CN107305519A - Start indicating circuit and the electronic installation with the start indicating circuit - Google Patents
Start indicating circuit and the electronic installation with the start indicating circuit Download PDFInfo
- Publication number
- CN107305519A CN107305519A CN201610253285.9A CN201610253285A CN107305519A CN 107305519 A CN107305519 A CN 107305519A CN 201610253285 A CN201610253285 A CN 201610253285A CN 107305519 A CN107305519 A CN 107305519A
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- CN
- China
- Prior art keywords
- power supply
- light
- electronic switch
- emitting component
- indicating circuit
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- 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.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
- G06F11/324—Display of status information
- G06F11/325—Display of status information by lamps or LED's
Abstract
One kind start indicating circuit, it is connected with the mainboard in an electronic installation, the start indicating circuit includes a key switch, an electronic switch and a light-emitting component, the electronic switch is connected to the key switch, the key switch is connected to one first power supply by a second resistance, the electronic switch is also connected to first power supply by a 3rd resistor, and the electronic switch is connected to the light-emitting component, and the light-emitting component is additionally coupled to a second source；When first abnormity of power supply is powered, the button is pressed, the electronic switch conducting, the light-emitting component is lighted to point out first power supply as mainboard abnormal electrical power supply.There is the start indicating circuit present invention also offers one kind.Present invention start indicating circuit and electronic installation by pressing the shift knob, and according to the luminance of the light-emitting component can get information about first power supply whether normal power supply.
Description
Technical field
The present invention relates to it is a kind of start shooting indicating circuit and with it is described start indicating circuit electronic installation.
Background technology
Booting computer and the button of shutdown can at present be mostly arranged on the front panel of computer housing, and cabinet is placed on below computer desk, all needs to bend to press the button when such user starts shooting every time.And, the attaching plug of computer is often provided in the front panel of cabinet, so, when user presses the shift knob but computer and when being not keyed up, the reason for user does not know boot failure is due to that attaching plug loosens or come off, or broken down inside computer, in this way, many inconvenience will be caused to user.
The content of the invention
In view of the foregoing, it is necessary to which a kind of start indicating circuit of simple, intuitive and the electronic installation with the start indicating circuit are provided.
One kind start indicating circuit, it is connected with the mainboard in an electronic installation, the start indicating circuit includes a key switch being arranged in the front panel of the electronic installation, one electronic switch and a light-emitting component, the first end of the electronic switch passes through a first resistor and a capacity earth, the first end of the electronic switch is also connected to the first end of the key switch by the first resistor, the first end of the key switch is connected to one first power supply by a second resistance, the second end ground connection of the key switch, second end of the electronic switch is also connected to first power supply by a 3rd resistor, the three-terminal link of the electronic switch to the light-emitting component first end, second end of the light-emitting component is connected to a second source, first power supply connects the mainboard to provide working power for the mainboard；When first abnormity of power supply is powered, the key switch is pressed so that the second end of the electronic switch receives the control signal that the key switch is exported by the first resistor, the control signal drives the electronic switch to turn on, and the light-emitting component is lighted to point out first power supply as mainboard abnormal electrical power supply.
Further, when the first power supply normal power supply, the electronic switch receives the power control signal exported from first power supply by the first resistor, the power control signal drives the electronic switch cut-off, and the light-emitting component will not be lighted to point out first power supply as mainboard normal power supply.
Further, the electronic switch is a FET, and the first end of the electronic switch, the second end and the 3rd end correspond to drain electrode, grid and the source electrode of the FET.
Further, the light-emitting component is a light emitting diode, and the first end of the light-emitting component and the second end correspond to the negative electrode and anode of the light emitting diode.
A kind of electronic installation, including a start indicating circuit and a mainboard, the start indicating circuit is in the electronic installation, the start indicating circuit connects the mainboard, the start indicating circuit includes a key switch being arranged in the front panel of the electronic installation, one electronic switch and a light-emitting component, the first end of the electronic switch passes through a first resistor and a capacity earth, the first end of the electronic switch is also connected to the first end of the key switch by the first resistor, the first end of the key switch is connected to one first power supply by a second resistance, the second end ground connection of the key switch, second end of the electronic switch is also connected to first power supply by a 3rd resistor, the three-terminal link of the electronic switch to the light-emitting component first end, second end of the light-emitting component is connected to a second source, first power supply connects the mainboard to provide working power for the mainboard；When first abnormity of power supply is powered, the key switch is pressed so that the second end of the electronic switch receives the low level control signal that the key switch is exported by the first resistor, the control signal drives the electronic switch to turn on, and the light-emitting component is luminous to point out first power supply as mainboard abnormal electrical power supply.
Further, when the first power supply normal power supply, the electronic switch receives the power control signal exported from first power supply by the first resistor, the power control signal drives the electronic switch cut-off, and the light-emitting component will not be lighted to point out first power supply as mainboard normal power supply.
Further, the electronic switch is a FET, and the first end of the electronic switch, the second end and the 3rd end correspond to drain electrode, grid and the source electrode of the FET.
Further, the light-emitting component is a light emitting diode, and the first end of the light-emitting component and the second end correspond to the negative electrode and anode of the light emitting diode.
Present invention start indicating circuit and electronic installation with the start indicating circuit can by pressing the shift knob, and according to the luminance of the light-emitting component can get information about first power supply whether normal power supply.
Brief description of the drawings
Below in conjunction with the accompanying drawings and better embodiment is described in further detail to the present invention：
Fig. 1 is the block diagram of the better embodiment of electronic installation of the present invention.
Fig. 2 is the circuit diagram of the better embodiment of start indicating circuit in Fig. 1.
Main element symbol description
| Start indicating circuit | 100 |
| Mainboard | 200 |
| Electronic installation | 400 |
| SIO | 10 |
| PCH | 20 |
| Resistance | R1-R4 |
| Electric capacity | C1 |
| Electronic switch | Q1 |
| Key switch | S1 |
| Light-emitting component | D1 |
Following embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Embodiment
It refer to shown in Fig. 1 and Fig. 2, better embodiment of the present invention provides a kind of start indicating circuit 100, the start indicating circuit 100 is applied to an electronic installation（Such as a desktop computer）In 400, the start indicating circuit 100 is in the electronic installation 400, the start indicating circuit 100 connects the mainboard 200 in the electronic installation 400, to export a start control signal to the mainboard 200 so that the mainboard 200 performs switching on and shutting down action.
In present embodiment, the start indicating circuit 100 includes a light-emitting component D1, an electronic switch Q1, four resistance R1-R4, an electric capacity C1 and a key switch S1.Wherein, the key switch S1 is arranged in a front panel of the electronic installation 400, in order to which user performs the switching on and shutting down action of electronic installation 400.
In present embodiment, the shift knob 200 has a first end and one second end.
In present embodiment, the first end of the electronic switch Q1 is grounded by the resistance R2 and electric capacity C1, the first end of the electronic switch Q1 is also electrically connected to the first end of the key switch S1 by resistance R2, the first end of the key switch S1 is connected to the+3P3V_SB power supplys by resistance R1, the second end ground connection of the key switch S1, the second end of the electronic switch Q1 is connected to the+3P3V_SB power supplys by the resistance R3, the three-terminal link of the electronic switch Q1 to the light-emitting component D1 first end, the second end of the light-emitting component D1 is connected to+3V_BAT a power supplys, the first end of the key switch S1 is also connected to the mainboard 200 by resistance R4.
In present embodiment, the mainboard 200 includes a SIO（Spuer Input/Output, super input and output）The PCH of chip 10 and one（Platform Controller Hub, the network control center）Chip 20, the SIO chip 10 and the PCH chips 20 are used to control the mainboard 200 to perform start and shutdown action.
In present embodiment, the SIO chip 10 includes an a starting-up signal control end PWRBTN# and power end VCC, the starting-up signal control end PWRBTN# of the SIO chip 10 is connected to the first end of the shift knob S1 to receive the start control signal of the key switch S1 outputs by the resistance R4, and the power end VCC of the SIO chip 10 is connected to the+3P3V_SB power supplys to be used as its working power.
In present embodiment, the PCH chips 20 include an a starting-up signal control end PWRBTN# and power end VCC, the starting-up signal control end PWRBTN# of the PCH chips is connected to the first end of the shift knob S1 to receive the start control signal of the key switch S1 outputs by the resistance R4, and the power end VCC of the PCH chips 20 is connected to the+3P3V_SB power supplys to be used as its working power.
Work as system power supply（I.e. described+3P3V_SB power supplys）During normal power supply, the electronic switch Q1 receives the power control signal of the high level exported from+3P3V_SB the power supplys by resistance R3, the electronic switch Q1 cut-offs, the light-emitting component D1 will not be lighted, so with prompt system power supply just for the normal power supply of mainboard 200.
Now, when pressing the key switch S1, the starting-up signal control end PWRBTN# of the starting-up signal control end PWRBTN# of the SIO chip 10 and the PCH chips 20 receives a low level start control signal of the shift knob S1 outputs, and the SIO chip 10 and the PCH chips 20 control the mainboard 200 to perform boot action after receiving the low level start control signal of the shift knob S1 outputs.
When+3P3V_SB the abnormity of power supply is powered, when i.e. described mainboard 200 and the start indicating circuit 100 do not receive the+3P3V_SB power supplys, now, the second end of the electronic switch Q1 is in vacant state, understood based on elementary logic circuit principle, the level state at the second end of the electronic switch Q1 is high level, and now electronic switch Q1 will be in cut-off state.Now because the SIO chip 10 and the PCH chips 20 fail to receive described in+3P3V_SB power supplys will be stopped.Now, when pressing the key switch S1, the second end of the electronic switch Q1 will be grounded by the key switch S1, the second end of the electronic switch Q1 receives the low level control signal exported from the key switch S1 by the resistance R3 and resistance R1, to cause the electronic switch Q1 to turn on, further such that the light-emitting component D1 will be lighted to point out+3P3V_SB the abnormity of power supply to power.
In present embodiment, the light-emitting component D1 is a light emitting diode（Light Emitting
Diode, LED）.The first end of the light-emitting component D1 and the second end correspond to the negative electrode and anode of the light emitting diode.
In present embodiment, the electronic switch Q1 is a FET, and first end, the second end and the 3rd end of the electronic switch Q1 correspond to drain electrode, grid and the source electrode of the FET.
So, the present invention start indicating circuit 100 and with it is described start indicating circuit 100 electronic installation 400 can get information about very much whether the system power supply is the normal power supply of mainboard 200 by pressing the shift knob S1, and according to the luminance of the light-emitting component D1.
Finally it should be noted that, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although the present invention is described in detail with reference to preferred embodiment, it will be understood by those within the art that, technical scheme can be modified or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention.
Claims (8)
1. one kind start indicating circuit, is connected with the mainboard in an electronic installation, it is characterised in that：The start indicating circuit includes a key switch being arranged in the front panel of the electronic installation, one electronic switch and a light-emitting component, the first end of the electronic switch passes through a first resistor and a capacity earth, the first end of the electronic switch is also connected to the first end of the key switch by the first resistor, the first end of the key switch is connected to one first power supply by a second resistance, the second end ground connection of the key switch, second end of the electronic switch is also connected to first power supply by a 3rd resistor, the three-terminal link of the electronic switch to the light-emitting component first end, second end of the light-emitting component is connected to a second source, first power supply connects the mainboard to provide working power for the mainboard；When first abnormity of power supply is powered, the key switch is pressed so that the second end of the electronic switch receives the control signal that the key switch is exported by the first resistor, the control signal drives the electronic switch to turn on, and the light-emitting component is luminous to point out first power supply as mainboard abnormal electrical power supply.
2. indicating circuit of starting shooting as claimed in claim 1, it is characterised in that：When the first power supply normal power supply, the electronic switch receives the power control signal exported from first power supply by the first resistor, the power control signal drives the electronic switch cut-off, and the light-emitting component will not be lighted to point out first power supply as mainboard normal power supply.
3. indicating circuit of starting shooting as claimed in claim 2, it is characterised in that：The electronic switch is a FET, and the first end of the electronic switch, the second end and the 3rd end correspond to drain electrode, grid and the source electrode of the FET.
4. indicating circuit of starting shooting as claimed in claim 2, it is characterised in that：The light-emitting component is a light emitting diode, and the first end of the light-emitting component and the second end correspond to the negative electrode and anode of the light emitting diode.
5. a kind of electronic installation, including a start indicating circuit and a mainboard, it is characterised in that：The start indicating circuit is in the electronic installation, the start indicating circuit connects the mainboard, the start indicating circuit includes a key switch being arranged in the front panel of the electronic installation, one electronic switch and a light-emitting component, the first end of the electronic switch passes through a first resistor and a capacity earth, the first end of the electronic switch is also connected to the first end of the key switch by the first resistor, the first end of the key switch is connected to one first power supply by a second resistance, the second end ground connection of the key switch, second end of the electronic switch is also connected to first power supply by a 3rd resistor, the three-terminal link of the electronic switch to the light-emitting component first end, second end of the light-emitting component is connected to a second source, first power supply connects the mainboard to provide working power for the mainboard；When first abnormity of power supply is powered, the key switch is pressed so that the second end of the electronic switch receives the control signal that the key switch is exported by the first resistor, the control signal drives the electronic switch to turn on, and the light-emitting component is luminous to point out first power supply as mainboard abnormal electrical power supply.
6. electronic installation as claimed in claim 5, it is characterised in that：When the first power supply normal power supply, the electronic switch receives the power control signal exported from first power supply by the first resistor, the power control signal drives the electronic switch cut-off, and the light-emitting component will not be lighted to point out first power supply as mainboard normal power supply.
7. electronic installation as claimed in claim 6, it is characterised in that：The electronic switch is a FET, and the first end of the electronic switch, the second end and the 3rd end correspond to drain electrode, grid and the source electrode of the FET.
8. electronic installation as claimed in claim 6, it is characterised in that：The light-emitting component is a light emitting diode, and the first end of the light-emitting component and the second end correspond to the negative electrode and anode of the light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253285.9A CN107305519B (en) | 2016-04-22 | 2016-04-22 | Starting-up indicating circuit and electronic device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610253285.9A CN107305519B (en) | 2016-04-22 | 2016-04-22 | Starting-up indicating circuit and electronic device with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107305519A true CN107305519A (en) | 2017-10-31 |
| CN107305519B CN107305519B (en) | 2022-06-17 |
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ID=60151865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610253285.9A Active CN107305519B (en) | 2016-04-22 | 2016-04-22 | Starting-up indicating circuit and electronic device with same |
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| Country | Link |
|---|---|
| CN (1) | CN107305519B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1045013A (en) * | 1963-01-09 | 1966-10-05 | Western Electric Co | Monitoring and control apparatus |
| CN101373395A (en) * | 2007-08-24 | 2009-02-25 | 鸿富锦精密工业（深圳）有限公司 | Power supply alarm circuit |
| US20090313494A1 (en) * | 2008-06-13 | 2009-12-17 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Voltage detection device |
| US20130300567A1 (en) * | 2012-05-10 | 2013-11-14 | Hon Hai Precision Industry Co., Ltd. | Error indication circuit |
| CN104102564A (en) * | 2014-07-23 | 2014-10-15 | 浪潮电子信息产业股份有限公司 | Device for lighting bicolor LED lamp on basis of different power supply states |
| WO2015172584A1 (en) * | 2014-05-13 | 2015-11-19 | 中兴通讯股份有限公司 | Electronic apparatus and assistant power on-off device thereof |
-
2016
- 2016-04-22 CN CN201610253285.9A patent/CN107305519B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1045013A (en) * | 1963-01-09 | 1966-10-05 | Western Electric Co | Monitoring and control apparatus |
| CN101373395A (en) * | 2007-08-24 | 2009-02-25 | 鸿富锦精密工业（深圳）有限公司 | Power supply alarm circuit |
| US20090313494A1 (en) * | 2008-06-13 | 2009-12-17 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Voltage detection device |
| US20130300567A1 (en) * | 2012-05-10 | 2013-11-14 | Hon Hai Precision Industry Co., Ltd. | Error indication circuit |
| WO2015172584A1 (en) * | 2014-05-13 | 2015-11-19 | 中兴通讯股份有限公司 | Electronic apparatus and assistant power on-off device thereof |
| CN104102564A (en) * | 2014-07-23 | 2014-10-15 | 浪潮电子信息产业股份有限公司 | Device for lighting bicolor LED lamp on basis of different power supply states |
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| Publication number | Publication date |
|---|---|
| CN107305519B (en) | 2022-06-17 |
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