CN103428940A - LED signal lamp and control circuit - Google Patents
LED signal lamp and control circuit Download PDFInfo
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- CN103428940A CN103428940A CN2012101595087A CN201210159508A CN103428940A CN 103428940 A CN103428940 A CN 103428940A CN 2012101595087 A CN2012101595087 A CN 2012101595087A CN 201210159508 A CN201210159508 A CN 201210159508A CN 103428940 A CN103428940 A CN 103428940A
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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
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- 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 invention discloses an LED signal lamp. The LED signal lamp comprises a key, a detection module and a comparison module, wherein the key is used for switching the work modes of the LED signal lamp, the detection module is used for detecting the duration when the key is pressed continuously, and the comparison module is used for receiving the duration detected by the detection module and compares the duration with a preset duration threshold value. When the current non-signal work mode is switched to the signal work mode through the key, the detection module detects the duration when the key is pressed continuously, and when the duration detected by the detection module reaches the preset duration threshold value after the comparison of the comparison module, the signal lamp corresponding to the signal work mode is controlled to emit light.
Description
Technical field
The present invention relates to the LED lighting field, relate in particular to a kind of LED signal lamp and control circuit.
Background technology
Along with the development of LED technology, LED is widely used in field of traffic as the signal lamp light source.At present, in signal lamp, normally used color has three kinds of red, yellow, and green, to the control of many lamps (multiple color lamp) with regard to complexity how control to single lamp (a kind of color lamp) is comparatively simple, and, for example three modulating signal lamps, a white light is illuminating lamp, a red eye, a greensignal light, have three buttons to use to staff's switch lamp.During work, press white light button white light just bright, just bright by red button red light, just bright by green button green light, be switched to the red or green glow of signal lamp from the illuminating lamp white light, only need by red or green button, but in same hand-held signal lamp, the distance that each button is separated by is very near, and the phenomenon that now just exists mistake to press, once mistake is pressed, just there will be signal error, particularly, in manually-operated occasion, easily misoperation, can cause accident when serious.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, a kind of LED signal lamp and control circuit are provided, and can solve hand-hold type LED signal lamp switching misoperation problem.
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of LED signal lamp, and described LED signal lamp comprises:
Button, for switching the mode of operation of LED signal lamp;
Detection module, continued the duration of pressing for detection of described button;
Comparison module, the duration detected for receiving described detection module, and compare with default duration threshold value;
Wherein, when by described button, current non-signalman's operation mode being switched to signalman's operation mode, described detection module detects described button and is continued the duration of pressing, when the duration detected at the more described detection module of described comparison module reaches default duration threshold value, control the corresponding signal lamp of described signalman's operation mode luminous.
Wherein, described non-signalman's operation mode comprises standby mode, light illumination mode, electric weight alarm mode, and described signalman's operation mode comprises the first mode of operation, the second mode of operation.
Wherein,
After pressing described light illumination mode being switched to the button that standby mode is corresponding, the illuminating lamp that described light illumination mode is corresponding closes;
After pressing described standby mode being switched to the button that light illumination mode is corresponding, the illuminating lamp that described light illumination mode is corresponding is luminous.
Wherein,
At described LED signal lamp, be light illumination mode, and the electric weight of described LED signal lamp is when not enough, the light illumination mode of described LED signal lamp automatically switches to the electric weight alarm mode;
After the light illumination mode of described LED signal lamp automatically switches to the electric weight alarm mode, through warning after a while, described electric weight alarm mode automatically switches to light illumination mode.
Wherein,
After pressing described the first mode of operation being switched to button corresponding to the second mode of operation, signal lamp corresponding to described the second mode of operation is luminous;
After pressing described the second mode of operation being switched to button corresponding to the first mode of operation, signal lamp corresponding to described the first mode of operation is luminous.
Wherein,
After pressing described signalman's operation mode being switched to the button that light illumination mode is corresponding, the illuminating lamp that described light illumination mode is corresponding is luminous;
After pressing described signalman's operation mode being switched to the button that standby mode is corresponding, signal lamp corresponding to described signalman's operation mode cut out.
Correspondingly, the embodiment of the present invention also provides a kind of LED signal lamp control circuit, and described control circuit is connected with described button;
Described control circuit comprises microcontroller chip U3, the resistance R 1 be connected with described microcontroller chip U3 the 15th pin, the capacitor C 3 be connected with described microcontroller chip the 12nd pin and the diode U4 be connected with described microcontroller chip U3 the 3rd pin, wherein,
When by described button, current non-signalman's operation mode being switched to signalman's operation mode, described detection module detects described button and is continued the duration of pressing, when the duration detected at the more described detection module of described comparison module reaches default duration threshold value, control the corresponding signal lamp of described signalman's operation mode luminous.
Wherein,
1 pin of described microcontroller chip U3 is greensignal light key-press input pin, and it is connected with greensignal light button SW3;
2 pin of described microcontroller chip U3 are white-light illuminating key-press input pin, and it is connected with white-light illuminating button SW2;
3 pin of described microcontroller chip U3 are red eye key-press input pin, and it is connected with red eye button SW1;
4 pin of described microcontroller chip U3 are connected with described diode U4 negative pole, and are connected by 15 pin of described resistance R 1 and described microcontroller chip U3;
9 pin of described microcontroller chip U3 are that pin is controlled in the corresponding greensignal light output of greensignal light key-press input pin, and it is connected with greensignal light;
10 pin of described microcontroller chip U3 are that pin is controlled in the corresponding red eye output of red eye key-press input pin, and it is connected with red eye;
11 pin of described microcontroller chip U3 are that pin is controlled in the corresponding white-light illuminating output of white-light illuminating key-press input pin, and it is connected with white light;
12 pin of described microcontroller chip U3 are by described capacitor C 3 ground connection;
15 pin of described microcontroller chip U3 are connected by 4 pin of described resistance R 1 and described microcontroller chip U3.
Implement the present invention, there is following beneficial effect:
LED signal lamp of the present invention, for above-mentioned hand-hold type multiple-light signal lamp, a kind of control method that reduces operate miss has been proposed, when by described button, current non-signalman's operation mode being switched to signalman's operation mode, described detection module detects described button and is continued the duration of pressing, when the duration detected at the more described detection module of described comparison module reaches default duration threshold value, control the corresponding signal lamp of described signalman's operation mode luminous.Use the method, not only can not affect normal illuminating lamp and use, and need not increase any cost, the more important thing is the misoperation that can reduce personnel.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structured flowchart of LED signal lamp drive circuit in the embodiment of the present invention;
Fig. 2 is the circuit structure diagram of LED signal lamp drive circuit in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
Referring to Fig. 1, it is the structured flowchart of LED signal lamp drive circuit in an embodiment of the present invention.Drive circuit comprises button 1, detection module 2, comparison module 3, LED load 4.Wherein, button 1 is connected with detection module 2, for switching the mode of operation of LED signal lamp, detection module 2 is connected with button 1 and comparison module 3, continued the duration of pressing for detection of button 1, comparison module 3 is connected with detection module 2 and LED load 4, the duration detected for receiving detection module 2, and compare with default duration threshold value.
In the embodiment of the present invention, the state model of LED signal lamp comprises non-signalman's operation mode and signalman's operation mode, wherein, non-signalman's operation mode comprises standby mode, light illumination mode, electric weight alarm mode, signalman's operation mode comprises the first mode of operation, the second mode of operation, wherein, the first mode of operation refers to the signal red light pattern, and the second mode of operation refers to the green signal light pattern.
In a kind of LED signal lamp control mode embodiment, when by button 1, current non-signalman's operation mode being switched to signalman's operation mode, detection module 2 detects button 1 and is continued the duration of pressing, when comparison module 3 duration that relatively detection modules 2 detect reaches default duration threshold value, the corresponding signal lamp of control signal mode of operation is luminous, with the non-signalman's operation mode by current, switches to signalman's operation mode.
Concrete, when LED current state pattern is the standby mode in non-signalman's operation mode, light illumination mode, the electric weight alarm mode, when by button, current non-signalman's operation mode being switched to signalman's operation mode, detection module 2 detects button 1 and is continued the duration of pressing, and whether the duration that is continued to press by comparison module 3 button 1 that relatively detection module 2 detects reaches default duration threshold value, when comparison module 3 duration that relatively detection modules 2 detect reaches default duration threshold value, the corresponding signal lamp of control signal mode of operation is luminous, switch to signalman's operation mode with the non-signalman's operation mode by current.
A preset duration threshold value in the present embodiment, and whether the duration that is continued to press by comparison module 3 button 1 that relatively detection module 2 detects reaches default duration threshold value, only when comparison module 3 duration that relatively detection modules 2 detect reaches default duration threshold value, the corresponding signal lamp of control signal mode of operation is luminous, switch to signalman's operation mode with the non-signalman's operation mode by current, that is to say, before button 1 switches to signalman's operation mode by current non-signalman's operation mode, in the time of need to reaching default duration threshold value by comparison module 3 duration that relatively detection modules 2 detect, current non-signalman's operation mode can be switched to signalman's operation mode, judge on corresponding button and have or not delay operation, in order to differentially realize the switching of LED signal lamp current state, when if the duration that comparison module 3 button 1 that relatively detection modules 2 detect is continued to press does not reach default duration threshold value, current non-signalman's operation mode can not switched to signalman's operation mode, because in the use procedure of three modulating signal lamps, the function of signal lamp is different, red and green sequencing all represents different signals, so button corresponding to signal lamp, more crucial, should be not easy to be triggered, avoided in same hand-held signal lamp, very near the caused existence mistake of distance of being separated by due to each button by phenomenon, solved the problem of hand-hold type LED signal lamp switching misoperation.
In the embodiment of another LED signal lamp control method, in LED signal lamp control method, do not need detection module 2 to detect button 1 and continued the duration of pressing, do not need comparison module 3 duration that relatively detection module 2 detects whether to reach default duration threshold value yet, while as long as the touching signals of button 1 being detected, just can carry out the switching of corresponding state model, concrete comprises:
After pressing light illumination mode being switched to the button that standby mode is corresponding, the illuminating lamp that light illumination mode is corresponding closes;
After pressing standby mode being switched to the button that light illumination mode is corresponding, the illuminating lamp that light illumination mode is corresponding is luminous.
At the LED signal lamp, be light illumination mode, and the electric weight of LED signal lamp is when not enough, the light illumination mode of LED signal lamp automatically switches to the electric weight alarm mode;
After the light illumination mode of LED signal lamp automatically switches to the electric weight alarm mode, through warning after a while, the electric weight alarm mode automatically switches to light illumination mode.
After pressing the first mode of operation being switched to button corresponding to the second mode of operation, signal lamp corresponding to the second mode of operation is luminous;
After pressing the second mode of operation being switched to button corresponding to the first mode of operation, signal lamp corresponding to the first mode of operation is luminous.
After pressing signalman's operation mode being switched to the button that light illumination mode is corresponding, the illuminating lamp that light illumination mode is corresponding is luminous;
After pressing signalman's operation mode being switched to the button that standby mode is corresponding, the signal lamp that signalman's operation mode is corresponding cuts out.
In the present embodiment, the state model of LED signal lamp comprises non-signalman's operation mode and signalman's operation mode, non-signalman's operation mode comprises standby mode, light illumination mode, the electric weight alarm mode, signalman's operation mode comprises the first mode of operation, the second mode of operation, the first mode of operation refers to the signal red light pattern, the second mode of operation refers to the green signal light pattern, wherein, light illumination mode and standby mode can switch mutually, light illumination mode and electric weight alarm mode automatically switch, the signal designation pattern can be directly switch into standby mode and the light illumination mode in non-signal designation pattern, the first mode of operation and second mode of operation of signalman's operation mode can be switched mutually, in above-mentioned situation, do not need detection module 2 to detect button 1 and continued the duration of pressing, do not need comparison module 3 duration that relatively detection module 2 detects whether to reach default duration threshold value yet, while as long as the touching signals of button 1 being detected, just can carry out the switching of corresponding state model, because in the use procedure of three modulating signal lamps, white light is used as illumination, white light does not represent any signal, and the signal lamp difference, red and green sequencing all represents different signals, so button corresponding to signal lamp, more crucial, should be not easy to be triggered, and button corresponding to illuminating lamp is not crucial, as long as normal operation.
In addition, in the embodiment of the present invention, the first mode of operation and the second mode of operation are can not automatically switch to the electric weight alarm mode, and this is in order to prevent the signal lamp flicker, the reliability of raising signal lamp.
Referring to Fig. 2, is the circuit structure diagram of LED signal lamp drive circuit in the embodiment of the present invention.As shown in the figure, LED signal lamp control circuit is connected with described button, control circuit specifically comprises: microcontroller chip U3, the resistance R 1 be connected with 15 pin of microcontroller chip U3, the capacitor C 3 be connected with 12 pin of microcontroller chip and the diode U4 be connected with 3 pin of microcontroller chip U3, wherein, microcontroller chip U3 specifically comprises:
1 pin of microcontroller chip U3 is greensignal light key-press input pin, and it is connected with greensignal light button SW3; 2 pin of microcontroller chip U3 are white-light illuminating key-press input pin, and it is connected with white-light illuminating button SW2; 3 pin of microcontroller chip U3 are red eye key-press input pin, and it is connected with red eye button SW1; 4 pin of microcontroller chip U3 are connected with described diode U4 negative pole, and are connected by 15 pin of described resistance R 1 and microcontroller chip U3; 9 pin of microcontroller chip U3 are that pin is controlled in the corresponding greensignal light output of greensignal light key-press input pin, and it is connected with greensignal light; 10 pin of microcontroller chip U3 are that pin is controlled in the corresponding red eye output of red eye key-press input pin, and it is connected with red eye; 11 pin of microcontroller chip U3 are that pin is controlled in the corresponding white-light illuminating output of white-light illuminating key-press input pin, and it is connected with white light; 12 pin of microcontroller chip U3 are by described capacitor C 3 ground connection; 15 pin of microcontroller chip U3 are connected by 4 pin of described resistance R 1 and microcontroller chip U3.
Control circuit in the embodiment of the present invention is realized the control of LED signal lamp is write as to control software by the control method by any LED signal lamp in above-mentioned, and programming is advanced in microcontroller chip U3, when work, by the state that changes red eye button SW1, white-light illuminating button SW2, greensignal light button SW3, realize the switching of LED signal lamp current state.
Above disclosed is only preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the claims in the present invention, still belong to the scope that the present invention is contained.
Claims (8)
1. a LED signal lamp, is characterized in that, comprising:
Button, for switching the mode of operation of LED signal lamp;
Detection module, continued the duration of pressing for detection of described button;
Comparison module, the output duration detected for receiving described detection module, and compare with default duration threshold value;
Wherein, when by described button, current non-signalman's operation mode being switched to signalman's operation mode, described detection module detects described button and is continued the duration of pressing, when the duration detected at the more described detection module of described comparison module reaches default duration threshold value, control the corresponding signal lamp of described signalman's operation mode luminous.
2. LED signal lamp as claimed in claim 1, is characterized in that, described non-signalman's operation mode comprises standby mode, light illumination mode, electric weight alarm mode, and described signalman's operation mode comprises the first mode of operation, the second mode of operation.
3. LED signal lamp as claimed in claim 2, is characterized in that,
After pressing described light illumination mode being switched to the button that standby mode is corresponding, the illuminating lamp that described light illumination mode is corresponding closes;
After pressing described standby mode being switched to the button that light illumination mode is corresponding, the illuminating lamp that described light illumination mode is corresponding is luminous.
4. LED signal lamp as claimed in claim 2, is characterized in that,
At described LED signal lamp, be light illumination mode, and the electric weight of described LED signal lamp is when not enough, the light illumination mode of described LED signal lamp automatically switches to the electric weight alarm mode;
After the light illumination mode of described LED signal lamp automatically switches to the electric weight alarm mode, through warning after a while, described electric weight alarm mode automatically switches to light illumination mode.
5. LED signal lamp as claimed in claim 2, is characterized in that,
After pressing described the first mode of operation being switched to button corresponding to the second mode of operation, signal lamp corresponding to described the second mode of operation is luminous;
After pressing described the second mode of operation being switched to button corresponding to the first mode of operation, signal lamp corresponding to described the first mode of operation is luminous.
6. LED signal lamp as claimed in claim 2, is characterized in that,
After pressing described signalman's operation mode being switched to the button that light illumination mode is corresponding, the illuminating lamp that described light illumination mode is corresponding is luminous;
After pressing described signalman's operation mode being switched to the button that standby mode is corresponding, signal lamp corresponding to described signalman's operation mode cut out.
7. a LED signal lamp control circuit, is characterized in that, described control circuit is connected with described button;
Described control circuit comprises microcontroller chip U3, the resistance R 1 be connected with described microcontroller chip U3 the 15th pin, the capacitor C 3 be connected with described microcontroller chip the 12nd pin and the diode U4 be connected with described microcontroller chip U3 the 3rd pin, wherein,
When by described button, current non-signalman's operation mode being switched to signalman's operation mode, described detection module detects described button and is continued the duration of pressing, when the duration detected at the more described detection module of described comparison module reaches default duration threshold value, control the corresponding signal lamp of described signalman's operation mode luminous.
8. LED signal lamp control circuit as claimed in claim 7, is characterized in that,
1 pin of described microcontroller chip U3 is greensignal light key-press input pin, and it is connected with greensignal light button SW3;
2 pin of described microcontroller chip U3 are white-light illuminating key-press input pin, and it is connected with white-light illuminating button SW2;
3 pin of described microcontroller chip U3 are red eye key-press input pin, and it is connected with red eye button SW1;
4 pin of described microcontroller chip U3 are connected with described diode U4 negative pole, and are connected by 15 pin of described resistance R 1 and described microcontroller chip U3;
9 pin of described microcontroller chip U3 are that pin is controlled in the corresponding greensignal light output of greensignal light key-press input pin, and it is connected with greensignal light;
10 pin of described microcontroller chip U3 are that pin is controlled in the corresponding red eye output of red eye key-press input pin, and it is connected with red eye;
11 pin of described microcontroller chip U3 are that pin is controlled in the corresponding white-light illuminating output of white-light illuminating key-press input pin, and it is connected with white light;
12 pin of described microcontroller chip U3 are by described capacitor C 3 ground connection;
15 pin of described microcontroller chip U3 are connected by 4 pin of described resistance R 1 and described microcontroller chip U3.
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| CN2012101595087A CN103428940A (en) | 2012-05-22 | 2012-05-22 | LED signal lamp and control circuit |
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| CN2012101595087A CN103428940A (en) | 2012-05-22 | 2012-05-22 | LED signal lamp and control circuit |
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| CN103428940A true CN103428940A (en) | 2013-12-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105517280A (en) * | 2015-11-30 | 2016-04-20 | 小米科技有限责任公司 | Method and device for lighting |
| CN106533408A (en) * | 2016-10-31 | 2017-03-22 | 北京小米移动软件有限公司 | Operation time delay method and apparatus |
| CN107145405A (en) * | 2017-05-11 | 2017-09-08 | 北京百度网讯科技有限公司 | The baseboard management controller of server and its operating method and control circuit |
| CN108209898A (en) * | 2018-03-08 | 2018-06-29 | 广州易和医疗技术开发有限公司 | A kind of heartbeat detection device and wearable device |
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| CN201853193U (en) * | 2010-11-12 | 2011-06-01 | Tcl集团股份有限公司 | Mobile terminal with lamp light feedback keyboard |
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| US6426702B1 (en) * | 2001-02-08 | 2002-07-30 | Thomas W. Young | Driver fatigue detector |
| CN201853193U (en) * | 2010-11-12 | 2011-06-01 | Tcl集团股份有限公司 | Mobile terminal with lamp light feedback keyboard |
| CN102280006A (en) * | 2011-06-14 | 2011-12-14 | 沈兴 | Multifunctional distress alarm |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105517280A (en) * | 2015-11-30 | 2016-04-20 | 小米科技有限责任公司 | Method and device for lighting |
| CN106533408A (en) * | 2016-10-31 | 2017-03-22 | 北京小米移动软件有限公司 | Operation time delay method and apparatus |
| CN107145405A (en) * | 2017-05-11 | 2017-09-08 | 北京百度网讯科技有限公司 | The baseboard management controller of server and its operating method and control circuit |
| CN108209898A (en) * | 2018-03-08 | 2018-06-29 | 广州易和医疗技术开发有限公司 | A kind of heartbeat detection device and wearable device |
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Application publication date: 20131204 |