitoring ring is arranged at the upper ends of the mould pressing filler and the sealed O-shaped ring; a medium leakage monitoring sensor is arranged on a monitoring port of the medium leakage monitoring ring; the medium leakage monitoring ring is connected with a programmable logic controller; a drive wheel, a rolling steel ball and a driven ratchet wheel are arranged at the upper end of the medium leakage monitoring ring; the drive wheel is connected with a micro hydraulic cylinder; the driven ratchet wheel and the threaded filler compression piece are in clearance fit; and the micro hydraulic cylinder is connected with a micro hydraulic pump and the programmable logic controller. The automatic monitoring compensation andemergency device for valve rod seal can realize the real-time monitoring on the valve rod seal leakage, and has the functions on automatically compensating a soft filler and emergently sealing in case of complete failure.

The invention discloses an automatic electrode loss compensation ultrasonic electric spark deposition device which comprises an X-axis moving device, a Y-axis moving device, a Z-axis moving device and an ultrasonic auxiliary deposition device, the X-axis moving device is mounted on a base frame, the Y-axis moving device is perpendicularly and crosswise connected with the X-axis moving device, the Z-axis moving device is perpendicularly and crosswise connected with the Y-axis moving device, and the X-axis moving device is mounted on the base frame. The electric spark deposition welding gun is installed on the Z-axis moving device, the Z-axis moving device drives the electric spark deposition welding gun to move up and down, the X-axis moving device and the Y-axis moving device respectively drive the electric spark deposition welding gun to move front and back and left and right, and the ultrasonic auxiliary deposition device is located below the electric spark deposition welding gun. The ultrasonic-assisted deposition device is used for fixing a workpiece and applying vibration to the workpiece. Through multi-direction adjustment, the reciprocating motion of the air cylinder and the thrust of the sliding block are converted into continuous downward pressure of the electrode, and it is guaranteed that the discharge gap between the electrode and a workpiece is at a stable value under the condition that the electrode is continuously lost.

The invention relates to a hydraulic system with a flow compensation function and engineering machinery provided with same. The hydraulic system comprises a main pump which is connected with an oil tank and controlled in a load sensing mode, actuating mechanism, a main control valve which is connected with the main pump and the actuating mechanism and used for distributing hydraulic oil for the actuating mechanism, a pilot pressure input part which is connected with the main control valve so as to input pilot pressure to the main control valve, and a flow compensation mechanism, wherein the flow compensation mechanism comprises a compensation pressure input part and a flow compensation valve block; the compensation pressure input part is used for inputting constant compensation pressure to the flow compensation valve block; and the flow compensation valve block is connected with the pilot pressure input part, the compensation pressure input part, a load pressure output pipeline of the main control valve and a displacement adjusting mechanism of the main pump and used for receiving the compensation pressure and the load pressure under the condition that the pilot pressure input part inputs the pilot pressure and inputting the higher one of the compensation pressure and the load pressure to the main pump so as to control the displacement of the main pump.

Present invention discloses a single double lamp automatic-detection compensation circuit for fluorescent lamp electronic ballast. It includes abnormal signal detection abnormal signal detection circuit, single double lamp detection circuit single double lamp control circuit, wherein lamp detection circuit connected to filament leading out end, single double lamp control circuit receiving single double lamp detection circuit signal and outputting control signal, abnormal signal detection circuit set between electronic ballast output circuit and DC / AC convertor and receiving single double lampcontrol circuit control signal and in lamp tube disorder working outputting steady disorder signal protection voltage V to DC / AC convertor. Said invention can effectively solves guard signal compatibility problem in current technology and sensitivity problem to realize guard signal automatically compensating function in lamp tube disorder working or different loading condition.

The invention discloses a self-compensating servo wiring device for a water tank type wire drawing machine, which comprises a tension testing unit, a wire distributing device and a wire collecting device, wherein the tension testing unit consists a first wire roller, a second wire roller, a tensioning wire roller, an angular displacement sensor, a tension rod and a guide groove; the wire distributing device consists a third wire roller, a synchronous belt, a fourth wire guide roller, a screw nut, a ball screw, a coupler, a wiring servo motor, a fifth wire roller, a wiring base and an end cover; and the wire collecting device consists of a spool and a wire collecting servo motor. The device adopts the tensioning wire roller for testing the tension of a metal wire, has a simple structure and has a metal wire breakage alarming function for giving an alarm in time incase of breakage of the metal wire.

The invention relates to a hydraulic system with a flow compensation function and engineering machinery provided with same. The hydraulic system comprises a main pump which is connected with an oil tank and controlled in a load sensing mode, actuating mechanism, a main control valve which is connected with the main pump and the actuating mechanism and used for distributing hydraulic oil for the actuating mechanism, a pilot pressure input part which is connected with the main control valve so as to input pilot pressure to the main control valve, and a flow compensation mechanism, wherein the flow compensation mechanism comprises a compensation pressure input part and a flow compensation valve block; the compensation pressure input part is used for inputting constant compensation pressure to the flow compensation valve block; and the flow compensation valve block is connected with the pilot pressure input part, the compensation pressure input part, a load pressure output pipeline of the main control valve and a displacement adjusting mechanism of the main pump and used for receiving the compensation pressure and the load pressure under the condition that the pilot pressure input part inputs the pilot pressure and inputting the higher one of the compensation pressure and the load pressure to the main pump so as to control the displacement of the main pump.