CN210986518U - One-wire three-colour lamp - Google Patents
One-wire three-colour lamp Download PDFInfo
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- CN210986518U CN210986518U CN201922301085.8U CN201922301085U CN210986518U CN 210986518 U CN210986518 U CN 210986518U CN 201922301085 U CN201922301085 U CN 201922301085U CN 210986518 U CN210986518 U CN 210986518U
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Abstract
The utility model discloses a one-line three-color lamp, which comprises a power supply; an input module for inputting an external signal; the input end of the processor is connected with the output end of the input module; the three-color lamp comprises three indicator lamps with different colors, and each indicator lamp is provided with two input ends which are respectively connected with the power supply and the output end of the processor. The one-wire three-color lamp can control the on and off of any combination of the three-color lamps by using one control signal, so that the demand of an output port of a controller in industrial product design is reduced, the cost of a control signal wire is reduced, and the reliability of a system is improved.
Description
Technical Field
The utility model relates to a three-color lamp of a ray system.
Background
The three-color indicator lamps for indicating the working state on the industrial equipment mostly use multi-layer three-color lamps, each lamp uses a control signal to control the on and off of the three-color lamp, and the used control ports are more, so the existing three-color indicator lamps are not suitable for the situation that the output ports of P L C are not too many.
Disclosure of Invention
The utility model aims at providing a three-color lamp of a ray system suitable for P L C that the output port is not many.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a three-color lamp comprises
A power source;
an input module for inputting an external signal;
the input end of the processor is connected with the output end of the input module;
the three-color lamp comprises three indicator lamps with different colors, and each indicator lamp is provided with two input ends which are respectively connected with the power supply and the output end of the processor.
In another preferred mode, the power supply includes a voltage source and a voltage-reducing circuit for reducing the voltage of the voltage source to a low voltage suitable for the three-color lamp, an input end of the voltage-reducing circuit is connected to an output end of the voltage source, and output ends of the voltage-reducing circuit are respectively connected to each of the indicator lamps and the processor.
In another preferred mode, the voltage source is a 7-36V voltage source, and the voltage output by the voltage reduction circuit is 5V.
In another preferred form, the processor is an STM8S003F3P6 processor.
In another preferred mode, the three-color lamp is an L ED three-color indicator lamp.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the one-wire three-color lamp can control the on and off of any combination of the three-color lamps by using one control signal, so that the demand of an output port of a controller in industrial product design is reduced, the cost of a control signal wire is reduced, and the reliability of a system is improved.
Drawings
FIG. 1 is a timing diagram of the present invention;
FIG. 2 is a schematic block diagram of the present invention;
fig. 3 is a circuit diagram of the present invention.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
As shown in fig. 2-3, a one-line three-color lamp includes a power supply, an input module for inputting an external signal, a processor having an input terminal connected to an output terminal of the input module, and three-color lamps including three indicator lamps of different colors, each of the indicator lamps having two input terminals respectively connected to the power supply and an output terminal of the processor, the power supply includes a voltage source and a voltage-reducing circuit for reducing a voltage of the voltage source to a low voltage suitable for the three-color lamp, the input terminal of the voltage-reducing circuit is connected to an output terminal of the voltage source, and the output terminals thereof are respectively connected to the indicator lamps and the processor, the voltage source is a 7-36V voltage source, the voltage output by the voltage-reducing circuit is 5V, the processor is an STM8S003F3P6 processor, and the three-color lamp is a L ED three-color indicator lamp.
The control method of the one-wire three-color lamp comprises the following steps: the input module uses a pull-up resistor of the processor and is U when no input is available0V level, external control signal use collector open drain mode control, idle time control signal switches on, and then the input of a ray of control tricolor lamp is 0 level, and the tricolor lamp is first look lamp, second look lamp and third look lamp respectively, U0The V level corresponds to a digital 1, 0V level meter digital 0, the control time sequence of one cycle is divided into T0/start time, red time, yellow time, green time and end time, wherein the start time and the end time respectively comprise T1, T2, T3 and T4, the red time, the yellow time and the green time respectively comprise ti and tj time, and the time length T is equal to1-T3Millisecond, T0 is greater than or equal to T2Millisecond, T4 is greater than or equal to T2Millisecond, T0+ T4 ≧ 2T2Millisecond idle control state, ti + tj equal to 2T1-2T3Milliseconds; t is1=30，T2=50，T3The control method comprises the following steps of =40, t1= t2= t3, the time length is 30-40 milliseconds, t0 is greater than or equal to 50 milliseconds, t4 is greater than or equal to 50 milliseconds, t0+ t4 is equal to or greater than 100 milliseconds and is in an idle control state, and ti + tj is equal to 60-80 milliseconds;
when the input end of the processor is in an idle state, the input end of the processor is at 0 level, digital 0 and more than 100 milliseconds, and when the idle state detects that the high level of the start control signal is more than or equal to t1 and less than or equal to 40 milliseconds and the low level is more than or equal to t2 and less than or equal to 40 milliseconds, the on and off states of each lamp in the three-color lamp are as follows:
and (4) red light: if the high level is more than or equal to 30 milliseconds and less than or equal to ti and less than or equal to 40 milliseconds and the low level is more than or equal to 30 milliseconds and less than or equal to tj and less than or equal to 40 milliseconds in the time sequence red time period, preparing to control the red light to be on; if the high level ti =0 ms and the low level tj is more than or equal to 60 ms and less than or equal to 80 ms, the red light is ready to be controlled to be turned off, only the control identifier of the red light is stored at the moment, and the on or off of the corresponding light is not really controlled;
yellow light: if the high level is more than or equal to 30 milliseconds and less than or equal to ti and less than or equal to 40 milliseconds and the low level is more than or equal to 30 milliseconds and less than or equal to tj and less than or equal to 40 milliseconds in the time sequence yellow time period, controlling to prepare a yellow lamp to be turned on; if the high level ti =0 ms and the low level tj is more than or equal to 60 ms and less than or equal to 80 ms, controlling to prepare for turning off the yellow lamp, only storing the control identifier of the yellow lamp at the moment, and not really controlling the on or off of the corresponding lamp;
green light: if the high level is more than or equal to 30 milliseconds and less than or equal to ti and less than or equal to 40 milliseconds and the low level is more than or equal to 30 milliseconds and less than or equal to tj and less than or equal to 40 milliseconds in the time sequence green time period, controlling to prepare for the green light to be turned on; if the high level ti =0 ms and the low level tj is more than or equal to 60 ms and less than or equal to 80 ms, controlling to prepare for turning off the green light, only storing the control identification of the green light at the moment, and not really controlling the on or off of the corresponding light;
when the control signals of the three lamps are ended, the control signals of the ending time interval are detected, the states of the three lamps are really controlled only when the high level is more than or equal to t3 and less than or equal to 40 milliseconds and the low level is more than or equal to t4 and less than or equal to 40 milliseconds, otherwise, the control sequence is abandoned (as shown in figure 1).
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (5)
1. A three-color lamp made of one line is characterized in that it comprises
A power source;
an input module for inputting an external signal;
the input end of the processor is connected with the output end of the input module;
the three-color lamp comprises three indicator lamps with different colors, and each indicator lamp is provided with two input ends which are respectively connected with the power supply and the output end of the processor.
2. A three-color in-line lamp as set forth in claim 1, wherein: the power supply comprises a voltage source and a voltage reduction circuit for reducing the voltage of the voltage source to a low voltage suitable for the three-color lamp, the input end of the voltage reduction circuit is connected with the output end of the voltage source, and the output end of the voltage reduction circuit is respectively connected with each indicator lamp and the processor.
3. A three-color in-line lamp as set forth in claim 2, wherein: the voltage source is a 7-36V voltage source, and the voltage output by the voltage reduction circuit is 5V.
4. A three-color in-line lamp as set forth in claim 1, wherein: the processor is an STM8S003F3P6 processor.
5. The in-line three-color lamp of claim 1, wherein the three-color lamp is an L ED three-color indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922301085.8U CN210986518U (en) | 2019-12-20 | 2019-12-20 | One-wire three-colour lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922301085.8U CN210986518U (en) | 2019-12-20 | 2019-12-20 | One-wire three-colour lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210986518U true CN210986518U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922301085.8U Expired - Fee Related CN210986518U (en) | 2019-12-20 | 2019-12-20 | One-wire three-colour lamp |
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| CN (1) | CN210986518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114167770A (en) * | 2021-11-23 | 2022-03-11 | 山东浪潮工业互联网产业股份有限公司 | Realize three-color lamp system of chargeable formula intelligence of numerical control networking |
-
2019
- 2019-12-20 CN CN201922301085.8U patent/CN210986518U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114167770A (en) * | 2021-11-23 | 2022-03-11 | 山东浪潮工业互联网产业股份有限公司 | Realize three-color lamp system of chargeable formula intelligence of numerical control networking |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200710 |