CN107622644A - A kind of acquisition method of novel switched signal - Google Patents
A kind of acquisition method of novel switched signal Download PDFInfo
- Publication number
- CN107622644A CN107622644A CN201710849923.8A CN201710849923A CN107622644A CN 107622644 A CN107622644 A CN 107622644A CN 201710849923 A CN201710849923 A CN 201710849923A CN 107622644 A CN107622644 A CN 107622644A
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- control unit
- switch
- signal voltage
- terminal
- circuit
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Abstract
The invention discloses a kind of acquisition method of novel switched signal, comprise the following steps：When control unit normal work, signal voltage when switching off is 5V or 12V, some value of signal voltage when switch closes between 0 5V or 12V；What when the first terminal of control unit has open circuit through switch to the circuit between control unit Second terminal, no matter switch in working condition, signal voltage is always 5V or 12V；What when switch has bonding to the circuit between the first terminal of control unit, no matter switch in working condition, signal voltage is always 0V.The present invention is when control unit the first terminal is to circuit bonding between control unit Second terminal, its signal voltage is different from signal voltage during normal work, now, control unit can be alarmed in a manner of malfunction indicator lamp and failure code, remind attendant's on-call maintenance.
Description
Technical field
The present invention relates to a kind of acquisition method of novel switched signal.
Background technology
For traditional switching signal acquisition method as shown in figure 1, in normal work, signal voltage when switching off is 5V
(or 12V), signal voltage when switch closes is 0V.During as switched to such as bonding of the circuit between control unit, no matter switch
In what working condition, signal voltage is always 0V；When having open circuit such as control unit to the circuit between ground connection, no matter switch
In what working condition, signal voltage is always then 5V (or 12V).
The content of the invention
The defects of the present invention seeks to exist for prior art, provides a kind of acquisition method of novel switched signal.
The present invention to achieve the above object, adopts the following technical scheme that：A kind of acquisition method of novel switched signal, including
Following steps：
1), when control unit normal work, signal voltage when switching off is 5V or 12V, letter when switch closes
Number some value of voltage between 0-5V or 12V；
2), when the first terminal of control unit has open circuit through switch to the circuit between control unit Second terminal, nothing
Any working condition is in by switch, signal voltage is always 5V or 12V；
3), when switch has bonding to the circuit between the first terminal of control unit, no matter switch and worked in what
State, signal voltage are always 0V；
4), when switch has bonding to the circuit between the Second terminal of control unit, when the switches are opened, signal voltage
For 5V or 12V；When the switch is closed, signal voltage 0V.
Beneficial effects of the present invention：The present invention is in control unit the first terminal to the circuit between control unit Second terminal
During bonding, its signal voltage is different from signal voltage during normal work, and now, control unit can be with malfunction indicator lamp and failure
The mode of code is alarmed, and reminds attendant's on-call maintenance, when necessary also controllable whole system starting protection pattern
Even it is stopped.
Brief description of the drawings
Switching signal collection schematic diagram traditional Fig. 1.
The switching signal collection schematic diagram of Fig. 2 present invention.
Embodiment
Shown in Fig. 2, it is related to a kind of acquisition method of novel switched signal, comprises the following steps：
1), when control unit normal work, signal voltage when switching off is 5V or 12V, letter when switch closes
Number some value of voltage between 0-5V or 12V；Concrete numerical value is relevant with resistance R1 and R2 numerical value.
2), when the first terminal of control unit has open circuit through switch to the circuit between control unit Second terminal, nothing
Any working condition is in by switch, signal voltage is always 5V or 12V；
3), when switch has bonding to the circuit between the first terminal of control unit, no matter switch and worked in what
State, signal voltage are always 0V；
4), when switch has bonding to the circuit between the Second terminal of control unit, when the switches are opened, signal voltage
For 5V or 12V；When the switch is closed, signal voltage 0V.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (1)
1. a kind of acquisition method of novel switched signal, it is characterised in that comprise the following steps：
1), when control unit normal work, signal voltage when switching off is 5V or 12V, signal electricity when switch closes
Press some value between 0-5V or 12V；
2), when the first terminal of control unit has open circuit through switch to the circuit between control unit Second terminal, no matter open
Pass is in any working condition, and signal voltage is always 5V or 12V；
3), when switch has bonding to the circuit between the first terminal of control unit, no matter switch in what working condition,
Signal voltage is always 0V；
4), when switch has bonding to the circuit between the Second terminal of control unit, when the switches are opened, signal voltage 5V
Or 12V；When the switch is closed, signal voltage 0V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710849923.8A CN107622644A (en) | 2017-09-13 | 2017-09-13 | A kind of acquisition method of novel switched signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710849923.8A CN107622644A (en) | 2017-09-13 | 2017-09-13 | A kind of acquisition method of novel switched signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107622644A true CN107622644A (en) | 2018-01-23 |
Family
ID=61090081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710849923.8A Withdrawn CN107622644A (en) | 2017-09-13 | 2017-09-13 | A kind of acquisition method of novel switched signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107622644A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101013149A (en) * | 2005-10-21 | 2007-08-08 | 明知大学校产学协力团 | Method and apparatus for detecting a fault section in ungrounded distribution power systems |
| CN101261301A (en) * | 2008-04-18 | 2008-09-10 | 南车株洲电力机车有限公司 | Locomotive control loop grounding detection circuit and grounding detection method and wire break detection method |
| JP2011157857A (en) * | 2010-01-29 | 2011-08-18 | Fujitsu Ten Ltd | Starter control circuit and control device |
| CN202166682U (en) * | 2011-07-20 | 2012-03-14 | 珠海泰坦新能源系统有限公司 | Fault detecting device of direct grounding |
| CN102739068A (en) * | 2011-03-31 | 2012-10-17 | 洛克威尔自动控制技术股份有限公司 | Ground scheme identification method |
| CN103022992A (en) * | 2012-11-23 | 2013-04-03 | 山东电力集团公司 | Feeder ground positioning method based on dispersion zero sequence voltage detection |
| CN103543384A (en) * | 2013-10-15 | 2014-01-29 | 国家电网公司 | Method for determining bus ground faults |
| CN203932966U (en) * | 2014-01-02 | 2014-11-05 | 张斌 | A kind of device that earth fault signal is provided to demarcation switch |
| CN107076793A (en) * | 2014-11-04 | 2017-08-18 | 法国大陆汽车公司 | The diagnostic method of the earth fault of the starting/stopping component of motor vehicles |
-
2017
- 2017-09-13 CN CN201710849923.8A patent/CN107622644A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101013149A (en) * | 2005-10-21 | 2007-08-08 | 明知大学校产学协力团 | Method and apparatus for detecting a fault section in ungrounded distribution power systems |
| CN101261301A (en) * | 2008-04-18 | 2008-09-10 | 南车株洲电力机车有限公司 | Locomotive control loop grounding detection circuit and grounding detection method and wire break detection method |
| JP2011157857A (en) * | 2010-01-29 | 2011-08-18 | Fujitsu Ten Ltd | Starter control circuit and control device |
| CN102739068A (en) * | 2011-03-31 | 2012-10-17 | 洛克威尔自动控制技术股份有限公司 | Ground scheme identification method |
| CN202166682U (en) * | 2011-07-20 | 2012-03-14 | 珠海泰坦新能源系统有限公司 | Fault detecting device of direct grounding |
| CN103022992A (en) * | 2012-11-23 | 2013-04-03 | 山东电力集团公司 | Feeder ground positioning method based on dispersion zero sequence voltage detection |
| CN103543384A (en) * | 2013-10-15 | 2014-01-29 | 国家电网公司 | Method for determining bus ground faults |
| CN203932966U (en) * | 2014-01-02 | 2014-11-05 | 张斌 | A kind of device that earth fault signal is provided to demarcation switch |
| CN107076793A (en) * | 2014-11-04 | 2017-08-18 | 法国大陆汽车公司 | The diagnostic method of the earth fault of the starting/stopping component of motor vehicles |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180123 |