CN103744773A - Computer status indicator lamp driving circuit - Google Patents
Computer status indicator lamp driving circuit Download PDFInfo
- Publication number
- CN103744773A CN103744773A CN201310755872.4A CN201310755872A CN103744773A CN 103744773 A CN103744773 A CN 103744773A CN 201310755872 A CN201310755872 A CN 201310755872A CN 103744773 A CN103744773 A CN 103744773A
- Authority
- CN
- China
- Prior art keywords
- computer
- indicator lamp
- status indicator
- driving circuit
- status
- 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.)
- Pending
Links
Images
Landscapes
- Debugging And Monitoring (AREA)
Abstract
The invention provides a computer status indicator lamp driving circuit which is used for driving a status indicator lamp mounted in a computer. The computer status indicator lamp driving circuit comprises a first control portion, a first driving portion, a second control portion and a second driving portion, the computer comprises a working status signal output portion and a dormant status signal output portion, the status indicator lamp comprises a first input portion and a second input portion, the first control portion and the second control portion of the computer status indicator lamp driving circuit are connected with the working status signal output portion and the dormant status signal output portion respectively, and the first driving portion and the second driving portion are connected with the first input portion and the second input portion of the status indicator lamp respectively. The computer status indicator lamp driving circuit uses signals indicating the working status and the dormant status of the computer as input control signals and outputs different driving signals according to the statuses of the computer to drive the status indicator lamp, so that the status indicator lamp changes along with change of the statuses of the computer.
Description
Technical field
The present invention relate to a kind of computer in driving circuit, the driving circuit of the especially a kind of status indicator lamp for computer indication computer work state.
Background technology
In the middle of the use of computer, computer has normal operating conditions and dormant state, if any computer there is battery saving mode, without issue when computer a period of time, automatically enter dormant state, or people arrange computer state or dormant state as required.
For showing computer different operating state, conventionally use status indicator lamp, when different conditions, the demonstration of pilot lamp is different.Have plenty of and on the motherboard of computer or display, two states are set and refer to lamp, a pilot lamp continues shinny when computer normal operating conditions, when computer dormancy, extinguish, another pilot lamp extinguishes when computer normal operating conditions, continues shinny when computer dormancy.The computer also having is only provided with a status indicator lamp, and pilot lamp continues bright when computer normal operating conditions, when computer dormancy, glimmers.
Status indicator lamp control circuit used must be by Single-chip Controlling, and the use of single-chip microcomputer is comparatively complicated, needs design control flow, and the cost of the auxiliary function circuit on this computer of status indicator lamp is increased greatly, real unnecessary.And the trend of computer status indicator lamp is the pilot lamp that two different colours are set now, the reserved space that shows various states while improving for computer function, therefore, needs a kind of better simply driving circuit of design, drives the status indicator lamp with two pilot lamp.
Summary of the invention
The object of the present invention is to provide a kind of computer driving circuit for status display lamp, make status indicator lamp should show different effects for the different shapes of computer.
The invention provides a kind of computer driving circuit for status display lamp, for the status indicator lamp of drive unit in computer, computer comprises working state signal efferent and a sleep status signal efferent, status indicator lamp comprises the first efferent and the second input part, computer driving circuit for status display lamp comprises the first control part, the first drive division, the second control part and the second drive division, the first control part is connected with sleep status signal efferent with the work of computer respectively with the second control part, the first drive division and the second drive division be the first input part and second input part of connection status pilot lamp respectively.
In some embodiments, wherein computer driving circuit for status display lamp comprises the first electric crystal and the second electric crystal, the collector of the first electric crystal is connected to the first drive division of computer driving circuit for status display lamp, and the collector of the second electric crystal is connected to the second drive division.
In some embodiments, the first control part of computer driving circuit for status display lamp is connected with the base stage of electric crystal by resistance, and the second control part of computer driving circuit for status display lamp is connected with the base stage of electric crystal by resistance.
In some embodiments, it is characterized in that, wherein the equal ground connection of emitter of the first electric crystal and the second electric crystal.
In some embodiments, the first drive division contact resistance of computer driving circuit for status display lamp wherein, another portion of resistance is connected to the power supply unit of computer driving circuit for status display lamp, and the second drive division of computer driving circuit for status display lamp is connected the power supply unit of computer driving circuit for status display lamp by resistance (R4).
Beneficial effect of the present invention is: circuit structure is simple, can effectively save the cost of auxiliary function circuit on computer, and can realize the different conditions of driving condition pilot lamp indication computer.。
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present invention;
Fig. 2 is the acousto-optic device theory diagram of one embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail explanation.
A kind of computer driving circuit for status display lamp, for the status indicator lamp of drive unit in computer, described computer comprises working state signal efferent and a sleep status signal efferent, described status indicator lamp 6 comprises the first efferent and the second input part, it is characterized in that, described computer status indicator lamp 6 driving circuits 10 comprise the first control part 1, the first drive division 4, the second control part 2 and the second drive division 5, described the first control part 1 is connected with sleep status signal efferent with the work of described computer respectively with described the second control part 2, described the first drive division 4 and described the second drive division 5 are connected respectively the first input part and second input part of described status indicator lamp 6.
The power supply unit Vcc of circuit 10.The second control part 2 of computer driving circuit for status display lamp 10 meets the base stage B of an electric crystal Q2 by a resistance R 2, the collector C of electric crystal Q2 is connected to the second drive division 5, the second drive divisions 5 and by a resistance R 4, connects the power supply unit Vcc of computer driving circuit for status display lamp 10.The equal ground connection of emitter E of electric crystal Q1, Q2.
The driving control principle of computer driving circuit for status display lamp 10 is that the signal that represents computer work and dormant state is accessed respectively to computer driving circuit for status display lamp 10 as input control signal, the different driving signal of State-output of computer driving circuit for status display lamp 10Gen building computer, so that two light-emittingdiode D1, D2 of driving condition pilot lamp 6 change with the variation of showing computer state respectively.
As shown in Figure 2, status indicator lamp 6 is established on the motherboard 20 of computer, the connection diagram of computer driving circuit for status display lamp 10 when Fig. 2 is status indicator lamp 6 and establishes on motherboard 20.Motherboard 20 comprises a south bridge wafer 30, and south bridge wafer 30 comprises a working state signal efferent S01 and a sleep status signal efferent S13.The signal sending during working state signal efferent S01 computer normal operating conditions is high level, and the signal sending during computer dormant state is low level; The signal sending during sleep status signal efferent S13 computer normal operating conditions is low level, and the signal sending during computer dormant state is high level.The first control part 1 of computer driving circuit for status display lamp 10 meets working state signal efferent S01, and the second control part 2 meets sleep status signal efferent S13.The power supply unit Vcc of computer driving circuit for status display lamp 1O connects 5 volts of power supplys on motherboard 20.
When motherboard is processed normal operating conditions, the signal that the working state signal efferent S01 of south bridge 30 sends is high level, and the signal being sent by sleep status signal efferent S13 is low level, electric crystal Q1 place conducting state, electric crystal Q2 place cut-off state.The voltage of high first drive division 1 of voltage of the second drive division 2, flow through resistance R 4, green emitting diode D1, electric crystal Q1 of electric current.Green emitting diode D1 conducting, orange luminescence diode D2 cut-off.D1 is driven for green emitting diode, status indicator lamp 6 green light.When motherboard place dormant state, the signal that the working state signal efferent S01 of south bridge 30 sends is low level, and the signal being sent by sleep status signal efferent S13 is high level, electric crystal Q1 place cut-off state, electric crystal Q2 place conducting state.The voltage of high second drive division 2 of voltage of the first drive division 1, flow through resistance R 3, orange luminescence diode D2, electric crystal Q2 of electric current.Orange luminescence diode D2 conducting, green emitting diode D1 cut-off.D2 is driven for orange luminescence diode, and light sent out orange by status indicator lamp 6.
Claims (5)
1. a computer driving circuit for status display lamp, for the status indicator lamp of drive unit in computer, described computer comprises working state signal efferent and a sleep status signal efferent, described status indicator lamp (6) comprises the first efferent and the second input part, it is characterized in that, described computer status indicator lamp (6) driving circuit (10) comprises the first control part (1), the first drive division (4), the second control part (2) and the second drive division (5), described the first control part (1) is connected with sleep status signal efferent with the work of described computer respectively with described the second control part (2), described the first drive division (4) and described the second drive division (5) are connected respectively the first input part and second input part of described status indicator lamp (6).
2. computer status indicator lamp (6) driving circuit (10) according to claim 1, it is characterized in that, wherein said computer status indicator lamp (6) driving circuit (10) comprises the first electric crystal (Q1) and the second electric crystal (Q2), the collector of described the first electric crystal (Q1) is connected to described first drive division (4) of described computer status indicator lamp (6) driving circuit (10), and the collector of described the second electric crystal (Q2) is connected to described the second drive division (5).
3. computer status indicator lamp (6) driving circuit (10) according to claim 1, it is characterized in that, first control part (1) of described computer status indicator lamp (6) driving circuit (10) is connected with the base stage of described electric crystal (Q1) by resistance (R1), and described second control part (2) of described computer status indicator lamp (6) driving circuit (10) is connected with the base stage of described electric crystal Q2 by resistance (R2).
4. computer status indicator lamp (6) driving circuit (10) according to claim 1, is characterized in that the equal ground connection of emitter of wherein said electric crystal Q1, Q2.
5. computer status indicator lamp (6) driving circuit (10) according to claim 2, it is characterized in that, described the first drive division (4) contact resistance (R3) of wherein said computer status indicator lamp (6) driving circuit (10), another portion of described resistance (R3) is connected to the power supply unit of described computer status indicator lamp (6) driving circuit (10), and described second drive division (5) of described computer status indicator lamp (6) driving circuit (10) is connected the power supply unit of described computer status indicator lamp (6) driving circuit (10) by resistance (R4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755872.4A CN103744773A (en) | 2013-12-27 | 2013-12-27 | Computer status indicator lamp driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310755872.4A CN103744773A (en) | 2013-12-27 | 2013-12-27 | Computer status indicator lamp driving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103744773A true CN103744773A (en) | 2014-04-23 |
Family
ID=50501793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310755872.4A Pending CN103744773A (en) | 2013-12-27 | 2013-12-27 | Computer status indicator lamp driving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103744773A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1786922A (en) * | 2004-12-11 | 2006-06-14 | 鸿富锦精密工业（深圳）有限公司 | Driving circuit for status display lamp of computer |
| CN1804812A (en) * | 2004-12-25 | 2006-07-19 | 鸿富锦精密工业（深圳）有限公司 | Computer state indicator light |
| US20070090964A1 (en) * | 2005-10-26 | 2007-04-26 | Hon Hai Precision Industry Co., Ltd. | Indicating circuit for computer |
-
2013
- 2013-12-27 CN CN201310755872.4A patent/CN103744773A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1786922A (en) * | 2004-12-11 | 2006-06-14 | 鸿富锦精密工业（深圳）有限公司 | Driving circuit for status display lamp of computer |
| CN1804812A (en) * | 2004-12-25 | 2006-07-19 | 鸿富锦精密工业（深圳）有限公司 | Computer state indicator light |
| US20070090964A1 (en) * | 2005-10-26 | 2007-04-26 | Hon Hai Precision Industry Co., Ltd. | Indicating circuit for computer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103401209A (en) | LED backlight short-circuit protection circuit | |
| CN100405319C (en) | Computer state indicator light | |
| CN201733479U (en) | Circuit for carrying out pulse control on constant current diode to conduct and drive LED to emit light | |
| CN203260299U (en) | Driving control circuit | |
| CN204270639U (en) | Liquid crystal display LED backlight dynamic light adjustment device | |
| CN103425057A (en) | Switch circuit and electronic device with same | |
| CN202126823U (en) | Novel LED (light emitting diode) energy saving screen | |
| CN104731686A (en) | Indicator control system and electronic device | |
| CN100490597C (en) | Drive circuit of power supply indicating lamp | |
| CN100405318C (en) | Driving circuit for status display lamp of computer | |
| CN203658993U (en) | Driving circuit for status indicator lamp of computer | |
| CN104950239A (en) | Backlight driving detection circuit | |
| CN103744773A (en) | Computer status indicator lamp driving circuit | |
| CN203813706U (en) | A direct current motor forward-rotating and counter-rotating control circuit | |
| CN102003399B (en) | Fan time delay control circuit | |
| CN201277998Y (en) | Power-on indication circuit for electric power | |
| CN204392632U (en) | LED indicating circuit on a kind of automobile center console | |
| CN202351637U (en) | Direct current (DC) power supply on-off control circuit | |
| CN201440078U (en) | Electronic water meter | |
| CN219380837U (en) | Automatic cutting bed scram circuit | |
| CN102798072A (en) | Power failure emergency illuminating lamp device | |
| CN203261314U (en) | Modulator circuit based on NAND gate integrated circuit | |
| CN202443410U (en) | Positive and negative logic compatible circuit for remotely controlling power supply | |
| CN202889739U (en) | Imitation screen light control device capable of automatically adjusting three-stage light-emitting brightness | |
| CN102291873A (en) | television indicating lamp control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140423 |