CN104237573B - Charger for mobile phone ATE - Google Patents
Charger for mobile phone ATE Download PDFInfo
- Publication number
- CN104237573B CN104237573B CN201410529827.1A CN201410529827A CN104237573B CN 104237573 B CN104237573 B CN 104237573B CN 201410529827 A CN201410529827 A CN 201410529827A CN 104237573 B CN104237573 B CN 104237573B
- Authority
- CN
- China
- Prior art keywords
- resistance
- controller
- voltage
- charger
- mobile phone
- 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.)
- Active
Links
Abstract
Charger for mobile phone ATE includes controller, test result indicating circuit and test voltage end；Test voltage end is used to receive the voltage signal of circuit board to be tested；The controller is used to be compared the voltage signal with predetermined voltage threshold scope, when voltage signal is in the range of predetermined voltage threshold, drives the test result indicating circuit to send the indication signal for indicating product qualified；When voltage signal exceeds predetermined voltage threshold scope, the test result indicating circuit is driven to send the prompting underproof indication signal of product.Foregoing invention is participated in the voltage tester process of charger for mobile phone without people, and the voltage of circuit board to be tested is read automatically, and automatic decision is compared, and provides result prompting automatically, and directly perceived quick, objective specification, measuring accuracy is high, and testing efficiency is high.
Description
Technical field
The present invention relates to a kind of charger for mobile phone ATE.
Background technology
Charger for mobile phone manufacturing process includes voltage tester operation.At present, typically by operator's manual testing's charger
Voltage, and compare with standard value, it is qualified to judge whether, whole process is required to people's participation, and subjectivity is big, for new employee,
Due to unskilled, easily measure inaccurate due to operating lack of standardization, test effect is poor.Further, since can only be one by one
Test, testing efficiency is low.
The content of the invention
In view of the shortcomings of the prior art, the purpose of the present invention is intended to provide a kind of mobile phone for solving above-mentioned technical problem
Charger ATE.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of charger for mobile phone ATE, it includes controller, test result indicating circuit and test voltage end；
Test voltage end is used to receive the voltage signal of circuit board to be tested；The controller be used for by the voltage signal with it is pre-
If voltage threshold scope is compared, when voltage signal is in the range of predetermined voltage threshold, the test result is driven to indicate electricity
Road sends the indication signal for indicating product qualified；When voltage signal exceeds predetermined voltage threshold scope, the test result is driven
Indicating circuit sends the prompting underproof indication signal of product.
Preferably, the charger for mobile phone ATE includes some test voltage ends, and each test voltage end is used for
Receive the voltage signal of a corresponding circuit board to be tested；The controller be used for by the voltage signal at each test voltage end respectively with
Predetermined voltage threshold scope is compared, and when all voltage signals are in the range of predetermined voltage threshold, drives the test knot
Fruit indicating circuit sends the indication signal for indicating product qualified；When an at least voltage signal exceeds predetermined voltage threshold scope,
The test result indicating circuit is driven to send the prompting underproof indication signal of product.
Preferably, charger for mobile phone ATE also includes the first electronic switching circuit, fixture and cylinder；This first
The control end of electronic switching circuit connects the controller, the input of first electronic switching circuit connection AC power, and this
The output end of one electronic switching circuit connects the cylinder；The controller is used to drive first electronic switching circuit to turn on or cut
Only, so as to obtain the air cylinder driven clamp or unclamp circuit board to be tested.
Preferably, charger for mobile phone ATE also includes the second electronic switching circuit, and second electronic cutting is powered-down
The control end on road connects the controller, the input connection AC power of second electronic switching circuit, second electronic switch
The output end of circuit connects the fixture；The controller is used to drive the second electronic switching circuit on or off, to cause to hand over
Stream power supply is powered or not supplied electricity to circuit board to be tested by the fixture.
Preferably, the first electronic switching circuit includes triode, first resistor, second resistance and electromagnetic relay；Three poles
The first controlling switch that the base stage of pipe passes through first resistor connection controller, the grounded emitter of the triode, the triode
Colelctor electrode connects a dc source, the stationary contact of the electromagnetic relay by the magnet coil and the second resistance of the electromagnetic relay
Point connects the cylinder, the movable contact connection AC power of the electromagnetic relay.
Preferably, second electronic switching circuit includes triode, first resistor, second resistance and electromagnetic relay；Three
The base stage of pole pipe connects the second controlling switch of controller, the grounded emitter of triode, the collection of triode by first resistor
Electrode connects a dc source by the magnet coil and the second resistance of electromagnetic relay；The stationary contact of the electromagnetic relay connects
The fixture is connect, the movable contact of the electromagnetic relay connects the AC power.
Preferably, the charger for mobile phone ATE includes being electrically connected with the first test voltage end of controller to the
Six test voltage ends, the test result indicating circuit include first resistor to the 6th resistance, the 7th resistance and the 8th resistance and
First light emitting diode to the 8th light emitting diode；First resistor to one end of the 6th resistance connects the first drive of controller respectively
Dynamic pin to the 6th driving pin, first resistor to the other end of the 6th resistance connects the first light emitting diode to the 6th hair respectively
The negative electrode of optical diode, the first light emitting diode to the anode of the 6th light emitting diode is all connected with a dc source；7th resistance
The 8th driving pin and the 7th for connecting controller respectively with one end of the 8th resistance drives pin, the 7th resistance and the 8th resistance
The other end connect the negative electrode of the 7th light emitting diode and the 8th light emitting diode respectively, the 7th light emitting diode and the 8th luminous
The anode of diode is all connected with the dc source；When all voltage signals are in the range of predetermined voltage threshold, controller
First driving pin to the 6th driving pin and the 8th driving pin export high level signal, the 7th driving pin of controller
Output low level signal；When an at least voltage signal exceeds predetermined voltage threshold scope, the correspondence of the controller drives pin
Output low level signal, its 8th driving pin output low level signal, remaining drives pin to export high level signal.
Preferably, the test result indicating circuit includes buzzer, triode, first resistor and second resistance；Three pole
The base stage of pipe connects the 9th driving pin of controller by first resistor, and the emitter stage of triode is grounded by the buzzer,
The colelctor electrode of triode connects a dc source by second resistance.
Preferably, charger for mobile phone ATE also includes reset switch and resistance；Dc source passes sequentially through electricity
Resistance and reset switch ground connection, the pin of restarting of controller are connected between the resistance and reset switch.
Beneficial effects of the present invention are at least as follows：
Foregoing invention is participated in the voltage tester process of charger for mobile phone without people, and the electricity of circuit board to be tested is read automatically
Pressure, automatic decision is compared, and provides result prompting automatically, and directly perceived quick, objective specification, measuring accuracy is high, and testing efficiency is high.
In addition, this equipment can carry out voltage tester to multiple charger for mobile phone products simultaneously, testing efficiency is greatly improved.
Furthermore, this equipment can Automatic-clamping circuit board to be tested so that test is more stable, tests better.
Brief description of the drawings
Fig. 1 is the electrical structure connection figure of the better embodiment of charger for mobile phone ATE of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is described further：
Fig. 1 is referred to, the present invention relates to a kind of charger for mobile phone ATE, its better embodiment includes control
Device U1, test result indicating circuit 20 and test voltage end.
Test voltage end is used to receive the voltage signal of circuit board to be tested；Controller U1 be used for by voltage signal with it is pre-
If voltage threshold scope is compared, when voltage signal is in the range of predetermined voltage threshold, the test result is driven to indicate electricity
Road 20 sends the indication signal for indicating product qualified；When voltage signal exceeds predetermined voltage threshold scope, the test knot is driven
Fruit indicating circuit 20 sends the prompting underproof indication signal of product.
Foregoing invention is participated in the voltage tester process of charger for mobile phone without people, and the electricity of circuit board to be tested is read automatically
Pressure, automatic decision is compared, and provides result prompting automatically, and directly perceived quick, objective specification, measuring accuracy is high, and testing efficiency is high.
Preferably, the charger for mobile phone ATE includes some test voltage ends, and each test voltage end is used for
Receive the voltage signal of a corresponding circuit board to be tested；Controller U1 is used to distinguish the voltage signal at each test voltage end
It is compared with predetermined voltage threshold scope, when all voltage signals are in the range of predetermined voltage threshold, drives the test
As a result indicating circuit 20 sends the indication signal for indicating product qualified；Exceed predetermined voltage threshold scope in an at least voltage signal
When, drive the test result indicating circuit 20 to send the prompting underproof indication signal of product.
In this way, voltage tester can be carried out to multiple charger for mobile phone products simultaneously, testing efficiency is greatly improved.
Preferably, charger for mobile phone ATE also includes the first electronic switching circuit 30, fixture and cylinder.This
The control end of one electronic switching circuit 30 connects controller U1, the input connection alternating current of first electronic switching circuit 30
Source, the output end of first electronic switching circuit 30 connects the cylinder.Controller U1 is used to drive first electronic cutting powered-down
The on or off of road 30, so as to obtain the air cylinder driven clamp or unclamp circuit board to be tested.For example, before test, controller
U1 exports high level signal to first electronic switching circuit 30, to cause output end and the input of the first electronic switching circuit 30
Turned between end, and then cause that the voltage of AC power supplies electricity to cylinder by first electronic switching circuit 30, so that
Cylinder clamping circuit board to be tested.
In this way, this equipment can Automatic-clamping circuit board to be tested so that test is more stable, test better.
Further, charger for mobile phone ATE also includes the second electronic switching circuit 10, second electronic cutting
The control end on powered-down road 10 connects controller U1, the input connection AC power of second electronic switching circuit 10, and this
The output end of two electronic switching circuits 10 connects the fixture.Controller U1 is used to drive second electronic switching circuit 10 to turn on
Or cut-off, with the circuit board to be tested so that AC power is powered by the fixture or do not supplied electricity to.For example, when starting test, should
Controller U1 exports high level signal to second electronic switching circuit 10, to cause the output end of the second electronic switching circuit 10
Turned on and input between, and then cause that the voltage of AC power passes sequentially through the second electronic switching circuit 10 and the fixture is powered
To circuit board to be tested, so that circuit board to be tested produces above-mentioned voltage signal.
In this way, this equipment can automatically control the power supply supply of circuit board to be tested so that test is more stable, and test effect is more
It is good.
In the present embodiment, the first electronic switching circuit 30 includes triode Q3, resistance R34, resistance R33 and electromagnetic relay
J1.The base stage of triode Q3 connects the first controlling switch P2.6 of controller U1, the emitter stage of triode Q3 by resistance R34
Ground connection, the colelctor electrode of triode Q3 connects a dc source by the magnet coil and resistance R33 of electromagnetic relay J1
VCC, the stationary contact of electromagnetic relay J1 connects the cylinder, the movable contact connection AC power of electromagnetic relay J1.
Second electronic switching circuit 10 includes triode Q4, resistance R24, resistance R39 electromagnetic relays J2.Triode Q4
Base stage the second controlling switch P1.1 of controller U1, the grounded emitter of triode Q4, triode Q4 are connected by resistance R24
Colelctor electrode dc source VCC is connected by the magnet coil of electromagnetic relay J2 and resistance R39.Electromagnetic relay J2
Stationary contact connect the fixture, the movable contact of electromagnetic relay J2 connects the AC power.
In the present embodiment, the charger for mobile phone ATE includes being electrically connected with first test voltage of controller U1
The end test voltage end DC6 of DC1 to the 6th, the test result indicating circuit 20 includes resistance R19 to resistance R24, resistance R31 and electricity
Resistance R32 and the first light emitting diode D8 of light emitting diode D1 to the 8th.Resistance R19 connects control to one end of resistance R24 respectively
The first driving pin P2.0 to the 6th of device U1 processed drives pin P2.5, and the other end of resistance R19 to resistance R24 connects the respectively
The negative electrode of the one light emitting diode D6 of light emitting diode D1 to the 6th, the sun of the first light emitting diode D6 of light emitting diode D1 to the 6th
Pole is all connected with dc source VCC.One end of resistance R31 and resistance R32 connect the 8th driving pin of controller U1 respectively
The other end of the drivings of P0.7 and the 7th pin P0.6, resistance R31 and resistance R32 connects the 7th light emitting diode D7 and the 8th respectively
The negative electrode of light emitting diode D8, the anode of the 7th light emitting diode D7 and the 8th light emitting diode D8 is all connected with the dc source.
When all voltage signals are in the range of predetermined voltage threshold, the first driving pin P2.0 to the 6th of controller U1 drives and draws
The drivings of pin P2.5 and the 8th pin P0.7 exports high level signal, to cause the first light-emitting diodes of light emitting diode D1 to the 6th
Pipe D6 and the 7th light emitting diode D7 do not light, the 7th driving pin P0.6 output low level signals of controller U1, to cause
8th light emitting diode D8 lights, to indicate all products qualified.Exceed predetermined voltage threshold model in an at least voltage signal
When enclosing, the corresponding driving pin output low level signal of controller U1, its 8th driving pin P0.7 output low level letters
Number, remaining drives pin to export high level signal.For example, the voltage signal of first voltage signal end DC1 exceeds predeterminated voltage
Threshold range, in the range of predetermined voltage threshold, now, the first of controller U1 drives the voltage signal of remaining voltage signal end
The dynamic drivings of pin P2.0 and the 8th pin P0.7 exports low level signal, and second drives pin P2.1 to the 6th to drive pin
The drivings of P2.5 and the 7th pin P0.6 exports high level signal, to cause the first light emitting diode D1 and the 7th light emitting diode
D7 lights, and remaining light emitting diode does not light, and the luminous of the first light emitting diode D1 intuitively indicates first voltage signal end DC1
Product it is unqualified.The luminous instruction of the 7th light emitting diode D7 this test failure.
In the present embodiment, the test result indicating circuit 20 also includes buzzer BZ, triode Q1, resistance R26 and resistance
R25.The base stage of triode Q1 connects the 9th driving pin P1.0 of controller U1, the transmitting of triode Q1 by resistance R26
Pole is grounded by buzzer BZ, and the colelctor electrode of triode Q1 connects dc source VCC by resistance R25.If any road inspection
When survey notes abnormalities, the 9th driving pin P1.0 output high level signals of controller U1, to cause that triode Q1 is turned on, enter
And cause that buzzer BZ sends sound, to remind operating personnel to take out substandard product.
Charger for mobile phone ATE also includes reset switch K and resistance R9.Dc source VCC passes sequentially through resistance
R9 and reset switch K is grounded, and the pin RESET of restarting of controller U1 is connected between resistance R9 and reset switch K.Operator
Member can start the test per a collection of product by opening and closing reset switch K, very convenient.
For a person skilled in the art, technical scheme that can be as described above and design, make other each
Plant corresponding change and deform, and all these changes and deforms the protection model that should all belong to the claims in the present invention
Within enclosing.
Claims (6)
1. a kind of charger for mobile phone ATE, it is characterised in that：It includes controller, test result indicating circuit and survey
Examination voltage end；
Test voltage end is used to receive the voltage signal of circuit board to be tested；The controller is used for voltage signal and predeterminated voltage
Threshold range is compared, and when voltage signal is in the range of predetermined voltage threshold, drives the test result indicating circuit to send
The indication signal for indicating product qualified；When voltage signal exceeds predetermined voltage threshold scope, the test result is driven to indicate electricity
Road sends the prompting underproof indication signal of product；
Charger for mobile phone ATE also includes the first electronic switching circuit, fixture and cylinder；First electronic cutting is powered-down
The control end on road connects the controller, the input connection AC power of first electronic switching circuit, first electronic switch
The output end of circuit connects the cylinder；The controller is used to drive the first electronic switching circuit on or off, so as to bring about the desired sensation
Cylinder drives the clamp or unclamps circuit board to be tested；
First electronic switching circuit includes triode, first resistor, second resistance and electromagnetic relay；The base stage of triode passes through
First resistor connects the first controlling switch of controller, and the grounded emitter of the triode, the colelctor electrode of the triode passes through to be somebody's turn to do
The magnet coil of electromagnetic relay and the second resistance connect a dc source, and the stationary contact of the electromagnetic relay connects the gas
Cylinder, the movable contact connection AC power of the electromagnetic relay；
The charger for mobile phone ATE includes being electrically connected with the first test voltage end to the 6th test voltage of controller
End, the test result indicating circuit includes first resistor to the 6th resistance, the 7th resistance and the 8th resistance and first luminous two
Pole pipe is to the 8th light emitting diode；First resistor to one end of the 6th resistance connects the first driving pin of controller to the respectively
Six drive pin, and first resistor to the other end of the 6th resistance connects the first light emitting diode to the 6th light emitting diode respectively
Negative electrode, the first light emitting diode to the anode of the 6th light emitting diode is all connected with a dc source；7th resistance and the 8th resistance
One end connect the 8th driving pin of controller and the 7th respectively and drive pin, the other end point of the 7th resistance and the 8th resistance
Not Lian Jie the 7th light emitting diode and the 8th light emitting diode negative electrode, the sun of the 7th light emitting diode and the 8th light emitting diode
Pole is all connected with the dc source；When all voltage signals are in the range of predetermined voltage threshold, the first driving of controller is drawn
Pin to the 6th driving pin and the 8th driving pin exports high level signal, the 7th driving pin output low level of controller
Signal；When an at least voltage signal exceeds predetermined voltage threshold scope, the correspondence of the controller drives pin output low level
Signal, its 8th driving pin output low level signal, remaining drives pin to export high level signal.
2. charger for mobile phone ATE as claimed in claim 1, it is characterised in that：The charger for mobile phone is tested automatically
Equipment includes some test voltage ends, and each test voltage end is used to receive the voltage signal of a corresponding circuit board to be tested；
The controller is used to respectively be compared the voltage signal at each test voltage end with predetermined voltage threshold scope, in all voltages
When signal is in the range of predetermined voltage threshold, drives the test result indicating circuit to send the instruction for indicating product qualified and believe
Number；When an at least voltage signal exceeds predetermined voltage threshold scope, the test result indicating circuit is driven to send prompting product
Underproof indication signal.
3. charger for mobile phone ATE as claimed in claim 1, it is characterised in that：Automatically test sets charger for mobile phone
Standby also to include the second electronic switching circuit, the control end of second electronic switching circuit connects the controller, second electronic cutting
The input connection AC power on powered-down road, the output end of second electronic switching circuit connects the fixture；The controller is used for
The second electronic switching circuit on or off is driven, to cause AC power to be powered by the fixture or not supply electricity to be tested
Circuit board.
4. charger for mobile phone ATE as claimed in claim 3, it is characterised in that：The second electronic switching circuit bag
Include triode, first resistor, second resistance and electromagnetic relay；The base stage of triode connects the of controller by first resistor
Two controlling switch, the grounded emitter of triode, the colelctor electrode of triode by the magnet coil of electromagnetic relay and this second
Resistance connects a dc source；The stationary contact of the electromagnetic relay connects the fixture, and the movable contact connection of the electromagnetic relay should
AC power.
5. charger for mobile phone ATE as claimed in claim 1 or 2, it is characterised in that：The test result indicates electricity
Road includes buzzer, triode, first resistor and second resistance；The base stage of the triode connects controller by first resistor
9th drives pin, the emitter stage of triode to be grounded by the buzzer, and the colelctor electrode of triode connects one by second resistance
Dc source.
6. charger for mobile phone ATE as claimed in claim 1 or 2, it is characterised in that：Charger for mobile phone is surveyed automatically
Examination equipment also includes reset switch and resistance；Dc source passes sequentially through resistance and reset switch ground connection, and restarting for controller is drawn
Pin is connected between the resistance and reset switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410529827.1A CN104237573B (en) | 2014-10-09 | 2014-10-09 | Charger for mobile phone ATE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410529827.1A CN104237573B (en) | 2014-10-09 | 2014-10-09 | Charger for mobile phone ATE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104237573A CN104237573A (en) | 2014-12-24 |
| CN104237573B true CN104237573B (en) | 2017-07-07 |
Family
ID=52226056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410529827.1A Active CN104237573B (en) | 2014-10-09 | 2014-10-09 | Charger for mobile phone ATE |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104237573B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108700623A (en) * | 2016-01-28 | 2018-10-23 | 深圳瀚飞科技开发有限公司 | Charger tests system |
| CN106226586B (en) * | 2016-07-15 | 2019-03-26 | 深圳市易飞扬通信技术有限公司 | Electronic product automatic manufacturing method and system |
| CN106370951A (en) * | 2016-09-13 | 2017-02-01 | 叶丁有 | High-efficiency charger testing machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080678U (en) * | 1990-10-09 | 1991-07-10 | 周宇怀 | Simple digital ic tester |
| CN101261598A (en) * | 2007-03-06 | 2008-09-10 | 鸿富锦精密工业（深圳）有限公司 | Mainboard test circuit |
| CN201281747Y (en) * | 2008-09-27 | 2009-07-29 | 佛山市顺德区顺达电脑厂有限公司 | Mainboard detection alarm circuit |
| CN102707099A (en) * | 2012-05-17 | 2012-10-03 | 惠州Tcl移动通信有限公司 | Test fixture with alarming function |
| CN203561881U (en) * | 2013-11-18 | 2014-04-23 | 柳州美源科技有限公司 | Fault detection system of car body control module |
| CN204203271U (en) * | 2014-10-09 | 2015-03-11 | 崧顺电子（深圳）有限公司 | Charger for mobile phone ATE (automatic test equipment) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5363437B2 (en) * | 2010-09-08 | 2013-12-11 | 株式会社アドバンテスト | Test equipment |
-
2014
- 2014-10-09 CN CN201410529827.1A patent/CN104237573B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080678U (en) * | 1990-10-09 | 1991-07-10 | 周宇怀 | Simple digital ic tester |
| CN101261598A (en) * | 2007-03-06 | 2008-09-10 | 鸿富锦精密工业（深圳）有限公司 | Mainboard test circuit |
| CN201281747Y (en) * | 2008-09-27 | 2009-07-29 | 佛山市顺德区顺达电脑厂有限公司 | Mainboard detection alarm circuit |
| CN102707099A (en) * | 2012-05-17 | 2012-10-03 | 惠州Tcl移动通信有限公司 | Test fixture with alarming function |
| CN203561881U (en) * | 2013-11-18 | 2014-04-23 | 柳州美源科技有限公司 | Fault detection system of car body control module |
| CN204203271U (en) * | 2014-10-09 | 2015-03-11 | 崧顺电子（深圳）有限公司 | Charger for mobile phone ATE (automatic test equipment) |
Non-Patent Citations (1)
| Title |
|---|
| 手机充电器自动测试系统的设计;曾繁玲;《兵工自动化》;20070615;第26卷(第6期);29-30,38 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104237573A (en) | 2014-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104237573B (en) | Charger for mobile phone ATE | |
| CN202119860U (en) | Current transformer polarity testing box | |
| CN204203271U (en) | Charger for mobile phone ATE (automatic test equipment) | |
| CN204287418U (en) | A kind of circuit breaker switch state pick-up unit | |
| CN107656199A (en) | With relay rapid detection apparatus directly perceived and its detection method in hand-held tunnel | |
| CN104935061B (en) | Battery charge prompting circuit and lamps and lanterns | |
| CN102095913A (en) | Multi-functional portable auxiliary maintenance/detection pen for electrical appliances | |
| CN102478630A (en) | Relay function testing device and testing method thereof | |
| CN102305897B (en) | Relay protecting exit tester | |
| CN104914349B (en) | A kind of charactron burn-in screen and detection means and its method of work | |
| CN210348270U (en) | Loop state detection device and detector | |
| CN105162009B (en) | A kind of switch cubicle carriage fault searches processing servicing unit and application | |
| CN201974492U (en) | Multifunctional and portable electric appliance auxiliary repair/detection pen | |
| CN108303631B (en) | Silicon controlled rectifier testing device | |
| CN206470385U (en) | Portable DC insulation tester test device | |
| CN202166684U (en) | Relay protection outlet tester | |
| CN205809266U (en) | A kind of power distribution functions of modules test device | |
| CN102768329B (en) | A kind of integrated circuit detection case | |
| CN104459452B (en) | Pulse transformer dotted terminal recognizer | |
| CN217932012U (en) | Portable EMUs plug fault detector | |
| CN203849318U (en) | High-voltage electroscope | |
| CN203414569U (en) | Rapid detector of straight-nine series helicopter servo mechanism clamping warning apparatus circuit | |
| CN202041631U (en) | LED (Light-Emitting Diode) automatic testing jig | |
| CN219891375U (en) | Small electromagnetic relay contact detection device | |
| CN209625050U (en) | A kind of npp safety grade DCS relay resistance value automatic testing tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160901 Address after: 425000 Industrial Road, Hexi Industrial Zone, Lingling Industrial Zone, Lingling District, Yongzhou, Hunan Applicant after: Hunan tech-power Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Fuyong street community baishixia Longwangmiao Industrial Zone sixteenth, nineteenth Applicant before: Songshun Electronic (Shenzhen) Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |