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42results about How to "Reliable debugging" patented technology

Alarm current value settable bi-color fault indicator

The invention relates to an alarm current value settable bi-color fault indicator which comprises an alarm current setting switch, a current sensing element, a signal conditioning circuit, a processing unit and an optical signal generating circuit, wherein the current sensing element, the signal conditioning circuit, the processing unit and the optical signal generating circuit are sequentially and electrically connected in the signal transmitting direction. The processing unit comprises an A / D converter for digitalizing voltage signals output by the signal conditioning circuit, a comparator for comparing voltage signals, judging whether the voltage signals exceed a set awakening threshold value and then triggering and awakening a CPU if the voltage signals exceed the set awakening threshold value, and the CPU for controlling work of the A / D converter, calculating a digitalization result of the A / D converter and sending a fault indication control signal if the digitalization result shows that a fault is produced, wherein the control signal triggers the optical signal generating circuit to send an optical signal and give an alarm indication. The alarm current value settable bi-color fault indicator has the LED indication advantages of being high in accuracy, low power consumption, capable of achieving accurate multi-gear setting of alarm current values and various in output mode, and a user can perform flexible setting according to line load current level.
Owner:北京恒源利通电力技术有限公司

Intelligent transformer substation secondary equipment panorama test system and construction and test method thereof

The embodiment of the present invention discloses an intelligent transformer substation secondary equipment panorama test system and a construction and test method thereof. According to the present invention, by analyzing a transformer substation database configuration file, all intelligent electronic devices and the configuration information of the intelligent electronic devices can be obtained, and by the virtual terminal input and output of the acquisition and control modules between the intelligent electronic devices, the connection between the intelligent electronic devices is realized; a secondary equipment panorama diagram is drawn by taking the intervals as units, the intelligent electronic devices in the panorama diagram are monitored real-timely, and the states and the data flow directions of the intelligent electronic device virtual terminals can be visualized; the connection states of the input and output virtual terminals of the intelligent electronic devices and the correlated devices are displayed, and the connection states of the virtual terminals and the information and the data flow directions of the devices of a transformer substation can be changed directly under the panorama diagram. The test system and the test method provided by the embodiment of the present invention can carry out the integration and visualization test on the functions of a plurality of intelligent electronic devices of the whole transformer substation simultaneously, thereby finishing the overall debugging and verification of the intelligent transformer substation secondary equipment efficiently and reliably.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST

Spring safety valve debugging device

PendingCN107605823AAccurate measurement of actual set pressureEasy to debugMachine part testingFluid-pressure actuator testingHydraulic cylinderPull force
The invention relates to a spring safety valve debugging device which can perform online debugging and checking on a spring safety valve. The spring safety valve debugging device comprises a data processor, a force measuring sensor, a displacement transducer, a pressure transducer, a hydraulic cylinder, a bracket, a piston, a universal nut, a pull rod, a high-pressure oil pump and the like, wherein the hydraulic cylinder and the bracket are mounted on a regulating screw of the safety valve; a force measuring transducer is placed on the hydraulic cylinder; the pull rod passes through the hydraulic cylinder and is rigidly connected with a valve rod of the safety valve; and the displacement transducer is fixedly arranged on the bracket. During checking, high-pressure medium is injected into the hydraulic cylinder through the high-pressure oil pump, the piston drives a valve rod to move upwards, a measuring element transmits a displacement signal of valve opening, valve rod pull force andcontainer pressure data into a data processor, and set pressure and spring regulating amount of the safety valve are precisely calculated; and in a checking process, displacement of the valve rod is detected through the displacement sensor to judge whether the valve is opened or not. The spring safety valve debugging device has the advantages that set pressure of the spring safety valve can be precisely measured on line under pressure, and debugging and checking of the safety valve can be precisely and reliably performed according to the measured results.
Owner:HARBIN HBC VALVE

Main die rotary type high-speed cold heading machine

The invention relates to a main die rotary type high-speed cold heading machine. A cold heading device further comprises a main die rotary mechanism, wherein the main die rotary mechanism comprises a rotary type main die seat; the main die seat is assembled on a machine body and can rotate; the main die seat is sequentially provided with a plurality of heading working stations corresponding stamping dies one by one, and a material returning working station corresponding to the position of a material returning device; the material returning working station and the heading working stations are uniformly distributed on the same circumference; each working station of the main die seat is correspondingly provided with a main die; the main die seat is connected with an interval indexing device for driving the main die seat to rotate at interval to realize the switching of the working stations of the main die; each stamping die is positioned and mounted on a stamping die slide seat and corresponds to the position of the corresponding cold heading working station. The switching of the working stations is realized by main die rotation; the main die rotary type high-speed cold heading machine has the advantages of compact structure, good production stability, high machining precision and high working efficiency.
Owner:浙江展邦机械有限公司

Six-freedom-degree quasi-zero stiffness vibration isolation device and debugging method and vibration isolation method of six-freedom-degree quasi-zero stiffness vibration isolation device

The invention belongs to the technical field of vibration isolation, and particularly relates to a six-freedom-degree quasi-zero stiffness vibration isolation device and a debugging method and a vibration isolation method of the six-freedom-degree quasi-zero stiffness vibration isolation device. The six-freedom-degree quasi-zero stiffness vibration isolation device comprises a top plate, a bottomplate and a vibration isolator arranged between the top plate and the bottom, wherein the vibration isolator comprises a central supporting spring and four spring supports; the two ends of the centralsupporting spring are hung at the central positions of the top plate and the bottom plate respectively; the four spring supports are rotatably and symmetrically distributed along the vertical axis ofthe bottom plate at equiangular spacing; and the two ends of each spring support are connected with the top plate and the bottom plate respectively, and the spring supports are obliquely arranged relative to the horizontal direction. The six-freedom-degree quasi-zero stiffness vibration isolation device has the beneficial effects that the effects of six-freedom-degree vibration isolation and quasi-zero stiffness vibration isolation can be achieved simultaneously by adopting the four spring supports and one central supporting spring are adopted, the six-freedom-degree quasi-zero stiffness vibration isolation device has the characteristics of a compact structure and low inherent frequency, and the debugging process is simple, convenient and reliable and has the capacity of engineering fieldapplication.
Owner:OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI

Electric vehicle open-loop parking-on-slope control system

The invention provides an electric vehicle open-loop parking-on-slope control system. The electric vehicle open-loop parking-on-slope control system comprises a vehicle controller and a motor controller. The vehicle controller obtains the opening degree pe of an accelerator, the maximum allowable request torque Max_T is obtained, and the request torque T is set to be the product of Max_T and pe, namely T= Max_T *pe; whether an vehicle slips on the slope or not is determined by judging spd; when spd is larger than 0, the request torque T is unchanged; the duration time when spd is equal to 0 is set as cnt, and when a motor enters into the blocking rotating state, the new request torque T1 of the motor controller is set to be 0; when spd is smaller than 0 and the vehicle reversely slips, the acceleration a of the motor is obtained, wherein the acceleration a meets the relation of a=(spd-last_spd) / P; the torque acceleration rate acc is calculated and meets the relation of acc=tab[a]; the new torque request T1 meeting the relation of T1=T+acc is obtained; judgment is conducted according to the magnitude of T1 and Max_T, and T1 is set to be Max_T; and an inverter of the motor controller conducts vector control on the motor through T1 to achieve the open-loop parking-on-slope function. Only the vehicle controller and the motor controller need to be closely matched and adopt traditional open-loop control, thus the parking-on-slope function is achieved, large amount of parameter debugging of closed-loop control is omitted for open-loop control, and stability and reliability are achieved.
Owner:合肥翔望智能科技有限公司

Method for adjusting star wheel-rotor engagement accuracy of single screw rod type refrigerating compressor

The invention relates to a method for adjusting star wheel-rotor engagement accuracy of a single screw rod type refrigerating compressor. The method has the following steps that: (1) a main shaft is arranged in a machine casing, and a circular gasket is prearranged; (2) a centering tooling is arranged in the machine casing position in which a star wheel is arranged; (3) a screw rod rotor rotates, the end of a centering needle is adjusted to one end of a rotor groove, and a reading of a dialgage at the time is recorded as a; the screw rod rotor reversely rotates, the end of the centering needle is adjusted to the other end of the rotor groove, and a reading of the dialgage at the time is recorded as b; the tolerance range is set to be 0+/-delta, and the difference between b and a is compared with 0+/-delta; (4) if the difference between b and a exceeds the tolerance range, the thickness of the circular gasket between the fixed mating surfaces is increased or decreased, and the step (3) is repeated, until the difference between b and a is controlled within the tolerance range. The invention solves the problems that the traditional star wheel-rotor engagement has complicated debugging process, the assembly efficiency of the products is low, and the assembled star wheel-rotor engagement is still low.
Owner:MCQUAY AIR CONDITIONING & REFRIGERATION SUZHOU

Full-automatic sewage concentration treatment equipment and treatment method

The invention provides full-automatic sewage concentration treatment equipment. A pre-separation stirring tank, magnetic recovery equipment, a magnetic powder adding system and a sedimentation tank with brand-new structures are provided, the magnetic powder recovery rate is high, the full-automatic sewage concentration treatment equipment occupies a small area, is suitable for new construction, especially for reconstruction of old water plants with tense sites, and is low in overall investment and construction cost; traditional reinforced concrete structures such as a concentration tank and a sludge storage tank are replaced, the automation degree is high, debugging and operation are simple and reliable, and unattended operation can be achieved. The full-automatic sewage concentration treatment equipment is short in sewage concentration time, the desliming efficiency of the desliming machine is greatly improved, and the low water content of discharged sludge is ensured. The equipment has the characteristics of stable and reliable operation, simple operation, small occupied area, high sewage concentration efficiency, large water treatment amount and low operation cost according to the current treatment situation of the sewage of the waterworks.
Owner:江苏健立飞净水设备有限公司

Reciprocating drive mechanism, wire arranging machine provided with same and take-up machine

ActiveCN112478922ALarge range of free adjustmentReliable debuggingFilament handlingWheel driveCycloid
A wire arranging device comprises a cycloid piece and a reciprocating drive mechanism, wherein the reciprocating drive mechanism comprises a slide table connected to the cycloid piece, a power input assembly, a power output assembly, two speed adjusting pieces and a reversing assembly; the power input assembly comprises a drive shaft penetrating through the slide table, two drive cone pulleys connected to the slide table and a transmission cone pulley, wherein the drive cone pulleys are arranged on the drive shaft in a sleeving mode and make contact with a transmission cone pulley; the power output assembly comprises a lead screw penetrating through the slide table and two driven cone pulleys arranged on the lead screw in a sleeving mode and connected to the slide table, wherein the drivencone pulleys are provided with output teeth; each speed adjusting piece comprises a speed adjusting wheel in contact with the drive cone pulley and the driven cone pulley, and a speed adjusting wheeldrive piece connected to the speed adjusting wheel; the reversing assembly comprises a reversing nut screwed with the lead screw, a reversing gear arranged on the reversing nut in a sleeving mode anda reversing gear position adjusting piece used for driving the reversing gear to be alternatively meshed with the two output teeth, wherein the reversing gear position adjusting piece can adjust theback-and-forth speed of wire arrangement. The invention further provides a take-up machine with the reciprocating drive mechanism, and a back-and-forth drive mechanism used by the take-up machine.
Owner:柳州工学院 +1

A six-degree-of-freedom quasi-zero-stiffness vibration isolation device, its debugging method, and vibration isolation method

The invention belongs to the technical field of vibration isolation, and in particular relates to a six-degree-of-freedom quasi-zero-stiffness vibration isolation device, a debugging method thereof, and a vibration isolation method. A six-degree-of-freedom quasi-zero-stiffness vibration isolation device includes a top plate, a bottom plate, and a vibration isolator arranged between the top plate and the bottom plate; the vibration isolator includes a central support spring and a spring bracket; the central support spring The two ends of the two ends are respectively hung on the central position of the top plate and the bottom plate; there are four groups of the spring brackets, which are distributed rotationally symmetrically at equiangular intervals along the vertical axis of the bottom plate; the two ends of each group of spring brackets are respectively connected to the top plate and The bottom plate is connected, and the spring support is arranged obliquely relative to the horizontal direction. The beneficial effects of the present invention are: adopting four spring supports and one central support spring can realize the effect of vibration isolation with six degrees of freedom and quasi-zero stiffness vibration isolation at the same time, and has the characteristics of compact structure and low natural frequency; and the debugging process is simple and reliable , with the ability of engineering field application.
Owner:OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI

Simulation debugging system

The invention discloses a simulation debugging system which comprises a simulator and a computer connected with the simulator through a communication cable. Multiple integrated development environment softwares are installed in the computer, and each integrated development environment software comprises a debugging management software and a to-be-debugged user program. The integrated development environment softwares can be opened on the computer at the same time, but only one integrated development environment software is in an active state; each debugging management software can judge whether the corresponding integrated development environment software to which the debugging management software belongs is in the active state or not and can judge whether the corresponding user program is in an editing and modifying state or a debugging state; if the corresponding user program is in the debugging state, each debugging management software can acquire program sentence position which is displayed currently and executed by the corresponding user program and can acquire a code executing state of the corresponding user program in the simulator and display the code executing state on a display interface of the corresponding integrated development environment software. By the simulation debugging system, work and debugging state of the simulator can be automatically synchronized and matched with the integrated development environment softwares which are in the active state currently.
Owner:SHANGHAI HUAHONG INTEGRATED CIRCUIT

Pressure control method and device for nuclear power plant pump set

The invention discloses a pressure control method and a device for a pump unit of a nuclear power station. The pressure control method comprises the steps that S1, a pressure switch is turned from on to off after pressure at an inlet of the pump unit detected by the pressure switch mounted at the inlet of the pump unit is smaller than a set value, an abnormal pressure signal is generated and transmitted to a delaying module; S2, the delaying module receives the abnormal pressure signal and generates a low pump unit inlet pressure signal after being delayed according to the pre-set time; and S3, the low pump unit inlet pressure signal is transmitted to a trip instruction terminal of an electric plate cabinet of the pump unit through a hard wire to cut off a power supply of the pump unit and allow the pump unit to stop operation. The pressure control device for the pump unit comprises the pressure switch (1) and the delaying module (2). The pressure control method and the device have the benefits that the immediate stop of the operation of the pump unit in an abnormal condition (for example, the low pressure at the inlet of the pump unit) can be ensured under the situation that a DCS (Distributed Control System) and LSA (Test Loops) are unavailable, the safety of equipment is ensured, and the construction time and cost are saved.
Owner:中广核工程有限公司 +1

Off-line debugging apparatus and off-line debugging method of blast-furnace gas glasses valve control loop

The invention discloses an off-line debugging apparatus and an off-line debugging method of a blast-furnace gas glasses valve control loop. The debugging apparatus includes eight single-pole switches and two three-phase phase-sequence meters, wherein the eight single-pole switches are respectively used for an opening position of a plate moving apparatus, an closed position of the plate moving apparatus, light-on control of the plate moving apparatus, light-off control of the plate moving apparatus, clamping control of a loosening / clamping apparatus, loosening control of the loosening / clamping apparatus, clamping light control of the loosening / clamping apparatus and loosening light control of the loosening / clamping apparatus; and the two three-phase phase-sequence meters are respectively connected to a plate moving motor and a main loop power supply terminal of a loosening / clamping motor. The debugging method includes the steps of: successively closing corresponding terminals, determining whether the loosening / clamping apparatus and the plate moving apparatus are in correct status or not and whether the three-phase phase-sequence meters are in normal phase sequences or status or not, and performing troubleshooting. In the method, complex debugging work is simplified into programmed operations, so that debugging is carried out quickly and reliably and time required in re-blowing of the blast furnace is reduced, thus creating production benefit.
Owner:HBIS COMPANY LIMITED HANDAN BRANCH COMPANY

Method for adjusting star wheel-rotor engagement accuracy of single screw rod type refrigerating compressor

The invention relates to a method for adjusting star wheel-rotor engagement accuracy of a single screw rod type refrigerating compressor. The method has the following steps that: (1) a main shaft is arranged in a machine casing, and a circular gasket is prearranged; (2) a centering tooling is arranged in the machine casing position in which a star wheel is arranged; (3) a screw rod rotor rotates, the end of a centering needle is adjusted to one end of a rotor groove, and a reading of a dialgage at the time is recorded as a; the screw rod rotor reversely rotates, the end of the centering needle is adjusted to the other end of the rotor groove, and a reading of the dialgage at the time is recorded as b; the tolerance range is set to be 0+ / -delta, and the difference between b and a is compared with 0+ / -delta; (4) if the difference between b and a exceeds the tolerance range, the thickness of the circular gasket between the fixed mating surfaces is increased or decreased, and the step (3) is repeated, until the difference between b and a is controlled within the tolerance range. The invention solves the problems that the traditional star wheel-rotor engagement has complicated debugging process, the assembly efficiency of the products is low, and the assembled star wheel-rotor engagement is still low.
Owner:MCQUAY AIR CONDITIONING & REFRIGERATION SUZHOU

Internet of Things hardware debugging platform for easy adjustment

The invention discloses an Internet of Things hardware debugging platform for easy adjustment, and belongs to the technical field of Internet of Things hardware debugging. The platform is divided into three modules, namely a serial port communication module, a baseband signal processing module and an intermediate frequency signal processing module, wherein the serial port communication module is used for realizing a data transmission process of a board card and an upper computer; the baseband signal processing module is the core of the board card, is used for realizing functions of OFDM (Orthogonal Frequency Division Multiplexing) modulation, synchronization of down-conversion data, FFT (Fast Fourier Transform) operation, channel estimation and compensation, adaptive demodulation and signal-to-noise ratio estimation, and is also responsible for program scheduling of the whole communication process; and the intermediate frequency processing module is used for realizing up-down conversion of data and analog-to-digital and digital-to-analog conversion of signals. According to the invention, influences of electromagnetic interference on hardware equipment can be effectively avoided, so that the effect of reliably debugging the hardware equipment based on the Internet of Things is achieved.
Owner:盐城蜂群智能技术有限公司

Two-color fault indicator with programmable alarm current value

The invention relates to an alarm current value settable bi-color fault indicator which comprises an alarm current setting switch, a current sensing element, a signal conditioning circuit, a processing unit and an optical signal generating circuit, wherein the current sensing element, the signal conditioning circuit, the processing unit and the optical signal generating circuit are sequentially and electrically connected in the signal transmitting direction. The processing unit comprises an A / D converter for digitalizing voltage signals output by the signal conditioning circuit, a comparator for comparing voltage signals, judging whether the voltage signals exceed a set awakening threshold value and then triggering and awakening a CPU if the voltage signals exceed the set awakening threshold value, and the CPU for controlling work of the A / D converter, calculating a digitalization result of the A / D converter and sending a fault indication control signal if the digitalization result shows that a fault is produced, wherein the control signal triggers the optical signal generating circuit to send an optical signal and give an alarm indication. The alarm current value settable bi-color fault indicator has the LED indication advantages of being high in accuracy, low power consumption, capable of achieving accurate multi-gear setting of alarm current values and various in output mode, and a user can perform flexible setting according to line load current level.
Owner:北京恒源利通电力技术有限公司
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