CN202931622U - Indicating lamp for controlling two-color light-emitting diodes by two wires - Google Patents
Indicating lamp for controlling two-color light-emitting diodes by two wires Download PDFInfo
- Publication number
- CN202931622U CN202931622U CN2012205694439U CN201220569443U CN202931622U CN 202931622 U CN202931622 U CN 202931622U CN 2012205694439 U CN2012205694439 U CN 2012205694439U CN 201220569443 U CN201220569443 U CN 201220569443U CN 202931622 U CN202931622 U CN 202931622U
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- emitting diode
- light emitting
- light
- output pin
- emitting diodes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model provides an indicating lamp for controlling two-color light-emitting diodes by two wires. The indicating lamp for controlling the two-color light-emitting diodes by the two wires comprises a red light emitting diode, a yellow light emitting diode, and a microprocessor used for controlling the on and off duration of the red light emitting diode and the yellow light emitting diode under the condition of constant input signals and having a pulse width modulation function. The red light emitting diode and the yellow light emitting diode are connected in parallel between a first output pin and a second output pin, a positive pole of the red light emitting diode is connected to the first output pin, and a positive pole of the yellow light emitting diode is connected to the second output pin. Through converting detection signals of a sensor into digital signals and transmitting the digital signals to the microprocessor having the pulse width modulation function, the indicating lamp controls the on and off duration of the red light emitting diode and the yellow light emitting diode under the condition of constant input signals, and realizes the combination or display of different colors of light, thereby realizing the display of the size of a measured object by the different colors the light. The indicating lamp has a simple structure, is easy to assemble, and saves electricity.
Description
Technical field
The utility model relates to the indicator light that a kind of two-wire is controlled dichromatic LED.
Background technology
The application of existing light-emitting diode, when especially forming color lamp series, be generally by serial connection or and connect the different light-emitting diode of a plurality of colors, control the length of the light on and off time of each light-emitting diode by microprocessor, realize color scheme miscellaneous, this mode exists and uses that the light-emitting diode amount is large, power consumption, circuit connect the defective of being responsible for.
Summary of the invention
The indicator light that the purpose of this utility model provides a kind of two-wire to control dichromatic LED uses to reach that light-emitting diode quantity is few, little power consumption and circuit connect simple and can realize polychrome light.
for reaching above-mentioned purpose, the utility model provides a kind of two-wire to control the indicator light of dichromatic LED, comprise a red light emitting diodes, one yellow light-emitting diode and one is used in the situation that constant this red light emitting diodes of control of input signal, the microprocessor with pulse-width modulation function of yellow light-emitting diode light on and off duration, described red light emitting diodes and yellow light-emitting diode are attempted by between first output pin and the second output pin of this microprocessor, and the positive pole of red light emitting diodes connects the first output pin, the positive pole of yellow light-emitting diode connects the second output pin.
Above-mentioned two-wire is controlled the indicator light of dichromatic LED, comprises that one is used for transducer and an analog to digital converter of transmission detection signal, and this transducer is through the signal input pin of this analog to digital converter serial connection to described microprocessor.
The utility model has the advantages that: be converted to digital data transmission to the microprocessor with pulse-width modulation function by the detection signal with transducer, in the situation that input signal is constant, the light on and off ratio that the duration of the light on and off of control red light emitting diodes and yellow light-emitting diode namely distributes red light emitting diodes and yellow light-emitting diode, realize combination or the demonstration of the light of different color, thereby realize being shown by the light of this different color the size of measurand, this indicating lamp structure is simple, assembles easily and power saving.
Below with reference to accompanying drawing, the utility model is described in further details.
Description of drawings
Fig. 1 is the structural representation block diagram that two-wire is controlled the indicator light of dichromatic LED.
Embodiment
the two-wire that the present embodiment provides is controlled the indicator light of dichromatic LED, as shown in Figure 1, a kind of two-wire is controlled the indicator light of dichromatic LED, comprise a red light emitting diodes, one yellow light-emitting diode and one is used in the situation that constant this red light emitting diodes of control of input signal, the microprocessor with pulse-width modulation function of yellow light-emitting diode light on and off duration, described red light emitting diodes and yellow light-emitting diode are attempted by between first output pin and the second output pin of this microprocessor, and the positive pole of red light emitting diodes connects the first output pin, the positive pole of yellow light-emitting diode connects the second output pin.This two-wire is controlled the indicator light of dichromatic LED, comprises that also one is used for transducer and an analog to digital converter of transmission detection signal, and this transducer is through the signal input pin of this analog to digital converter serial connection to described microprocessor.
The two-wire that the present embodiment provides is controlled the indicator light of dichromatic LED, be converted to digital data transmission to the microprocessor with pulse-width modulation function by the detection signal with transducer, in the situation that input signal is constant, the light on and off ratio that the duration of the light on and off of control red light emitting diodes and yellow light-emitting diode namely distributes red light emitting diodes and yellow light-emitting diode, realize combination or the demonstration of the light of different color, thereby realize being shown by the light of this different color the size of measurand, this indicating lamp structure is simple, assembles easily and power saving.
And the microprocessor that relates in the present embodiment has the pulse-width modulation function, it can be by carrying out pulse-width modulation to the analog signal of directly exporting through transducer, export different control signals, control the light on and off duration of red light emitting diodes, yellow light-emitting diode, as long as red light emitting diodes and yellow light-emitting diode replace the duration of light on and off less than people's persistence of vision duration, can realize demonstration or the indication of polychrome light.
More than exemplifying is only to illustrate of the present utility model, does not consist of the restriction to protection range of the present utility model, within the every and same or analogous design of the utility model all belongs to protection range of the present utility model.
Claims (2)
1. a two-wire is controlled the indicator light of dichromatic LED, it is characterized in that: comprise that a red light emitting diodes, a yellow light-emitting diode and are used in the situation that the microprocessor with pulse-width modulation function of this red light emitting diodes of the constant control of input signal, yellow light-emitting diode light on and off duration, described red light emitting diodes and yellow light-emitting diode are attempted by between first output pin and the second output pin of this microprocessor, and the positive pole of red light emitting diodes connects the first output pin, and the positive pole of yellow light-emitting diode connects the second output pin.
2. two-wire as claimed in claim 1 is controlled the indicator light of dichromatic LED, it is characterized in that: comprise that one is used for transducer and an analog to digital converter of transmission detection signal, this transducer is through the signal input pin of this analog to digital converter serial connection to described microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205694439U CN202931622U (en) | 2012-11-01 | 2012-11-01 | Indicating lamp for controlling two-color light-emitting diodes by two wires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205694439U CN202931622U (en) | 2012-11-01 | 2012-11-01 | Indicating lamp for controlling two-color light-emitting diodes by two wires |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202931622U true CN202931622U (en) | 2013-05-08 |
Family
ID=48221525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205694439U Expired - Lifetime CN202931622U (en) | 2012-11-01 | 2012-11-01 | Indicating lamp for controlling two-color light-emitting diodes by two wires |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202931622U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103796368A (en) * | 2012-11-01 | 2014-05-14 | 西安华科光电有限公司 | Double-line-controlled double-color light-emitting diode indicating lamp |
| CN110708787A (en) * | 2019-09-20 | 2020-01-17 | 苏州浪潮智能科技有限公司 | Control device and method of double-color lamp, storage medium and equipment |
-
2012
- 2012-11-01 CN CN2012205694439U patent/CN202931622U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103796368A (en) * | 2012-11-01 | 2014-05-14 | 西安华科光电有限公司 | Double-line-controlled double-color light-emitting diode indicating lamp |
| CN110708787A (en) * | 2019-09-20 | 2020-01-17 | 苏州浪潮智能科技有限公司 | Control device and method of double-color lamp, storage medium and equipment |
| CN110708787B (en) * | 2019-09-20 | 2022-06-07 | 苏州浪潮智能科技有限公司 | Control device and method of double-color lamp, storage medium and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |