CN206574456U - A kind of numeral method plate circuit - Google Patents
A kind of numeral method plate circuit Download PDFInfo
- Publication number
- CN206574456U CN206574456U CN201720228191.6U CN201720228191U CN206574456U CN 206574456 U CN206574456 U CN 206574456U CN 201720228191 U CN201720228191 U CN 201720228191U CN 206574456 U CN206574456 U CN 206574456U
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- CN
- China
- Prior art keywords
- circuit
- led light
- nixie tube
- tube drive
- numeral method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Illuminated Signs And Luminous Advertising (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model provides a kind of numeral method plate circuit, including Nixie tube drive circuit, key circuit, LED light circuit and connection terminal P1, the Nixie tube drive circuit, key circuit, the controlling switch of LED light circuit is connected with connection terminal P1.The Nixie tube drive circuit uses the Duan Xuan of 4 common cathode charactrons of 74HC595 chip drives, the position choosing of 4 common cathode charactrons is driven using 4 NPN triodes, the key circuit includes 34 jiaos of vertical touch-switch, 3 current-limiting resistances and 3 electric capacity for being used to eliminate shaking interference, the LED light circuit include 3 light emitting diodes and 3 current-limiting resistances.The beneficial effects of the utility model are：Reduce and microprocessor control pin resource is occupied, enhance the ability of button anti-jitter interference, have the advantages that circuit design is simple and cost is low.
Description
Technical field
The utility model is related to the display in instrument field, more particularly to Monophase electric power instrument.
Background technology
At present, the numeral method plate design of many Monophase electric power instrument is not succinct enough, and indicator lamp is excessive, and button is excessive,
Button stabilization ability, circuit design is complex, takes micro processor leg resource and excessively waits not enough.
Therefore, it is necessary to be improved to existing numeral method plate circuit, to solve the above problems.
The content of the invention
The purpose of this utility model is to provide a kind of numeral method plate circuit, and the numeral method plate circuit is not only set
Meter is simple, and cost is low, and it is few to take microprocessor resources.
To realize that the purpose of this utility model provides a kind of numeral method plate circuit, including Nixie tube drive circuit, press
Key circuit, LED light circuit and connection terminal P1, the Nixie tube drive circuit, key circuit, LED light circuit
Controlling switch is connected with connection terminal P1.
As further improvement of the utility model, the Nixie tube drive circuit drives 4 using 74HC595 chips U3
Select common cathode charactron U2 Duan Xuan, the position that 4 common cathode charactrons U2 is driven using 4 NPN triode Q1s, Q2, Q3, Q4.
As further improvement of the utility model, the key circuit include 34 jiaos vertical touch-switch KEY1,
KEY2, KEY3,3 current-limiting resistances R07, R08, R09 and 3 electric capacity C1, C2, C3 for being used to eliminate shaking interference.
As further improvement of the utility model, the LED light circuit include 3 LEDs 1,
LED2, LED3 and 3 current-limiting resistances R1, R2, R3.
Compared with prior art, advantage of the present utility model is：The section of the utility model driving charactron selects mode to adopt
74HC595 chips are used, serial mode input parallel output takes three controlling switch with regard to that can drive digital pipeline section choosing, reduced
Controlling switch resource is occupied；The electric capacity for eliminating and shaking per having in succession all the way in key circuit, prevents maloperation；LED refers to
Show in circuit and be directly connected after light emitting diode series limiting resistor with power supply, the other end is directly controlled by controlling switch.It is whole
Individual circuit design has circuit design simple, lower-cost advantage.
Brief description of the drawings
Fig. 1 is the circuit diagram of numeral method plate circuit of the present utility model.
Embodiment
In order that technological means of the present utility model, creation characteristic, reached purpose and effect are readily clear of, complete retouched
State, the utility model is described in detail with specific implementation below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of numeral method plate circuit, including Nixie tube drive circuit, key circuit, LED light
Circuit and connection terminal P1, the Nixie tube drive circuit, key circuit, the controlling switch of LED light circuit is with being connected
Terminals P 1 is connected.The Nixie tube drive circuit drives 4 common cathode charactron U2 Duan Xuan using 74HC595 chips U3, adopts
Select the position for driving 4 common cathode charactrons U2 with 4 NPN triode Q1s, Q2, Q3, Q4.The key circuit includes 34 jiaos
Vertical touch-switch KEY1, KEY2, KEY3,3 current-limiting resistances R07, R08, R09 and 3 electric capacity for being used to eliminate shaking interference
C1、C2、C3.The LED light circuit include 3 LEDs 1, LED2, LED3 and 3 current-limiting resistance R1, R2,
R3。
A kind of numeral method plate circuit carries out signal exchange by connection terminal P1 with outside, microcontroller by
74HC595 sends order and 4 triodes of driving to realize the data display of 4 common cathode charactrons, 3 touch-switch position displays
Screen provides control operation, and 3 light emitting diodes indicate display content, can indicate that charactron shows according to different dispaly states
Show different contents, for example, when light-emitting diodes pipe range is bright, do not work, slow flash is bright, flicker etc. soon, may indicate that different contents.
In summary, a kind of numeral method plate circuit of the present utility model, circuit design is simple, and cost is relatively low, passes through
The mutual cooperation of charactron, touch-switch, circuit of LED in circuit, can provide rational display demand for instrument.
Embodiment shown above only expresses embodiment of the present utility model, and it describes more specific and detailed, but not
Therefore the limitation to the utility model the scope of the claims can be interpreted as, it will be apparent to an ordinarily skilled person in the art that can be right
The technical solution of the utility model is modified or equivalent substitution, without departing from the spirit and model of technical solutions of the utility model
Enclose.
Claims (4)
1. a kind of numeral method plate circuit, it is characterised in that including Nixie tube drive circuit, key circuit, LED light electricity
Road and connection terminal P1, the Nixie tube drive circuit, key circuit, the controlling switch of LED light circuit is and connection end
Sub- P1 is connected.
2. a kind of numeral method plate circuit according to claim 1, it is characterised in that the Nixie tube drive circuit is adopted
4 common cathode charactron U2 Duan Xuan is driven with 74HC595 chips U3, using 4 NPN triode Q1s, Q2, Q3, Q4 driving described 4
Position common cathode charactron U2 position choosing.
3. a kind of numeral method plate circuit according to claim 1, it is characterised in that the key circuit includes 34
Angle vertical touch-switch KEY1, KEY2, KEY3,3 current-limiting resistances R07, R08, R09 and 3 electricity for being used to eliminate shaking interference
Hold C1, C2, C3.
4. a kind of numeral method plate circuit according to claim 1, it is characterised in that the LED light circuit bag
Include 3 LEDs 1, LED2, LED3 and 3 current-limiting resistances R1, R2, R3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228191.6U CN206574456U (en) | 2017-03-10 | 2017-03-10 | A kind of numeral method plate circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228191.6U CN206574456U (en) | 2017-03-10 | 2017-03-10 | A kind of numeral method plate circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206574456U true CN206574456U (en) | 2017-10-20 |
Family
ID=60057679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720228191.6U Active CN206574456U (en) | 2017-03-10 | 2017-03-10 | A kind of numeral method plate circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206574456U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444130A (en) * | 2018-12-21 | 2019-03-08 | 天津光电惠高电子有限公司 | A kind of the detection pen and detection method of quick detection human body inflammation infection grade |
| CN110794995A (en) * | 2018-08-02 | 2020-02-14 | 比亚迪股份有限公司 | Capacitive key display panel, method and electronic equipment |
| CN111063284A (en) * | 2019-11-16 | 2020-04-24 | 东风电驱动系统有限公司 | Coding and decoding method and device for symmetrically distributed segment code screen |
| CN111694309A (en) * | 2020-06-18 | 2020-09-22 | 中国科学技术大学 | Method for realizing FPGA (field programmable Gate array) online platform |
-
2017
- 2017-03-10 CN CN201720228191.6U patent/CN206574456U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794995A (en) * | 2018-08-02 | 2020-02-14 | 比亚迪股份有限公司 | Capacitive key display panel, method and electronic equipment |
| CN109444130A (en) * | 2018-12-21 | 2019-03-08 | 天津光电惠高电子有限公司 | A kind of the detection pen and detection method of quick detection human body inflammation infection grade |
| CN111063284A (en) * | 2019-11-16 | 2020-04-24 | 东风电驱动系统有限公司 | Coding and decoding method and device for symmetrically distributed segment code screen |
| CN111063284B (en) * | 2019-11-16 | 2022-09-02 | 东风电驱动系统有限公司 | Coding and decoding method and device for symmetrically distributed segment code screen |
| CN111694309A (en) * | 2020-06-18 | 2020-09-22 | 中国科学技术大学 | Method for realizing FPGA (field programmable Gate array) online platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Charactron display -panel circuit Effective date of registration: 20181225 Granted publication date: 20171020 Pledgee: Nanning United Innovation Venture Capital Co., Ltd. Pledgor: GUANGXI CHUNMAO ELECTRIC AUTOMATION ENGINEERING CO., LTD. Registration number: 2018450000033 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200330 Granted publication date: 20171020 Pledgee: Nanning United Innovation Venture Capital Co., Ltd. Pledgor: GUANGXI CHUNMAO ELECTRIC AUTOMATION ENGINEERING Co.,Ltd. Registration number: 2018450000033 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |