566 results about "Nixie tube" patented technology

The utility model provides a nixie tube casing assembling device, which is used for hot melting assembling between a PCB (printed circuit board) and a nixie tube casing, and comprises a base, and a platform of the base is provided with the following devices: a horizontal transfer device, which comprises a first conveyor belt and a second conveyor belt which are parallel to each other and have a space gap, a detection position, an assembly position and a hot melting position are sequentially arranged in a space gap between the first conveying belt and the second conveying belt; the first feeding device is arranged at the front end of the horizontal transferring device and used for conveying the PCBs to the input end of the horizontal transferring device; the second feeding device is arranged on one side of the horizontal transferring device and used for conveying the nixie tube shell to the assembling position of the horizontal transferring device; the hot melting welding device is used for heating and pressurizing the nixie tube workpiece on the hot melting position, so that the nixie tube shell and the PCB are welded together in a hot melting mode. The full-automatic assembling and hot melting machine has the advantages that full automation of feeding, assembling and hot melting of the nixie tube shells and the PCBs is achieved, and the production efficiency of nixie tubes is greatly improved.

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 discloses an alignment laminating machine for processing a front control panel of a roller washing machine, belongs to the field of washing machine production processes, and solves the problem of poor display caused by inaccurate alignment between light-emitting elements such as a nixie tube and a light-transmitting through hole and a light-transmitting area. The lifting assembly drives the upper jig to move downwards, so that the backlight display module is attached to the light insulation sponge layer moving in place or the backlight display module attached with the light insulation sponge layer is attached to the panel body moving in place, the lower jig is provided with a lower positioning groove, and the lower positioning groove is in a long strip shape extending transversely. One end of the lower positioning groove in the length direction is open so that one part of the panel body can extend out of the lower positioning groove, and the other end of the lower positioning groove in the length direction is closed and used for positioning the light insulation sponge layer and the panel body. The utility model is mainly used for improving the alignment accuracy of light-emitting elements such as nixie tubes and the like with the light-transmitting through hole and the light-transmitting area, and effectively avoiding the condition of poor display.

The invention discloses a non-intrusive electronic scale supervision device and a working method thereof, and the device comprises a data collection module which is used for obtaining the weight, unit price and total amount data of an electronic scale, and the operation data of a user on a matrix keyboard of the electronic scale; the tamper-proof detection module is used for monitoring data transmission states of a nixie tube display tube, a matrix keyboard and a power supply of the electronic scale and a main control chip of the electronic scale so as to record dismounting behaviors; the data processing module is used for receiving data of the data acquisition module and the tamper-proof detection module and integrating the data into a data packet; the data storage module is used for storing the data packet according to the timestamp; the communication module is connected with the management platform and used for the management platform to retrieve the data packet. By implementing the device provided by the invention, the working data of the electronic scale can be recorded, tamper-proof monitoring is carried out from software and hardware levels, and the supervision efficiency of the electronic scale is improved.

The invention relates to the technical field of automatic control, in particular to a fault diagnosis method based on a PLC IO module. The method comprises the following steps: S1, observing the state of an indicator lamp on an IO module; s2, checking nixie tube display on the PLC CPU unit; s3, logging in a Web management interface of the PLC system, and searching a fault report part; s4, using IDE to open a fault diagnosis window to check fault information; and S5, determining a fault reason according to the collected information, and taking corresponding measures for repairing. And the working state of the module can be quickly known by observing an indicator lamp on the IO module. And a nixie tube on the CPU unit can display the system state and error codes in real time, so that technical personnel can be helped to know the system operation condition in time. Through a Web management interface, a technician can remotely access the PLC system, and fault diagnosis can be carried out without going to the site in person. Program codes and system settings can be deeply analyzed through the IDE, and potential software problems can be found.

The invention belongs to the technical field of mahjong scoring, and particularly relates to a mahjong scoring device which comprises a shell, user selection keys are arranged on the shell, score keys are arranged on the shell, a display screen is arranged on the shell, a circuit board is arranged in the shell, and a main control unit is arranged on the circuit board. The main control unit is respectively connected with the battery detection management unit, the nixie tube display unit, the key detection unit, the Bluetooth communication unit and the polymer lithium battery, and the battery detection management unit, the nixie tube display unit, the key detection unit, the Bluetooth communication unit and the polymer lithium battery are all arranged on the circuit board; according to the method, the user can easily add and subtract the score, and errors and omissions possibly caused by manual scoring are avoided.

The invention relates to the technical field of biomedical detection equipment, and provides a small noninvasive blood glucose detection system and method based on frequency shift and amplitude constraint, the small noninvasive blood glucose detection system and method based on frequency shift and amplitude constraint comprises a field programmable gate array (FPGA), a digital-to-analog converter (DAC) and a voltage-controlled oscillator (VCO), the system comprises a double-frequency complementary split-ring resonator (CSRR) sensor, a detector, an analog-to-digital converter (ADC), a liquid crystal display (LCD), a nixie tube and a power supply module for supplying power, after frequency sweeping is completed, the detector output voltage data stored in the RAM is converted into a power value through calculation, the amplitude of the transmission coefficient of the sensor is obtained according to an S21 parameter formula, and the FGPA controls a nixie tube to display the resonant frequency and the resonant depth of the sensor according to a key. The method is mainly applied to design and manufacturing occasions of medical equipment.

The embodiment of the invention provides a method, a system and equipment for positioning a fault memory bank and a medium, and relates to the field of fault positioning. The method comprises the steps that when processor memory training fails, a memory training result is obtained, the memory training result comprises a serial number of a memory slot position where a fault memory bank is located, and control signals for all nixie tubes are generated according to the serial number of the memory slot position where the fault memory bank is located; and controlling each nixie tube to display a character string used for representing the serial number of the memory slot position where the fault memory bank is located by using the control signal. By means of the method, a user can obtain the serial number of the memory slot position where the fault memory bank is located according to the information of the character string, the installation position of the fault memory bank is determined according to the serial number, the purpose of rapidly positioning the fault memory bank is achieved, the development and test efficiency of a server can be improved, display is visual, reminding is obvious, and the user experience is improved. And a user can conveniently use and carry out maintenance work on the memory bank in the server.

The utility model provides nixie tube automatic assembling equipment which comprises a machine base, and a machine base platform is provided with the following devices: an offcut removing device used for cutting offcuts of a PCB yoke plate; the first breaking device is used for breaking the PCB yoke plate into PCB battens; the second breaking device is used for breaking the PCB strip plate into the PCB single plates; the cleading device is used for assembling the PCB single board into the nixie tube shell; the testing device is used for electrical detection of the PCB single board; and the hot-pressing device is used for hot-pressing connection of the PCB single board and the nixie tube shell. The nixie tube automatic assembly equipment provided by the utility model realizes the trimming of a PCB yoke plate, the breaking of the PCB yoke plate into strip plates and single plates, the automatic detection of the PCB yoke plate, the casing of the PCB single plates and the hot-pressing connection of the PCB single plates, the equipment operation stability is good, the assembly work efficiency is high, and the production cost is reduced.

The invention belongs to the technical field of LED nixie tubes, and discloses an assembly type LED nixie tube plastic shell structure and an assembly method.The assembly type LED nixie tube plastic shell structure comprises a shell, a supporting frame, an LED module and a packaging pad are connected in the shell in a sleeved mode, a locking assembly is movably connected in the packaging pad in a sleeved mode, and the upper end of the locking assembly sequentially penetrates through the packaging pad, the LED module and the shell. According to the LED nixie tube, the interior and the exterior of the LED tube are communicated through cooperation of the communicating groove and the locking cover, internal heat dissipation is achieved through cooperation of natural convection of hot air in the LED nixie tube, open heat dissipation of the packaged LED nixie tube is achieved, the heat dissipation action is actively carried out in the internal high-temperature state, special operation is not needed, active heat dissipation is convenient and fast, and the service life of the LED nixie tube is prolonged. And meanwhile, the LED nixie tube is sealed again after the operation is stopped and the temperature is reduced by utilizing the condensation after the vaporized ethanol is cooled, so that the LED nixie tube is isolated from the outside, dust is prevented from entering the LED nixie tube, the LED nixie tube is turned on when the LED nixie tube is overheated, the actual heat dissipation effect is good, and the LED nixie tube has a certain dustproof capability and a good use effect.

The invention discloses a low-cost train operation control simulation system based on digital twinning and an SSA-DBO algorithm. The system is composed of hardware, software and a digital twinborn body. Firstly, a single chip microcomputer, a wireless communication module, a common cathode nixie tube, a yellow-green LED lamp, a motor driving module and the like are designed as hardware, and the modules form a physical entity; secondly, according to software design, input signals of a track circuit are monitored, and corresponding logic judgment and processing are carried out according to received information; and finally, the digital twin designs a virtual model based on a physical system, the virtual model comprises a train, a track, a sensor and other components, various state information of the physical system is collected in real time through a track circuit, the train sensor and the like of the solid model, the state information is uploaded to a server by utilizing the Internet of Things technology, and after data screening is carried out through an SSA-DBO algorithm, the state information of the physical system is obtained. The data and the model together drive the digital twin for monitoring, analysis, optimization, prediction and visualization.

The invention provides an elevator landing door lock state abnormity self-detection alarm device, which comprises each floor calling ladder system and a cable electrically connected with a subsystem, each floor calling ladder system comprises an outbound plate of an elevator and a landing door lock corresponding to a hall, each outbound plate is electrically connected with an auxiliary contact, and the auxiliary contact is a normally closed switch. According to the elevator landing door control system, the normally-closed auxiliary contacts are additionally arranged on the landing door of each floor, and the standby input BY of the outbound board is connected, so that on the premise that no extra hardware is added, only the auxiliary contacts need to be installed on the landing door, and the landing door can be connected with the elevator landing door through the standby input BY. Therefore, the fault landing door can be quickly distinguished and the fault information can be displayed on the nixie tube of the mainboard. When the lifting height of the elevator is high or the landing doors (or safety doors) are many, the hall of any landing door is not completely closed or the door is blocked to close the door due to the action of external wind power, field maintenance personnel can quickly judge through information of the main board, and troubleshooting layer by layer is not needed.

The invention discloses an intelligent recyclable material classification and recovery device under a low-carbon background and a method for integrating device use and user carbon emission reduction integral accumulation, and the intelligent recovery device is composed of a recyclable material recovery and storage part and a comprehensive intelligent part. The recoverable object recycling and storing part is composed of an upper top plate provided with a solar panel and a built-in storage battery, a front panel, a left side plate, a right side plate, a rear back plate, a fabric putting opening cover plate, a glass putting opening cover plate, a metal putting opening cover plate, a plastic putting opening cover plate, a paper putting opening cover plate, a second-hand object putting opening cover plate, a base with an elastic piece and a recoverable object overflow alarm. The comprehensive intelligent part is composed of a touch screen with a built-in camera, an LED nixie tube, an electronic scale, a recoverable object weighing table, a PLC intelligent storage processing control center and a storage cabinet with a goods shelf and an automatic object taking device; the intelligent recovery device is high in classification recovery efficiency, high in precision, compact in structure, capable of generating power through solar energy and being driven through green electricity, capable of achieving overflow alarm to maximize the space utilization rate of the box body, few in manpower, financial resources and material resources and high in efficiency; by using the method, the integration of intelligent classified putting and recycling of recoverable materials and calculation, accumulation and exchange of user carbon emission reduction points can be realized.

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.

1. The name of the product of this design: Function selection graphical user interface for ice making machine. 2. Purpose of this design product: used to run programs. 3. The design highlights of this appearance design product lie in the interface content of the graphical user interface on the screen. 4. The picture or photo that best illustrates the key points of the design: the main view of the interface of Design 1. 5. If there are no design highlights in other views, omit other views. 6. Designate Design 1 as the base design. 7. Purpose of the graphical user interface: The graphical interface displayed in the main view of the interface of Design 1 and Design 2 is the initial interface after the ice maker is powered on. Press the "switch button" once and the machine starts making ice. When the machine is working, press and hold the button for 2 seconds and the machine stops working. When the machine is making ice, the status light "Ice Making" lights up, and when the machine stops making ice, the "Ice Making" status light goes out. Press the "light button" on the right side of the "switch button" once and the light inside the machine lights up. Press the button again and the light goes out. When the machine is on standby, press the "reservation button" below the "light button" and then press the "+ / ‑" button to automatically turn on the machine after a few hours of reservation. When the machine is working, press the "reservation button" once and then press the "+ / ‑" button to automatically shut down the machine after a few hours of reservation. "+" is the time increase key, which increases the reservation time or ice-making time. The reservation time is in hours, and the ice-making time is in minutes; "-" is the time reduction key, which reduces the reservation time or ice-making time. The reservation time is in hours, and the ice-making time is in minutes; when the machine is on standby, press the "cleaning button" on the right side of the time reduction key, the machine will perform the automatic cleaning function, and the "cleaning" status light will light up at the same time. When the cleaning is completed, the "cleaning" status light will go out, and the machine will stop automatic cleaning; when the machine tank is short of water, the water shortage status light will light up; when the water level reaches the working height, the light will go out; when the machine has a fault such as overtemperature, the fault indicator light will light up, and if the fault is resolved, the light will go out; when the machine is in the defrosting state, the defrosting indicator light will light up, and the light will go out as soon as the defrosting action is completed; when the machine is in the defrosting state, the defrosting indicator light will light up, and the light will go out as soon as the defrosting action is completed; When the ice is full, the ice full indicator light will light up, and the light will go out when the machine resumes making ice after the ice is removed; when the machine is plugged in, the ambient temperature indicator light will show the ambient temperature of the machine's environment; when the reservation function is in effect, the digital tube displays the reservation time, and the "Reservation", "88" and "H" lights next to the digital tube will light up, and when the reservation time is over, the digital tube will not display the reservation time, and the "Reservation", "88" and "H" lights next to it will go out; when the machine is making ice, the digital tube displays the current ice-making time, and the "M" and "88" next to the digital tube will light up; when the machine is not making ice, the digital tube will not display the ice-making time, and the "M" and "88" next to it will go out; when the machine fails, the fault indicator light will light up, and the digital tube will display the corresponding fault code, represented by E1, E2... etc.

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 discloses an LED nixie tube with a waterproof edge, and belongs to the technical field of nixie tubes, the LED nixie tube comprises a nixie tube body, the nixie tube body comprises a bottom plate and a fixing frame, the bottom of the fixing frame is provided with a connecting groove, and the top of the bottom plate is fixedly connected with a connecting ring; the inner walls of the connecting grooves are in sliding fit with the connecting rings, a plurality of evenly-distributed and movable positioning plates are arranged outside the two ends of the fixing frame, a plurality of evenly-distributed positioning openings are formed in one ends of the positioning plates, and positioning grooves in one-to-one correspondence with the positioning openings are formed in the outer walls of the two ends of the fixing frame. The same positioning rod is connected between the inner wall of the positioning groove and the inner wall of the positioning opening through threads, limiting grooves in one-to-one correspondence with the positioning plates are formed in the two ends of the bottom plate correspondingly, and limiting blocks are slidably connected to the inner walls of the limiting grooves.

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 a simulation cabinet used for urban rail transit signaler training, the simulation cabinet comprises a board card, a simulation fault board, a simulation main control board and a backboard connector, the simulation main control board is installed on the simulation fault board, the board card comprises an LED lamp and a nixie tube, and the backboard connector is installed on the simulation main control board. The LED lamp and the nixie tube are connected with the simulation main control board through the simulation fault board, and the backboard connector is respectively connected with the board card and the simulation main control board through the simulation fault board. The simulation cabinet provided by the utility model supports fault injection, can simulate faults occurring on site, displays the fault types through the LED lamps and the nixie tubes, and improves the on-site maintenance and fault processing capabilities of signalers. The board card of the simulation cabinet supports plugging and unplugging, can simulate the process of repairing the board card by a signaler, detects the state of the board card and displays the state through the LED lamp, when the plugging and unplugging action is detected, the fault can be automatically recovered, and the simulation cabinet can be linked with a signal system, so that the scene restoration trueness is high.

The utility model discloses a circuit for controlling a multi-bit nixie tube based on an 8-bit shift register, and relates to the technical field of household appliances. Comprising an MCU control unit, a bit selection control unit, a segment selection control unit and a nixie tube control unit, the MCU control unit is connected with the bit selection control unit and the segment selection control unit, the bit selection control unit is connected with the segment selection control unit through a serial interface, and the output end of the bit selection control unit and the output end of the segment selection control unit are connected with the nixie tube control unit; an STM32F103RBT6 single chip microcomputer is adopted as the MCU control unit, and an STM32F103RBT6 single The bit selection control unit and the segment selection control unit are respectively provided with an SN74HCS05PWR chip; and the nixie tube control unit adopts an LDS-C32R (Low Definition Synthesizer). The circuit is reasonable in structural design, facilitates PCB layout and wiring, and is low in cost and high in practicability.

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 invention provides a priority scheduling method and system for a multi-mode man-machine interaction instruction, and relates to the technical field of man-machine interaction. Capacitance touch key detection is carried out based on the control unit, and an input key is determined; the brightness of an LED nixie tube and an LED lamp is controlled by adopting a PWM pulse technology, and dynamic display shadow elimination processing is carried out to obtain a display effect; and based on the priority scheduling strategy, performing data interaction with the display effect through keys to obtain an updated display effect. The technical problems that in the prior art, due to the fact that the touch key is high in mistaken touch rate and prone to being interfered by external light, the interaction accuracy is low, and the operation experience is poor are solved, and the technical effects of improving the touch detection accuracy, enhancing the interaction stability and optimizing the user experience are achieved.

The invention discloses an assembly line piston defective product limit response counter which comprises a cabinet body, a cabinet door, a hinge, a cabinet lock, an LED nixie tube, a power switch, a power indicator lamp, a warning lamp, a buzzer, a photoelectric switch and a limit value increasing and decreasing button. The working principle of the counter is that the limit response number of defective products is set by increasing or decreasing the limit value button. When serious defective products are placed in the left side cabinet body marked as serious defective products, the photoelectric switch can automatically trigger the counting function, and the number of the defective products is updated on the LED nixie tube in real time. When the number of the serious defective products in the left side cabinet body reaches the set limit response number, the warning lamp and the buzzer can be started at the same time to remind an operator to check the production condition of the assembly line in time so as to prevent continuous mass output of the defective products. According to the design, the step of manual counting is avoided, the production efficiency is improved, and the production quality is ensured.

The utility model discloses an LED nixie tube connecting mechanism which comprises a fixed supporting plate and an LED nixie tube body, the front face of the fixed supporting plate is fixedly connected with a protective cover, a first spring is inserted into the protective cover, the front face of the first spring is fixedly connected with a rubber pad, the front face of the rubber pad abuts against the LED nixie tube body, and the LED nixie tube body abuts against the front face of the rubber pad. The surface of the LED nixie tube body is sleeved with a fixing cover. The second springs push the limiting clamping blocks to be inserted into the limiting grooves formed in the surface of the buckle assembly, then the fixing cover can be limited, the two sets of limiting clamping blocks can be driven to move at the same time through the gears, the limiting clamping blocks are separated from the buckle assembly, and therefore rapid installation is achieved, and the installation efficiency is improved. And the threaded rod is rotated to push the rubber pad to move, and the rubber pad moves to limit the connecting port of the connecting line and the LED nixie tube body, so that the data line can be effectively prevented from falling off, and the practicability of the device is greatly 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 invention relates to the technical field of bus stations, in particular to a bus station line waiting people counting and prompting system. Comprising a station device and a vehicle-mounted device, wherein the intelligent control module receives a waiting signal of a corresponding bus route input by a waiting person through the operation keyboard, and displays the received and counted number of waiting persons and the corresponding bus route information through the nixie tube display screen and the dot matrix character display module; and the intelligent control module receives a zero clearing signal input by a driver through a zero clearing button and sent by the coding module and / or a door closing signal detected by a door inductive sensor switch and corresponding bus route information, and controls the number of waiting people of a bus route corresponding to the bus route information to be cleared. The problem that when a bus passes through a bus stop at present, the bus must stop at each stop due to the fact that whether a waiting person of the line exists at the stop or not cannot be accurately known, and time and resource waste is caused is solved.