159 results about "Nixie tube" patented technology

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 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 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.

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 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 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.

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.

1. The name of the design product: circuit board (74HC138 / 74HC595 drive nixie tube circuit 6.0). 2. The use of the design product: used in the field of electronic circuits, the purpose is nixie tube display, port expansion, teaching demonstration and project making. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: front view.

The utility model discloses a portable CD player with Type-C power supply, comprising a CD door cover assembly connected to a top shell; the top shell is provided with keys and a nixie tube display screen, a key display circuit board and a machine core are installed in the top shell, the machine core is provided with a CD disc, and the top shell is connected with a handle in a clamped mode through an installation hole; the bottom shell is matched with the top shell to form an outer shell of the player, a power supply master control circuit board is installed in the outer shell, and a battery bin assembly is arranged at the bottom of the outer shell; the sound components are arranged on two sides of the player and are electrically connected with the power supply main control circuit board; the power supply main control circuit board is provided with a Type-C interface and an audio interface; and the battery compartment assembly is electrically connected with the power supply main control circuit board. The portable CD player provided by the utility model solves the problems that the traditional portable CD player can only use alternating current, the battery power supply design is unreasonable, the tone quality is poor, the jump sound is generated, the CD door cover is inconvenient to open and close, and the keys are easy to operate mistakenly.

The embodiment of the utility model discloses a DC brushless motor PCBA test tool comprising a test board and a Hall detection board, the Hall detection board is integrated with a Hall detection circuit and a Hall interface, and the Hall detection circuit is electrically connected with the Hall interface. A main control chip circuit, a power supply circuit, a rotary encoder, a speed regulation terminal, a nixie tube and a reading interface correspondingly connected with the Hall interface are integrated on the test board, the speed regulation terminal is used for connecting the direct current brushless motor PCBA, and the main control chip circuit is electrically connected with the power supply circuit, the rotary encoder, the speed regulation terminal, the nixie tube and the reading interface. According to the utility model, the problems of manual operation time sequence and fatigue can be solved, and the test efficiency can be greatly improved.

The present application relates to the technical field of digital recognition, and particularly provides a nixie tube content recognition method and device, electronic equipment and storage medium, wherein the method comprises: acquiring a continuous video image sequence of a nixie tube, acquiring position information of a nixie tube character display segment according to a preset frame number by using a template matching algorithm; recognizing bright and dark states of the nixie tube character display segment by using a support vector machine (SVM); acquiring a brightness sequence unit of the nixie tube character display segment under the preset frame number according to a preset nixie tube arrangement mode; classifying the brightness sequence unit by using a deep learning method and outputting a recognition result; and the device comprises: a nixie tube and a PC terminal connected with the nixie tube, the nixie tube and the PC terminal are configured in an asynchronous state, and the PC terminal comprises: an acquisition module, a position recognition unit, a brightness recognition unit and a training module. The purpose is to solve the misrecognition problem caused by uneven brightness and defects in the nixie tube content recognition process.

The utility model relates to the technical field of subways, and discloses a subway platform gap safety confirmation auxiliary device which comprises a base, the top of the base is connected with a supporting seat in a sliding mode, the top of the supporting seat is fixedly connected with a metal frame, and the interior of the metal frame is connected with a platform door in a sliding mode. An operation control box is fixedly connected to one side of the outer portion of the metal frame, a nixie tube display screen is fixedly connected to the upper portion of the outer portion of the operation control box, a control assembly is arranged at the position, close to the middle, of the outer portion of the operation control box, and an acousto-optic buzzer is fixedly connected to the position, close to the lower portion, of the outer portion of the operation control box. According to the utility model, the safety confirmation function and the alarm prompt function of the gap between the train door and the platform door can be realized, the confirmation capability of a train driver on the gap between the train door and the platform door is enhanced, the operation of the driver is more effectively supervised and reminded, and the safety and the reliability of the door opening and closing operation are ensured.

The utility model relates to a jumper wire capable of realizing a hunting function through a single bus protocol. The jumper wire is composed of a master control wiring device, a jumper wire body and a slave control wiring device. The main control wiring device comprises a power supply, a main control MCU, a nixie tube, an LED lamp, a downloading interface and a debugging interface, and the nixie tube adopts a modularized nixie tube, communicates with the main control MCU through an I2C protocol and is controlled to display corresponding digits; the LED lamp adopts three groups of LED lamp beads which are directly connected with the main control MCU and are directly controlled to be turned on and off by pins of the main control MCU; the downloading interface adopts an SWD downloading mode; the debugging interface is connected with the main control MCU through a serial port; the slave control wiring device comprises a power supply and a slave control MCU, and the slave control MCU is electrically connected with the master control MCU through a single bus. The line tracking function is realized by internally integrating one line, and the rapid line tracking function of simultaneously triggering a plurality of lines is realized by using an intelligent module to realize the differences of light colors, lightening times and broken code screens through different key pressing times.

1. Name of the product in this design: Graphical User Interface for Controlling Range Hoods in Electronic Devices. 2. Purpose of this design: An electronic device. 3. The key design features of this product are the content of the graphical user interface on the screen. 4. The picture or photo that best illustrates the key design points: Design 1 front view. 5. Design 1 is designated as the basic design. 6. Purpose of the graphical user interface: Design 1 in the power-on state is the main view interface of Design 1; Design 1 in the power-off state is the interface change state diagram 1 of Design 1; clicking the "power button" to enter the standby state is the interface change state diagram 2 of Design 1. Design 2's power-on state is the main view interface of Design 2; Design 2's power-off state is the interface change state diagram 1 of Design 2; clicking the "Power button" to enter the standby state is the interface change state diagram 2 of Design 2; clicking the "Light button" to enter the lighting mode is the interface change state diagram 3 of Design 2. The power-on state of Design 3 is the main view interface of Design 3. The power-off state of Design 3 is the interface change state diagram 1 of Design 3. Clicking the "Power button" to enter the standby state is the interface change state diagram 2 of Design 3. Clicking the "Auto button" to enter the automatic cruise mode is the interface change state diagram 3 of Design 3. The power-on state of Design 4 is the main view interface of Design 4. The power-off state of Design 4 is shown in Figure 1 of the interface change diagram. Clicking the "Power Button" enters the standby state, as shown in Figure 2 of the interface change diagram of Design 4. Clicking the "Smart Odor Removal Button" enters the device preheating state, as shown in Figure 3 of the interface change diagram of Design 4. After preheating, if the air quality is detected as excellent / good, the fan will not run, as shown in Figure 4 of the interface change diagram of Design 4. If the air quality is detected as poor, the fan will run at a low speed, as shown in Figure 5 of the interface change diagram of Design 4. If the air quality is detected as very poor, the fan will run at a high speed, as shown in Figure 6 of the interface change diagram of Design 4. Design 5 is mainly used for the range hood's power on / off function. Design 5's power-on state is shown in its main view interface; its power-off state is shown in Figure 1; clicking the "Power button" enters standby mode, as shown in Figure 2. Design 6 is mainly used for the range hood's lighting function. Design 6's power-on state is shown in its main view interface; its power-off state is shown in Figure 1; clicking the "Power button" enters standby mode, as shown in Figure 2; clicking the "Light button" enters lighting mode, as shown in Figure 3. Design 7 is mainly used for the range hood's automatic function. Design 7's power-on state is shown in Figure 3. 7. Main view interface: Design 7 shows the power-off state (see Design 7 interface change state diagram 1). Clicking the "Power button" enters the standby state (see Design 7 interface change state diagram 2). Clicking the "Auto button" enters the automatic cruise mode (see Design 7 interface change state diagram 3). Design 8 is mainly used for the range hood's strong / weak function. Design 8 shows the power-on state (see Design 8 main view interface). Design 8 shows the power-off state (see Design 8 interface change state diagram 1). Clicking the "Power button" enters the standby state (see Design 8 interface change state diagram 2). Clicking the "Strong / Weak button" enters the strong mode (see Design 8 interface change state diagram 3). Clicking the "Strong / Weak button" again in the strong mode enters the weak mode. Design 8 Interface Change State Diagram 4; In low-power mode, clicking the "Power Button" puts the device into delayed shutdown state, as shown in Design 8 Interface Change State Diagram 5; The digital tube starts a 02:00 countdown, and when the countdown ends or the "Power Button" is clicked again, the device enters the shutdown state of Design 8, as shown in Design 8 Interface Change State Diagram 1; Design 9 is mainly used for the range hood's screen lock function. Design 9's power-on state is the main view interface of Design 9, and its shutdown state is shown in Design 9 Interface Change State Diagram 1. Clicking the "Power Button" enters the standby state, as shown in Design 9 Interface Change State Diagram 2, and clicking the "Lock Screen Button" enters the lock screen state, as shown in Design 9 Interface Change State Diagram 3; Design 10 is mainly... For the intelligent odor removal function for oil fume extraction, the interface is as follows: Design 10 in power-on state (main view); Design 10 in power-off state (interface change diagram 1); Clicking the "Power Button" enters standby state (interface change diagram 2); Clicking the "Intelligent Odor Removal Button" enters the device preheating state (interface change diagram 3); after preheating, if the air quality is detected as excellent / good, the fan will not run (interface change diagram 4); if the air quality is detected as poor, the fan will run at a low speed (interface change diagram 5); if the air quality is detected as extremely poor, the fan will run at a high speed (interface change diagram 6).

The utility model discloses an automatic pin shearing machine which comprises a rack, a pin shearing mechanism, a pin shearing mechanism, a pin shearing mechanism, a pin shearing mechanism and a pin shearing mechanism, and the rack is provided with a containing channel for nixie tubes to move; the vibrating disc is arranged on one side of the rack and is used for conveying the nixie tube to the accommodating channel; the blocking and pressing mechanism is arranged at the tail end of the accommodating channel and is provided with a liftable blocking piece; the shifting mechanism is arranged on one side of the blocking and pressing mechanism and provided with two sets of shifting forks which are symmetrically arranged, and a shifting area is formed between the two shifting forks; the transferring mechanism is connected with the shifting mechanism; the clamping and fixing mechanism is adjacent to the material shifting mechanism; and the shearing mechanism is arranged above the clamping and fixing mechanism and is used for shearing the pins of the nixie tube. According to the workpiece trimming device, a certain number of workpieces can be trimmed integrally, the trimming device is different from a traditional one-by-one trimming mode, efficiency is greatly improved, and the workpieces are trimmed neatly and are free of deformation, burrs and other defects.

This utility model discloses a digital tube PIN bending fixture, including a base, a lower cutter assembly, and an upper cutter. The base has a groove, in which the lower cutter assembly is slidably disposed; the upper cutter is disposed above the lower cutter assembly, and a first folding surface and a first inclined surface are provided below its fixing groove. The lower cutter assembly includes a fixing block, a first folding blade, and a second folding blade. The bottom surface of the first folding blade and the top surface of the second folding blade slide in cooperation, and the distance from the second folding surface to the fixing block is greater than the distance from the second inclined surface to the fixing block. This utility model achieves two precise bends of the PIN pin through the synergistic action of the first and second folding surface groups, and then completes a third fold by combining the guiding cooperation of the first and second inclined surfaces, forming a three-stage progressive bending, improving processing efficiency. The first folding blade makes priority contact to complete the initial bend, and the second folding blade intervenes after a delay to perform a second bend. This time-sharing action design effectively disperses bending stress, avoids PIN pin breakage, and significantly improves the product qualification rate.

The invention discloses a display control system and method based on human body induction and light intensity detection. The display control system comprises a main control module, a human body induction module, a light intensity detection module, a display driving module and a nixie tube display module. The human body induction module is electrically connected with the main control module, the light intensity detection module is in communication connection with the main control module, the display driving module is electrically connected with the main control module and the nixie tube display module, and the main control module is configured to respond to an effective induction signal output by the human body induction module and control the nixie tube display module to be converted into a working mode from a sleep mode; and the control module is used for acquiring environment illumination intensity data sent by the light intensity detection module, and controlling the nixie tube display module to display at different preset brightness levels according to different intensity intervals in which the environment illumination intensity data is located. According to the display control system, display closing in an unmanned state is realized to reduce energy consumption, and intelligent awakening is realized without manual operation.

The invention relates to the technical field of emergency starting control circuits, in particular to an emergency starting power supply intelligent protection clamp which comprises a controller body, a controller circuit board is arranged in a controller, an EC5 plug and a nixie tube are fixedly arranged on the side face of the controller, the nixie tube displays the circuit state, the EC5 plug is used for being connected with an emergency starting power supply, and the controller circuit board is connected with the controller body. And a storage battery anode clamp and a storage battery cathode clamp are arranged on the other side of the controller. According to the invention, an intelligent detection and display system comprising a single-chip microcomputer, a voltage acquisition circuit, a state identification circuit and a digital display is integrated in the controller, so that accurate measurement and digital display of the voltage of an emergency starting power supply and an automobile storage battery as well as visual code prompt of various types of faults are realized; a user can identify the condition of an emergency starting power supply or the condition of an automobile storage battery by means of the product provided by the utility model, extra detection equipment and support of professionals are not needed, and the user can operate by himself / herself by reading a specification and simply learning.