CN101533074A - Electric energy feedback type electronic load with multi-channel wide voltage input - Google Patents
Electric energy feedback type electronic load with multi-channel wide voltage input Download PDFInfo
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- CN101533074A CN101533074A CN 200810198675 CN200810198675A CN101533074A CN 101533074 A CN101533074 A CN 101533074A CN 200810198675 CN200810198675 CN 200810198675 CN 200810198675 A CN200810198675 A CN 200810198675A CN 101533074 A CN101533074 A CN 101533074A
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Abstract
The invention discloses an electric energy feedback type electronic load with multi-channel wide voltage input, and aims to provide a wide-voltage electric energy feedback type electronic load capable of feeding back electric energy to a power network, not wasting energy source and polluting the environment with excellent effect. The wide-voltage electric energy feedback type electronic load comprises a wide-voltage input DC/DC circuit (1) and an isolation inversion grid-connected circuit (2), wherein the wide-voltage input DC/DC circuit (1) comprises one or more unit circuits which can be voltage-raising type circuits or voltage-reducing type circuits; the wide-voltage input DC/DC circuit (1) can input with multiple channels and output with one channel; and the unit input circuits comprise a capacitor C, an inductor L, a crystal diode D and a switch T. The electric energy feedback type electronic load with multi-channel wide voltage input can be used as a load in ageing operations of a direct current power supply so as to save energy and reduce consumption to improve the operation efficiency.
Description
Technical field
The present invention relates to a kind of multi-channel wide voltage input electric energy feedback type electronic load.
Background technology
Electronics industry flourishing day by day today, various electronic products make rapid progress, electronic product function difference, purposes difference that these are numerous, but a common characteristic is arranged: be exactly to need one or more groups direct supply, so the manufacturing of various direct supplys and production are very popular industries now, with regard to by this field of computer industry, every computing machine all will have power supply, have in the world how many computing machines who talkative must be clear, and update, oldly go to newly arrive, layer goes out endless, produce how many power supplys and just can satisfy the demand.The power supply that this computing machine is used adopts Switching Power Supply usually, and the direct supply that other electrical equipment uses uses the kind of direct supply to also have rectifier power source, stabilized voltage supply etc. except Switching Power Supply, selects different because of purposes is different.Making and producing has one can not default operation to detect exactly and wear out in the link of these direct supplys, this procedure is exactly the direct supply finished product will be switched on, and insert the load of corresponding power at output terminal, thereby detect every performance index, and will be through the aging test of a few hours even a couple of days.Because load is the power consumption resistance that adopts at present mostly, so electric energy consumes waste in vain, can't stand this today at energy scarcity really, and this power resistor low precision, heating are big, be difficult to ensure the aging effect that detects, and contaminated environment, also have the hidden danger of fire.
In sum; The power consumption ohmic load that present direct supply of the prior art is aging to be used in detecting, exist waste energy, contaminated environment, effect defect of bad.
Summary of the invention
Technical matters to be solved by this invention is to overcome the deficiencies in the prior art, provide a kind of can be with the electric energy feedback grid, do not waste energy, free from environmental pollution, wide voltage power feedback type electronic load that effect is excellent.
The technical solution adopted in the present invention is: a kind of multi-channel wide voltage input electric energy feedback type electronic load, it comprises wide voltage input DC/DC circuit, isolate the inversion grid connection circuit, comprise one or more than one unit input circuit in the described wide voltage input DC/DC circuit, described one or more than one unit input circuit can be the booster type circuit, it also can be the voltage-dropping type circuit, the input end of described wide voltage input DC/DC circuit connects the output terminal of corresponding direct supply, the output terminal of described more than one unit input circuit also is unified into an output terminal, and described and to be unified into an output terminal anti-and connect a diode, described wide voltage input DC/DC circuit output end connects the input end of described isolation inversion grid connection circuit, connect the input end of described isolation inversion grid connection circuit after perhaps being in series by a plurality of described wide voltage input DC/DC circuit output ends, the output terminal of described isolation inversion grid connection circuit is connected with mains supply gauging table meter output loop.
Described unit input circuit comprises capacitor C, inductance L, crystal diode D, switch transistor T, circuit when described unit input circuit is booster type connects: the two ends of described capacitor C are circuit input end, one end of described capacitor C connects described inductance L, the other end of described capacitor C connects the drain electrode of described switch transistor T, the positive pole of the other end of described inductance L and described crystal diode D and the source electrode of described switch transistor T is connected and be circuit output end, the negative pole of described crystal diode D is the other end of circuit output, and the grid of described switch transistor T is connecting modulation and driving circuit; Circuit when described unit input circuit is voltage-dropping type connects: the two ends of described capacitor C are circuit input end, one end of described capacitor C connects the source electrode of switch transistor T, the other end of described capacitor C is connected with the positive pole of described crystal diode and is the output terminal of circuit, the drain electrode of described switching tube is connected with an end of the negative pole of described crystal diode and described inductance L, the other end of described inductance L is the other end of circuit output, and the grid of described switch transistor T is connecting modulation and driving circuit.
The invention has the beneficial effects as follows: owing to the present invention includes wide voltage input DC/DC circuit, isolate the inversion grid connection circuit, comprise one or more than one unit input circuit in the described wide voltage input DC/DC circuit, described one or more than one unit input circuit can be the booster type circuit, it also can be the voltage-dropping type circuit, the input end of described wide voltage input DC/DC circuit connects the output terminal of corresponding direct supply, the output terminal of described more than one unit input circuit also is unified into an output terminal, and described and to be unified into an output terminal anti-and connect a diode, described wide voltage input DC/DC circuit output end connects the input end of described isolation inversion grid connection circuit, connect the input end of described isolation inversion grid connection circuit after perhaps being in series by a plurality of described wide voltage input DC/DC circuit output ends, the output terminal of described isolation inversion grid connection circuit is connected with mains supply gauging table meter output loop, thus be a kind of can be with the electric energy feedback grid, do not waste energy, free from environmental pollution, the wide voltage power feedback type electronic load of effect excellence.
Description of drawings
Fig. 1 is a circuit structure block scheme of the present invention;
Fig. 2 is a booster type input circuit synoptic diagram of the present invention;
Fig. 3 is a voltage-dropping type input circuit synoptic diagram of the present invention.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, the present invention includes and comprise wide voltage input DC/DC circuit 1, isolate inversion grid connection circuit 2, comprise one or more than one unit input circuit in the described wide voltage input DC/DC circuit 1, described one or more than one unit input circuit can be the booster type circuit, it also can be the voltage-dropping type circuit, the input end of described wide voltage input DC/DC circuit 1 connects the output terminal of corresponding direct supply, the output terminal of described one or more than one unit input circuit also is unified into an output terminal, and described and to be unified into an output terminal anti-and connect a diode, the input end of the described isolation inversion grid connection of described wide voltage input DC/DC circuit 1 output termination circuit 2, connect the input end of described isolation inversion grid connection circuit 2 after perhaps being in series by a plurality of described wide voltage input DC/DC circuit 1 output terminals, the output terminal of described isolation inversion grid connection circuit 2 is connected with mains supply gauging table meter output loop.
Described unit input circuit comprises capacitor C, inductance L, crystal diode D, switch transistor T, circuit when described unit input circuit is booster type connects: the two ends of described capacitor C are circuit input end, one end of described capacitor C connects described inductance L, the other end of described capacitor C connects the drain electrode of described switch transistor T, the positive pole of the other end of described inductance L and described crystal diode D and the source electrode of described switch transistor T is connected and be circuit output end, the negative pole of described crystal diode D is the other end of circuit output, and the grid of described switch transistor T is connecting modulation and driving circuit; Circuit when described unit input circuit is voltage-dropping type connects: the two ends of described capacitor C are circuit input end, one end of described capacitor C connects the source electrode of switch transistor T, the other end of described capacitor C is connected with the positive pole of described crystal diode and is the output terminal of circuit, the drain electrode of described switching tube is connected with an end of the negative pole of described crystal diode and described inductance L, the other end of described inductance L is the other end of circuit output, and the grid of described switch transistor T is connecting modulation and driving circuit.
Present embodiment is the single-phase/three-phase electric energy feedback type electronic load that a kind of direct supply of hyperchannel input is altogether formed, comprise DC voltage modular converter and parallel network reverse device that several hyperchannel inputs (electric pressure between the input channel can be different), single channel output are not isolated, the direct supply of this hyperchannel input does not become single channel output after not isolating the modular converter conversion by DC/DC, anti-and the bypass diode of its output, series connection mutually then, its series direct current output terminal connects the direct-flow input end of described feedback inversion transformation device.Described hyperchannel input single channel output modular converter mainly is made of PWM pulse-width modulation circuit, inductance, MOSFET and high-frequency rectification circuit, described parallel network reverse device mainly is made of interconnective DC filter, booster converter, inverter, transformer, rectifier, frequency converter and alternating current filter, and wherein inverter, frequency converter are made of full-bridge inverting.
Present embodiment is formed multiple input path single-phase/three-phase electric energy feedback type electronic load by hyperchannel input single channel output and without DC voltage modular converter and parallel network reverse device two parts of transformer isolation, can realize multiple different model, output voltage range 3-300 volt is single organize/organizes the DC power supply device of voltage to the electrical network feedback energy more, and wherein Shu Ru certain direct supply no-output does not influence the output power of other direct supply yet, can realize at low cost single group/organize the burn-in test of the direct supply of voltage output more, reduce the burn-in test energy consumption of power supply.Can be widely used in the direct supply burn-in operation as load, thus energy-saving and cost-reducing and improve operating efficiency.
Claims (2)
1, a kind of multi-channel wide voltage input electric energy feedback type electronic load, it comprises wide voltage input DC/DC circuit (1), isolate inversion grid connection circuit (2), it is characterized in that: comprise one or more than one unit input circuit in the described wide voltage input DC/DC circuit (1), described one or more than one unit input circuit can be the booster type circuit, it also can be the voltage-dropping type circuit, the input end of described wide voltage input DC/DC circuit (1) connects the output terminal of corresponding direct supply, the output terminal of described one or more than one unit input circuit also is unified into an output terminal, and described and to be unified into an output terminal anti-and connect a diode, the input end of described wide voltage input DC/DC circuit (1) output termination described isolation inversion grid connection circuit (2), connect the input end of described isolation inversion grid connection circuit (2) after perhaps being in series by a plurality of described wide voltage input DC/DC circuit (1) output terminals, the output terminal of described isolation inversion grid connection circuit (2) is connected with mains supply gauging table meter output loop.
2, a kind of multi-channel wide voltage input electric energy feedback type electronic load according to claim 1, it is characterized in that: described unit input circuit comprises capacitor C, inductance L, crystal diode D, switch transistor T, circuit when described unit input circuit is booster type connects: the two ends of described capacitor C are circuit input end, one end of described capacitor C connects described inductance L, the other end of described capacitor C connects the drain electrode of described switch transistor T, the positive pole of the other end of described inductance L and described crystal diode D and the source electrode of described switch transistor T is connected and be circuit output end, the negative pole of described crystal diode D is the other end of circuit output, and the grid of described switch transistor T is connecting modulation and driving circuit; Circuit when described unit input circuit is voltage-dropping type connects: the two ends of described capacitor C are circuit input end, one end of described capacitor C connects the source electrode of switch transistor T, the other end of described capacitor C is connected with the positive pole of described crystal diode and is the output terminal of circuit, the drain electrode of described switching tube is connected with an end of the negative pole of described crystal diode and described inductance L, the other end of described inductance L is the other end of circuit output, and the grid of described switch transistor T is connecting modulation and driving circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810198675 CN101533074B (en) | 2008-09-22 | 2008-09-22 | Electric energy feedback type electronic load with multi-channel wide voltage input |
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| CN 200810198675 CN101533074B (en) | 2008-09-22 | 2008-09-22 | Electric energy feedback type electronic load with multi-channel wide voltage input |
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| CN101533074B CN101533074B (en) | 2011-07-20 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447411A (en) * | 2010-10-11 | 2012-05-09 | 深圳市金威源科技股份有限公司 | Universal type power supply aging system |
| CN104638632A (en) * | 2015-02-27 | 2015-05-20 | 九江市迈杰电子有限公司 | Intelligent direct current energy source collecting and converting device |
| CN108199604A (en) * | 2018-01-09 | 2018-06-22 | 青岛大学 | Series connection is simultaneously for being electrically isolated flyback cycle changing type single-stage multi input inverter |
| CN110673054A (en) * | 2019-09-30 | 2020-01-10 | 上海新时达电气股份有限公司 | DC/DC power supply test system and aging test method of DC/DC power supply |
| CN111124028A (en) * | 2019-11-15 | 2020-05-08 | 苏州浪潮智能科技有限公司 | Multi-path combined power supply method and device and storage medium |
| CN112526384A (en) * | 2021-02-09 | 2021-03-19 | 武汉精能电子技术有限公司 | Electronic load circuit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1929287A (en) * | 2005-09-07 | 2007-03-14 | 上海神源电气有限公司 | Device capable of returning electrical energy to electrified wire netting |
| CN200983561Y (en) * | 2006-11-06 | 2007-11-28 | 张国良 | Voltage self-control power feedback part |
| CN100507590C (en) * | 2007-05-15 | 2009-07-01 | 北京索英电气技术有限公司 | Multiple input path modular high frequency isolation single phase power feedback type electronic load |
| CN201069923Y (en) * | 2007-06-29 | 2008-06-11 | 国家粮食储备局郑州科学研究设计院 | Fleet round storehouse |
-
2008
- 2008-09-22 CN CN 200810198675 patent/CN101533074B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447411A (en) * | 2010-10-11 | 2012-05-09 | 深圳市金威源科技股份有限公司 | Universal type power supply aging system |
| CN102447411B (en) * | 2010-10-11 | 2014-08-27 | 深圳市金威源科技股份有限公司 | Universal type power supply aging system |
| CN104638632A (en) * | 2015-02-27 | 2015-05-20 | 九江市迈杰电子有限公司 | Intelligent direct current energy source collecting and converting device |
| CN108199604A (en) * | 2018-01-09 | 2018-06-22 | 青岛大学 | Series connection is simultaneously for being electrically isolated flyback cycle changing type single-stage multi input inverter |
| CN110673054A (en) * | 2019-09-30 | 2020-01-10 | 上海新时达电气股份有限公司 | DC/DC power supply test system and aging test method of DC/DC power supply |
| CN111124028A (en) * | 2019-11-15 | 2020-05-08 | 苏州浪潮智能科技有限公司 | Multi-path combined power supply method and device and storage medium |
| CN112526384A (en) * | 2021-02-09 | 2021-03-19 | 武汉精能电子技术有限公司 | Electronic load circuit |
| CN112526384B (en) * | 2021-02-09 | 2021-05-18 | 武汉精能电子技术有限公司 | Electronic load circuit |
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| CN101533074B (en) | 2011-07-20 |
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Address after: 519000 building, No. 7, No. 20, Jinfeng West Road, Tang Jia Wan Town, Zhuhai hi tech Zone, Guangdong, 1 Patentee after: Zhuhai Kai Neng Technology Co., Ltd. Address before: 519000 Guangdong city of Zhuhai Province Tang Jia Wan Industrial Zone second fourth six storey Zhuhai saibite Electrical Equipment Co. Ltd. Patentee before: Zhuhai Saibite Electric Equipment Co., Ltd. |