284 results about "Nixie tube" patented technology

The invention discloses a food safety pretreatment and detection device and method, and relates to the technical field of food detection.The device comprises a box body, a control module, a pretreatment module and an ATP biological fluorescence detector, the control module is integrated on the box body, and the pretreatment module is integrated on the box body; the control module comprises a microcomputer control system, a visual operation panel, a nixie tube display and a key regulator; the pretreatment module comprises a concentrator for purging and concentrating a sample, a centrifugal machine for separating the sample, a uniform mixing instrument for uniformly mixing the sample and a water bath kettle for performing constant-temperature incubation on the sample; the ATP biological fluorescence detector is integrated in the box body and is used for carrying out microbial pollution detection on the food contact surface; the control module is suitable for adjusting and controlling operation parameters through the key adjuster when any unit in the concentrator, the centrifugal machine, the blending instrument or the water bath kettle operates, and the operation parameters are displayed on the visual operation panel in real time. The invention further provides a detection method, and on-site, rapid and intelligent food safety detection is achieved.

The utility model relates to a phase change thermo-acoustic engine experimental device which comprises a thermo-acoustic conversion system and an acoustic-electric conversion system. The thermo-acoustic conversion system comprises a sound production module and a Helmholtz resonant cavity, a ceramic plate stack soaked with water exists in the sound production module, and the stable temperature difference needed for generating the thermo-acoustic effect at the two ends of the ceramic plate stack is reduced. Sound waves generated by the thermoacoustic effect form standing waves in the Helmholtz resonant cavity, and the sound intensity is amplified; the acoustic-electric conversion system comprises piezoelectric ceramics and a triode common-emitter amplification circuit, the piezoelectric ceramics are arranged at the tail end of the resonant cavity and convert acoustic energy into electric energy, and the electric energy is amplified by the triode common-emitter amplification circuit and then drives a nixie tube to display. The experimental device integrates thermodynamics, fluid mechanics, acoustics, material science and electronic technology, has the characteristics of simple structure, low cost, rich physical process and strong exploration, is suitable for experimental teaching, particularly suitable for new engineering teaching requirements, and is beneficial to improving the multidisciplinary cross practice ability of students.

The utility model discloses a combined nixie tube in the technical field of nixie tubes, which comprises a nixie tube body and a trapezoidal block, one side of the nixie tube body is provided with the trapezoidal block, the trapezoidal block is fixedly connected with the nixie tube body, the surface of the trapezoidal block is sleeved with a trapezoidal groove, and the trapezoidal block is slidably connected with the trapezoidal groove. A storage groove is formed in one end of the trapezoid block in an embedded mode, a first spring is arranged in the storage groove and fixedly connected with the storage groove, a buckle is arranged in the storage groove and slidably connected with the storage groove, a clamping groove is formed in one end of the trapezoid groove, and the buckle and the clamping groove are fixed in a clamped mode. According to the nixie tube convenient to install, by arranging the trapezoidal block, the trapezoidal groove, the storage groove, the first spring, the buckle and the clamping groove, convenience is provided for installation of the nixie tube, fixation can be completed only by inserting the trapezoidal block into the trapezoidal groove and clamping the buckle into the clamping groove, disassembly can be completed only by pressing the buckle during disassembly, and operation is simple and rapid.

The utility model discloses an LED nixie tube storage and arrangement device which comprises an installation box and a plurality of LED nixie tube bodies, the top of the installation box is connected with a cover plate through a hinge, sliding grooves are formed in the inner walls of the two sides of the installation box, two partition plates are connected between the two sliding grooves in a sliding mode, first rubber pads are bonded to the two sides of the partition plates, and the first rubber pads are connected with the first rubber pads in a sliding mode. Mounting plates are fixedly connected among the inner walls of the multiple sides of the mounting box, a plurality of positioning holes are formed in the top of each mounting plate, mounting rods are inserted into the positioning holes, mounting rings are fixedly connected to the circumferential outer walls of the mounting rods, first clamping plates are fixedly connected to the circumferential outer walls of the mounting rings, and the circumferential outer walls of the mounting rods are slidably sleeved with sliding rings. The mounting rods are inserted into the positioning holes, so that the distance between the two mounting rods is adjusted according to the lengths of the LED nixie tube bodies, the LED nixie tube bodies with different lengths can be fixed conveniently, and the LED nixie tubes with different specifications can be stored conveniently.

The utility model discloses a fluorine leakage detector which comprises an MCU (Microprogrammed Control Unit) main control chip module, and the chip model of the MCU main control chip module is SC92F7413X28U; the MCU main control chip module is connected with the nixie tube module; the MCU main control chip module is connected with the UV ultraviolet lamp module; the MCU main control chip module is connected with a power supply module, and a charging management chip U1 is arranged in the power supply module; the MCU main control chip module is connected with the lighting module; the MCU main control chip module is connected with the voltage output enabling module, a DC-DC voltage reduction conversion chip is arranged in the voltage output enabling module, and the voltage output enabling module is connected with the key module; the MCU main control chip module is connected with a sensor module, and an operational amplifier U5 is arranged in the sensor module; the MCU main control chip module is connected with the battery voltage detection module; and the MCU main control chip module is connected with the key module, the passive buzzer driving module and the fan control module.

The utility model provides a display structure, nixie tube and electronic equipment, wherein the display structure of the embodiment of the utility model comprises a circuit board and a luminous chip, the luminous chip is arranged on the circuit board, the luminous chip is connected with the circuit board through a metal wire, the surface of the metal wire is sequentially packaged with a first adhesive layer and a second adhesive layer, and the first adhesive layer and the second adhesive layer are arranged on the circuit board. The curing shrinkage rate of the first adhesive layer is smaller than that of the second adhesive layer. According to the display structure provided by the embodiment of the utility model, the first adhesive layer and the second adhesive layer are sequentially packaged on the surface of the metal wire, and the curing shrinkage rate of the first adhesive layer is set to be smaller than that of the second adhesive layer, so that the internal stress generated by the first adhesive layer in the packaging and curing process of the metal wire is smaller; therefore, the problem that a metal wire used for connecting the light-emitting chip and the circuit board is snapped by the first adhesive layer can be avoided.

The invention relates to the technical field of battery capacity testing, and discloses a lead-acid battery capacity testing system, which comprises a hardware platform and a software module, and is characterized in that the hardware platform comprises a single chip microcomputer, an ADC detection circuit, a nixie tube display module, a discharge control circuit, a key input module, a cooling fan and a current expansion interface; the software module runs on the single chip microcomputer, is based on an embedded operating system, and is configured to acquire a voltage signal and a current signal of the lead-acid battery in real time through the ADC detection circuit; and calculating the battery capacity by adopting a current integration method based on the current signal, and judging a discharge cut-off point based on the voltage signal. Through deep cooperation of a hardware platform and a software module, accurate and automatic testing of the capacity of the lead-acid battery is achieved, a current integration method is adopted as a core calculation principle, discharging cut-off judgment is carried out in combination with a voltage signal, and the accuracy and reliability of a capacity testing result are ensured.

The utility model relates to the technical field of outdoor air-conditioning suit power supplies, in particular to a wide-voltage power supply of an outdoor air-conditioning suit. The utility model relates to a wide-voltage power supply, which comprises an input interface, an output interface, a boost-buck circuit, a plurality of strings of battery packs, an MCU, an LED nixie tube and the like, the input interface receives 30W charging of an external adapter, the output interface comprises a DC port output 40W and a USB-A port output 12W, stable output in a wide voltage range is realized through the boost-buck circuit, the plurality of strings of battery packs provide stable power supply, and the power supply is stable. The MCU controls the working state and voltage regulation, and the LED nixie tube displays the electric quantity and the output voltage. In addition, the circuit also comprises a main key, a voltage increase key and a voltage decrease key which are used for switching on / off and adjusting the output voltage, and is provided with various protection functions, such as overcurrent protection, overvoltage protection, short-circuit protection and the like. The power supply has the characteristics of high efficiency and low standby power consumption, and the use experience of the outdoor air conditioning suit can be effectively improved.

The embodiment of the application provides a kind of output board card passage and input board card passage test method, medium and product, it is related to board card test technical field;Output channel of output board card and input channel of input board card are electrically connected, the processor of output board card, by determining channel test data, and then according to channel test data, channel test signal is input to the multiple output channels of output board card;The processor of input board card, by reading input channel state;Input channel state is the channel state of the multiple input channels corresponding to the multiple output channels of output board card in input board card;And then according to input channel state, drive the nixie tube display channel test result of input board card;Wherein, channel test result is used to indicate whether multiple output channels and corresponding multiple input channels exist fault.

The utility model discloses a hidden type LED nixie tube display device, including nixie tube PCB, nixie tube structural member, printing face film panel, printing plexiglass panel, above -mentioned structure is arranged from top to bottom in proper order, is provided with the LED lamp of digital form on nixie tube PCB, is set up with the hole on nixie tube structural member, the hole corresponds with the LED lamp of digital form, the printing face film panel is pasted in the lower end of printing plexiglass panel, when the device implementation, the printing plexiglass panel bottom is pasted on the structural member of printing face film panel, because the reason of plexiglass printing panel, the nixie tube is not seen pattern and number when not lighting, only the number and pattern will show only after lighting, thereby when nixie tube PCB is not lighting, is not seen the number, pattern below, more beautiful, and plexiglass printing panel can also carry out the protection to nixie tube PCB, avoids the damage of accidental touch or dust falling on it.

The utility model belongs to the technical field of electronic display, and particularly relates to an integrated nixie tube displayer which comprises a nixie tube, an installation body and a PCB which are sequentially arranged, the installation body comprises a base and a connecting sleeve, the bottom of the nixie tube is embedded in one side of the base, an extending tube is arranged on the other side of the base, and the connecting sleeve is connected with the extending tube. The PCB is connected with the interior of the extension tube in an inserted mode and electrically connected with the nixie tube, connecting threads are arranged on the outer portion of the extension tube, and the connecting sleeve is connected with the extension tube in a matched mode through the connecting threads. According to the nixie tube display, the unit nixie tubes, the mounting main body and the PCB are integrated into a whole, so that independent mounting of a single nixie tube is realized, additional devices are not needed, when a multi-bit nixie tube is needed, a plurality of nixie tubes can be arranged on equipment, the arrangement is flexible and is not limited, and when a certain bit nixie tube needs to be replaced, the operation is convenient. And the device only needs to be simply disassembled for replacement, and multiple positions do not need to be disassembled and replaced.

The utility model belongs to the technical field of kitchen appliances, and particularly relates to a food processor with a compact structure, which comprises a main machine with a built-in motor, a smashing device driven by the motor and a cup body, a circuit board is further arranged in the main machine, a nixie tube and a touch spring are fixed on the circuit board, and the touch spring is sleeved on the periphery of the nixie tube. The host is provided with a mounting hole and a display screen fixed in the mounting hole, the display screen is correspondingly arranged on the outer side of the nixie tube and the outer side of the touch spring, and the outer end of the touch spring abuts against the display screen. According to the utility model, the nixie tube has the characteristics of emitting light and displaying digits, the spring is touched to trigger the circuit board so as to drive the nixie tube to emit light, the display screen clearly displays countdown digits or forward timing digits, a lampshade structure can be omitted, a display structure in the host is simplified, and the cost of the whole machine is reduced; as the touch spring is sleeved on the periphery of the nixie tube, the structure is compact, and the miniaturization of the host is further realized.

The utility model discloses a device for detecting the electrification of a low-voltage wire harness of a battery, which comprises a first shell, a circuit board is fixedly connected in the first shell, the circuit board is electrically connected with a voltage detection circuit module, and the voltage detection circuit module is electrically connected with a protection circuit module, a jointing clamp, an LED nixie tube, a power supply and a switch. The protection circuit module is electrically connected with a wiring terminal, the power supply is fixedly connected in the first shell, the power supply is electrically connected with the switch, and the switch is fixedly connected to the first shell; a plurality of supporting columns are uniformly distributed at the bottom end of the circuit board, the supporting columns are fixedly connected into the first shell, a plurality of first screws are installed on the circuit board, and the first screws are in threaded connection with the supporting columns; according to the utility model, whether the wire harness is in a live-line state can be identified in advance in actual operation, so that whether wiring errors exist can be detected, and therefore, line short circuit can be effectively prevented, and economic loss caused by the line short circuit can be avoided.

The invention relates to the technical field of image recognition, and discloses a gas concentration recognition system and method, a robot, electronic equipment and a readable storage medium, and the system comprises an image ROI extraction unit which is used for intercepting a digital display area from a scene image; an image correction unit for providing a standardized image; the illumination normalization and binarization unit is used for separating a digital region from a background region through adaptive threshold processing and morphological operation to generate a binary image; and the nixie tube segmentation and identification unit is used for outputting a gas concentration value after digital decoding. In the scheme, the digital display area of the gas monitoring instrument is accurately intercepted through the image ROI extraction unit, and irrelevant background interference is reduced; the problem of image inclination caused by shooting angle deviation is solved through the image correction unit; efficient separation of a digital region and a background is realized through an illumination normalization and binarization unit; features are extracted through a nixie tube segmentation and identification unit and required sensor readings are generated.

The utility model discloses hearing aid technical field is related, specifically related to a kind of nixie tube control circuit and hearing aid.The utility model is applied to the charging bin of hearing aid, and the circuit includes LED light module, drive output module, power output module and main control module;Through the collaborative control of main control module and drive output module, and the multiple LED tube common pole connection design of LED light module, the problems, such as many in traditional scheme GPIO resource occupation, circuit complexity and low space utilization, are solved, with the advantages of compact structure, save GPIO resource, reduce circuit complexity and improve reliability.

The controller comprises a body, the top of the body is provided with a first mounting groove for mounting a display screen, the body is provided with breakable connecting strips corresponding to the two sides of the first mounting groove, the edges of the connecting strips are provided with connecting points connected with the body, the connecting points are distributed at intervals, and the connecting strips are connected with the body. A second mounting groove is formed between the opposite connecting strips, the area of the second mounting groove is smaller than that of the first mounting groove, the connecting strips which can be relatively broken are designed at the first mounting groove, a nixie tube display screen with a small size can be directly matched with the second mounting groove, and when a liquid crystal display screen with a large size needs to be mounted, the nixie tube display screen can be conveniently mounted. The connecting strip can be disassembled only by vertically pressing the connecting strip to break the connecting point, at the moment, the first mounting groove is formed in the body and used for mounting and adapting the liquid crystal display screen, one shell can be suitable for mounting display screens of two specifications in actual production, better universality is achieved, one mold can be formed, and the production cost is reduced.

The utility model relates to a multifunctional incoming material inspection device which comprises a tool plate and a power supply module arranged on the tool plate, and a plurality of test modules are detachably installed on the tool plate. The test module comprises an optocoupler test module, a nixie tube test module, an LED lamp test module, a buzzer test module, a cable test module, a panel test module, a power supply chip test module, a digital-to-analog converter test module, an analog-to-digital converter test module, an operational amplifier test module and a chip function integration test module. Compared with the prior art, the system has the advantages of being good in expansibility, high in integration level, simple to operate, capable of improving efficiency and the like.

The utility model discloses a clamping tool for LED nixie tube processing, which comprises a lower clamping seat, an upper clamping seat is arranged above the lower clamping seat, and the middle of the bottom end of the upper clamping seat and the middle of the top end of the lower clamping seat are respectively provided with a clamping groove. The LED nixie tube clamp has the advantages that a quick locking assembly composed of the sliding hole, the first spring, the limiting hole, the pulling plate, the limiting column and the sliding column is installed between the upper clamping base and the lower clamping base, after an LED nixie tube is placed in the clamping groove in the lower clamping base, the upper clamping base can be pressed on the upper side of the nixie tube under the action of the pressing handle, meanwhile, the pulling plate is loosened, and the nixie tube can be locked. The limiting column is inserted into the limiting hole in the sliding column under the action of the first spring, so that quick locking and limiting of the upper clamping seat and the lower clamping seat are achieved, and due to the fact that quick locking and locking of the upper clamping seat and the lower clamping seat are achieved in a sliding and pulling mode in the locking and limiting mode, the tedious operation of repeatedly screwing a bolt for locking is omitted, and the locking efficiency is improved. And the clamping and fixing efficiency of the nixie tube during machining is improved.

The present invention proposes a zero-position calibration device and calibration method for an airborne radar servo system, comprising a sensing part and a processing and display part. The sensing part adopts a high-precision six-axis attitude sensor as a main component to realize real-time acquisition of attitude; the processing and display part mainly comprises three parts: an MCU, a power supply part, and a data display part, and adopts Arduino open source hardware as a main control chip to realize data processing and analysis; the interactive display part mainly comprises three LED digital tubes to display the measured angle information in real time. The present invention overcomes the shortcomings of high difficulty and high professional requirements in zero-position determination, and designs a convenient device for zero-position calibration of an airborne radar servo system. The present invention adopts four six-axis attitude sensors, combined with the structural characteristics of the flat-plate crack antenna itself, to perform three-degree-of-freedom zero-position calibration, thereby ensuring the accuracy of zero-point positioning and antenna detection.

This invention discloses an automatic measurement and control method, device, and computer equipment for a dry-type transformer temperature controller. The method includes: S1, setting the parameters of the measurement and control module according to the model and requirements of the temperature controller to be tested; S2, powering on the temperature controller and confirming that all indicator lights and digital tubes are lit, and starting the measurement and control module for automatic testing; S3, testing all communication lines; if communication is successful, proceed to step S4; S4, calibrating the temperature controller; if all calibrations pass, proceed to step S5; otherwise, directly proceed to step S6 at the calibration failure point; S5, power-off detection and deleting test records; S6, outputting test results. This invention improves detection accuracy through multi-stage closed-loop calibration, while also enabling rapid fault location, adaptability to batch testing, significantly reducing human error, and improving testing efficiency.

The utility model provides an instrument with adjustable backlight brightness, which comprises an instrument shell, the instrument shell comprises an instrument body and a display screen, the display screen is arranged on the instrument body, a brightness adjusting module is arranged in the instrument body, and the brightness adjusting module comprises an adjusting circuit, a power supply circuit and an indication icon circuit. The power supply circuit is used for supplying power to the adjusting circuit, the indication icon circuit and the instrument shell, the adjusting circuit is further connected with the indication icon circuit, and the indication icon circuit is used for displaying indication icons of the instrument shell. The utility model has the beneficial effects that the backlight brightness of the instrument can be adjusted, specifically, simple backlight of a nixie tube instrument and a liquid crystal instrument is realized, a controllable shunting path is added, two-stage adjustment of the brightness of the instrument is realized, light is not dazzling during riding at night, the riding safety at night is improved, and the display content of the instrument can be clearly seen in the daytime.

The utility model relates to the technical field of nixie tube wires, and discloses a nixie tube wire which comprises a base, two sets of supporting plates are installed on one side of the top end of the base, a winding reel is rotatably installed between the two sets of supporting plates, and a wire body is wound on the surface of the winding reel. The nixie tube wire comprises a base, a winding reel is arranged at the top end of the base, a straightening mechanism used for straightening a wire body is arranged on the side, away from the winding reel, of the top end of the base, and a limiting assembly used for limiting the wire body is arranged at the top end of the base. According to the utility model, the lead body is arranged, so that the bent lead body can be better pressed to be straight, the lead body is more convenient to use, the connection between the nixie tube and a power supply or a driving circuit is not easily influenced, in addition, the lead body can be limited during paying off by arranging the limiting assembly, and the lead body can be better prevented from moving back and forth.

The utility model provides an egg shaking promotion machine which comprises a machine body, the machine body is of a six-face structure and comprises a door plate part arranged in the vertical direction, a control panel part is arranged in the middle of the door plate part, and a rotating disc position is arranged in the middle of the control panel part; the turntable position is provided with four nixie tube positions along the width direction of the door plate part, and the four nixie tube positions are respectively and oppositely arranged on two sides of the turntable position in pairs. According to the promotion machine capable of visually displaying the game rules, structural expansion can be conveniently carried out in the promotion machine according to needs, and the promotion machine is reasonable in functional part design, clear in display and convenient to use.

The utility model discloses a portable digital electronic pocket practice box, which is characterized in that a box body comprises a lower box body and an upper cover body, a lifting base is arranged in an accommodating cavity of the lower box body, a lifting assembly is connected above the lifting base, a bearing frame is arranged above the lifting assembly, an integral substrate is connected above the bearing frame, and the integral substrate is arranged above the lifting assembly. A 14-pin chip area, a nixie tube display area, a 16-pin chip area, a common cathode LED area, a high-low level output area, a non-polar capacitor area, a polar capacitor area, a coarse tuning potentiometer area, a microphone area, an expansion area, an active buzzer area, an adjustable non-polar capacitor area, a fixed value resistor area, a power supply area, a fine tuning potentiometer area, a CP pulse area and an 8-pin chip area are integrated on the substrate. According to the utility model, a plurality of types of component modules are integrated on one substrate, and a pin plugging mode and a natural ventilation heat dissipation structure are adopted, so that a more concentrated and light portable structure is optimized.

The intelligent electric meter comprises an electric meter body and a housing, and the electric meter body comprises a power supply module, a measurement module, a master control module, a data storage module, an LED display module, a voice broadcast module, a communication module and an induction module. The measurement module, the data storage module, the LED display module, the voice broadcast module and the induction module are respectively connected with an I / O interface of the main control module, the communication module is electrically connected with the main control module, the power supply module provides required voltage for each module, a high-brightness LED luminous nixie tube is arranged in the LED display module, a voice broadcast circuit and a loudspeaker are arranged in the voice broadcast module, and the induction module is electrically connected with the main control module. The induction module comprises a signal receiver used for receiving remote control signals, the signal receiver is electrically connected with the LED display module and the voice broadcast module through the main control module, a display lamp used for displaying the state of the induction module is arranged on the shell, and the display lamp is electrically connected with the signal receiver. By adopting the technical scheme, a user can conveniently obtain the indication of the electricity meter, and the use is convenient.

The utility model discloses glue filling equipment for an LED (Light Emitting Diode) nixie tube. The glue filling equipment for the LED nixie tube comprises a heating mechanism and a glue filling mechanism, the glue filling mechanism is located in the heating mechanism, the glue filling mechanism comprises a glue container and a glue outlet pipe, the glue outlet pipe is located on one side of the glue container, the heating mechanism comprises a shell, a rotating rod is arranged at one end of the shell, the rotating rod is rotationally connected with a door, and the door is connected with the heating mechanism. Heating walls are arranged on the two sides in the shell, a cavity is formed in the connecting position of each heating wall and the shell, a heater is arranged in each cavity, a plurality of holes are formed in one side of each heating wall, and the heaters dissipate heat through the holes. The risk that the nixie tube circuit is damaged due to the fact that glue cannot be cured is reduced.

The utility model relates to the technical field of control development boards, in particular to a C language teaching development board based on a microcontroller technology, and aims to closely combine C language teaching with hardware development so as to overcome the limitation of C language teaching in a traditional computer software environment. The development board comprises a power supply module, a microcontroller module, an LED module, a key module, a USB-UART module, a nixie tube module, a rotary encoder module, an EEPROM module and a temperature sensor module. Through the modules, students can learn how to use the C language to perform programming control on hardware in practice, so that understanding of a hardware-software interaction mechanism is deepened. In addition, the development board further supports teaching of communication protocols such as SPI and IIC, serial port communication between the development board and a computer is allowed, and program debugging and data exchange are facilitated. According to the utility model, not only is the teaching effect of C language improved, but also the opportunity of practical practice is provided for students, and the combination of theoretical knowledge and practical application is promoted.

1. Name of the designed product: controller (edge width measurement). 2. Use of the designed product: for width measurement of film, real-time display of width of large screen digital tube. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The invention provides an intelligent early warning device for a dangerous area. The intelligent early warning device comprises a nixie tube display module, a sound-light alarm module, a vibration sensing module, a human body sensing module, a key module, a reset circuit and a crystal oscillation circuit which are connected with an STC89C51 single chip microcomputer. The STC89C51 single-chip microcomputer serves as a control core to detect whether infrared heat energy generated by human body radiation or vibration generated by human body actions exists in a defense area or not, the signal processing integrated circuits of the human body induction module and the vibration induction module process received signals and then transmit the signals to the STC89C51 single-chip microcomputer, the single-chip microcomputer conducts intelligent control, and the human body induction module and the vibration induction module are connected with the STC89C51 single-chip microcomputer. And the sound-light alarm module is started for field alarm. The anti-theft alarm device is arranged in dangerous area channels, important equipment and other areas with potential safety hazards, or is used for anti-theft alarm of warehouse doors and windows. Infrared and vibration signals in a working area can be monitored in real time, and manpower and material resources are saved.