CN102123543B - Indicating lamp control circuit of television and television - Google Patents
Indicating lamp control circuit of television and television Download PDFInfo
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- CN102123543B CN102123543B CN201010541053.6A CN201010541053A CN102123543B CN 102123543 B CN102123543 B CN 102123543B CN 201010541053 A CN201010541053 A CN 201010541053A CN 102123543 B CN102123543 B CN 102123543B
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Abstract
The invention discloses an indicating lamp control circuit of a television and the television, wherein the indicating lamp control circuit comprises a first light-emitting diode and a second light-emitting diode, a first resistor, a second resistor, a third resistor, a first diode and a second diode, wherein an anode of the first light-emitting diode is connected with a standby power supply of the television, and a cathode of the first light-emitting diode is grounded by the first resistor; one end of the second resistor is connected with a first controllable power supply, and the other end of the second resistor is connected with an anode of the first diode; a cathode of the first diode is connected with an anode of the second light-emitting diode; a cathode of the second light-emitting diode is grounded by the first resistor; and one end of the third resistor is connected with a second controllable power supply, and the other end of the third resistor is connected with the anode of the second light-emitting diode via the second diode. In the invention, the switching of indicating lamps with three colors can be realized only by needing one control line in the indicating lamp control circuit of the prior art, the implementation of the circuit is simple and reliable, and the cost is lower.
Description
Technical field
The present invention relates to television set, particularly relate to a kind of indicating lamp control circuit of television and a kind of television set.
Background technology
Indicating lamp control circuit of television of the prior art generally adopts bi-colour LED to design, if Fig. 1 is indicating lamp control circuit of television of the prior art, it comprises controllable electric power 1 and controllable electric power 2, controllable electric power 1 connects the anode of LED1, the negative electrode of LED1 is by resistance R1 ground connection, and controllable electric power 2 connects the anode of LED2, and the negative electrode of LED2 is by resistance R1 ground connection, wherein LED1 glow green, LED2 burn red.When TV standby, controllable electric power 2 couples of LED2 power, and now LED2 sends red light, and when television boot-strap, controllable electric power 1 couple of LED1 powers, now LED1 glow green.
Indicating lamp control circuit of television of the prior art needs the on and off being controlled two LED by two control lines respectively, and cost compare is high, and can only realize the switching of two kinds of color indicator lights.
Summary of the invention
The invention provides a kind of indicating lamp control circuit of television and a kind of television set, it needs in the indicating lamp control circuit of prior art control line can realize the switching of three kinds of color indicator lights, and circuit realiration is simple and reliable, and cost is lower.
Technical scheme of the present invention is:
A kind of indicating lamp control circuit of television, comprises the first light-emitting diode and the second light-emitting diode, the first resistance, the second resistance, the 3rd resistance, the first diode and the second diode;
The anode of the first light-emitting diode connects the standby power of television set, and negative electrode is by the first grounding through resistance; One termination first controllable electric power of the second resistance, the other end is connected with the anode of the first diode, and the negative electrode of the first diode is connected with the anode of the second light-emitting diode, and the negative electrode of the second light-emitting diode is by the first grounding through resistance; One termination second controllable electric power of the 3rd resistance, the other end is connected with the anode of the second diode, and the negative electrode of the second diode is connected with the anode of the second light-emitting diode;
When first controllable electric power is powered, the second controllable electric power is not powered, the second luminous tube diode current flow, the first luminous tube diode cut-off; When first controllable electric power is not powered, the second controllable electric power is powered, the first light-emitting diode and the conducting simultaneously of the second light-emitting diode; When first controllable electric power and the second controllable electric power are not powered, the first luminous tube diode current flow, the second light-emitting diode cut-off.
A kind of television set, comprise indicating lamp control circuit, this indicating lamp control circuit comprises the first light-emitting diode and the second light-emitting diode, the first resistance, the second resistance, the 3rd resistance, the first diode and the second diode;
The anode of the first light-emitting diode connects the standby power of television set, and negative electrode is by the first grounding through resistance; One termination first controllable electric power of the second resistance, the other end is connected with the anode of the first diode, and the negative electrode of the first diode is connected with the anode of the second light-emitting diode, and the negative electrode of the second light-emitting diode is by the first grounding through resistance; One termination second controllable electric power of the 3rd resistance, the other end is connected with the anode of the second diode, and the negative electrode of the second diode is connected with the anode of the second light-emitting diode;
When first controllable electric power is powered, the second controllable electric power is not powered, the second luminous tube diode current flow, the first luminous tube diode cut-off; When first controllable electric power is not powered, the second controllable electric power is powered, the first light-emitting diode and the conducting simultaneously of the second light-emitting diode; When first controllable electric power and the second controllable electric power are not powered, the first luminous tube diode current flow, the second light-emitting diode cut-off.
Another indicating lamp control circuit of television, comprises the first light-emitting diode, the second light-emitting diode, the first resistance and the second resistance;
The anode of the first light-emitting diode connects the standby power of television set, and negative electrode is by the first grounding through resistance; One termination controllable electric power of the second resistance, the other end is connected with the anode of the second light-emitting diode, and the negative electrode of the second light-emitting diode is by the first grounding through resistance;
When controllable electric power is powered, the second luminous tube diode current flow, the first luminous tube diode cut-off; When controllable electric power is not powered, the first luminous tube diode current flow, the second light-emitting diode cut-off.
Another television set, comprises indicating lamp control circuit, and this indicating lamp control circuit comprises the first light-emitting diode, the second light-emitting diode, the first resistance and the second resistance;
The anode of the first light-emitting diode connects the standby power of television set, and negative electrode is by the first grounding through resistance; One termination controllable electric power of the second resistance, the other end is connected with the anode of the second light-emitting diode, and the negative electrode of the second light-emitting diode is by the first grounding through resistance;
When controllable electric power is powered, the second luminous tube diode current flow, the first luminous tube diode cut-off; When controllable electric power is not powered, the first luminous tube diode current flow, the second light-emitting diode cut-off.
When the present invention powers at the first controllable electric power, the second controllable electric power is not powered, only have the second luminous tube diode bright, show the indicator light of the first color; When first controllable electric power and the second controllable electric power are not powered, only have the first luminous tube diode bright, show the indicator light of the second color; When first controllable electric power is not powered, the second controllable electric power is powered, bright the while of the first light-emitting diode and the second light-emitting diode, now show the indicator light of the third color; Only need control the power supply of the first controllable electric power and the second controllable electric power or not power, only use a control line in the indicating lamp control circuit of prior art, just achieved the switching of television set three kinds of color indicator lights, save connecting line, reduce cost, and circuit realiration is simple and reliable.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of indicating lamp control circuit of television of the prior art;
Fig. 2 is indicating lamp control circuit of television of the present invention circuit theory diagrams in one embodiment;
Fig. 3 is indicating lamp control circuit of television of the present invention circuit theory diagrams in another embodiment;
Fig. 4 is indicating lamp control circuit of television of the present invention circuit theory diagrams in another embodiment.
Embodiment
Below in conjunction with accompanying drawing, one detailed elaboration is done to specific embodiments of the invention.
Embodiment one
Indicating lamp control circuit of television of the present invention, as Fig. 2, comprises the first LED 1, second LED 2, first resistance R1, the second resistance R2, the 3rd resistance R3, the first diode D1 and the second diode D2;
The anode of the first LED 1 connects the standby power of television set, and negative electrode is by the first resistance R1 ground connection; One termination first controllable electric power of the second resistance R2, the other end is connected with the anode of the first diode D1, and the negative electrode of the first diode D1 is connected with the anode of the second LED 2, and the negative electrode of the second LED 2 is by the first resistance R1 ground connection; One termination second controllable electric power of the 3rd resistance R 3, the other end is connected with the anode of the second diode D2, and the negative electrode of the second diode D2 is connected with the anode of the second LED 2; Wherein the first LED 1 and the second LED 2 send the light of different colours, and the first diode D1 and the second diode D2 is common diode;
When first controllable electric power is powered, the second controllable electric power is not powered, first controllable electric power is powered to the second LED 2, second luminous tube diode (LED) 2 conducting, the voltage that the first resistance R1 produces is greater than standby power, and the first luminous tube diode (LED) 1 is ended; When first controllable electric power is not powered, the second controllable electric power is powered, second controllable electric power is powered to the second LED 2, second LED 2 conducting, the voltage now the first resistance R1 produced is less than standby power, the first LED 1 also conducting; When first controllable electric power and the second controllable electric power are not powered, the second LED 2 ends, first luminous tube diode (LED) 1 conducting under the power supply of standby power.
First LED 1 and the second LED 2 send the light of different colours, the first LED 1 burn red, the second LED 2 glow green can be set, such the present invention can show the mixed light (orange-colored light) of red light, green light and red light and green light, there is the indicator light of three kinds of colors, and only need in the indicating lamp control circuit of prior art control line to realize, save connecting line, reduce cost, and circuit structure is simple and reliable.
In a particular application, need to set the size of magnitude relationship between the first resistance R1, the second resistance R2, the 3rd resistance R3 and the first controllable electric power, the second controllable electric power and standby power, in a preferred embodiment, standby power is set to 3.3V, the voltage that first controllable electric power and the second controllable electric power export all is set to 5V, first resistance R1 is set to 470 ohm, and the second resistance R2 is set to 270 ohm, and the 3rd resistance is set to 1.3K ohm.
Conveniently adjust the electric current on the second LED 2, as Fig. 3, indicating lamp control circuit of television of the present invention also comprises the 4th resistance R4, and it is connected in parallel on the two ends of the second luminous tube diode (LED) 2.Or indicating lamp control circuit of television of the present invention also comprises voltage stabilizing didoe D3, its anode is connected with the negative electrode of the second luminous tube diode (LED) 2, and negative electrode is connected with the anode of the second luminous tube diode (LED) 2.Or, indicating lamp control circuit of television of the present invention also comprises voltage stabilizing didoe D3 and the 4th resistance R4 simultaneously, 4th resistance R4 is connected in parallel on the two ends of the second luminous tube diode (LED) 2, the anode of voltage stabilizing didoe D3 is connected with the negative electrode of the second luminous tube diode (LED) 2, and negative electrode is connected with the anode of the second luminous tube diode (LED) 2.
In actual applications, the first controllable electric power and the second controllable electric power can be controlled by the CPU in television set, after namely this CPU receives directive command, can control the power supply of the first controllable electric power and the second controllable electric power or not power.After such as CPU receives standby command, control the first controllable electric power and the second controllable electric power is not powered, now the second LED 2 ends, and first luminous tube diode (LED) 1 conducting under the power supply of standby power, can show the indicator light under holding state; After CPU receives power-on command, control that the first controllable electric power is powered, the second controllable electric power is not powered, first controllable electric power is powered to the second LED 2, and the second luminous tube diode (LED) 2 conducting, the first luminous tube diode (LED) 1 end, and can show the indicator light under open state; When CPU receives other states such as timing start-up, control that the first controllable electric power is not powered, the second controllable electric power is powered, second controllable electric power is powered to the second LED 2, second LED 2 conducting, the voltage now the first resistance R1 produced is less than standby power, first LED 1 also conducting, can indicator light under other states such as Displaying timer start.
Embodiment two
This embodiment disclose a kind of television set, it comprises indicating lamp control circuit, and the particular circuit configurations of this indicating lamp control circuit is identical with embodiment one, is not repeated herein.
Embodiment three
This embodiment disclose a kind of indicating lamp control circuit of television, as Fig. 4, it comprises the first LED 1, second LED 2, first resistance R1, the second resistance R2;
The anode of the first LED 1 connects the standby power of television set, and negative electrode is by the first resistance R1 ground connection; The one termination controllable electric power of the second resistance R2, the other end is connected with the anode of the second LED 2, and the negative electrode of the second LED 2 is by the first resistance R1 ground connection; Wherein the first LED 1 and the second LED 2 send the light of different colours;
When controllable electric power is powered, the second luminous tube diode (LED) 2 conducting, the voltage now due to the first resistance R1 producing is greater than standby power, and the first luminous tube diode (LED) 1 ends; When controllable electric power is not powered, the second LED 2 ends, and now standby power is powered to the first luminous tube diode (LED) 1, the first LED 1 conducting.
In practical application, need the magnitude relationship setting the first resistance R1, the second resistance R2 and standby power and controllable electric power.
Wherein, can the power supply of controllable electric power be controlled by the CPU in television set or not power.After such as CPU receives standby command, control controllable electric power and do not power, the second luminous tube diode (LED) 2 ends, the first luminous tube diode (LED) 1 conducting, can show the indicator light under holding state; When CPU receives power-on command, control controllable electric power and power, now the second LED 2 conducting, the first LED 1 ends.
This embodiment realizes the switching of two kinds of color indicator lights by the control line of in indicating lamp control circuit of the prior art, and circuit structure is simple and reliable, saves connecting line, reduces cost.
Embodiment four
This embodiment disclose a kind of television set, it comprises indicating lamp control circuit, and the particular circuit configurations of this indicating lamp control circuit is identical with enforcement three, is not repeated herein.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within claims of the present invention.
Claims (6)
1. an indicating lamp control circuit of television, comprises the first light-emitting diode and the second light-emitting diode, it is characterized in that, also comprise: the first resistance, the second resistance, the 3rd resistance, the first diode and the second diode;
The anode of the first light-emitting diode connects the standby power of television set, and negative electrode is by the first grounding through resistance; One termination first controllable electric power of the second resistance, the other end is connected with the anode of the first diode, and the negative electrode of the first diode is connected with the anode of the second light-emitting diode, and the negative electrode of the second light-emitting diode is by the first grounding through resistance; One termination second controllable electric power of the 3rd resistance, the other end is connected with the anode of the second diode, and the negative electrode of the second diode is connected with the anode of the second light-emitting diode;
When first controllable electric power is powered, the second controllable electric power is not powered, the second luminous tube diode current flow, the first luminous tube diode cut-off; When first controllable electric power is not powered, the second controllable electric power is powered, the first light-emitting diode and the conducting simultaneously of the second light-emitting diode; When first controllable electric power and the second controllable electric power are not powered, the first luminous tube diode current flow, the second light-emitting diode cut-off.
2. indicating lamp control circuit of television according to claim 1, is characterized in that: also comprise the 4th resistance, and it is connected in parallel on the two ends of the second luminous tube diode.
3. indicating lamp control circuit of television according to claim 1 and 2, is characterized in that: also comprise voltage stabilizing didoe, and its anode is connected with the negative electrode of the second luminous tube diode, and negative electrode is connected with the anode of the second luminous tube diode.
4. a television set, comprise indicating lamp control circuit, this indicating lamp control circuit comprises the first light-emitting diode and the second light-emitting diode, it is characterized in that, this indicating lamp control circuit also comprises: the first resistance, the second resistance, the 3rd resistance, the first diode and the second diode;
The anode of the first light-emitting diode connects the standby power of television set, and negative electrode is by the first grounding through resistance; One termination first controllable electric power of the second resistance, the other end is connected with the anode of the first diode, and the negative electrode of the first diode is connected with the anode of the second light-emitting diode, and the negative electrode of the second light-emitting diode is by the first grounding through resistance; One termination second controllable electric power of the 3rd resistance, the other end is connected with the anode of the second diode, and the negative electrode of the second diode is connected with the anode of the second light-emitting diode;
When first controllable electric power is powered, the second controllable electric power is not powered, the second luminous tube diode current flow, the first luminous tube diode cut-off; When first controllable electric power is not powered, the second controllable electric power is powered, the first light-emitting diode and the conducting simultaneously of the second light-emitting diode; When first controllable electric power and the second controllable electric power are not powered, the first luminous tube diode current flow, the second light-emitting diode cut-off.
5. television set according to claim 4, is characterized in that: this indicating lamp control circuit also comprises the 4th resistance, and it is connected in parallel on the two ends of the second luminous tube diode.
6. the television set according to claim 4 or 5, is characterized in that: this indicating lamp control circuit also comprises voltage stabilizing didoe, and its anode is connected with the negative electrode of the second luminous tube diode, and negative electrode is connected with the anode of the second luminous tube diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010541053.6A CN102123543B (en) | 2010-11-12 | 2010-11-12 | Indicating lamp control circuit of television and television |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010541053.6A CN102123543B (en) | 2010-11-12 | 2010-11-12 | Indicating lamp control circuit of television and television |
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| Publication Number | Publication Date |
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| CN102123543A CN102123543A (en) | 2011-07-13 |
| CN102123543B true CN102123543B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010541053.6A Active CN102123543B (en) | 2010-11-12 | 2010-11-12 | Indicating lamp control circuit of television and television |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113395800A (en) * | 2021-07-01 | 2021-09-14 | 广州朗国电子科技股份有限公司 | Indicating lamp control circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101175345A (en) * | 2006-10-30 | 2008-05-07 | 青岛海信电器股份有限公司 | Indicating circuit twinkling at start-up |
| CN101409965A (en) * | 2007-10-12 | 2009-04-15 | 康佳集团股份有限公司 | Circuit for controlling remote-control indicating lamp |
| CN101568210A (en) * | 2009-05-15 | 2009-10-28 | 深圳创维－Rgb电子有限公司 | Television indicator light circuit capable of reducing the standby power consumption |
| CN201444715U (en) * | 2009-08-05 | 2010-04-28 | 青岛海信电器股份有限公司 | Indicating lamp control circuit and television with circuit |
-
2010
- 2010-11-12 CN CN201010541053.6A patent/CN102123543B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101175345A (en) * | 2006-10-30 | 2008-05-07 | 青岛海信电器股份有限公司 | Indicating circuit twinkling at start-up |
| CN101409965A (en) * | 2007-10-12 | 2009-04-15 | 康佳集团股份有限公司 | Circuit for controlling remote-control indicating lamp |
| CN101568210A (en) * | 2009-05-15 | 2009-10-28 | 深圳创维－Rgb电子有限公司 | Television indicator light circuit capable of reducing the standby power consumption |
| CN201444715U (en) * | 2009-08-05 | 2010-04-28 | 青岛海信电器股份有限公司 | Indicating lamp control circuit and television with circuit |
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| CN102123543A (en) | 2011-07-13 |
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Effective date of registration: 20200701 Address after: 23 / F, Guangdong hi tech District Patentee after: Shenzhen Konka Holding Group Co.,Ltd. Address before: 518000 No. 9008 Shennan Avenue, overseas Chinese town, Shenzhen, Guangdong, Nanshan District Patentee before: KONKA GROUP Co.,Ltd. |
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Address after: 518057 23rd floor, Konka R & D building, No. 28, Keji South 12th Road, high tech Zone, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Konka Holding Group Co.,Ltd. Country or region after: China Address before: 518057 23rd floor, Konka R & D building, No. 28, Keji South 12th Road, high tech Zone, Yuehai street, Nanshan District, Shenzhen, Guangdong Patentee before: Shenzhen Konka Holding Group Co.,Ltd. Country or region before: China |