CN110444137A - A kind of multidigit nixie tube display driver circuit and its control method - Google Patents
A kind of multidigit nixie tube display driver circuit and its control method Download PDFInfo
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- CN110444137A CN110444137A CN201910755088.0A CN201910755088A CN110444137A CN 110444137 A CN110444137 A CN 110444137A CN 201910755088 A CN201910755088 A CN 201910755088A CN 110444137 A CN110444137 A CN 110444137A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
- G09G3/06—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources
- G09G3/12—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions using controlled light sources using electroluminescent elements
- G09G3/14—Semiconductor devices, e.g. diodes
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Abstract
The invention discloses a kind of multidigit nixie tube display driver circuits, control unit and digital pipe unit are selected including serioparallel exchange unit, position, the number pipe unit and institute's rheme selected control unit are connect with the serioparallel exchange unit, and the number pipe unit is connect with institute's rheme selected control unit；It is connected between the serioparallel exchange unit and bus control unit by universal serial bus.The invention also discloses a kind of multidigit nixie tubes to show drive control method.Multidigit nixie tube display driver circuit of the invention, simplifies circuit, reduces driving circuit electric current.
Description
Technical field
The present invention relates to numeral method fields, more particularly to a kind of multidigit nixie tube display driver circuit and its control
Method.
Background technique
Numeral method device is widely applied in engine monitoring field, is mainly used for showing engine operating parameter and shape
State.In practical applications, according to engine actual parameter how much, charactron up to tens are differed, it is generally the case that charactron
Display independent design is driven at a component by master control borad MCU (Microcontroller Unit, micro-control unit),
Since charactron quantity is more, serial shift static drive mode is generally mostly used, i.e. each charactron configures a control core
Piece, each charactron synchronization are lighted, it is therefore desirable to and system provides a high-current supply, increases the difficulty of wiring,
And it is unfavorable for cost control.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide a kind of simplified circuit,
Reduce the multidigit nixie tube display driver circuit and its control method of driving circuit electric current.
To achieve the above object, the present invention provides a kind of multidigit nixie tube display driver circuits, including serioparallel exchange list
Member, position select control unit and digital pipe unit, the number pipe unit and institute's rheme selected control unit with the serioparallel exchange
Unit connection, the number pipe unit are connect with institute's rheme selected control unit；The serioparallel exchange unit and bus control unit it
Between pass through universal serial bus connect.
Preferably, the bus control unit is SPI bus controller, the universal serial bus is spi bus.
Preferably, the serioparallel exchange unit includes (n+1) that is arranged successively a deserializer；N >=1, n are whole
Number；The serial data output terminal of each deserializer connects the serial data input of next deserializer；Institute
Sequence in serioparallel exchange unit is stated to connect in the serial data output terminal of the first deserializer with the universal serial bus；Each
The clock signal and enable signal of the deserializer are connect with the universal serial bus；
(n+1) a deserializer includes first deserializer and n the second deserializers；Described
The output end of one deserializer is connect with the input terminal of institute's rheme selected control unit；The number pipe unit includes n number
Pipe combination；N second deserializers are combined with the n charactrons and are connected one to one.
Connect preferably, the output end of second deserializer and the charactron group close each segment encode input port
It connects；It is respectively the first segment encode input port, the second segment encode input port, third that the charactron group, which closes each segment encode input port,
Segment encode input port, the 4th segment encode input port, the 5th segment encode input port, the 6th segment encode input port, seven segment code input
Port and the 8th segment encode input port；
The charactron combination includes multiple charactrons, and each charactron includes the first segment encode port, second segment
Code port, third segment encode port, the 4th segment encode port, the 5th segment encode port, the 6th segment encode port, seven segment code port and the 8th
Segment encode port；First segment encode port of each charactron is connect with the first segment encode input port；Each number
Second segment encode port of code pipe is connect with the second segment encode input port；The third segment encode port of each charactron is equal
It is connect with the third segment encode input port；4th segment encode port of each charactron with the 4th segment encode input terminal
Mouth connection；5th segment encode port of each charactron is connect with the 5th segment encode input port；Each number
6th segment encode port of pipe is connect with the 6th segment encode input port；The seven segment code port of each charactron with
The seven segment code input port connection；8th segment encode port of each charactron with the 8th segment encode input port
Connection.
Preferably, institute's rheme selected control unit includes multiple triodes；The base stage of each triode passes through resistance
It is connect with first deserializer；The emitter of each triode is respectively connected with power supply；
Each charactron combination includes multiple public ports, each charactron and the public affairs that each charactron group is closed
Port connection altogether；Each public port that each charactron group is closed is respectively connected with the triode and the current collection with the triode
Pole connection.
Preferably, the number pipe unit includes three charactron combinations；The serioparallel exchange unit includes three
Second deserializer, each charactron combination includes group of four figures pipe and four public ports；Four institutes
Stating public port is respectively the first common end port, the second common end port, third common end port and the 4th common end port；
Three charactron combinations are respectively the combination of the first charactron, the combination of the second charactron and third charactron group
It closes；The first charactron combination includes the first charactron, the second charactron, third charactron and the 4th charactron；Described
The combination of two charactrons includes the 5th charactron, the 6th charactron, the 7th charactron and the 8th charactron；The third charactron group
Close includes the 9th charactron, ten code pipe, the 11st charactron and the 12nd charactron；
First charactron, second charactron, the third charactron and the 4th charactron are successively distinguished
The first common end, the second common end, third common end and the 4th common end closed with the first charactron group correspond
Connection；5th charactron, the 6th charactron, the 7th charactron and the 8th charactron successively respectively with institute
The first common end, the second common end, third common end and the 4th common end that the second charactron group is closed is stated to connect one to one；
9th charactron, the ten code pipe, the 11st charactron and the 12nd charactron successively respectively with institute
The first common end, the second common end, third common end and the 4th common end that third charactron group is closed is stated to connect one to one；
The segment encode port of first charactron combination, second charactron combination and third charactron combination with
Three the second deserializers connect one to one.
Preferably, institute's rheme selected control unit includes four triodes, four triodes are respectively the first triode, second
Triode, third triode and the 4th triode；The collector of first triode combines first public with each charactron
End connection；The second common end connection that the collector of second triode is combined with each charactron；The third triode
The third common end connection that collector is combined with each charactron；The collector of 4th triode combined with each charactron
The connection of four common ends.
The present invention also provides a kind of multidigit nixie tubes to show drive control method, comprising the following steps:
S11) Digitron display driver circuit obtains serial signal from universal serial bus, and serial signal is converted to a selected control system
The parallel control signal of signal and section code control signal；
S12) Digitron display driver circuit lights digital pipe unit according to position selected control signal and section code control signal.
Preferably, the Nixie tube drive circuit includes above-mentioned multidigit nixie tube display driver circuit.
Preferably, the Nixie tube drive circuit includes above-mentioned multidigit nixie tube display driver circuit；In step S12)
In, specifically includes the following steps:
S22) the first deserializer exports first selected control signal by the conducting of the first triode of control with to each number
The first common end input power that code pipe group is closed；The first charactron, the 5th number are lighted according to first group of parallel control signal
Pipe, the 9th charactron；
S23) the first deserializer output second selected control signal is by control the second triode conducting with to each number
The second common end input power that code pipe group is closed；The second charactron, the 6th number are lighted according to second group of parallel control signal
Pipe, ten code pipe；
S24) the first deserializer output third position selected control signal is by control third triode conducting with to each number
The third common end input power that code pipe group is closed；Third charactron, the 7th number are lighted according to third group parallel control signal
Pipe, the 11st charactron；
S25) the first deserializer exports the 4th selected control signal by control the 4th triode conducting with to each number
The 4th common end input power that code pipe group is closed；The 4th charactron, the 8th number are lighted according to the 4th group of parallel control signal
Pipe, the 12nd charactron.
The beneficial effects of the present invention are: multidigit nixie tube display driver circuit of the invention, using the dynamic of serial shift
Charactron driving, the control of charactron position and segment encode control can effectively simplify circuit, reduce driving by a serial bus control
Electric current is conducive to Product Cost Control and simplifies board design.
Detailed description of the invention
Fig. 1 is the flow chart of embodiment of the invention multidigit nixie tube display driving.
Fig. 2 is the structural schematic diagram of one multidigit nixie tube display driver circuit of the specific embodiment of the invention.
Fig. 3 is the structural schematic diagram of two multidigit nixie tube display driver circuit of the specific embodiment of the invention.
Fig. 4 is the structural schematic diagram of three multidigit nixie tube display driver circuit of the specific embodiment of the invention.
Fig. 5 is the structural schematic diagram of multidigit nixie tube display driver circuit signal waveform schematic diagram in Fig. 3.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
As shown in Figure 1, a kind of multidigit nixie tube shows drive control method, comprising the following steps:
S11) Digitron display driver circuit obtains serial signal from universal serial bus, and serial signal is converted to a selected control system
The parallel control signal of signal and section code control signal；
S12) Digitron display driver circuit lights digital pipe unit according to position selected control signal and section code control signal.
In step S12), specifically includes the following steps:
S22) the first deserializer 211 export first selected control signal by the first triode Q1 of control conducting with to
The first common end COM1 input power that each charactron group is closed；The first charactron is lighted according to first group of parallel control signal
2311, the 5th charactron 2321, the 9th charactron 2331；
S23) the first deserializer 211 output second selected control signal by control the second triode Q2 conducting with to
The second common end COM2 input power that each charactron group is closed；The second charactron is lighted according to second group of parallel control signal
2312, the 6th charactron 2322, ten code pipe 2332；
S24) the first deserializer 211 output third position selected control signal by control third triode Q3 conducting with to
The third common end COM3 input power that each charactron group is closed；Third charactron is lighted according to third group parallel control signal
2313, the 7th charactron 2323, the 11st charactron 2333；
S25) the first deserializer 211 export the 4th selected control signal by the 4th triode Q4 of control conducting with to
The 4th common end COM4 input power that each charactron group is closed；The 4th charactron is lighted according to the 4th group of parallel control signal
2314, the 8th charactron 2324, the 12nd charactron 2334.
As shown in Figure 2 and Figure 4, using numeral method driving control method to multidigit nixie tube display driver circuit into
Row control, the multidigit nixie tube display driver circuit include that control unit 22 and digital pipe unit are selected in serioparallel exchange unit 21, position
23, digital pipe unit 23 and position select control unit 22 to connect with serioparallel exchange unit 21, digital pipe unit 23 and position selected control system
Unit 22 connects；It is connected between serioparallel exchange unit 21 and bus control unit 241 by universal serial bus 5.
In the present embodiment, bus control unit 241 is SPI bus controller, and universal serial bus 5 is spi bus.Bus marco
Device 241 is arranged on master control borad 24.
Serial signal is obtained by SPI universal serial bus by serioparallel exchange unit 21, and serial signal is converted to parallel
Signal is controlled, parallel control signal includes position selected control signal and section code control signal；Select control unit 22 for charactron in position
Position selected control system obtains position selected control signal from serioparallel exchange unit 21, according to position selected control signal, opens charactron common end electricity
Source.Digital pipe unit 23 obtains a section code control signal from serioparallel exchange unit 21, and Cong Weixuan control unit 22 obtains common end electricity
Source, to light the charactron in digital pipe unit 23.
In the present embodiment, serioparallel exchange unit 21 includes n+1 deserializers being arranged successively；N >=1, n are whole
Number；The serial data output terminal SO of each deserializer connects the serial data input SI of next deserializer；String
And it sorts in converting unit 21 and is connect in the serial data output terminal SI of the first deserializer with universal serial bus 5；Each string
And the clock signal SCK and enable signal SS of converter are connect with universal serial bus 5；Wherein, it is arranged in serioparallel exchange unit 21
The serial data output terminal SO of the last deserializer of sequence is idle.
N+1 deserializer includes first deserializer 211 and n the second deserializers 212；First string
And the output end of converter 211 selects the input terminal of control unit 22 to connect with position；Digital pipe unit 23 includes n charactron combination
1a；N the second deserializers 212 combine 1a with n charactron and connect one to one.In the present embodiment, it first goes here and there and turns
Parallel operation 211 is to sort in serioparallel exchange unit 21 in the first deserializer.In other embodiments, the first deserializer
211 be sequence in simultaneously converting unit 21 between last or head and the tail.
In the present embodiment, the output end of the second deserializer 212 combines each segment encode input port on 1a with charactron
Connection；Each segment encode input port is respectively the first segment encode input port a, the second segment encode input port b, the on charactron combination 1a
Three segment encode input port c, the 4th segment encode input port d, the 5th segment encode input port e, the 6th segment encode input port f, the 7th section
Code input port g and the 8th segment encode input port dp；
It includes multiple charactron 101a that charactron, which combines 1a, and each charactron 101a includes the first segment encode port, second
Segment encode port, third segment encode port, the 4th segment encode port, the 5th segment encode port, the 6th segment encode port, seven segment code port and
Eight segment encode ports；The first segment encode port of each charactron 101a is connect with the first segment encode input port a；Each charactron
The second segment encode port of 101a is connect with the second segment encode input port b；The third segment encode port of each charactron 101a with
Third segment encode input port c connection；The 4th segment encode port of each charactron 101a is connect with the 4th segment encode input port d；
The 5th segment encode port of each charactron 101a is connect with the 5th segment encode input port e；The 6th section of each charactron 101a
Code port is connect with the 6th segment encode input port f；The seven segment code port of each charactron 101a is inputted with seven segment code
Port g connection；The 8th segment encode port of each charactron 101a is connect with the 8th segment encode input port dp.
In the present embodiment, it includes multiple triodes that control unit 22 is selected in position；The base stage of each triode passes through resistance
It is connect with the first deserializer 211；The emitter of each triode is respectively connected with power supply；
Each charactron combination 1a includes multiple public ports, each charactron 101a and public affairs on each charactron combination 1a
Port connection altogether；Each public port on each charactron combination 1a is respectively connected with triode and connects with the collector of triode
It connects.
In the present embodiment, digital pipe unit 23 includes that three charactrons combine 1a；Serioparallel exchange unit 21 includes three
Second deserializer 212, each charactron combination 1a includes group of four figures pipe 101a and four public ports；Four common ends
Mouth is respectively the first common end port COM1, the second common end port COM2, third common end port COM3 and the 4th common end
Port COM4；
Three charactron combination 1a are respectively that the first charactron combines the 231, second charactron combination 232 and third charactron
Combination 233；First charactron combination 231 includes the first charactron 2311, the second charactron 2312, third charactron 2313 and the
Four charactrons 2314；Second charactron combination 232 includes the 5th charactron 2321, the 6th charactron 2322, the 7th charactron
2323 and the 8th charactron 2324；Third charactron combination 233 includes the 9th charactron 2331, ten code pipe the 2332, the tenth
One charactron 2333 and the 12nd charactron 2334；
First charactron 2311, the second charactron 2312, third charactron 2313 and the 4th charactron 2314 are successively distinguished
The first common end COM1, the second common end COM2, the third common end COM3 and the 4th combined on 231 with the first charactron is public
End COM4 connects one to one；5th charactron 2321, the 6th charactron 2322, the 7th charactron 2323 and the 8th charactron
2324 successively combine the first common end COM1, the second common end COM2, third common end on 232 with the second charactron respectively
COM3 and the 4th common end COM4 connect one to one；9th charactron 2331, ten code pipe 2332, the 11st charactron
2333 and the 12nd charactron 2334 successively combines the first common end COM1 on 233, second public with third charactron respectively
End COM2, third common end COM3 and the 4th common end COM4 connect one to one.
First charactron combines the segment encode port and three of the 231, second charactron combination 232 and third charactron combination 233
A second deserializer 212 connects one to one.
In the present embodiment, position select control unit include four triodes, four triodes be respectively the first triode Q1,
Second triode Q2, third triode Q3 and the 4th triode Q4；The collector of first triode Q1 combines 1a with each charactron
The first common end COM1 connection；The second common end COM2 that the collector of second triode Q2 combines 1a with each charactron connects
It connects；The collector of third triode Q3 combines the third common end COM3 connection of 1a with each charactron；The collection of 4th triode Q4
Electrode combines the 4th common end COM4 connection of 1a with each charactron.
It further includes first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4 that control unit 22 is selected in position.First
The base stage of triode Q1 is connect by first resistor R1 with deserializer 211, the emitter and power supply VCC of the first triode Q1
Connection, the collector of the first triode Q1 are connect with the first common end COM1 of digital pipe unit 23；The base of second triode Q2
Pole is connect by second resistance R2 with deserializer 211, and the emitter of the second triode Q2 is connect with power supply VCC, and the two or three
The collector of pole pipe Q2 is connect with the second common end COM2 of digital pipe unit 23；The base stage of third transistor Q3 passes through third electricity
Resistance R3 is connect with deserializer 211, and the emitter of third transistor Q3 is connect with power supply VCC, the current collection of third transistor Q3
Pole is connect with the third common end COM3 of digital pipe unit 23；The base stage of 4th triode Q4 is by the 4th resistance R4 and goes here and there and turns
Parallel operation 211 connects, and the emitter of the 4th triode Q4 is connect with power supply VCC, the collector and charactron list of the 4th triode Q4
4th common end COM4 connection of member 23.
As shown in figure 5, and combine Fig. 3 and Fig. 2 to analyze, t1 to t4 be one it is digital manage the period processed, each control week
In phase, serioparallel exchange unit exports four groups of parallel control signals DATA1, DATA2, DATA3, DATA4, every group of parallel control signal
Include 32 parallel-by-bit signals, wherein DATA [24:31] is position selected control signal, and DATA [16:23] is the combination of the first charactron
231 sections of code control signals, DATA [15:8] are that the second charactron combines 232 sections of code control signals, and DATA [7:0] is that third is digital
Pipe combines 233 sections of code control signals.In four groups of parallel control signals DATA1, DATA2, DATA3, DATA4, DATA1 is charactron
2311, the parallel control signal of charactron 2321, charactron 2331, DATA2 are charactron 2312, charactron 2322, charactron
2332 parallel control signal, DATA3 are the parallel control signal of charactron 2313, charactron 2323, charactron 2333,
DATA4 is the parallel control signal of charactron 2314, charactron 2324, charactron 2334.
Within the t1 time, position selected control signal DATA [24] is low level in first group of parallel control signal DATA1, remaining
Position selected control signal is high level, and the first triode Q1 is connected, and charactron the first common end COM1 and power supply VCC are connected, simultaneously
DATA [0:23] refreshes the segment encode port of charactron, the first charactron 2311, the 5th charactron 2321 and the 9th charactron 2331
It lights.
Within the t2 time, position selected control signal DATA [25] is low level in second group of parallel control signal DATA2, remaining
Position selected control signal is high level, and the second triode Q2 is connected, and the second common end COM2 and power supply VCC of charactron are connected, together
When DATA [0:23] refresh charactron segment encode port, the second charactron 2312, the 6th charactron 2322 and ten code pipe
2332 light.
Within the t3 time, position selected control signal DATA [26] is low level in third group parallel control signal DATA3, remaining
Position selected control signal is high level, and third transistor Q3 is connected, and charactron third common end COM3 and power supply VCC are connected, simultaneously
DATA [0:23] refreshes the segment encode port of charactron, third charactron 2313, the 7th charactron 2323 and the 11st charactron
2333 light.
Within the t4 time, position selected control signal DATA [27] is low level in the 4th group of parallel control signal DATA4, remaining
Position selected control signal is high level, and the 4th triode Q4 is connected, and the 4th common end COM4 of charactron and power supply VCC are connected, simultaneously
DATA [0:23] refreshes the segment encode port of charactron, the 4th charactron 2314, the 8th charactron 2324 and the 12nd charactron
2334 light.First charactron combines the 231, second charactron combination 232 and the group of four figures pipe of third charactron combination 233 is handed over
For lighting.When the time alternately lighted being less than the suspenopsia time of human eye, the charactron observed is considered one by human eye
It rises and lights.
Multidigit nixie tube display driver circuit of the invention is driven using the dynamic numeral method of serial shift, digital
Pipe position selected control system and segment encode control can effectively be simplified circuit, be reduced driving current, be conducive to produce by a serial bus control
Product cost control and simplified board design.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of multidigit nixie tube display driver circuit, it is characterized in that: selecting control unit including serioparallel exchange unit (21), position
(22) and digital pipe unit (23), the number pipe unit (23) and institute's rheme selected control unit (22) with the serioparallel exchange
Unit (21) connection, the number pipe unit (23) connect with institute's rheme selected control unit (22)；The serioparallel exchange unit
(21) it is connect between bus control unit (241) by universal serial bus.
2. multidigit nixie tube display driver circuit as described in claim 1, it is characterized in that: the bus control unit (241) is
SPI bus controller, the universal serial bus (5) are spi bus.
3. multidigit nixie tube display driver circuit as described in claim 1, it is characterized in that: the serioparallel exchange unit (21) is wrapped
Include a deserializer of (n+1) being arranged successively；N >=1, n are integer；The serial data output terminal of each deserializer
(SO) serial data input (SI) of next deserializer is connected；Sequence exists in the serioparallel exchange unit (21)
The serial data output terminal (SI) of the first deserializer is connect with the universal serial bus (5)；Each deserializer
Clock signal (SCK) and enable signal (SS) connect with the universal serial bus (5)；
(n+1) a deserializer includes first deserializer (211) and n the second deserializers (212)；
The output end of first deserializer (211) is connect with the input terminal of institute's rheme selected control unit (22)；The charactron
Unit (23) includes n charactron combination (1a)；N second deserializers (212) are combined with the n charactrons
(1a) connects one to one.
4. multidigit nixie tube display driver circuit as claimed in claim 2, it is characterized in that: second deserializer
(212) output end combines each segment encode input port connection on (1a) with the charactron；It is each on the charactron combination (1a)
Segment encode input port is respectively the first segment encode input port (a), the second segment encode input port (b), third segment encode input port
(c), the 4th segment encode input port (d), the 5th segment encode input port (e), the 6th segment encode input port (f), seven segment code input
Port (g) and the 8th segment encode input port (dp)；
The charactron combination (1a) includes multiple charactrons (101a), and each charactron (101a) includes the first segment encode
Port, the second segment encode port, third segment encode port, the 4th segment encode port, the 5th segment encode port, the 6th segment encode port, the 7th section
Code port and the 8th segment encode port；First segment encode port of each charactron (101a) with the first segment encode input terminal
Mouth (a) connection；Second segment encode port of each charactron (101a) is connect with the second segment encode input port (b)；
The third segment encode port of each charactron (101a) is connect with the third segment encode input port (c)；Each number
4th segment encode port of code pipe (101a) is connect with the 4th segment encode input port (d)；Each charactron (101a)
The 5th segment encode port connect with the 5th segment encode input port (e)；6th segment encode of each charactron (101a)
Port is connect with the 6th segment encode input port (f)；The seven segment code port of each charactron (101a) is and institute
State seven segment code input port (g) connection；8th segment encode port of each charactron (101a) with the 8th segment encode
Input port (dp) connection.
5. multidigit nixie tube display driver circuit as claimed in claim 2 or 3 or 4, it is characterized in that: institute's rheme selected control unit
It (22) include multiple triodes；The base stage of each triode passes through resistance and first deserializer (211) even
It connects；The emitter of each triode is respectively connected with power supply；
Each charactron combination (1a) includes multiple public ports, each charactron on each charactron combination (1a)
(101a) is connect with the public port；Each public port on each charactron combination (1a) is respectively connected with the three-level
It manages and is connect with the collector of the triode.
6. multidigit nixie tube display driver circuit as claimed in claim 5, it is characterized in that: the number pipe unit (23) includes
Three charactron combinations (1a)；The serioparallel exchange unit (21) includes three second deserializers (212)；Often
A charactron combination (1a) includes group of four figures pipe (101a) and four public ports；Four public ports point
It Wei not the first common end port (COM1), the second common end port (COM2), third common end port (COM3) and the 4th public
It holds port (COM4)；
Three charactron combinations (1a) are respectively the first charactron combination (231), the second charactron combination (232) and third
Charactron combines (233)；First charactron combination (231) include the first charactron (2311), the second charactron (2312),
Third charactron (2313) and the 4th charactron (2314)；The second charactron combination (232) includes the 5th charactron
(2321), the 6th charactron (2322), the 7th charactron (2323) and the 8th charactron (2324)；The third charactron combination
It (232) include the 9th charactron (2331), ten code pipe (2332), the 11st charactron (2333) and the 12nd charactron
(2334)；
First charactron (2311), second charactron (2312), the third charactron (2313) and the described 4th
Charactron (2314) successively combines the first common end (COM1), the second common end on (231) with first charactron respectively
(COM2), third common end (COM3) and the 4th common end (COM4) connect one to one；5th charactron (2321), institute
The 6th charactron (2322), the 7th charactron (2323) and the 8th charactron (2324) are stated successively respectively with described
The first common end (COM1), the second common end (COM2), third common end (COM3) and the 4th in two charactrons combination (232)
(COM4) connects one to one for common end；9th charactron (2331), the ten code pipe (2332), the described 11st
Charactron (2333) and the 12nd charactron (2334) successively combine first on (233) with the third charactron respectively
Common end (COM1), the second common end (COM2), third common end (COM3) and the 4th common end (COM4) connect one to one；
The first charactron combination (231), second charactron combination (232) and third charactron combination (233)
Segment encode port connect one to one respectively with three the second deserializers (212).
7. multidigit nixie tube display driver circuit as claimed in claim 6, it is characterized in that: institute's rheme selected control unit includes four
A triode, four triodes are respectively the first triode (Q1), the second triode (Q2), third triode (Q3) and
Four triodes (Q4)；The collector of first triode (Q1) combines first common end (COM1) of (1a) with each charactron even
It connects；The collector of second triode (Q2) combines the second common end (COM2) connection of (1a) with each charactron；Described
The collector of three triodes (Q3) combines third common end (COM3) connection of (1a) with each charactron；4th triode
(Q4) collector combines the 4th common end (COM4) connection of (1a) with each charactron.
8. a kind of multidigit nixie tube shows drive control method, it is characterized in that: the following steps are included:
S11) Digitron display driver circuit obtains serial signal from universal serial bus, and serial signal is converted to a selected control signal
With the parallel control signal of section code control signal；
S12) Digitron display driver circuit lights digital pipe unit according to position selected control signal and section code control signal.
9. multidigit nixie tube as claimed in claim 8 shows drive control method, it is characterized in that: the Nixie tube drive circuit
Including multidigit nixie tube display driver circuit as claimed in claim 1 to 5.
10. multidigit nixie tube as claimed in claim 8 shows drive control method, it is characterized in that: charactron driving electricity
Road includes multidigit nixie tube display driver circuit as claimed in claims 6 or 7；In step S12), following step is specifically included
It is rapid:
S22) the first deserializer (211) export first selected control signal by control the first triode (Q1) conducting with to
The first common end (COM1) input power that each charactron group is closed；The first charactron is lighted according to first group of parallel control signal
(2311), the 5th charactron (2321), the 9th charactron (2331)；
S23) the first deserializer (211) output second selected control signal by control the second triode (Q2) conducting with to
The second common end (COM2) input power that each charactron group is closed；The second charactron is lighted according to second group of parallel control signal
(2312), the 6th charactron (2322), ten code pipe (2332)；
S24) the first deserializer (211) output third position selected control signal by control third triode (Q3) conducting with to
Third common end (COM3) input power that each charactron group is closed；Third charactron is lighted according to third group parallel control signal
(2313), the 7th charactron (2323), the 11st charactron (2333)；
S25) the first deserializer (211) export the 4th selected control signal by the conducting of the 4th triode (Q4) of control with to
The 4th common end (COM4) input power that each charactron group is closed；The 4th charactron is lighted according to the 4th group of parallel control signal
(2314), the 8th charactron (2324), the 12nd charactron (2334).
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| CN201910755088.0A CN110444137A (en) | 2019-08-15 | 2019-08-15 | A kind of multidigit nixie tube display driver circuit and its control method |
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| CN201910755088.0A CN110444137A (en) | 2019-08-15 | 2019-08-15 | A kind of multidigit nixie tube display driver circuit and its control method |
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