CN104597363A - Capacitor testing device and capacitor testing method - Google Patents
Capacitor testing device and capacitor testing method Download PDFInfo
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- CN104597363A CN104597363A CN201310526276.9A CN201310526276A CN104597363A CN 104597363 A CN104597363 A CN 104597363A CN 201310526276 A CN201310526276 A CN 201310526276A CN 104597363 A CN104597363 A CN 104597363A
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Abstract
The invention discloses a capacitor testing device used for testing the performance of a to-be-tested capacitor. The capacitor testing device comprises a power supply module including an adjustable high-power power supply, a testing module including a testing collection unit and a control unit, a storage module connected with the control unit, and a man-machine interaction module including a display unit. By arranging the testing collection unit, the control unit, the storage unit and the display unit, complete record and effective comparison of related performance indexes of the to-be-tested capacitor and more user-friendly man-machine interaction can be realized. Finally, the performance of the to-be-tested capacitor can be analyzed based on a temperature characteristic curve, a voltage withstanding characteristic curve and an attenuation characteristic curve graph drawn by the control unit, and the first-pass yield of capacitors can be improved in an automatic way. The invention further discloses a capacitor testing method.
Description
Technical field
the present invention relates to capacitor area, particularly relate to a kind of proving installation and method of testing thereof of capacitor.
Background technology
Traditional capacitor is when testing, general recording voltage value, current value and capacitance, the historical datas such as the energising test duration of measured capacitance device, voltage drop, electric current, inductance value, direct current resistance and reactance temperature can not be recorded, capacitive property curve map and the output alarm to substandard product very intuitively can not be produced.
Summary of the invention
For solving the problem, the invention provides a kind of can realize to the recording completely of measured capacitance device related performance indicators, effective ratio compared with and the proving installation of more humane interactive capacitor.
Technical scheme of the present invention is as follows: a kind of proving installation of capacitor, for carrying out performance test to measured capacitance device, comprising:
Power supply module, comprises adjustable large power supply, and described adjustable large power supply connects described measured capacitance device and provides operating voltage for described measured capacitance device;
Test module, comprises test collecting unit and control module, and described test collecting unit connects described measured capacitance device and gathers the magnitude of voltage of the described measured capacitance device of many groups, current value and temperature value; Described control module connects described test collecting unit and receives and calculate the capability value of the described measured capacitance device of many groups, draws the temperature characteristics of described measured capacitance, voltage endurance curve and cutoff characteristic;
Memory module, connects described control module, for storing magnitude of voltage, current value, temperature value and the capability value of organizing described measured capacitance device more;
Man-machine conversation module, comprises display unit, and described display unit connects described control module and exports the temperature characteristics of described measured capacitance device, voltage endurance curve and cutoff characteristic from described control module.
Preferably, described proving installation also comprises the adjustable constant temperature oven of temperature, and described measured capacitance device is positioned in described constant temperature oven.
Preferably, described proving installation also comprises the current balance module of the impact that the action for eliminating described measured capacitance device brings to described adjustable large power supply, described current balance module comprises paralleing reactor and balancing capacitor, and described paralleing reactor and balancing capacitor are arranged in parallel with described measured capacitance device respectively and are connected in described adjustable large power supply.
Preferably, described test module also comprises monitoring collecting unit, and described monitoring collecting unit connects described adjustable large power supply, paralleing reactor and balancing capacitor respectively and gathers the magnitude of voltage of described adjustable large power supply, paralleing reactor and balancing capacitor, current value and temperature value; Described control module connects described monitoring collecting unit and receives the magnitude of voltage of described adjustable large power supply, paralleing reactor and balancing capacitor, current value and temperature value; Described display unit connects described control module and shows the magnitude of voltage of described adjustable large power supply, paralleing reactor and balancing capacitor, current value and temperature value.
Preferably, described man-machine conversation module also comprises alarm unit, and described alarm unit connects described control module and reports to the police to the exception of the magnitude of voltage of described measured capacitance device, adjustable large power supply, paralleing reactor and balancing capacitor, current value, temperature value and capability value.
The present invention also provides a kind of method of testing of capacitor, for testing the temperature performance of described measured capacitance device, adopting proving installation as above, comprising the following steps:
(1) described measured capacitance device to be positioned in described constant temperature oven and to regulate the temperature of described constant temperature oven to change in time between 60 ~ 80 DEG C;
(2) by described adjustable large power supply to described measured capacitance device amount of imports fixed working voltage;
(3) gather magnitude of voltage, current value and the temperature value of organizing described measured capacitance device interval time by described test collecting unit more;
(4) receive the magnitude of voltage of described many group measured capacitance devices, current value and temperature value by described control module, calculate the capability value of described measured capacitance device, and draw the temperature characteristics figure of described measured capacitance;
(5) stored magnitude of voltage, current value, temperature value and the capability value of organizing described measured capacitance device by described memory module more;
(6) the temperature characteristics figure of described measured capacitance is shown by described display unit.
The present invention further provides a kind of method of testing of capacitor, for testing the fade performance of described measured capacitance device, adopting proving installation as above, comprising the following steps:
(1) described measured capacitance device to be positioned in described constant temperature oven and to regulate temperature to 60 ~ 80 DEG C of described constant temperature oven;
(2) by described adjustable large power supply to described measured capacitance device amount of imports fixed working voltage;
(3) gather magnitude of voltage, current value and the temperature value of organizing described measured capacitance device interval time by described test collecting unit more;
(4) receive the magnitude of voltage of described many group measured capacitance devices, current value and temperature value by described control module, corresponding calculate multiple described measured capacitance device capability value and draw the cutoff characteristic figure of described measured capacitance;
(5) stored magnitude of voltage, current value, temperature value and the capability value of organizing described measured capacitance device by described memory module more;
(6) the cutoff characteristic figure of described measured capacitance is shown by described display unit.
The present invention further provides a kind of method of testing of capacitor, for testing the withstand voltage properties of described measured capacitance device, adopting proving installation as above, comprising the following steps:
(1) described measured capacitance device to be positioned in described constant temperature oven and to regulate temperature to 60 ~ 80 DEG C of described constant temperature oven;
(2) inputted the instantaneous pressure of 2.5 times of rated operational voltages to described measured capacitance device by described adjustable large power supply;
(3) magnitude of voltage and the current value of measured capacitance device described in a group is gathered by described test collecting unit;
(4) magnitude of voltage and the current value of described measured capacitance device is received by described control module, the corresponding capability value calculating described measured capacitance device;
(5) magnitude of voltage of described measured capacitance device, current value and capability value is stored by described memory module;
(6) magnitude of voltage of described measured capacitance device, current value and capability value is shown by described display unit.
Adopt the beneficial effect of above technical scheme: by arranging described test collecting unit, control module, storage unit and display unit, can realize to the recording completely of measured capacitance device related performance indicators, effective ratio compared with and more humane man-machine conversation, temperature characteristics, voltage endurance curve and the cutoff characteristic figure that finally can draw according to control module analyze the performance of measured capacitance device, improve the first-time qualification rate of capacitor in an automated manner.
The present invention also has other beneficial effect: one, by arranging paralleing reactor and balancing capacitor, can balanced system electric current, eliminates resonance, the impact that the action eliminating measured capacitance device brings to adjustable large power supply; Two, by arranging monitoring collecting unit and alarm unit, the comprehensive monitoring to whole proving installation can be realized, any one part goes wrong and all can report to the police, thus reduces the impact because causing test result when the voltage of adjustable large power supply, paralleing reactor and balancing capacitor, electric current or temperature occur abnormal.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the block scheme of the proving installation embodiment 1 of capacitor disclosed by the invention;
Fig. 2 is the block scheme of the proving installation embodiment 2 of capacitor disclosed by the invention;
Fig. 3 is the block scheme of the proving installation embodiment 3 of capacitor disclosed by the invention;
Fig. 4 is the block scheme of the proving installation embodiment 4 of capacitor disclosed by the invention.
The title of the numeral in figure or the corresponding component representated by letter:
1. measured capacitance device 2. adjustable large power supply 3. constant temperature oven 4. test module 41. is tested collecting unit 42. control module 43. and is monitored collecting unit 5. memory module 6. man-machine conversation module 61. display unit 62. alarm unit 7. current balance module 71. paralleing reactor 72. balancing capacitor.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
See Fig. 1, as shown in legend wherein, a kind of proving installation of capacitor, for carrying out performance test to measured capacitance device 1, comprising:
One power supply module, comprises adjustable large power supply 2, and adjustable large power supply 2 connects measured capacitance device 1 and provides operating voltage for measured capacitance device 1;
One constant temperature oven 3, temperature is adjustable and for placing measured capacitance device 1;
One test module 4, comprises test collecting unit 41 and a control module 42, and test collecting unit 41 connects measured capacitance device 1 and gathers the magnitude of voltage of many group measured capacitance devices 1, current value and temperature value; Control module 42 connecting test collecting unit 41 and receive and calculate the capability value of many group measured capacitance devices 1, draws the temperature characteristics of measured capacitance 1, voltage endurance curve and cutoff characteristic;
One memory module 5, connection control unit 42, for storing magnitude of voltage, current value, temperature value and the capability value of organizing measured capacitance device 1 more;
One man-machine conversation module 6, comprises a display unit 61, display unit 61 connection control unit 42 and export the temperature characteristics of measured capacitance device 1, voltage endurance curve and cutoff characteristic from control module 42.
Introduce a kind of method of testing of capacitor below, for testing the temperature performance of measured capacitance device 1, adopting proving installation described above, comprising the following steps:
(1) measured capacitance device 1 to be positioned in constant temperature oven 3 and the temperature of regulating constant incubator 3 changes in time between 60 ~ 80 DEG C;
(2) by adjustable large power supply 2 to measured capacitance device 1 amount of imports fixed working voltage;
(3) gather magnitude of voltage, current value and the temperature value of organizing measured capacitance device 1 interval time by test collecting unit 41 more;
(4) receive the magnitude of voltage of above-mentioned many group measured capacitance devices 1, current value and temperature value by control module 42, calculate the capability value of measured capacitance device 1, and draw the temperature characteristics figure of measured capacitance device 1;
(5) stored magnitude of voltage, current value, temperature value and the capability value of organizing measured capacitance device 1 by memory module 5 more;
(6) the temperature characteristics figure of measured capacitance 1 is shown by display unit 61.
Introduce a kind of method of testing of capacitor below, for testing the fade performance of described measured capacitance device, adopting proving installation as above, comprising the following steps:
(1) measured capacitance device 1 is positioned in constant temperature oven 3 and temperature to 60 ~ 80 DEG C of regulating constant incubator 3;
(2) by adjustable large power supply 2 to measured capacitance device 1 amount of imports fixed working voltage;
(3) gather magnitude of voltage, current value and the temperature value of organizing measured capacitance device 1 interval time by test collecting unit 41 more;
(4) receive the magnitude of voltage of described many group measured capacitance devices 1, current value and temperature value by control module 42, corresponding calculate multiple measured capacitance device 1 capability value and draw the cutoff characteristic figure of measured capacitance 1;
(5) stored magnitude of voltage, current value, temperature value and the capability value of organizing measured capacitance device 1 by memory module 5 more;
(6) the cutoff characteristic figure of measured capacitance 1 is shown by display unit 61.
Introduce a kind of method of testing of capacitor below, for testing the withstand voltage properties of measured capacitance device 1, adopting proving installation as above, comprising the following steps:
(1) measured capacitance device 1 is positioned in constant temperature oven 3 and temperature to 60 ~ 80 DEG C of regulating constant incubator 3;
(2) inputted the instantaneous pressure of 2.5 times of rated operational voltages to measured capacitance device 1 by adjustable large power supply 2;
(3) magnitude of voltage and the current value of one group of measured capacitance device 1 is gathered by test collecting unit 41;
(4) magnitude of voltage and the current value of measured capacitance device 1 is received by control module 42, the corresponding capability value calculating measured capacitance device 1;
(5) magnitude of voltage of measured capacitance device 1, current value and capability value is stored by memory module 5;
(6) magnitude of voltage of measured capacitance device 1, current value and capability value is shown by display unit 61.
Embodiment 2
See Fig. 2, as shown in legend wherein, all the other are identical with described embodiment 1, difference is, above-mentioned proving installation also comprises a current balance module 7 of the impact that the action for eliminating measured capacitance device 1 brings to adjustable large power supply 2, current balance module 7 comprises paralleing reactor 71 and a balancing capacitor 72, and paralleing reactor 71 and balancing capacitor 72 are arranged in parallel with measured capacitance device 1 respectively and are connected in adjustable large power supply 2.
By arranging paralleing reactor 71 and balancing capacitor 72, can balanced system electric current, eliminate resonance, the impact that the action eliminating measured capacitance device 1 brings to adjustable large power supply 2.
Embodiment 3
See Fig. 3, as shown in legend wherein, all the other are identical with described embodiment 2, difference is, test module 4 also comprises a monitoring collecting unit 43, and monitoring collecting unit 43 connects adjustable large power supply 2, paralleing reactor 71 and balancing capacitor 72 respectively and gathers the magnitude of voltage of adjustable large power supply 2, paralleing reactor 71 and balancing capacitor 72, current value and temperature value; Control module 42 connects monitoring collecting unit 43 and receives the magnitude of voltage of adjustable large power supply 2, paralleing reactor 71 and balancing capacitor 72, current value and temperature value; Display unit 61 connection control unit 42 and show the magnitude of voltage of adjustable large power supply 2, paralleing reactor 71 and balancing capacitor 72, current value and temperature value.
By arranging monitoring collecting unit 43, can to realize the comprehensive monitoring of whole proving installation and by its displayed value display unit 61, thus to reduce the impact because causing test result when the voltage of adjustable large power supply 2, paralleing reactor 71 and balancing capacitor 72, electric current or temperature occur abnormal.
Embodiment 4
See Fig. 4, as shown in legend wherein, all the other are identical with described embodiment 3, difference is, man-machine conversation module 6 also comprises an alarm unit 62, alarm unit 62 connection control unit 42 and reporting to the police to the exception of the magnitude of voltage of measured capacitance device 1, adjustable large power supply 2, paralleing reactor 71 and balancing capacitor 72, current value, temperature value and capability value.
By arranging alarm unit 62, can realize the comprehensive monitoring to whole proving installation, any one part goes wrong and all can report to the police.
Adopt the beneficial effect of above technical scheme: by arranging described test collecting unit, control module, storage unit and display unit, can realize to the recording completely of measured capacitance device related performance indicators, effective ratio compared with and more humane man-machine conversation, temperature characteristics, voltage endurance curve and the cutoff characteristic figure that finally can draw according to control module analyze the performance of measured capacitance device, improve the first-time qualification rate of capacitor in an automated manner.
The present invention also has other beneficial effect: one, by arranging paralleing reactor and balancing capacitor, can balanced system electric current, eliminates resonance, the impact that the action eliminating measured capacitance device brings to adjustable large power supply; Two, by arranging monitoring collecting unit and alarm unit, the comprehensive monitoring to whole proving installation can be realized, any one part goes wrong and all can report to the police, thus reduces the impact because causing test result when the voltage of adjustable large power supply, paralleing reactor and balancing capacitor, electric current or temperature occur abnormal.
Be more than the description to the embodiment of the present invention, by the above-mentioned explanation to the disclosed embodiments, professional and technical personnel in the field realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a proving installation for capacitor, for carrying out performance test to measured capacitance device, is characterized in that, comprising:
Power supply module, comprises adjustable large power supply, and described adjustable large power supply connects described measured capacitance device and provides operating voltage for described measured capacitance device;
Test module, comprises test collecting unit and control module, and described test collecting unit connects described measured capacitance device and gathers the magnitude of voltage of the described measured capacitance device of many groups, current value and temperature value; Described control module connects described test collecting unit and receives and calculate the capability value of the described measured capacitance device of many groups, draws the temperature characteristics of described measured capacitance, voltage endurance curve and cutoff characteristic;
Memory module, connects described control module, for storing magnitude of voltage, current value, temperature value and the capability value of organizing described measured capacitance device more;
Man-machine conversation module, comprises display unit, and described display unit connects described control module and exports the temperature characteristics of described measured capacitance device, voltage endurance curve and cutoff characteristic from described control module.
2. proving installation according to claim 1, is characterized in that, described proving installation also comprises the adjustable constant temperature oven of temperature, and described measured capacitance device is positioned in described constant temperature oven.
3. proving installation according to claim 2, it is characterized in that, described proving installation also comprises the current balance module of the impact that the action for eliminating described measured capacitance device brings to described adjustable large power supply, described current balance module comprises paralleing reactor and balancing capacitor, and described paralleing reactor and balancing capacitor are arranged in parallel with described measured capacitance device respectively and are connected in described adjustable large power supply.
4. proving installation according to claim 3, it is characterized in that, described test module also comprises monitoring collecting unit, and described monitoring collecting unit connects described adjustable large power supply, paralleing reactor and balancing capacitor respectively and gathers the magnitude of voltage of described adjustable large power supply, paralleing reactor and balancing capacitor, current value and temperature value; Described control module connects described monitoring collecting unit and receives the magnitude of voltage of described adjustable large power supply, paralleing reactor and balancing capacitor, current value and temperature value; Described display unit connects described control module and shows the magnitude of voltage of described adjustable large power supply, paralleing reactor and balancing capacitor, current value and temperature value.
5. proving installation according to claim 4, it is characterized in that, described man-machine conversation module also comprises alarm unit, and described alarm unit connects described control module and reports to the police to the exception of the magnitude of voltage of described measured capacitance device, adjustable large power supply, paralleing reactor and balancing capacitor, current value, temperature value and capability value.
6. a method of testing for capacitor, for testing the temperature performance of described measured capacitance device, is characterized in that, adopting proving installation as claimed in claim 2, comprising the following steps:
(1) described measured capacitance device to be positioned in described constant temperature oven and to regulate the temperature of described constant temperature oven to change in time between 60 ~ 80 DEG C;
(2) by described adjustable large power supply to described measured capacitance device amount of imports fixed working voltage;
(3) gather magnitude of voltage, current value and the temperature value of organizing described measured capacitance device interval time by described test collecting unit more;
(4) receive the magnitude of voltage of described many group measured capacitance devices, current value and temperature value by described control module, calculate the capability value of described measured capacitance device, and draw the temperature characteristics figure of described measured capacitance;
(5) stored magnitude of voltage, current value, temperature value and the capability value of organizing described measured capacitance device by described memory module more;
(6) the temperature characteristics figure of described measured capacitance is shown by described display unit.
7. a method of testing for capacitor, for testing the fade performance of described measured capacitance device, is characterized in that, adopting proving installation as claimed in claim 5, comprising the following steps:
(1) described measured capacitance device to be positioned in described constant temperature oven and to regulate temperature to 60 ~ 80 DEG C of described constant temperature oven;
(2) by described adjustable large power supply to described measured capacitance device amount of imports fixed working voltage;
(3) gather magnitude of voltage, current value and the temperature value of organizing described measured capacitance device interval time by described test collecting unit more;
(4) receive the magnitude of voltage of described many group measured capacitance devices, current value and temperature value by described control module, corresponding calculate multiple described measured capacitance device capability value and draw the cutoff characteristic figure of described measured capacitance;
(5) stored magnitude of voltage, current value, temperature value and the capability value of organizing described measured capacitance device by described memory module more;
(6) the cutoff characteristic figure of described measured capacitance is shown by described display unit.
8. a method of testing for capacitor, for testing the withstand voltage properties of described measured capacitance device, is characterized in that, adopting proving installation as claimed in claim 5, comprising the following steps:
(1) described measured capacitance device to be positioned in described constant temperature oven and to regulate temperature to 60 ~ 80 DEG C of described constant temperature oven;
(2) inputted the instantaneous pressure of 2.5 times of rated operational voltages to described measured capacitance device by described adjustable large power supply;
(3) magnitude of voltage and the current value of measured capacitance device described in a group is gathered by described test collecting unit;
(4) magnitude of voltage and the current value of described measured capacitance device is received by described control module, the corresponding capability value calculating described measured capacitance device;
(5) magnitude of voltage of described measured capacitance device, current value and capability value is stored by described memory module;
(6) magnitude of voltage of described measured capacitance device, current value and capability value is shown by described display unit.
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| CN201310526276.9A CN104597363A (en) | 2013-10-31 | 2013-10-31 | Capacitor testing device and capacitor testing method |
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| CN105186144A (en) * | 2015-08-27 | 2015-12-23 | 重庆渝至达科技有限公司 | High-stability and low-frequency antenna matching method |
| CN105548830A (en) * | 2015-12-08 | 2016-05-04 | 南通大学 | High-voltage capacitor voltage withstanding testing method |
| CN106093625A (en) * | 2016-05-31 | 2016-11-09 | 东莞理工学院 | A kind of Universal electric characteristic test method of super capacitor energy-storage module |
| CN106771715A (en) * | 2016-11-24 | 2017-05-31 | 中车永济电机有限公司 | A kind of electric transmission DC support electric capacity life-span checking test method |
| CN106896244A (en) * | 2017-04-12 | 2017-06-27 | 江苏伊施德创新科技有限公司 | Ageing fixture and the method that contact condition and the test of ageing result are done using the fixture |
| CN107918067A (en) * | 2016-10-10 | 2018-04-17 | 东莞市东阳光电容器有限公司 | The internal temperature rise test method and device of a kind of aluminium electrolutic capacitor |
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Application publication date: 20150506 |