CN104345240B - A kind of analog power plug and the tester of electric capacity impact test - Google Patents
A kind of analog power plug and the tester of electric capacity impact test Download PDFInfo
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- CN104345240B CN104345240B CN201410712090.7A CN201410712090A CN104345240B CN 104345240 B CN104345240 B CN 104345240B CN 201410712090 A CN201410712090 A CN 201410712090A CN 104345240 B CN104345240 B CN 104345240B
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Abstract
The present invention relates to the tester of a kind of analog power plug and the test of electric capacity impact, including master control borad, plug simulation test circuit and electric capacity shock simulation test circuit.Master control borad includes microprocessor, display module circuit, adjusting control circuit and control output circuit.Microprocessor, its input are connected with the outfan of adjusting control circuit, and its outfan is connected with the input of display module circuit, control output circuit respectively.Plug simulation test circuit is included for controlling the first switch device of equipment under test on/off.Electric capacity shock simulation test module includes switching device, impacting electric capacity and discharge resistance.Switching device is included for controlling the second switch device and the 3rd switching device for controlling discharge resistance break-make of impacting electric capacity break-make.The instrument can be simulated power supply plug and the test of electric capacity impact to electric equipment, it is ensured that the job stability of electric equipment finished product.
Description
Technical field
The present invention relates to electric equipment technical field of measurement and test, and in particular to one kind is used for carrying out power supply plug to electric equipment
And the tester of electric capacity impact simulation test.
Background technology
With the development of State Grid's electronics technology, the species and quantity of various electric equipments, especially home appliance
It is being continuously increased.Electric equipment generally requires frequently power supply inserting, and the moment of power supply inserting can produce over-voltage and over-current every time
Deng interference, electric equipment certain patch number of times after, its power supply and system stability can be substantially reduced and be damaged.
In addition, under complicated and diversified network system, there are various impact loads, impact load can be to system voltage
Electric current brings harmonic pollution, disturbs the power-supply system of electric equipment, affects its normal work.
For these problems, electric equipment manufacturing enterprise needs sufficiently to test product, steady to ensure its work
Qualitative.
Content of the invention
It is an object of the invention to provide the tester of a kind of analog power plug and the test of electric capacity impact, the instrument energy
Enough power supplys that electric equipment is simulated are plugged and the test of electric capacity impact, to ensure the job stability of electric equipment finished product.
For achieving the above object, technical scheme below present invention employs：
A kind of analog power plug and the tester of electric capacity impact test, including master control borad, plug simulation test circuit
With electric capacity shock simulation test circuit.
Described master control borad includes microprocessor, display module circuit, adjusting control circuit and control output circuit.Described
Microprocessor, its input is connected with the outfan of adjusting control circuit, its outfan respectively with display module circuit, control
The input of output circuit is connected.
Described plug simulation test circuit is included for controlling the first switch device of equipment under test on/off.
Described electric capacity shock simulation test circuit includes switching device, impacting electric capacity and discharge resistance.Described switch
Device is included for controlling the second switch device and the 3rd derailing switch for controlling discharge resistance break-make of impacting electric capacity break-make
Part.
Further, described adjusting control circuit is included for controlling the first adjusting control circuit and the use of making time
The second adjusting control circuit control turn-off time.The first described adjusting control circuit and the knot of the second adjusting control circuit
Structure is identical, includes rotary switch Key1, resistance R2, resistance R3, resistance R4, resistance R5, electric capacity C2 and electric capacity C3.
Further, described control output circuit is included for controlling the first controlled output of equipment under test on/off
Circuit, for control impacting electric capacity break-make the second control output circuit and for control discharge resistance break-make the 3rd control defeated
Go out circuit；
Described the first control output circuit, the second control output circuit are identical with the structure of the 3rd control output circuit,
Include electronic relay, diode, electric capacity, crystal triode and resistance.
From above technical scheme, the present invention can pass through to plug simulation test circuit with electric capacity shock simulation test electricity
Road, the power supply and system stability to electric equipment when power supply is plugged and impacted by electric capacity carry out test checking.
Description of the drawings
Fig. 1 is the systematic schematic diagram of the present invention；
Fig. 2 is the schematic diagram of master control borad；
Fig. 3 is the circuit theory diagrams of adjusting control circuit；
Fig. 4 is the circuit theory diagrams of the first control output circuit；
Fig. 5 is the circuit theory diagrams of the second control output circuit；
Fig. 6 is the circuit theory diagrams of the 3rd control output circuit.
Wherein：
1st, master control borad, 2, plug simulation test circuit, 3, electric capacity shock simulation test circuit, 4, equipment under test, 5, Wei Chu
Reason device, 6, display module circuit, 7, adjusting control circuit, 8, control output circuit.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, the tester of a kind of analog power plug and the test of electric capacity impact, including master control borad 1, plug mould
Intend test circuit 2 and electric capacity shock simulation test circuit 3.Plug simulation test circuit 2, inserts for the power supply to equipment under test 4
Pull out and tested.Electric capacity shock simulation test circuit 3, tests for the anticapacitance impact property to equipment under test 4.At this
During invention use, the present invention is individually powered using two independent power supplys with equipment under test 4, with the test shown in Fig. 1
Instrument working power is present invention power supply, is that equipment under test is individually powered with the equipment under test working power shown in Fig. 1.
As shown in Fig. 2 described master control borad 1 includes microprocessor 5, display module circuit 6, adjusting control circuit 7 and control
Output circuit processed 8.Described microprocessor 5, its input are connected with the outfan of adjusting control circuit 7, its outfan difference
It is connected with the input of display module circuit 6, control output circuit 8.The auspicious Sa R5F101 of the model of microprocessor 5.Show mould
Block circuit 6, for showing making time, turn-off time and the test number (TN) of the present invention.Adjusting control circuit 7, for adjusting this
The functional mode of invention, making time, turn-off time and start stop operation.Control output circuit 8, for controlling Relay1-
The break-make of tri- switchgears of Relay3, to carry out different performance test to equipment under test 4.
As shown in figure 3, described adjusting control circuit 7 include for control making time the first adjusting control circuit and
For controlling second adjusting control circuit of turn-off time.The first described adjusting control circuit and the second adjusting control circuit
Structure is identical, includes rotary switch Key1, resistance R2, resistance R3, resistance R4, resistance R5, electric capacity C2 and electric capacity C3.In Fig. 3
Pin Key1_1 and pin Key1_2 for adjusting control circuit 7 outfan, the input respectively with microprocessor 5 of two pins
End is connected.Rotary switch Key1, its pin 1 connect 5V power supply signals through resistance R2, and its pin 3 connects 5V power supply signals through resistance R3,
Its pin 2 is grounded.Resistance R4 two ends connect the pin 1 and micro processor leg Key1_1 of rotary switch Key1 respectively.Electric capacity C2
Two ends connect pin Key1_1 and ground respectively.Resistance R5 two ends connect the pin 3 and microprocessor of rotary switch Key1 respectively and draw
Foot Key1_2.Electric capacity C3 two ends connect pin Key1_2 and ground respectively.Further, it is also possible to other regulations are first with slide rheostat etc.
Part is substituting rotary switch Key1.Cooperated by rotary switch Key1 and each resistance, each electric capacity, can be to this
Make-and-break time during bright use is adjusted.
As shown in figure 1, master control borad 1 includes 3 signal output interfaces K1, K2 and K3, and with 3 signal output interface phases
Corresponding common port COM.Wherein, (K1, COM), for controlling the on/off of equipment under test；(K2, COM), for controlling punching
Hit the break-make of electric capacity C1；(K3, COM), for controlling the break-make of discharge resistance R1.As shown in Fig. 4 Fig. 6, described control is defeated
Going out circuit 8 is included for controlling the first control output circuit of equipment under test on/off, for controlling impacting electric capacity break-make
Second control output circuit and the 3rd control output circuit for controlling discharge resistance break-make.Described the first controlled output electricity
Road, the second control output circuit are identical with the structure of the 3rd control output circuit, include electronic relay, diode, electric capacity,
Crystal triode and resistance.Vulnerabilities scan signal is converted to forceful electric power signal by electronic relay by control output circuit, and then
Control plug simulation test circuit and the working condition of electric capacity shock simulation test circuit.
Specifically, as shown in figure 4, the first control output circuit includes diode D11, electronic relay Relay4, electricity
Hold XC2, resistance R34, resistance R35 and crystal triode Q18.Diode D11, its negative electrode connect 12V power supply signals, and its anode connects crystalline substance
Body pipe Q18 colelctor electrodes.Electronic relay Relay4, its input are connected in parallel on the two ends of diode D11, and its outfan is connected in parallel on electricity
Hold the two ends of XC2.Crystal triode Q18, its base stage meet the outfan Kout1 of microprocessor through resistance R35, and its emitter stage connects
Ground, is connected with resistance R34 between its base stage and emitter stage.Electric capacity XC2, the live wire L of its upper end connecting test instrument working power, under which
First output interface K1 of end connection master control borad.The corresponding public port COM of first output interface K1 connect tester working power
Zero line N.
As shown in figure 5, the second control output circuit includes diode D12, electronic relay Relay5, electric capacity XC3, resistance
R43, resistance R42 and crystal triode Q19.Diode D12, its negative electrode connect 12V power supply signals, and its anode connects transistor Q19's
Colelctor electrode.Electronic relay Relay5, its input are connected in parallel on the two ends of diode D12, and its outfan is connected in parallel on electric capacity XC3's
Two ends.Crystal triode Q19, its base stage connect the outfan Kout2 of microprocessor, its grounded emitter, its base stage through resistance R43
Resistance R42 is connected between emitter stage.Electric capacity XC3, the live wire L of its upper end connecting test instrument working power, its lower end connection master
Second output interface K2 of control plate.The corresponding public port COM of second output interface K2 meet the zero line N of tester working power.
As shown in fig. 6, the 3rd control output circuit includes diode D13, electronic relay Relay6, electric capacity XC4, resistance
R50, resistance R48 and crystal triode Q20.Diode D13, its negative electrode connect 12V power supply signals, and its anode connects transistor Q20's
Colelctor electrode.Electronic relay Relay6, its input are connected in parallel on the two ends of diode D13, and its outfan is connected in parallel on electric capacity XC4's
Two ends.Crystal triode Q20, its base stage meet the outfan BreakPower of microprocessor through resistance R50, its grounded emitter,
Resistance R48 is connected between its base stage and emitter stage.Electric capacity XC4, the live wire L of its upper end connecting test instrument working power, its lower end
3rd output interface K3 of connection master control borad.The corresponding public port COM of second output interface K3 connect tester working power
Zero line N.
Further, as shown in figure 1, described plug simulation test circuit 2 includes leading to for controlling equipment under test power supply
Disconnected first switch device R elay1.First switch device R elay1, its control termination master control borad the first output interface K1 and
Common port COM；Which is input into the live wire L-EUT and zero line N-EUT of termination equipment under test working power；Its outfan respectively with tested
Equipment 4, the input of electric capacity shock simulation test circuit 3 are connected.In actual use, be according to the voltage of equipment under test
And power grade is determining the parameter of first switch device R elay1.
Further, as shown in figure 1, described electric capacity shock simulation test circuit 3 includes switching device, impacting electric capacity C1
With discharge resistance R1.Dash current size as needed determines the parameter of impacting electric capacity, determines electric discharge electricity according to electric discharge speed
The resistance and watt level of resistance.Described switching device is included for controlling second switch device R elay2 of impacting electric capacity break-make
With second switch device R elay3 for being used for controlling discharge resistance break-make.Second switch device R elay2, its control termination master control
Second output interface K2 of plate and common port COM；Its input outfan respectively with first switch device R elay1, tested set
Standby input is connected；Its outfan is connected in parallel on impacting electric capacity C1 two ends.As shown in figure 1, discharge resistance R1 and the 3rd derailing switch
After part Relay3 series connection, then the two ends for being connected in parallel on discharge capacity C1.The control end of the 3rd switching device Relay3 and master control borad
3rd output interface K3 and common port COM is connected.
The present invention operation principle be：
When the present invention carries out power supply plug simulation test, first switch device is made by the first control output circuit
Relay1 break-makes, while it is held off second switch device R elay2 by the second control output circuit, tested so as to realize
The test of the analog power plug of equipment.
When the present invention carries out electric capacity shock simulation to be tested, first switch device is made by the first control output circuit
Relay1 is always closure state, then the input by the second control output circuit control impacting electric capacity C1 and excision, while logical
Cross the break-make that the 3rd control output circuit controls discharge resistance.When impacting electric capacity C1 puts into, discharge resistance R1 is turned off；Work as impact
When electric capacity C1 cuts off, discharge resistance R1 is closed, it is ensured that electric capacity impact effect.
When the present invention does not carry out any simulation test, the 3rd switching device Relay3 is made by the 3rd control output circuit
Closure state is always, the charge volume for making impacting electric capacity C1 is 0, so as to ensure the safety of the present invention and equipment under test.
Embodiment described above is only that the preferred embodiment of the present invention is described, not the model to the present invention
Enclose and be defined, on the premise of without departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention
Various modifications and improvement that case is made, all should fall in the protection domain of claims of the present invention determination.
Claims (3)
1. the tester that a kind of analog power plug and electric capacity impact are tested, it is characterised in that：Including master control borad（1）, plug
Simulation test circuit（2）With electric capacity shock simulation test circuit（3）；
Described master control borad（1）Including microprocessor（5）, display module circuit（6）, adjusting control circuit（7）And controlled output
Circuit（8）；Described microprocessor（5）, its input and adjusting control circuit（7）Outfan be connected, its outfan difference
With display module circuit（6）, control output circuit（8）Input be connected；
Described plug simulation test circuit（2）Including for controlling the first switch device of equipment under test on/off；
Described electric capacity shock simulation test circuit（3）Including switching device, impacting electric capacity and discharge resistance；Described derailing switch
Part is included for controlling the second switch device and the 3rd switching device for controlling discharge resistance break-make of impacting electric capacity break-make.
2. the tester that a kind of analog power plug according to claim 1 and electric capacity impact are tested, it is characterised in that：
Described adjusting control circuit（7）Including for controlling the first adjusting control circuit of making time and for controlling turn-off time
The second adjusting control circuit；The circuit structure of the first described adjusting control circuit and the second adjusting control circuit is identical,
Including rotary switch Key1, resistance R2, resistance R3, resistance R4, resistance R5, electric capacity C2 and electric capacity C3.
3. the tester that a kind of analog power plug according to claim 1 and electric capacity impact are tested, it is characterised in that：
Described control output circuit（8）Including for controlling the first control output circuit of equipment under test on/off, for controlling
Second control output circuit of impacting electric capacity break-make and the 3rd control output circuit for controlling discharge resistance break-make；
Described the first control output circuit, the second control output circuit are identical with the circuit structure of the 3rd control output circuit,
Include electronic relay, diode, electric capacity, crystal triode and resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712090.7A CN104345240B (en) | 2014-12-01 | 2014-12-01 | A kind of analog power plug and the tester of electric capacity impact test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712090.7A CN104345240B (en) | 2014-12-01 | 2014-12-01 | A kind of analog power plug and the tester of electric capacity impact test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104345240A CN104345240A (en) | 2015-02-11 |
| CN104345240B true CN104345240B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410712090.7A Active CN104345240B (en) | 2014-12-01 | 2014-12-01 | A kind of analog power plug and the tester of electric capacity impact test |
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| Country | Link |
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| CN (1) | CN104345240B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766545B (en) * | 2020-05-14 | 2022-11-15 | 浙江南都电源动力股份有限公司 | Connector testing device |
| CN113267736B (en) * | 2021-05-31 | 2022-04-12 | 荣耀终端有限公司 | Charging test device and method |
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|---|---|---|---|---|
| CN101018383A (en) * | 2007-01-05 | 2007-08-15 | 华为技术有限公司 | Test system of the mobile terminal power consumption |
| CN201994528U (en) * | 2011-03-29 | 2011-09-28 | 利尔达科技有限公司 | Intelligent socket |
| CN103837842A (en) * | 2014-03-24 | 2014-06-04 | 福州瑞芯微电子有限公司 | Power supply automatic test device and system |
| CN104090199A (en) * | 2014-07-07 | 2014-10-08 | 珠海格力电器股份有限公司 | Device for simulating poor power contact phenomenon in use process of electric appliance |
| CN204314392U (en) * | 2014-12-01 | 2015-05-06 | 合肥市航嘉电子技术有限公司 | The tester of a kind of analog power plug and the test of electric capacity impact |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3985341B2 (en) * | 1998-05-26 | 2007-10-03 | アイシン精機株式会社 | Wire connector disconnection detection device |
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2014
- 2014-12-01 CN CN201410712090.7A patent/CN104345240B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101018383A (en) * | 2007-01-05 | 2007-08-15 | 华为技术有限公司 | Test system of the mobile terminal power consumption |
| CN201994528U (en) * | 2011-03-29 | 2011-09-28 | 利尔达科技有限公司 | Intelligent socket |
| CN103837842A (en) * | 2014-03-24 | 2014-06-04 | 福州瑞芯微电子有限公司 | Power supply automatic test device and system |
| CN104090199A (en) * | 2014-07-07 | 2014-10-08 | 珠海格力电器股份有限公司 | Device for simulating poor power contact phenomenon in use process of electric appliance |
| CN204314392U (en) * | 2014-12-01 | 2015-05-06 | 合肥市航嘉电子技术有限公司 | The tester of a kind of analog power plug and the test of electric capacity impact |
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| CN104345240A (en) | 2015-02-11 |
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