CN201269923Y - Multi-channel wide voltage inputting electric energy feedback type electronic load - Google Patents
Multi-channel wide voltage inputting electric energy feedback type electronic load Download PDFInfo
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- CN201269923Y CN201269923Y CN 200820200863 CN200820200863U CN201269923Y CN 201269923 Y CN201269923 Y CN 201269923Y CN 200820200863 CN200820200863 CN 200820200863 CN 200820200863 U CN200820200863 U CN 200820200863U CN 201269923 Y CN201269923 Y CN 201269923Y
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Abstract
The utility model discloses a feedback type electronic load with multichannel and wide voltage input electrical energy, aiming at providing a wide voltage electrical energy feedback type electronic load which feedbacks the electrical energy to a power grid, avoids the waste of energy and the pollution of environment and has excellent effect. The utility model comprises wide voltage input DC/DC circuit (1), isolating and an inverting and synchronization circuit (2), and the wide voltage input DC/DC circuit (1) comprises one or more unit circuit which is a boost circuit or a buck circuit; the wide voltage input DC/DC circuit (1) can be multiple input and single output; and the unit input circuit comprises a capacitor C, an inductor L, a crystal diode D and a switching tube T. The feedback type electronic load can be widely used for the DC aging operation as the loads, thus saving energy, reducing consumption and improving the operation efficiency.
Description
Technical field
The utility model 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.
The utility model content
Technical problem to be solved in the utility model 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 scheme that the utility model adopted 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 beneficial effects of the utility model are: because the utility model 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, 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 the utility model circuit structure block scheme;
Fig. 2 is the utility model booster type input circuit synoptic diagram;
Fig. 3 is the utility model voltage-dropping type input circuit synoptic diagram.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, the utility model comprises 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820200863 CN201269923Y (en) | 2008-09-22 | 2008-09-22 | Multi-channel wide voltage inputting electric energy feedback type electronic load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820200863 CN201269923Y (en) | 2008-09-22 | 2008-09-22 | Multi-channel wide voltage inputting electric energy feedback type electronic load |
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| Publication Number | Publication Date |
|---|---|
| CN201269923Y true CN201269923Y (en) | 2009-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200820200863 Expired - Lifetime CN201269923Y (en) | 2008-09-22 | 2008-09-22 | Multi-channel wide voltage inputting electric energy feedback type electronic load |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902042A (en) * | 2010-06-11 | 2010-12-01 | 刘青峰 | Implementation scheme of load feedback system of DC current source |
| CN105467331A (en) * | 2015-11-18 | 2016-04-06 | 深圳市中科源电子有限公司 | Multichannel isolation electron load and power source aging test system |
| CN109215548A (en) * | 2018-11-08 | 2019-01-15 | 惠科股份有限公司 | The circuit and display panel of display panel aging process |
| CN109473053A (en) * | 2018-11-08 | 2019-03-15 | 惠科股份有限公司 | The circuit and display panel of display panel aging process |
| CN109752666A (en) * | 2017-11-01 | 2019-05-14 | 北京索英电气技术有限公司 | Common-anode electronic load topological structure and system and control method |
-
2008
- 2008-09-22 CN CN 200820200863 patent/CN201269923Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902042A (en) * | 2010-06-11 | 2010-12-01 | 刘青峰 | Implementation scheme of load feedback system of DC current source |
| CN105467331A (en) * | 2015-11-18 | 2016-04-06 | 深圳市中科源电子有限公司 | Multichannel isolation electron load and power source aging test system |
| CN105467331B (en) * | 2015-11-18 | 2018-09-04 | 深圳市中科源电子有限公司 | A kind of multichannel isolated form electronic load and Test System On Power Aging |
| CN109752666A (en) * | 2017-11-01 | 2019-05-14 | 北京索英电气技术有限公司 | Common-anode electronic load topological structure and system and control method |
| CN109752666B (en) * | 2017-11-01 | 2022-07-26 | 北京索英电气技术有限公司 | Common anode electronic load topological structure, system and control method |
| CN109215548A (en) * | 2018-11-08 | 2019-01-15 | 惠科股份有限公司 | The circuit and display panel of display panel aging process |
| CN109473053A (en) * | 2018-11-08 | 2019-03-15 | 惠科股份有限公司 | The circuit and display panel of display panel aging process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090708 Effective date of abandoning: 20080922 |