CN104345285A - Energy-saving power adapter ageing testing device - Google Patents
Energy-saving power adapter ageing testing device Download PDFInfo
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- CN104345285A CN104345285A CN201410613664.5A CN201410613664A CN104345285A CN 104345285 A CN104345285 A CN 104345285A CN 201410613664 A CN201410613664 A CN 201410613664A CN 104345285 A CN104345285 A CN 104345285A
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- 238000012360 testing method Methods 0.000 title claims abstract description 80
- 230000032683 aging Effects 0.000 title claims abstract description 67
- 238000004134 energy conservation Methods 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 8
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003491 array Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The invention discloses an energy-saving power adapter ageing testing device and belongs to the technical field of a power adapter. A group of power adapter ageing testing array of the device is connected to a commercial power grid or at least two groups of power adapter ageing testing arrays are connected to the commercial power grid in parallel; each group of power adapter ageing testing array is formed by serially connecting N power adapter ageing testing units and then serially connecting the N power adapter ageing testing units to an electronic load; each power adapter ageing testing unit comprises a to-be-tested power adapter, a power supply ageing special module and a relay. Compared with the current power adapter ageing testing equipment, the energy-saving power adapter ageing testing device has the advantages that required power supply equipment capacity of the device is reduced to 15 to 20 percent of that of the current power adapter ageing testing equipment, 85 to 90 percent of electric energy can be saved, the electric energy is not consumed on a resistor any more, the energy consumption is reduced, meanwhile, the production cost and the pollution to environment are reduced, and a power adapter which can be applied to test comprises alternating current-direct current electronic equipment for conversion, such as an electric vehicle charger, an LED (light-emitting diode) illuminating power supply and a computer power adapter.
Description
Technical field
The invention belongs to power supply changeover device technical field of measurement and test, particularly a kind of device of power supply changeover device burn-in test.
Background technology
Power supply changeover device is electronic equipment alternating current AC being transformed to direct current DC, and it is widely used in the electronic product such as charger, adapter.
Existing AC/DC insulating power supply converter (hereinafter referred to as power supply changeover device), as charger particularly relatively high power electrical bike charger, the electronic products such as LED illumination power supply, the burn-in test test of 3-8 hour all will be carried out before coming into the market after having produced, method of testing applies nominal working conditions to power supply changeover device to add nominal load, this load is generally electronic load or high-power resistance load, bad components and parts are allowed to expose through the regular hour under the high temperature conditions, it is the important step guaranteeing product quality, and a large amount of valuable energy will be consumed in vain in the power supply changeover device burn-in test process of long period, as produced aging 10Kw power supply changeover device, continuous ageing tunnel line is 100 stations, power supply capacity must be greater than 1000Kw, 8 hours will power consumption 8000 degree, the electricity charge are unit up to ten thousand also, make power supply changeover device in burn-in test process electric energy consumption in vain at resistance, and add environmental pollution.
Summary of the invention
The object of the invention is to overcome above technical matters, a kind of energy-conservation power supply changeover device ageing tester is provided, by the positive output of tested power supply changeover device being fed back to the burn-in test module of burn-in test unit to compensate the loss of electric energy, greatly can reduce the power consumption in power supply changeover device test process, and ensure the validity of burn-in test.
The technical scheme that the present invention is adopted for achieving the above object is: a kind of energy-conservation power supply changeover device ageing tester, is characterized in that: one group of power supply changeover device burn-in test array be connected on utility grid or at least two group power supply changeover device burn-in test array in parallel on utility grid; Often organize power supply changeover device burn-in test array by N number of power supply changeover device burn-in test units in series, then connect with electronic load and form;
Often organize power supply changeover device burn-in test unit and comprise tested power supply changeover device, power source aging special module and relay, the positive and negative output terminal of described tested power supply changeover device connects input end and the GED input end of power source aging special module respectively, the positive and negative output terminal cross-over connection relay of tested power supply changeover device, a pair normally closed contact of described relay is connected across between the positive output end of tested power supply changeover device and the positive output end of the tested power supply changeover device of the next one;
Often organizing in power supply changeover device burn-in test array:
The input end of the tested power supply changeover device of first power supply changeover device burn-in test unit is connected with utility grid is defeated, the input end of the tested power supply changeover device of remaining power supply changeover device burn-in test unit is connected with the power source aging special module output terminal of previous power supply changeover device burn-in test unit, last tested power supply changeover device positive output end difference feedback link is to first feedback input end to the power source aging special module of penultimate power supply changeover device burn-in test unit, last power source aging special module just, negative output terminal is connected with electronic load,
Described power supply changeover device burn-in test array of often organizing is by N number of power supply changeover device burn-in test units in series, and described N is positive integer, and meets formula: N≤1/ (2-η
1-η
2), wherein η
1and η
2be respectively the efficiency of tested power supply changeover device, power source aging special module.
Described power source aging special module comprises power frequency inverter, DC/DC converter, voltage negative feedback circuit, Current Negative Three-Point Capacitance comparator circuit, diode, to be input end V1 be connected the input end of described power frequency inverter with GND publicly in its wiring, feedback end is powered to described DC/DC converter, the positive output termination voltage negative feedback circuit of this DC/DC converter, to control described DC/DC converter, and through diode D by just to the negative V1 input end connecing power frequency inverter, the GND input end of this aging special module has been connected current sampling resistor RI, its sampling current controls described DC/DC converter.
The beneficial effect of device of the present invention is: compared with the aging equipment of existing power supply converter, power-supply unit capacity needed for apparatus of the present invention is reduced to the 15%-20% of existing aging equipment, can be economized on electricity energy 85%-90%, no longer make the consumption in vain of valuable electric energy on resistance, reduce energy consumption, reduce production cost and the pollution to environment simultaneously.
The power supply changeover device that this power supply changeover device ageing tester can be applied to test includes but not limited to that the similar interchanges such as electric car charger, LED illumination power supply, computer power adapter change the conversion electronic equipment of direct current into.
Accompanying drawing explanation
Fig. 1 is a kind of syndeton schematic diagram of energy-conservation power supply changeover device ageing tester
Fig. 2 is the schematic diagram of the power source aging special module in Fig. 1
In figure: 1. utility grid, 2. tested power supply changeover device, 3. power source aging special module 4. power supply changeover device burn-in test unit, 5. relay, 6. electronic load
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, but the present invention does not limit to specific embodiment.
Embodiment 1
As Fig. 1,2 one kinds of energy-conservation power supply changeover device ageing testers, one group of power supply changeover device burn-in test array is connected on utility grid 1, and this group power supply changeover device burn-in test array is connected by N number of power supply changeover device burn-in test unit 4, then connects with electronic load 6 and form, wherein, η
1and η
2be respectively the efficiency of tested power supply changeover device 2, power source aging special module 3, η
1=92%, η
2=95%, then N≤1/0.13=7.7, i.e. N=7, have a 7 power supply changeover device burn-in test units in series.
Often organize power supply changeover device burn-in test unit and comprise tested power supply changeover device 2, power source aging special module 3 and relay 5, described tested power supply changeover device 2 just, negative output terminal connects input end and the GED input end of power source aging special module respectively, tested power supply changeover device 2 just, negative output terminal cross-over connection relay 5, a pair normally closed contact of described relay is connected across between the positive output end of tested power supply changeover device 2 and the positive output end of the tested power supply changeover device 2 of the next one, during normal work, this relay adhesive, normally closed contact disconnects, if this power supply changeover device breaks down lose output voltage, relay discharges, its normally closed contact closes, this trouble power converter positive output is shorted to the positive output end of next tested power supply changeover device, thus guarantee that whole ageing system runs in the same old way.
Often organizing in power supply changeover device burn-in test array:
The input end of the tested power supply changeover device of first power supply changeover device burn-in test unit is connected with utility grid is defeated, the input end of the tested power supply changeover device of remaining power supply changeover device burn-in test unit is connected with the power source aging special module output terminal of previous power supply changeover device burn-in test unit, last tested power supply changeover device positive output end difference feedback link is to first feedback input end to the power source aging special module of penultimate power supply changeover device burn-in test unit, last power source aging special module just, negative output terminal is connected with electronic load,
Power source aging special module comprises power frequency inverter, DC/DC converter, voltage negative feedback circuit, Current Negative Three-Point Capacitance comparator circuit, diode, to be input end V1 be connected the input end of described power frequency inverter with GND publicly in its wiring, feedback end is powered to described DC/DC converter, the positive output termination voltage negative feedback circuit of this DC/DC converter, to control described DC/DC converter, and through diode D by just to the negative V1 input end connecing power frequency inverter, the GND input end of this aging special module has been connected current sampling resistor RI, its sampling current controls described DC/DC converter.
Embodiment 2
As Fig. 1,2 one kinds of energy-conservation power supply changeover device ageing testers, 2 groups of power supply changeover device burn-in test array in parallel are on utility grid 1; Often organize power supply changeover device burn-in test array to be connected by N number of power supply changeover device burn-in test unit 4, then connect with electronic load 6 and form, wherein, η
1and η
2be respectively the efficiency of tested power supply changeover device 2, power source aging special module 3, η
1=93%, η
2=96%, then N≤1/0.11=9.1, i.e. N=9, have a 9 power supply changeover device burn-in test units in series.
Often organize power supply changeover device burn-in test unit and comprise tested power supply changeover device 2, power source aging special module 3 and relay 5, described tested power supply changeover device 2 just, negative output terminal connects input end and the GED input end of power source aging special module respectively, tested power supply changeover device 2 just, negative output terminal cross-over connection relay 5, a pair normally closed contact of described relay is connected across between the positive output end of tested power supply changeover device 2 and the positive output end of the tested power supply changeover device 2 of the next one, during normal work, this relay adhesive, normally closed contact disconnects, if this power supply changeover device breaks down lose output voltage, relay discharges, its normally closed contact closes, this trouble power converter positive output is shorted to the positive output end of next tested power supply changeover device, thus guarantee that whole ageing system runs in the same old way.
Often organizing in power supply changeover device burn-in test array:
The input end of the tested power supply changeover device of first power supply changeover device burn-in test unit is connected with utility grid is defeated, the input end of the tested power supply changeover device of remaining power supply changeover device burn-in test unit is connected with the power source aging special module output terminal of previous power supply changeover device burn-in test unit, last tested power supply changeover device positive output end difference feedback link is to first feedback input end to the power source aging special module of penultimate power supply changeover device burn-in test unit, last power source aging special module just, negative output terminal is connected with electronic load,
Power source aging special module comprises power frequency inverter, DC/DC converter, voltage negative feedback circuit, Current Negative Three-Point Capacitance comparator circuit, diode, to be input end V1 be connected the input end of described power frequency inverter with GND publicly in its wiring, feedback end is powered to described DC/DC converter, the positive output termination voltage negative feedback circuit of this DC/DC converter, to control described DC/DC converter, and through diode D by just to the negative V1 input end connecing power frequency inverter, the GND input end of this aging special module has been connected current sampling resistor RI, its sampling current controls described DC/DC converter.
Embodiment 3
This embodiment is identical with embodiment 2 technology contents, and different technical parameters is:
(1), in this power supply changeover device ageing tester, 5 groups of power supply changeover device burn-in test array in parallel are on utility grid 1.
(2) often organize power supply changeover device burn-in test array to be connected by N number of power supply changeover device burn-in test unit 4, wherein, η
1and η
2be respectively the efficiency of tested power supply changeover device 2, power source aging special module 3, η
1=91%, η
2=93%, then N≤1/0.16=6.3, i.e. N=6, have a 6 power supply changeover device burn-in test units in series.
Embodiment 4
This embodiment is identical with embodiment 2 technology contents, and different technical parameters is:
(1), in this power supply changeover device ageing tester, 12 groups of power supply changeover device burn-in test array in parallel are on utility grid 1.
(2) often organize power supply changeover device burn-in test array to be connected by N number of power supply changeover device burn-in test unit 4, wherein, η
1and η
2be respectively the efficiency of tested power supply changeover device 2, power source aging special module 3, η
1=90%, η
2=91%, then N≤1/0.19=5.26, i.e. N=5, have a 5 power supply changeover device burn-in test units in series.
Embodiment 5
This embodiment is identical with embodiment 2 basic fundamental content, and different technical parameters is:
(1), in this power supply changeover device ageing tester, 8 groups of power supply changeover device burn-in test array in parallel are on utility grid 1.
(2) often organize power supply changeover device burn-in test array to be connected by N number of power supply changeover device burn-in test unit 4, wherein, η
1and η
2be respectively the efficiency of tested power supply changeover device 2, power source aging special module 3, η
1=96%, η
2=95%, then N≤1/0.09=11.1, i.e. N=11, have a 11 power supply changeover device burn-in test units in series.
Claims (2)
1. an energy-conservation power supply changeover device ageing tester, is characterized in that: one group of power supply changeover device burn-in test array be connected on utility grid (1) or at least two group power supply changeover device burn-in test array in parallel on utility grid (1); Often organize power supply changeover device burn-in test array to be connected by N number of power supply changeover device burn-in test unit (4), then connect with electronic load (6) and form;
Often organize power supply changeover device burn-in test unit and comprise tested power supply changeover device (2), power source aging special module (3) and relay (5), the positive and negative output terminal of described tested power supply changeover device (2) connects input end and the GED input end of power source aging special module respectively, the positive and negative output terminal cross-over connection relay (5) of tested power supply changeover device (2), a pair normally closed contact of described relay is connected across between the positive output end of tested power supply changeover device (2) and the positive output end of the tested power supply changeover device of the next one (2);
Often organizing in power supply changeover device burn-in test array:
The input end of the tested power supply changeover device of first power supply changeover device burn-in test unit is connected with utility grid is defeated, the input end of the tested power supply changeover device of remaining power supply changeover device burn-in test unit is connected with the power source aging special module output terminal of previous power supply changeover device burn-in test unit, last tested power supply changeover device positive output end difference feedback link is to first feedback input end to the power source aging special module of penultimate power supply changeover device burn-in test unit, last power source aging special module just, negative output terminal is connected with electronic load,
Described power supply changeover device burn-in test array of often organizing is connected by N number of power supply changeover device burn-in test unit (4), and described N is positive integer, and meets formula: N≤1/ (2-η
1-η
2), wherein η
1and η
2be respectively the efficiency of tested power supply changeover device (2), power source aging special module (3).
2. a kind of energy-conservation power supply changeover device ageing tester according to claim 1, it is characterized in that: described power source aging special module comprises power frequency inverter, DC/DC converter, voltage negative feedback circuit, Current Negative Three-Point Capacitance comparator circuit, diode, to be input end V1 be connected the input end of described power frequency inverter with GND publicly in its wiring, feedback end is powered to described DC/DC converter, the positive output termination voltage negative feedback circuit of this DC/DC converter, to control described DC/DC converter, and through diode D by just to the negative V1 input end connecing power frequency inverter, the GND input end of this aging special module has been connected current sampling resistor RI, its sampling current controls described DC/DC converter.
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| CN201410613664.5A CN104345285B (en) | 2014-11-04 | 2014-11-04 | A kind of power supply changeover device ageing tester of energy-conservation |
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| CN201410613664.5A CN104345285B (en) | 2014-11-04 | 2014-11-04 | A kind of power supply changeover device ageing tester of energy-conservation |
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| CN104345285B CN104345285B (en) | 2017-10-10 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154184A (en) * | 2016-09-06 | 2016-11-23 | 东莞铭普光磁股份有限公司 | A kind of aging testing system of Switching Power Supply |
| CN106199295A (en) * | 2016-09-05 | 2016-12-07 | 东莞市旺达富自动化设备有限公司 | Ageing control system is filled in a kind of series connection soon |
| CN109283472A (en) * | 2018-09-18 | 2019-01-29 | 四川创宏电气有限公司 | A kind of power-supply device Intelligentized test system and test method |
| CN109917215A (en) * | 2019-04-15 | 2019-06-21 | 南通大地新能源汽车电控与连接技术研究院有限公司 | A kind of New-energy electric vehicle charging assembly ageing tester |
| CN111433615A (en) * | 2018-06-15 | 2020-07-17 | Oppo广东移动通信有限公司 | Adapter aging detection method and device for equipment to be charged |
| CN114050730A (en) * | 2021-10-29 | 2022-02-15 | 常州翊迈新材料科技有限公司 | Inverter power source aging method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106199295A (en) * | 2016-09-05 | 2016-12-07 | 东莞市旺达富自动化设备有限公司 | Ageing control system is filled in a kind of series connection soon |
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| CN111433615A (en) * | 2018-06-15 | 2020-07-17 | Oppo广东移动通信有限公司 | Adapter aging detection method and device for equipment to be charged |
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| CN114050730A (en) * | 2021-10-29 | 2022-02-15 | 常州翊迈新材料科技有限公司 | Inverter power source aging method |
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Effective date of registration: 20240327 Address after: 215500 No. 7, research institute road, Bixi street, Changshu, Suzhou, Jiangsu Patentee after: Suzhou Yuanli New Material Technology Co.,Ltd. Country or region after: China Address before: No. 9, research institute road, science and Technology Innovation Park, Changshu Economic and Technological Development Zone, Suzhou, Jiangsu 215522 Patentee before: CHANGSHU RESEARCH INSTITUTE OF DLUT Co.,Ltd. Country or region before: China |