CN106291211B - Power-supply adapter test circuit - Google Patents
Power-supply adapter test circuit Download PDFInfo
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- CN106291211B CN106291211B CN201510292359.5A CN201510292359A CN106291211B CN 106291211 B CN106291211 B CN 106291211B CN 201510292359 A CN201510292359 A CN 201510292359A CN 106291211 B CN106291211 B CN 106291211B
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Abstract
The present invention discloses a kind of offer power-supply adapter test circuit, including：Switch；Battery, anode are connect with the one end switched；First light emitting diode, cathode are connect with battery cathode；First resistor, one end are connect with the first light emitting diode anode；Interface has two-terminal, and first terminal is connect with the switch other end, and Second terminal is connect with the first resistor other end；Second light emitting diode, anode and power-supply adapter anode pin；Second resistance, one end are connect with the second light emitting diode cathode, and the other end connects the negative pin of power-supply adapter；Third light emitting diode, cathode connect the second light emitting diode anode, and anode connects the second light emitting diode cathode.It using the test circuit of the present invention, fast and accurate can not only detect that power-supply adapter short circuit, open circuit etc. are bad, can also avoid connecting tin inside power supply changeover device causing and burning for mainboard is caused during short circuit, so as to save cost of manufacture.
Description
【Technical field】
The present invention relates to a kind of intelligence test circuit and method, more particularly to a kind of power-supply adapter test circuit and side
Method.
【Background technology】
Power supply changeover device in the production process, mostly using surface mounting technology come between processing element and printed circuit board
Welding Problems, but in surface mounting technology operation the required tin cream used, printing machine, put part machine, may all influence
To the making quality of surface mounting technology.On the one hand, research staff is then easy to welding in configuration such as too tight
The tin that overflows inside Shi Zaocheng power source heads forms short circuit.On the other hand, the time such as tin cream deficiency or tin stove is too fast, may all make
Open circuit is generated, and the situation of general cold welding or missing solder into the situation of cold welding or missing solder, naked eyes can not be used to discover easily, it must
When must power supply changeover device be connected to mainboard and being tested, just easily judge whether welding situation is good, but such way not only can
Connect tin inside power supply changeover device and cause and burning for mainboard is caused during short circuit, and increase cost of manufacture can be scrapped because of mainboard.
In view of this, it is not smart to solve power supply changeover device detection it is really necessary to develop a kind of power-supply adapter test circuit
Standard, the activity duration is long, and the problem of increase operating cost.
【Invention content】
It is therefore an object of the present invention to provide a kind of power-supply adapter test circuit, solution detects not smart in the prior art
Really, the activity duration is long, and the problem of increase operating cost.
In order to achieve the above object, the present invention provides a kind of power-supply adapter test circuit, for detecting power-supply adapter
Welding situation, described power-supply adapter one end are selectively connect with external power supply, and there is the other end anode pin and cathode to draw
Foot, including：
Switch, is used to control the connecting and disconnecting of test loop；
Battery, anode are connect with one end of the switch；
First light emitting diode, cathode are connect with the battery cathode；
First resistor, one end are connect with the first light emitting diode anode；
Interface, has first terminal and a Second terminal, the first terminal connection switch other end connection, and described the
Two-terminal is connect with the first resistor other end；
Second light emitting diode, anode are connect with the first terminal of the interface；
Second resistance, one end are connect with the second light emitting diode cathode, and the second resistance other end connects institute
State the Second terminal of interface；
Third light emitting diode, cathode connect the second light emitting diode anode, and the third light emitting diode is just
Pole connects the second light emitting diode cathode.
Optionally, the switch is button switch.
Optionally, the first resistor and second resistance is prevent electric current is excessive from burning light emitting diode.
Optionally, the first resistor resistance value is 10K Ω.
Optionally, the second resistance resistance value is 10K Ω.
Optionally, the external power supply is a charge power supply.
Optionally, the external power supply is 19V.
Compared to the prior art, using the power-supply adapter test circuit of the present invention, fast and accurate can not only detect
Go out that power-supply adapter short circuit, open circuit etc. are bad, and the activity duration is short, can also avoid causing short circuit because connecting tin inside power supply changeover device
And burning for mainboard is caused, so as to reduce cost of manufacture.
【Description of the drawings】
Fig. 1 is schematically shown as the circuit diagram of one preferred embodiment of power-supply adapter test circuit of the present invention.
【Specific embodiment】
Referring to Fig. 1, it is schematically shown as the circuit diagram of one preferred embodiment of power-supply adapter test circuit of the present invention.
In order to achieve the above object, the present invention provides a kind of power-supply adapter test circuit, for detecting power-supply adapter
Welding situation, described power-supply adapter one end selectively connect 19 with external power supply, and the other end has anode pin and cathode
Pin, including：
Switch 11, is used to control the connecting and disconnecting of test loop；
Battery 12, anode are connect with one end of the switch 11；
First light emitting diode 13, cathode are connect with 12 cathode of battery；
First resistor 14, one end are connect with 13 anode of the first light emitting diode；
Interface 15 has first terminal 151 and Second terminal 152, and it is another that the first terminal 151 connects the switch 11
End connection, the Second terminal 152 are connect with 14 other end of first resistor；
Second light emitting diode 16, anode connect with the first terminal 151 of the interface 15 and connect；
Second resistance 17, one end are connect with 16 cathode of the second light emitting diode, 17 other end of second resistance
Connect the Second terminal 152 of the interface 15；
Third light emitting diode 18, cathode connect 16 anode of the second light emitting diode, the third light-emitting diodes
18 anode of pipe connects 16 cathode of the second light emitting diode.
Wherein, the switch 11 is button switch.
Wherein, the first resistor 14 and second resistance 17 is prevent electric current is excessive from burning light emitting diode.
Wherein, 14 resistance value of first resistor is 10K Ω.
Wherein, 17 resistance value of second resistance is 10K Ω.
Wherein, the external power supply 19 is a charge power supply.
Wherein, the external power supply 19 is 19V.
When testing power-supply adapter, first, by the switch 11, battery 12, the first light emitting diode 13, the
One resistance 14 and interface 15 are connected, and are then connect the power-supply adapter anode pin with the interface first terminal 151, institute
It states power-supply adapter negative pin to connect with 15 Second terminal 152 of interface, forms controllable circuit, reclose described open at this time
11 are closed, if detecting 13 bright light of the first light emitting diode, then it represents that the power-supply adapter has even tin, causes short circuit；
If first light emitting diode 13 not bright light, accessing the external power supply 19, (external power supply 19 is connected to power supply and turns
Connect the device other end, 19 forward current of external power supply is flowed out via the first terminal 151 of the interface 15), second shine two
Pole pipe 16, second resistance 17 and third light emitting diode 18 open the switch 11, if second light emitting diode again at this time
16 bright lights, then it represents that the power connector is successfully tested, and the power connector is without bad situation；If detect the third
18 bright light of light emitting diode, then it represents that the power-supply adapter anode pin is connect with 15 Second terminal 152 of interface, described
Power-supply adapter negative pin is connect with the interface first terminal 151, i.e., described two positive and negative anodes pin of power-supply adapter and two
Terminal is reversed；If three light emitting diodes not bright light, then it represents that the power connector internal element missing solder causes open circuit.
Compared to the prior art, power-supply adapter test circuit of the invention not only can with fast accurate detect electricity
Source adapter short circuit, open circuit etc. are bad, save the activity duration, can also avoid connecting tin inside power supply changeover device when causing short circuit
Burning for mainboard is caused, so as to reduce cost of manufacture.
Claims (6)
1. a kind of power-supply adapter test circuit, for detecting power-supply adapter welding situation, power-supply adapter one end choosing
It is connect with external power supply to selecting property, the other end has anode pin and negative pin, which is characterized in that including：
Switch, is used to control the connecting and disconnecting of test loop；
Battery, anode are connect with one end of the switch；
First light emitting diode, cathode are connect with the battery cathode；
First resistor, one end are connect with the first light emitting diode anode；
Interface has first terminal and Second terminal, the first terminal connection switch other end connection, the second end
It is sub to be connect with the first resistor other end；
Second light emitting diode, anode are connect with the first terminal of the interface；
Second resistance, one end are connect with the second light emitting diode cathode, are connect described in the second resistance other end connection
The Second terminal of mouth；
Third light emitting diode, cathode connect the second light emitting diode anode, and the third light emitting diode anode connects
Connect the second light emitting diode cathode.
2. power-supply adapter test circuit as described in claim 1, which is characterized in that the switch is button switch.
3. power-supply adapter test circuit as described in claim 1, which is characterized in that the first resistor resistance value is 10K Ω.
4. power-supply adapter test circuit as described in claim 1, which is characterized in that the second resistance resistance value is 10K Ω.
5. power-supply adapter test circuit as described in claim 1, which is characterized in that the external power supply is a charging electricity
Source.
6. power-supply adapter test circuit as claimed in claim 5, which is characterized in that the external power supply is 19V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510292359.5A CN106291211B (en) | 2015-06-01 | 2015-06-01 | Power-supply adapter test circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510292359.5A CN106291211B (en) | 2015-06-01 | 2015-06-01 | Power-supply adapter test circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106291211A CN106291211A (en) | 2017-01-04 |
| CN106291211B true CN106291211B (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510292359.5A Expired - Fee Related CN106291211B (en) | 2015-06-01 | 2015-06-01 | Power-supply adapter test circuit |
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| Country | Link |
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| CN (1) | CN106291211B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108572286A (en) * | 2017-03-09 | 2018-09-25 | 神讯电脑(昆山)有限公司 | Power inverter detection device and its method |
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| CN2932406Y (en) * | 2006-08-09 | 2007-08-08 | 上海晨兴电子科技有限公司 | Tin soldering test device |
| CN2938129Y (en) * | 2006-08-18 | 2007-08-22 | 杭州华为三康技术有限公司 | Tin interconnection detection circuit, open-circuit detection circuit and welding quiality detection circuit |
| CN201293822Y (en) * | 2008-11-04 | 2009-08-19 | 神讯电脑(昆山)有限公司 | Detection circuit |
| CN202093115U (en) * | 2011-03-18 | 2011-12-28 | 深圳创维－Rgb电子有限公司 | Detection device for detecting connection status of chip and circuit substrate |
| CN202119854U (en) * | 2011-03-03 | 2012-01-18 | 昌硕科技(上海)有限公司 | Pin welding state detection apparatus |
| CN202372595U (en) * | 2011-10-21 | 2012-08-08 | 张海艇 | Insufficient welding detector |
| CN202794422U (en) * | 2012-09-07 | 2013-03-13 | 神讯电脑(昆山)有限公司 | Recommended standard (RS) 422 interface loop test jig |
| CN203825134U (en) * | 2014-03-24 | 2014-09-10 | 山东精工电子科技有限公司 | Device for detecting flat cable welding sequence of lithium battery protection board |
| CN204160035U (en) * | 2014-09-25 | 2015-02-18 | 广东易事特电源股份有限公司 | Source of welding current circuit is used in experiment |
-
2015
- 2015-06-01 CN CN201510292359.5A patent/CN106291211B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| RU2019916C1 (en) * | 1991-07-22 | 1994-09-15 | Акционерное общество открытого типа "Всесоюзный научно-исследовательский и проектно-конструкторский институт электровозостроения" | Commutator |
| CN2932406Y (en) * | 2006-08-09 | 2007-08-08 | 上海晨兴电子科技有限公司 | Tin soldering test device |
| CN2938129Y (en) * | 2006-08-18 | 2007-08-22 | 杭州华为三康技术有限公司 | Tin interconnection detection circuit, open-circuit detection circuit and welding quiality detection circuit |
| CN201293822Y (en) * | 2008-11-04 | 2009-08-19 | 神讯电脑(昆山)有限公司 | Detection circuit |
| CN202119854U (en) * | 2011-03-03 | 2012-01-18 | 昌硕科技(上海)有限公司 | Pin welding state detection apparatus |
| CN202093115U (en) * | 2011-03-18 | 2011-12-28 | 深圳创维－Rgb电子有限公司 | Detection device for detecting connection status of chip and circuit substrate |
| CN202372595U (en) * | 2011-10-21 | 2012-08-08 | 张海艇 | Insufficient welding detector |
| CN202794422U (en) * | 2012-09-07 | 2013-03-13 | 神讯电脑(昆山)有限公司 | Recommended standard (RS) 422 interface loop test jig |
| CN203825134U (en) * | 2014-03-24 | 2014-09-10 | 山东精工电子科技有限公司 | Device for detecting flat cable welding sequence of lithium battery protection board |
| CN204160035U (en) * | 2014-09-25 | 2015-02-18 | 广东易事特电源股份有限公司 | Source of welding current circuit is used in experiment |
Non-Patent Citations (1)
| Title |
|---|
| 卫星定位有源天线性能测试接口转换装置;郑少超等;《现代电子技术》;20120301;第35卷(第05期);第105-107页 * |
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| Publication number | Publication date |
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| CN106291211A (en) | 2017-01-04 |
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