CN104345240A - Power plugging and unplugging and capacitance surge simulation tester - Google Patents
Power plugging and unplugging and capacitance surge simulation tester Download PDFInfo
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- CN104345240A CN104345240A CN201410712090.7A CN201410712090A CN104345240A CN 104345240 A CN104345240 A CN 104345240A CN 201410712090 A CN201410712090 A CN 201410712090A CN 104345240 A CN104345240 A CN 104345240A
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Abstract
The invention relates to a power plugging and unplugging and capacitance surge simulation tester, which comprises a master control board, a plugging and unplugging simulation testing circuit and a capacitance surge simulation testing circuit, wherein the master control board comprises a microprocessor, a display module circuit, a regulation control circuit and a control output circuit; the input end of the microprocessor is connected with the output end of the regulation control circuit, and the output end of the microprocessor is respectively connected with the input ends of the display module circuit and the control output circuit; the plugging and unplugging simulation testing circuit comprises a first switching device for controlling the power-on and the power-off of the tested equipment; the capacitance surge simulation testing circuit comprises switching devices, a surge capacitor and a discharge resistor; the switching devices comprise a second switching device for controlling the surge capacitor to be turned on and off and a third switching device for controlling the discharge resistor to be turned on and off. The tester can be used for power plugging and unplugging and capacitance surge simulation tests on electrical equipment, and the working stability of an electrical equipment finished product can be ensured.
Description
Technical field
The present invention relates to electric equipment technical field of measurement and test, be specifically related to a kind of tester for carrying out power supply plug and electric capacity impact simulation test to electric equipment.
Background technology
Along with the development of State Grid's electronics technology, various electric equipment, especially the kind of home appliance and quantity are also in continuous increase.Electric equipment often needs power supply inserting frequently, and the moment of each power supply inserting can produce the interference such as over-voltage and over-current, electric equipment certain patch number of times after, its power supply and system stability greatly can reduce and even occur damaging.
In addition, under complicated and diversified network system, there is various impact load, impact load can bring harmonic pollution to system voltage electric current, and the power-supply system of interference electric equipment, affects it and normally work.
For these problems, electric equipment manufacturing enterprise needs to test fully product, to ensure its job stability.
Summary of the invention
The object of the present invention is to provide the tester that a kind of analog power plugs and electric capacity impact is tested, this instrument can carry out analog power plug and the test of electric capacity impact, to ensure the job stability of electric equipment finished product to electric equipment.
For achieving the above object, present invention employs following technical scheme:
A tester for analog power plug and the test of electric capacity impact, comprises master control borad, plug simulation test circuit and electric capacity shock simulation test circuit.
Described master control borad comprises microprocessor, display module circuit, adjusting control circuit and control output circuit.Described microprocessor, its input end is connected with the output terminal of adjusting control circuit, and its output terminal is connected with display module circuit, the input end that controls output circuit respectively.
Described plug simulation test circuit comprises the first switching device for controlling equipment under test on/off.
Described electric capacity shock simulation test circuit comprises switching device, impacts electric capacity and discharge resistance.Described switching device comprises for controlling the second switch device of impact electric capacity break-make and the 3rd switching device for controlled discharge resistance break-make.
Further, described adjusting control circuit comprises the first adjusting control circuit for controlling making time and the second adjusting control circuit for controlling trip time.The first described adjusting control circuit is identical with the structure of the second adjusting control circuit, includes rotary switch Key1, resistance R2, resistance R3, resistance R4, resistance R5, electric capacity C2 and electric capacity C3.
Further, described control output circuit comprises and first controls output circuit for what control equipment under test on/off, second control output circuit for what control to impact electric capacity break-make and control output circuit for the 3rd of controlled discharge resistance break-make;
The structure that described first controls output circuit, the second control output circuit and the 3rd controls output circuit is identical, includes electronic relay, diode, electric capacity, transistor and resistance.
From above technical scheme, the present invention can by plug simulation test circuit and electric capacity shock simulation test circuit, to plug and power supply when impacting by electric capacity and system stability carry out testing authentication at power supply electric equipment.
Accompanying drawing explanation
Fig. 1 is 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 3rd circuit theory diagrams controlling output circuit.
Wherein:
1, master control borad, 2, plug simulation test circuit, 3, electric capacity shock simulation test circuit, 4, equipment under test, 5, microprocessor, 6, display module circuit, 7, adjusting control circuit, 8, control output circuit.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described:
As shown in Figure 1, the tester of a kind of analog power plug and the test of electric capacity impact, comprises master control borad 1, plug simulation test circuit 2 and electric capacity shock simulation test circuit 3.Plug simulation test circuit 2, for testing the power supply plug of equipment under test 4.Electric capacity shock simulation test circuit 3, for testing the anticapacitance impact property of equipment under test 4.In use procedure of the present invention, the present invention and equipment under test 4 adopt two independently power supply power separately, being that the present invention powers by the tester working power shown in Fig. 1, is that equipment under test is powered separately by the equipment under test working power shown in Fig. 1.
As shown in Figure 2, described master control borad 1 comprises microprocessor 5, display module circuit 6, adjusting control circuit 7 and controls output circuit 8.Described microprocessor 5, its input end is connected with the output terminal of adjusting control circuit 7, and its output terminal is connected with display module circuit 6, the input end that controls output circuit 8 respectively.The model of microprocessor 5 is auspicious Sa R5F101.Display module circuit 6, for showing making time of the present invention, trip time and test number (TN).Adjusting control circuit 7, for adjusting functional mode of the present invention, making time, trip time and start stop operation.Control output circuit 8, for the break-make of control Relay1-Relay3 tri-switchgears, to carry out different performance test to equipment under test 4.
As shown in Figure 3, described adjusting control circuit 7 comprises the first adjusting control circuit for controlling making time and the second adjusting control circuit for controlling trip time.The first described adjusting control circuit is identical with the structure of the second adjusting control circuit, includes rotary switch Key1, resistance R2, resistance R3, resistance R4, resistance R5, electric capacity C2 and electric capacity C3.Pin Key1_1 in Fig. 3 and pin Key1_2 is the output terminal of adjusting control circuit 7, and two pins are connected with the input end of microprocessor 5 respectively.Rotary switch Key1, its pin 1 connects 5V power supply signal through resistance R2, and its pin 3 connects 5V power supply signal through resistance R3, its pin 2 ground connection.Resistance R4 two ends connect pin 1 and the 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 pin 3 and the micro processor leg Key1_2 of rotary switch Key1 respectively.Electric capacity C3 two ends connect pin Key1_2 and ground respectively.In addition, alternative rotary switch Key1 can also be carried out with other regulating elements such as slide rheostats.By rotary switch Key1 and each resistance, the cooperatively interacting of each electric capacity, make-and-break time when can use the present invention regulates.
As shown in Figure 1, master control borad 1 comprises 3 signal output interfaces K1, K2 and K3, and the common port COM corresponding with 3 signal output interfaces.Wherein, (K1, COM), for controlling the on/off of equipment under test; (K2, COM), for controlling the break-make of impacting electric capacity C1; (K3, COM), for the break-make of controlled discharge resistance R1.As shown in Fig. 4-Fig. 6, described control output circuit 8 comprises and first controls output circuit for what control equipment under test on/off, second control output circuit for what control to impact electric capacity break-make and control output circuit for the 3rd of controlled discharge resistance break-make.The structure that described first controls output circuit, the second control output circuit and the 3rd controls output circuit is identical, includes electronic relay, diode, electric capacity, transistor and resistance.Control output circuit, by electronic relay, vulnerabilities scan signal is converted to forceful electric power signal, and then control the duty of plug simulation test circuit and electric capacity shock simulation test circuit.
Specifically, as shown in Figure 4, the first control output circuit comprises diode D11, electronic relay Relay4, electric capacity XC2, resistance R34, resistance R35 and transistor Q18.Diode D11, its negative electrode connects 12V power supply signal, and its anode connects transistor Q18 collector.Electronic relay Relay4, its input end is connected in parallel on the two ends of diode D11, and its output terminal is connected in parallel on the two ends of electric capacity XC2.Transistor Q18, its base stage meets the output terminal Kout1 of microprocessor through resistance R35, and its grounded emitter is connected with resistance R34 between its base stage and emitter.Electric capacity XC2, the live wire L of its upper end connecting test instrument working power, its lower end connects the first output interface K1 of master control borad.The public port COM that first output interface K1 is corresponding meets the zero line N of tester working power.
As shown in Figure 5, the second control output circuit comprises diode D12, electronic relay Relay5, electric capacity XC3, resistance R43, resistance R42 and transistor Q19.Diode D12, its negative electrode connects 12V power supply signal, and its anode connects the collector of transistor Q19.Electronic relay Relay5, its input end is connected in parallel on the two ends of diode D12, and its output terminal is connected in parallel on the two ends of electric capacity XC3.Transistor Q19, its base stage meets the output terminal Kout2 of microprocessor through resistance R43, and its grounded emitter is connected with resistance R42 between its base stage and emitter.Electric capacity XC3, the live wire L of its upper end connecting test instrument working power, its lower end connects the second output interface K2 of master control borad.The public port COM that second output interface K2 is corresponding meets the zero line N of tester working power.
As shown in Figure 6, the 3rd control output circuit comprises diode D13, electronic relay Relay6, electric capacity XC4, resistance R50, resistance R48 and transistor Q20.Diode D13, its negative electrode connects 12V power supply signal, and its anode connects the collector of transistor Q20.Electronic relay Relay6, its input end is connected in parallel on the two ends of diode D13, and its output terminal is connected in parallel on the two ends of electric capacity XC4.Transistor Q20, its base stage meets the output terminal BreakPower of microprocessor through resistance R50, and its grounded emitter is connected with resistance R48 between its base stage and emitter.Electric capacity XC4, the live wire L of its upper end connecting test instrument working power, its lower end connects the 3rd output interface K3 of master control borad.The public port COM that second output interface K3 is corresponding meets the zero line N of tester working power.
Further, as shown in Figure 1, described plug simulation test circuit 2 comprises the first switching device Relay1 for controlling equipment under test on/off.First switching device Relay1, it controls the first output interface K1 and the common port COM of termination master control borad; The live wire L-EUT of its input termination equipment under test working power and zero line N-EUT; Its output terminal is connected with the input end of equipment under test 4, electric capacity shock simulation test circuit 3 respectively.In actual use, the parameter of the first switching device Relay1 will be determined according to the voltage of equipment under test and power grade.
Further, as shown in Figure 1, described electric capacity shock simulation test circuit 3 comprises switching device, impacts electric capacity C1 and discharge resistance R1.Dash current size as required determines the parameter of impacting electric capacity, according to resistance and the watt level of electric discharge speed determination discharge resistance.Described switching device comprises for controlling the second switch device R elay2 of impact electric capacity break-make and the second switch device R elay3 for controlled discharge resistance break-make.Second switch device R elay2, it controls the second output interface K2 and the common port COM of termination master control borad; Its input end is connected with the output terminal of the first switching device Relay1, the input end of equipment under test respectively; Its output terminal is connected in parallel on and impacts electric capacity C1 two ends.As shown in Figure 1, after discharge resistance R1 connects with the 3rd switching device Relay3, then the two ends of discharge capacity C1 are connected in parallel on.The control end of the 3rd switching device Relay3 is connected with the 3rd output interface K3 of master control borad and common port COM.
Principle of work of the present invention is:
When the present invention carry out power plug pull out simulation test time, control output circuit by first and make the first switching device Relay1 break-make, control output circuit by second makes second switch device R elay2 keep turning off simultaneously, thus realizes the test of the analog power plug of equipment under test.
When the present invention carries out the test of electric capacity shock simulation, controlling output circuit by first makes the first switching device Relay1 be always closure state, control by second input and the excision that output circuit controls to impact electric capacity C1 again, control the break-make of output circuit controlled discharge resistance simultaneously by the 3rd.When impacting electric capacity C1 and dropping into, discharge resistance R1 turns off; When impacting electric capacity C1 excision, discharge resistance R1 closes, and ensures electric capacity impact effect.
When the present invention does not carry out any simulation test, control output circuit by the 3rd and make the 3rd switching device Relay3 be always closure state, make the charge volume of impact electric capacity C1 be 0, thus ensure the safety of the present invention and equipment under test.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (3)
1. a tester for analog power plug and the test of electric capacity impact, is characterized in that: comprise master control borad (1), plug simulation test circuit (2) and electric capacity shock simulation test circuit (3);
Described master control borad (1) comprises microprocessor (5), display module circuit (6), adjusting control circuit (7) and controls output circuit (8); Described microprocessor (5), its input end is connected with the output terminal of adjusting control circuit (7), and its output terminal is connected with display module circuit (6), the input end that controls output circuit (8) respectively;
Described plug simulation test circuit (2) comprises the first switching device for controlling equipment under test on/off;
Described electric capacity shock simulation test circuit (3) comprises switching device, impacts electric capacity and discharge resistance; Described switching device comprises for controlling the second switch device of impact electric capacity break-make and the 3rd switching device for controlled discharge resistance break-make.
2. the tester of a kind of analog power plug according to claim 1 and the test of electric capacity impact, is characterized in that: described adjusting control circuit (7) comprises the first adjusting control circuit for controlling making time and the second adjusting control circuit for controlling trip time; The first described adjusting control circuit is identical with the circuit structure of the second adjusting control circuit, includes rotary switch Key1, resistance R2, resistance R3, resistance R4, resistance R5, electric capacity C2 and electric capacity C3.
3. the tester of a kind of analog power plug according to claim 1 and the test of electric capacity impact, is characterized in that: described control output circuit (8) comprises and first controls output circuit for what control equipment under test on/off, second control output circuit for what control to impact electric capacity break-make and control output circuit for the 3rd of controlled discharge resistance break-make;
The circuit structure that described first controls output circuit, the second control output circuit and the 3rd controls output circuit is identical, includes electronic relay, diode, electric capacity, transistor 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 |
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| CN104345240A true CN104345240A (en) | 2015-02-11 |
| CN104345240B CN104345240B (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766545A (en) * | 2020-05-14 | 2020-10-13 | 浙江南都电源动力股份有限公司 | Connector testing method and device |
| CN113267736A (en) * | 2021-05-31 | 2021-08-17 | 荣耀终端有限公司 | Charging test device and method |
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| JPH11337609A (en) * | 1998-05-26 | 1999-12-10 | Aisin Seiki Co Ltd | Detector for detecting disconnection of electric wire connector |
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| CN201994528U (en) * | 2011-03-29 | 2011-09-28 | 利尔达科技有限公司 | Intelligent socket |
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| 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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2014
- 2014-12-01 CN CN201410712090.7A patent/CN104345240B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH11337609A (en) * | 1998-05-26 | 1999-12-10 | Aisin Seiki Co Ltd | Detector for detecting disconnection of electric wire connector |
| 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 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766545A (en) * | 2020-05-14 | 2020-10-13 | 浙江南都电源动力股份有限公司 | Connector testing method and device |
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| CN113267736A (en) * | 2021-05-31 | 2021-08-17 | 荣耀终端有限公司 | Charging test device and method |
| 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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| Publication number | Publication date |
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| CN104345240B (en) | 2017-03-15 |
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