CN219143705U

CN219143705U - Double-row 10-bit common-cathode nixie tube display screen

Info

Publication number: CN219143705U
Application number: CN202222740112.3U
Authority: CN
Inventors: 邵进宝; 金万顺; 董成菠
Original assignee: Suzhou Julian Electric Co ltd
Current assignee: Suzhou Julian Electric Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-06-06
Anticipated expiration: 2032-10-18

Abstract

The application discloses a double-row 10-bit common-cathode nixie tube display screen, which comprises a base, a panel arranged on the base, a 10-bit nixie tube arranged on the panel and a control board arranged in the base; each digit tube comprises 8 sections of LED lamps, cathodes of each digit tube are connected, anodes of each digit tube at the same position are connected, and cathodes of each digit tube are connected and defined as a digit selection end; the control board comprises a drive IC, GRID 1-GRID 8 pins of the drive IC are respectively connected with a section selection end of the nixie tube, and SG 1-SG 10 pins of the drive IC are respectively connected with 10 bit position selection ends of the nixie tube; when the drive IC drives the nixie tube to light, the segment selection end of the nixie tube inputs high level, and the bit selection end of the nixie tube inputs low level. The double-row 10-bit common-cathode nixie tube display screen can reliably display double-row parameters and meets the use requirements.

Description

Double-row 10-bit common-cathode nixie tube display screen

Technical Field

The application relates to the technical field of LED display devices, in particular to a double-row 10-position common-cathode nixie tube display screen.

Background

The display screen of the common single-row nixie tube in the market has short digits and certain limitation, and in some industrial control occasions such as a stirrer monitoring system, two electrical parameters of output current and operating frequency need to be monitored simultaneously, and the traditional single-row nixie tube screen cannot display the required parameters together. At this time, two or more single-row nixie tube display screens are required to display these electrical parameters. When the single-row nixie tube display screen is adopted to display a plurality of rows, the number of pins required to be connected is doubled, which is unfavorable for placement of other components in PCBLayout, so that a nixie tube display screen capable of displaying at least two electrical parameters is needed.

Disclosure of Invention

The purpose of the application is to provide a double-row 10-bit common-cathode nixie tube display screen, so as to solve the problem that the single-row nixie tube display screen in the prior art provided in the background art cannot meet double-row parameter display.

In order to achieve the above purpose, the present application discloses the following technical solutions: a double-row 10-bit common-cathode nixie tube display screen comprises a base, a panel arranged on the base, a 10-bit nixie tube arranged on the panel and a control panel arranged in the base; each digit tube comprises 8 sections of LED lamps, cathodes of each digit tube are connected, anodes of each digit tube at the same position are connected, and cathodes of each digit tube are connected and defined as a digit selection end; the control board comprises a drive IC, GRID 1-GRID 8 pins of the drive IC are respectively connected with a section selection end of the nixie tube, and SG 1-SG 10 pins of the drive IC are respectively connected with 10 bit position selection ends of the nixie tube; when the drive IC drives the nixie tube to light, the segment selection end of the nixie tube inputs high level, and the bit selection end of the nixie tube inputs low level.

Preferably, a current limiting resistor is connected between the SG 1-SG 10 pins of the driving IC and the bit selection end of the 10-bit nixie tube.

Preferably, the driving IC is of a model TM1629A.

The beneficial effects are that: the double-row 10-bit common-cathode nixie tube display screen comprises 10-bit nixie tubes, each nixie tube comprises 8 LED lamps, and an LED cathode in each nixie tube is connected and then LED out of a bit selection end. The driving IC controls the on-off combination of the LED lamps to display the needed information. The utility model discloses a total 18 pins on the 10 bit charactron have been used, simultaneously, the distribution setting of 8 about 18 pins adoption, the condition of the anti-fashionable dress of charactron display screen plug-in components has been stopped through asymmetric pin distribution, simultaneously, two rows of pins left side alignment from top to bottom for it is convenient to align when the plug-in components. The current limiting resistor is added between the drive IC and the bit selection end of the nixie tube, so that the problem that the LED is burnt out due to overlarge current flowing through the nixie tube can be prevented. The double-row 10-bit common-cathode nixie tube display screen realizes the display requirements for various display parameters, has small pin use quantity, does not influence the placement of other electrical elements, and has higher practicability.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural diagram of a display screen of a double-row 10-bit common-cathode nixie tube in an embodiment of the present application;

FIG. 2 is a circuit diagram of a 10-bit nixie tube connection in an embodiment of the present application;

fig. 3 is a pin diagram of a driving IC according to an embodiment of the present application.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the present disclosure, it should be noted that, furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Standard parts used in the application document can be purchased from the market, and can be customized according to the description of the specification and the drawings. Unless specifically stated and limited otherwise, it will be apparent to those of ordinary skill in the art that the terms "mounted," "connected," and "connected" are used herein in a specific sense, and that machines, components, and equipment may be of any type conventionally known in the art, without being expressly limited thereto.

In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.

Examples

The double-row 10-bit common-cathode nixie tube display screen shown in reference to FIG. 1 comprises a base, a panel arranged on the base, a 10-bit nixie tube arranged on the panel and a control panel arranged in the base. The base refers to a mounting structure of a display screen of the nixie tube, and can be, but not limited to, a shell structure. The panel can be any structure used for installing the nixie tube in the prior art, such as an acrylic plate and the like.

Referring to fig. 1 and 2, each digital tube includes 8 sections of LED lamps, cathodes of each digital tube are connected, anodes of each digital tube at the same position are connected, and cathodes of each digital tube are connected and defined as a bit selection end. In practical application, the total 18 pins used in all the pins of the nixie tube are sequentially arranged from left to right and from top to bottom as shown in fig. 1. Each field has a height of 10.2mm and a width of 5.8mm, and forms an included angle of 8 degrees with the vertical direction, so that the field is more comfortable and attractive for a long time. It is feasible that the four corners of the back of the display screen are provided with bulges, so that the display screen has supporting function, can protect the back integration of the nixie tube during DIP, avoid friction with a PCB, has the size length of 48.5mm, the width of 32mm and the thickest part of 7mm, has the thinnest part of 6mm, and can be used in environments with strict DIP size requirements.

As shown in fig. 3, the control board includes a driving IC, and it is possible that the chips of the driving IC with the types TM1629A and TM1629A can drive 8-segment and 16-bit nixie tube screens, and support driving the display screen formed by the 8-segment and 10-bit nixie tube provided in the embodiment. Pins GRID1 to GRID8 of the drive IC are respectively connected with the segment selection end of the nixie tube, and pins SG1 to SG10 of the drive IC are respectively connected with the bit selection end of the 10-bit nixie tube. When the drive IC drives the nixie tube to light, the segment selection end of the nixie tube inputs high level, and the bit selection end of the nixie tube inputs low level.

As a preferable implementation mode, a current limiting resistor is connected between SG 1-SG 10 pins of the drive IC and a bit selection end of the 10-bit nixie tube, and the current limiting resistor can effectively prevent the occurrence of the problem of burning out LEDs caused by overlarge current flowing through a display screen of the nixie tube.

Working principle: when the anode of the LED inputs high level and the cathode inputs low level, the LED is lightened, namely when the drive IC drives the nixie tube to lighten, the section selection end of the nixie tube inputs high level, and the position selection end of the nixie tube inputs low level, so that the corresponding nixie tube can display the number required to be displayed through the corresponding LED, and the drive IC controls the on-off combination of the LED lamp, thereby displaying the required information.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present application, and although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, and any modifications, equivalents, improvements or changes that fall within the spirit and principles of the present application are intended to be included in the scope of protection of the present application.

Claims

1. A double-row 10-bit common-cathode nixie tube display screen comprises a base, a panel arranged on the base, a 10-bit nixie tube arranged on the panel and a control panel arranged in the base; the digital tube is characterized in that each digital tube comprises 8 sections of LED lamps, cathodes of each digital tube are connected, anodes of each digital tube at the same position are connected, and cathodes of each digital tube are connected and defined as a bit selection end; the control board comprises a drive IC, GRID 1-GRID 8 pins of the drive IC are respectively connected with a section selection end of the nixie tube, and SG 1-SG 10 pins of the drive IC are respectively connected with 10 bit position selection ends of the nixie tube; when the drive IC drives the nixie tube to light, the segment selection end of the nixie tube inputs high level, and the bit selection end of the nixie tube inputs low level.

2. The display screen of the double-row 10-bit common-cathode nixie tube according to claim 1, wherein a current limiting resistor is connected between SG 1-SG 10 pins of the driving IC and a bit selection end of the 10-bit nixie tube.

3. The dual-row 10-bit co-cathode digital tube display screen of claim 1, wherein the driver IC is model TM1629A.