1050 results about "Nixie tube" patented technology

The invention relates to a giant magnetoresistive effect current sensor using an amorphous alloy magnetic ring structure, and belongs to the technical field of power system measurement. In the current sensor, a wire to be measured passes through an amorphous alloy magnetic ring; and a direct current magnetic biasing coil is wound on the amorphous alloy magnetic ring and is powered by a direct current constant current source. A plurality of layers of giant magnetoresistive effect chips are arranged in an air gap of the amorphous alloy magnetic ring. Positive output ends and negative output ends of the chips are connected with the in-phase input end and the inverted input end of an instrument amplifier respectively; and an output end of the instrument amplifier is connected with an in-phase input end of an operational amplifier. A voltage following resistor is connected in parallel between an inverted input end and an output end of the operational amplifier; the output end of the operational amplifier is connected with an input end of an analog / digital converter; and an output end of the analog / digital converter is connected with a nixie tube display. The current sensor has the advantages of small size, low cost, low energy consumption, wide frequency response, high sensitivity, stabile characteristic and the like, and meets the requirements of environmental friendliness, energy conservation and large-scale distributed monitoring in a novel intelligent power grid.

The invention provides a full-automatic LED nixie tube photoelectric testing system and a method thereof. The full-automatic LED Nixie tube photoelectric testing system comprises the components of an automatic material feeding module, an automatic testing module, an automatic blanking module and a master control module. The automatic testing module comprises a piece of transparent glass, an X-direction mechanical arm, a Y-direction mechanical arm, a Z-direction mechanical arm, an excitation source contact module, an image acquiring module, an image processing module, an electric performance testing module and a dark box. The automatic blanking module is used for realizing automatic sorting for tested LED nixie tubes. The master control module is used for controlling the operation of the whole full-automatic LED nixie tube photoelectric testing system. The full-automatic LED nixie tube photoelectric testing system and the method make high-efficiency full automatic testing for different types of LED nixie tubes possible, and furthermore realize high testing speed and high accuracy for testing the photoelectric performance of the LED nixie tube.

The invention relates to a device for testing an integrated triode array circuit, which comprises a testing box in a two-layer split type structure, wherein the lower layer is mainly provided with a singlechip, an AD (Analog-to-Digital) converter, a relay, an analog switch, a stabilized voltage power supply, a constant current source, an operational amplifier and an adapter; the upper layer is mainly provided with a nixie tube, a switch, a select key, a tested circuit clamp, a light-emitting diode, a buzzer and a universal instrument interface; and an upper layer circuit and a lower layer circuit are connected through the adapter. The testing box is the core part of the device; data acquisition, data processing, data judgment and interface functions are realized mainly through a lower layer plate of the testing box; and signal input and output, judgment result displaying, parameter testing data displaying and judgment step displaying functions are realized mainly through an upper layer plate of the testing box. The device provided by the invention can be used for completing single-step and automatic tests of all tubes and parameters as well as high temperature, low temperature and normal temperature tests.

The invention discloses an intelligent greenhouse roller curtain control system based on a multi-sensor information fusion technology. In the system, a single chip microcomputer detects roller curtain machine position feedback information fed back by a temperature sensor, a light sensor, a moisture sensor, an upper limiting switch and a lower limiting switch, accordingly, the inner-outer environment state of a solar greenhouse is judged, then the single chip microcomputer sends control information to a solid-state relay which controls automatic rolling and falling action of a greenhouse straw curtain, and meanwhile real-time temperature of the greenhouse and relative humidity of atmosphere are displayed through a Nixie tube. According to the intelligent greenhouse roller curtain control system, automatic curtain rolling and falling of the roller curtain machine are achieved under the situations of day-night alternating, bad weather and temperature shock, the labor intensity of greenhouse farmers is greatly lowered, production efficiency is improved, and production cost is lowered.

The invention discloses an intersection semiphysical dynamic microcosmic simulation system which comprises an intersection microcosmic simulation module, a light emitting diode (LED) lamp hardware module, a traffic light hardware module, a signal timing control module and an intersection real object demonstration platform, wherein the signal timing control module sends a timing parameter to the intersection microcosmic simulation module and the traffic light hardware module and controls a traffic light of the intersection microcosmic simulation module according to feedback information of the traffic light hardware module; the intersection microcosmic simulation module simulates a situation of vehicles at an intersection and calculates an average delay of each vehicle at the intersection; the traffic light hardware module controls a traffic light and a count-down digital tube of the intersection real object demonstration platform according to the timing parameter; the LED hardware module controls states of LED lamps on the intersection real object demonstration platform according to state data of the LED lamps; and the intersection real object demonstration platform demonstrates a process that the vehicles pass through the intersection in the form of real objects. By the intersection semiphysical dynamic microcosmic simulation system, an intersection traffic light control system and a computer simulation technology are combined together, so that an aim of integrating simulation research and application practice is fulfilled.

The invention discloses a temperature control system for an outdoor control cabinet. The temperature control system comprises a control cabinet, a power supply, a core control plate, a temperature sensor, a flexible heater and an aerofoil fan. The temperature control system for the outdoor control cabinet is characterized in that the core control plate of the temperature control system for the outdoor control cabinet, the temperature sensor arranged in the control cabinet, and the flexible heater and the aerofoil fan which are arranged on a wall of a shell of the control cabinet are arranged on a circuit control plate or an inner wall inside the shell of the control cabinet; ambient temperature which is detected by the temperature sensor is monitored by the core control plate in real time and is displayed through a nixie tube display unit; a singlechip controller starts the aerofoil fan or the flexible heater to reduce or raise the temperature when the ambient temperature is greater than a high-temperature warning value or smaller than a low-temperature warning value which is set on the singlechip controller, so that representative equipment in the outdoor control cabinet is ensured to be positioned in temperature environment of normal work.

The invention provides a hydrogen production device with an intelligent control function. The hydrogen production device comprises a control circuit, an anode electrode and a cathode electrode, wherein the control circuit comprises a power supply module, a display module, a current detection circuit, a drive module, an output circuit, a switch unit and a controller, the anode electrode and the cathode electrode are connected with the output circuit. According to the hydrogen production device with the intelligent control function, a micro computer controls external power supply to output the anode electrode and the cathode electrode, so that the circuit is concise and intelligent; the hydrogen production device has an overcurrent protection function, thus being safe and reliable in producing hydrogen; the hydrogen production device can set the startup and shutdown time, thus being convenient and simple to operate; according to the requirement of users, the time for hydrogen production can be regulated flexibly, and the working time can be displayed by an LED (light emitting diode) nixie tube in countdown manner, therefore, the users can see the time with half an eye, hazardous conditions caused by hydrogen production for overlong time are avoided, and the users can be guaranteed to safely and reliably use hydrogen water.

The present invention discloses a multi-bit nixietube control circuit and a method thereof. The control circuit comprises a nixietube, the drive circuit of the nixietube, latch drive circuits, a microprocessor and a decoding circuit. The present invention is characterized in that an eight-bit nixietube is used as a control unit of a section or a bit; two latch circuits are respectively used for section drive and bit drive of the nixietube. The method (1) comprises: the data input terminals of section latches and bit latches are independent and separate and are connected with the data transmission permission terminals in parallel, the data transmission permission terminals are directly connected with the microprocessor or connected the microprocessor by the decoding circuit. The method (2) comprises: the data input terminals of the section latches and the bit latches are connected in parallel, and the data transmission permission terminals are independent and separate; the independent and separate data transmission permission terminals of the sections and the bits are respectively connected with the microprocessor; the data signals of the section latches and bit latches of each control unit respectively drive the corresponding nixietube by the drive circuit of the nixietube. The method solves the problem of high cost when the multi-bit nixietube is driven or a plurality of LEDs are used for imaging.

The invention relates to a multi-section nixie tube display drive circuit structure which comprises a display drive module. The display drive module is provided with N display output drive ports, each display output drive port is connected with a strobe end of a corresponding multi-section nixie tube, the multi-section nixie tubes are provided with section display control ports with the number corresponding to the number of sections, the section display control ports of each multi-section nixie tube are respectively connected with corresponding display output drive ports in the display drive module besides the display output ports which are connected with the strobe ends of the multi-section nixie tubes, N is equal to or greater than two, and the number of the sections is smaller than N. The multi-second nixie tube display drive circuit structure is used for distinguishing positions and sections in time division multiplexing, the number of the display output ports of the display drive circuit of light emitting diode (LED) is greatly reduced, the resource of the output ports is completely used, the cost of chips and the cost of sealing are lowered, structure is simple and practical, working performance is stable and reliable, and applicable range is wide.

The invention discloses a nixie tube material arrangement machine with automatic detection and direction rotating functions. The nixie tube material arrangement machine comprises a rack with a control box and a spin vibration sieve. A material arrangement disc capable of moving horizontally is arranged on the rack. Stop strips parallel to the material arrangement disc are arranged above the material arrangement disc in an up-down moving manner. Rotating devices right facing a discharging opening of the spin vibration sieve are sequentially arranged on the stop strips from one ends to the outer sides. Fiber probes are arranged above the rotating devices. According to the nixie tube material arrangement machine with the automatic detection and direction rotating functions, the decimal points of each eight-section nixie tube are detected through the fiber probes and rotated to the same direction through the rotating devices, and then the eight-section nixie tubes are arranged on the material arrangement disc neatly; no manual sorting and adjusting are needed, the whole process is completed automatically, the time and labor are saved, the detection speed is high, the arrangement efficiency is high, and the labor intensity and the labor cost are lowered greatly; and during the detection, it is not necessary to conduct rotation when the direction is right, the direction is corrected if the direction is wrong, it can be guaranteed by the detection that the eight-section nixie tubes entering the material arrangement disc are right in direction, no check is needed after arrangement, the error is avoided, and the situation that the display result is wrong after mounting is prevented effectively.

The invention discloses a circuit board assembly detection system. The circuit board assembly detection system mainly comprises a conveying device as well as code spraying equipment, ICT test equipment, nixie tube plugging equipment, FCT test equipment, CCD scanning equipment and oil spraying equipment which are sequentially arranged along the conveying direction of the conveying device. According to the circuit board assembly detection system, the code spraying machine can perform automatic code spraying on circuit boards; the ICT test equipment can automatically perform ICT tests on the circuit boards; the nixie tube plugging equipment can automatically plug nixie tubes into the circuit boards, so that the speed and efficiency of the plugging of the nixie tubes can be improved; the FCT test equipment can automatically perform FCT tests on circuit boards to be detected, and therefore, test efficiency and test accuracy can be both improved; the CCD scanning equipment can perform automatic detection on the nixie tubes on the circuit boards; and the oil spraying equipment can perform automatic oil spraying processing on circuit boards which have been subjected to assembly detection, and the oil spraying equipment is connected with a baking box, and therefore, ink drying time can be shortened, and the production cycle of the circuit boards can be shortened.

The invention provides an internal control type LED (light-emitting diode) nixie tube system and a control method thereof; the internal control type LED (light-emitting diode) nixie tube system can be freely installed according to actual requirements during engineering construction without an external controller under the condition that a demonstrating control program of each nixie tube is not burned in advance before leaving factory, and the code of each nixie tube is identified in advance; a user can update the demonstrating contents of the nixie tubes at any time; when the system works, each nixie tube can be independent of the system or keep pace with the system; and during maintenance, the nixie tubes at different positions can be used interchangeably. The internal control type LED (light-emitting diode) nixie tube system comprises a computer controller, a data converter and more than one internal controls units, wherein the computer controller comprises an LED (light-emitting diode) mapping dot matrix data module and a demonstrating control data module; each internal control unit comprises more than one group of LED (light-emitting diode) luminous elements, an LED (light-emitting diode) driving unit, a microprogrammed control unit (MCU) and a storage; the LED (light-emitting diode) driving unit is used for driving the LED (light-emitting diode) luminous elements; the microprogrammed control unit (MCU) is used for controlling data communication and the luminescence of the LED (light-emitting diode) through the LED (light-emitting diode) driving unit; and the storage provides a demonstrating control identification signal to be received and read by the microprogrammed control unit (MCU).

The invention discloses a quality detection method for an LED (Light Emitting Diode) nixie tube. A host circuit board, the LED nixie tube and a double-path stabilized voltage power supply are included; the host circuit board comprises a microprocessor, eight common-cathode digit driver transistors, eight common-anode digit driver transistors, a common-cathode segment driver transistor, a common-anode segment driver transistor and eight LED nixie tube section current-limiting resistors; each section of the nixie tube is lighted circularly, if a certain section or more than two sections are simultaneously lighted, the microprocessor judges that the tube has an open circuit or short-circuit fault and sends out an audio instruction to stop a testing process; and if no audio instruction is sent out, an instruction is sent out to simultaneously switch on eight section switch-on loops, so that eight sections of the LED nixie tube are simultaneously lighted, and whether brightnesses of all sections are uniform and consistent is observed. The method has the advantages of convenience for manufacturing of the devices, low cost and high cost performance; and mass quality detection of the factory LED nixie tube can be effectively solved.

The invention provides a full-automatic photoelectric detection system for an LED nixie tube and a method thereof. The system is composed of an automatic feeding module, an automatic detection module, an automatic blanking module and a main control module. The automatic feeding module connected with the main control module is used for realizing automatic feeding of a measured LED nixie tube; the automatic detection module is used for realizing automatic photoelectric detection of the measured LED nixie tube and consists of a rotating platform, a transparent glass plate, a mechanical arm, a center module, an image acquisition module, an image processing module, an electrical property testing module, and a black box; and the automatic blanking module connected with the main control module is used for carrying out automatic sorting on detected LED nixie tubes. According to the invention, high-efficiency full-automatic testing of LED nixie tubes with different types can be realized; and the photoelectric performance detection of the LED nixie tube is accelerated and the detection accuracy is high.

The invention discloses a full intelligent energy-saving power supply changeover socket. The socket comprises a socket body and a circuit arranged inside the socket body, wherein the circuit comprises a switch power supply module, a power metering module, a master control module, a singlechip processing module, a relay control module, and a 4-bit nixie tube display module; the socket body is provided with the master control module and at least one controlled jack; the input end of the singlechip processing module is connected with the switch power supply module, the power metering module and the master control module; the output end of the singlechip processing module is connected with the relay control module and the 4-bit nixie tube display module; the master control module is connected with a master control jack of the socket body; and the relay control module is connected with the controlled jack of the socket body. The information acquired by the power metering module, the master control module and an infrared receiving module is analyzed by a singlechip so as to control the relay control module and drive the 4-bit nixie tube display module to display and alarm, so that the problems that the conventional socket has a single function and cannot save energy are solved.

The invention discloses a fluorescent-powder dispensing glue for a white-light SMD nixie tube and an application method thereof. The glue is prepared from the flowing raw materials: an epoxy resin main agent, an epoxy-resin hardener, a fluorescent powder, a diffusion powder and an anti-sedimentation powder with a mass ratio of (90-110):(90-110):(4-10):(5-11):(1-7). According to the fluorescent-powder dispensing glue for the white-light SMD nixie tube and the application method thereof, the adhesion degree of the glue is improved, the fluorescent powder mixed in epoxy resin is uniformly distributed and enables white light to be emitted uniformly, epoxy resin subjected to baking is relatively substantially improved in hardness compared with silica gel and is capable of protecting luminescent chips and a lead from being damaged by external force or temperature-difference stress; and the dispensing method enables color rendering of the nixie tube to be uniform and helps to substantially save the fluorescent powder.

The invention relates to a structure of an IGBT (insulated gate bipolar translator) inverter welding machine with two welding functions. The inner part of the welding machine is divided into left and right side layouts, wherein parts such as circuit boards, a cooling fan and the like are arranged at one side, and parts such as a wire feeding mechanism, an electric reactor and the like are arranged at the other side. One of the two circuit boards is a display and operation control panel, six nixie tubes and display control circuits thereof are designed on the display and operation control panel; the six nixie tubes and display control circuits thereof are divided into two groups which are respectively used for displaying current and voltage parameters; and a manual welding / gas-shield welding method conversion button, a gas-shield welding 2T / 4T welding gun switch operating mode selecting button, a voltage, current and wire feeding speed unit indicator lamp, an overheat indicator lamp as well as a current wire feeding speed, voltage and electronic electric reactor inductance parameter setting and regulating potentiometer are further arranged on the display and operation control panel; and electronic parts and components are arranged on both surfaces of the other large circuit board. According to the structure, the welding method is multifunctional, the problem that single-functional welding machine is narrow in application range is solved, and the circuit principle, the circuit boards and the integral structure of the welding machine are also unique.

The invention discloses an intelligent water dispenser. According to the intelligent water dispenser, a temperature sensor transmits a real-time water temperature signal to a temperature sensing controller, the real-time water temperature signal processed by the temperature sensing controller is then output to a nixie tube to be displayed, the temperature sensing controller is in signal connection with a main controller, the signal output end of the main controller is connected with a main switch, a relay and a heating unit in series and in sequence to form a heating control closed loop circuit, the main controller compares the received real-time water temperature signal with a set water temperature received by the main controller and input by a user, if the real-time water temperature is lower than the set water temperature, the main controller controls the relay to be started, the heating control closed loop circuit is made to be in the on-state, the heating unit starts to heat the water in the liner of the water dispenser, and if the real-time water temperature is not lower than the set water temperature, the main controller controls the relay to be shut down, and the heating unit stops heating the water in the liner of the water dispenser. According to the intelligent water dispenser, different requirements of the user can be met, energy waste can be effectively reduced through preference setting, the safety of using of the water dispenser can be guaranteed, and the service life of the water dispenser can be prolonged.

The invention discloses a reflecting wrist type heart rate meter. The reflecting wrist type heart rate meter comprises a microprocessor, a nixie tube, an LED flickering circuit, a light-emitting diode, a light source driving circuit, a reflected light receiving circuit, a low-pass amplifying circuit, a high-pass filtering circuit and a voltage comparison circuit. The microprocessor is an STC89C52 chip. The nixie tube is used for displaying the detected heart rate value. The reflected light receiving circuit, the low-pass amplifying circuit, the high-pass filtering circuit and the voltage comparison circuit are sequentially connected. The output end of the voltage comparison circuit is connected with an external interruption interface of the microprocessor. Each external interruption corresponds to one heartbeat. The microprocessor calculates the heart rate value based on the frequency of external interruptions within a preset T, and the heart rate value obtained by calculation is displayed on the nixie tube. Every time when one external interruption happens, the microprocessor controls an LED lamp in the LED flickering circuit to flicker one time. The reflecting wrist type heart rate meter is easy to operate and high in detection precision.

The invention provides an anti-theft automatic vending system, a delivery method and a testing method. The anti-theft automatic vending system comprises a master control module, an inventory display setting module, and a driving control module; the master control module comprises a master control CPU, a memorizer, a display screen, a network communication module, a keyboard and touch input equipment, and a bus interface circuit; the driving control module comprises a slave control CPU, a door control switch, a motor driving circuit, a commodity channel front-end key and a bus interface circuit; the bus interface circuit of the master control module communicates and connects with the bus interface circuit of the driving control module through the bus; the inventory display setting module comprises a mode key responsible for sales, inventory, testing signal conversion mode and a digital tube; and the inventory display setting module is connected with the slave control CPU. The anti-theftautomatic vending system is easy to implement and rich in function.

The invention discloses a control method for multi-digit LED nixie tubes, and relates to the electronic technology. The LED nixie tubes control segments (seg) and a common end (com) through a time division multiplex drive port; the segments (seg) are lightened circularly under the control of the common end (com) to display different contents; the multi-digit LED nixie tubes are N-digit L-segment parallelly-connected LED nixie tubes, including N nixie tubes; and each of the nixie tubes has the same segment number L. The control method is characterized in that S output drive ports are arranged; while N is a base number of a cycle, the N output drive ports sequentially control the common end (port), and the other output drive ports control the segments (seg); and N is the digit number of the nixie tubes, and S=N+L. The control method for the multi-digit LED nixie tubes can reduce the number of function output ports of the common end for the multi-digit LED nixie tubes, simplify circuit composition and reduce the design difficulty in control integrated circuits.

The invention provides a 220 V and 380 V double-power-source IGBT inversion multifunctional welding machine. Manual arc welding and MIG / MAG gas shielded welding can be performed. The welding machine can conduct simple argon arc welding through the manual welding function. The power source of the welding machine is 220 V or 380 V, single IGBT half-bridge inversion control is adopted, and the output rated current can reach the level of 200 A at 60% in the MIG / MAG gas shielded welding process and the level of 180 A at 60% in the MMA manual arc welding or TIG argon arc welding process. Six nixie tubes and display control circuits of the nixie tubes are arranged on a display and operation control panel. The nixie tubes and the display control circuits are divided into two groups which are used for displaying the current parameter and the voltage parameter respectively. A manual welding / gas shielded welding method conversion button, gas shielded welding 2T / 4T welding gun on-off operation mode selection buttons, unit indicator lamps for the voltage, the current and the wire feeding speed, an overheating indicator lamp and a potentiometer for setting and adjusting parameters of the current, the wire feeding speed and the voltage and the inductance parameter of an electronic electric reactor are further arranged. By the adoption of the welding machine, multiple welding methods and functions are provided, the problems that the single power source voltage is input and the application range of a singular-function welding machine is narrow are solved, and the circuit principle, circuit boards and the whole structure of the welding machine are designed to be unique.

The utility models relates to a fast temperature-rise intelligent controller for the leadless welding platform, of which the digital PID temperature-control is adopted via the one-board computer. The controller comprises a thermocouple amplifying circuit, a cold junction compensation circuit, a one-board computer, a temperature excursion and trouble detect circuit, a buzzer warning circuit, a relay, a relay driver circuit, a silicon controlled zero-cross trigger circuit, a LED nixie tube display circuit, a rectifying voltage regulator circuit and a keyboard entry circuit. The thermocouple amplifying circuit is composed of the resistances (R9 swung dash R12), a capacity (C4), and a operational circuit (IC2A); the cold junction compensation circuit consists of the resistances (R4 swung dash R8), a diode (D5) and a adjustable resistor (P1); the temperature excursion and trouble detect circuit is composed of the resistances (R13 swung dash R16), and a operational circuit(IC2B); the silicon controlled zero-cross trigger circuit is composed of the resistances (R21 swung dash R24), a silicon controlled optical coupler (IC4), a three-electrode tube (N4) and a silicon controlled rectifier (T) ; the LED nixie tube display circuit is composed of the resistances (R26 swung dash R35), the three-electrode tubes (N5 swung dash N7) and the nixie tubes (A1 swung dash A3).

The invention relates to an LED light source stability detector based on PLC control, which comprises a box body, a silicon photoelectric sensor, a conditioning circuit, a power source, an A / D converter, a connecting cable, a D / A converter, a PLC, seven segments of nixie tubes, a driving circuit and an LED light source, wherein the silicon photoelectric sensor is arranged on the box body, the silicon photoelectric sensor is connected with the conditioning circuit via conductors, the conditioning circuit is connected with the A / D converter, the electric current of the LED is regulated via detecting and analyzing the change of illumination intensity so as to realize the stability of illumination intensity, and the effectiveness of the experimental result is intuitively analyzed and judged and can be directly fed back and controlled via saving and displaying the experimental result. The invention can display the intensity change of the light source in a graphical form, and carries out real-time operation according to the change of illumination intensity, and the device has simple structure and is easy to control.

The invention provides platinum resistance temperature measuring equipment which comprises a constant current circuit, a filter circuit, a module A / D converter circuit, a single-chip, a light emitting diode nixie tube display circuit, a recommend standard 232 (RS232) interface circuit and a personal computer (PC) machine, wherein the constant current circuit comprises a first resistance, a sixth resistance, a first integrated circuit and a platinum resistor, the module A / D converter circuit comprises a module A / D converter, and the filter circuit comprises a second resistance, a second capacitance, a fifth resistance and a first capacitance. The invention further provides a temperature measuring method of the platinum resistance temperature measuring equipment. The platinum resistance temperature measuring equipment and the temperature measuring method of the platinum resistance temperature measuring equipment facilitates temperature calibration, is high in measurement accuracy, good in stability, simple in hardware structure, convenient to produce, and small in size, and facilitates miniaturization of products.

The invention provides a portable electronic technology experimental box. The portable electronic technology experimental box is small and exquisite in size, good in upgrading property, strong in compatibility and wide in usage. Besides, not only are needs of electronic technology fundamental experimental curricula met, but also the experimental box can be used as an experimental platform for student independent innovation practices, and the experimental box provides a good experimental environment for students to participate technological innovation and electronic design competitions. The portable electronic technology experimental box comprises a main board, two daughter boards, an experimental box body and a power supply module, wherein the main board comprises a nixie tube, a dial switch, an indicator light, a logic pen, a main switch, a direct voltage and a short circuit alarm, expansion wiring, an impulse signal source, a single impulse, a fixed resistor-capacitor, an alarm circuit, an A / D or D / A switch, a bread board and other modules. The two daughter boards are respectively a singlechip system board and a programmable system-on-chip board. The size of the singlechip system board is the same with the size of the bread board, thus the singlechip system board is convenient to dismantle and change. The introduction of the programmable system-on-chip board enables online programming to be realized, flexibility and convenience of the experimental box is strengthened, and the introduction of the two daughter boards enables the experimental box to upgrade to a high-performance singlechip system experimental box.

The invention relates to an intelligent optical control lamp system which comprises a single-chip microcomputer, a control keyboard and an infrared transmitting module. The input end of the single-chip microcomputer is connected with a brightness acquisition module, an automatic LED brightness adjusting module and an infrared receiving module. Signals are transmitted to the infrared transmitting module by pressing different keys on the control keyboard. The infrared transmitting module will transmit different binary pulse codes to the infrared receiving module. The infrared receiving module converts the received binary pulse codes into binary signals and transmits the binary signals to the single-chip microcomputer. The output end of the single-chip microcomputer is connected with a drive amplifying circuit module, a nixie tube display module and a work indicating lamp. The output end of the drive amplifying circuit module is connected with LED lamps, and the illumination intensity of the LED lamps is displayed through the nixie tube display module. According to the intelligent optical control lamp system, the brightness of the lamp can be adjusted automatically according to the intensity of light rays, the brightness of the lamp can be adjusted manually, and the illumination intensity can be displayed due to the fact that the intelligent optical control lamp system has a nixie tube display function.

The invention relates to a tension monitoring device for a cargo binding steel wire rope. The device comprises a piezoelectric trigger module, a tension measuring module and an alarm communication module, wherein the piezoelectric trigger module comprises a piezoelectric ceramic element and a piezoelectric trigger mainboard; the piezoelectric trigger mainboard comprises a power switch circuit, a signal processing circuit and a singlechip; the tension measuring module comprises a side-pressure tension sensor and a measuring mainboard; the measuring mainboard comprises a tension output circuit, a power switch circuit and a nixie tube for displaying; the alarm communication module comprises a communication mainboard, a wireless communication unit, an alarm unit and a general packet radio service (GPRS) for wireless communication; the communication mainboard comprises an interface circuit, a comparison controller and a safety value regulating circuit; the piezoelectric trigger module, the measuring main board, the alarm communication module and the battery are fixed in a protective shell; the shell is fixed on the side-pressure tension sensor; a piezoelectric ceramic element is attached to the side-pressure tension sensor and keeps contact with the steel wire rope during operation; and the device is clamped on the steel wire rope through the side-pressure tension sensor. The device has low energy consumption and high adaptability.

The invention relates to a diode point matrix / nixietube high thermal conduction reflecting cover and a packaging structure thereof; the reflecting cover is made of high thermal conduction material; the pixel hole bottom of the reflecting cover is provided with a bridge connection base which is integrated with the reflecting cover and used for fixedly mounting an LED chip; the bridge connection base is provided with wire-passing space for the wire tapping and passing-through of the LED chip; the LED chip is fixed on the top surface of the bridge connection base; the connected and tapped wires of two electrode terminals of the LED chip respectively pass through the wire-passing space and are electrically conducted with a circuit board; a transparent packaging body is affused in the pixel hole. The LED chip is directly arranged on the bridge connection base; heat energy generated by the chip is directly emitted and removed through the reflecting cover; the use current of the LED can be increased to improve the brightness of a display screen and ensure the high definition of the display screen; the mass effective space of the circuit board is released to ensure wiring space of the circuit board; a display pixel point pitch is reduced in order that the display screen has perfect high-definition and high-resolution, thereby solving the technical problem of a large visual angle of an outdoor display screen.

This invention relates to a drain abrupt without blind area breaker and its operation methods, which comprises single machine, zero current mutual inductance, drain signal amplifying circuit, power, drain electrical apparatus release and air breaker, wherein, the single machine operations are the following: first to initiate; second to measure the remain current range and phase angle; third to judge whether the remain current is more than the active value, and send out drain release order when it is; fourth to figure out the drain current; fifth to judge whether the drain current is more than active value, and send out drain release order when it is, wherein, this order activates the release operation to drive the air breaker to cur off fault circuit to get the drain abrupt without blind area protection.