CN202167863U - Efficient and energy-saving self-circulating electronic load - Google Patents
Efficient and energy-saving self-circulating electronic load Download PDFInfo
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- CN202167863U CN202167863U CN 201120266355 CN201120266355U CN202167863U CN 202167863 U CN202167863 U CN 202167863U CN 201120266355 CN201120266355 CN 201120266355 CN 201120266355 U CN201120266355 U CN 201120266355U CN 202167863 U CN202167863 U CN 202167863U
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Abstract
The utility model relates to an efficient and energy-saving self-circulating electronic load, which comprises a load setting module, an energy superimposer, an inverter power supply, a programmable logic controller, and a start-up and energy supplementation module. AC commercial power is connected to the energy superimposer through the start-up and energy supplementation module; the energy superimposer is connected to the input end of the inverter power supply; the output end of the inverter power supply is connected to the input end of an aged switching power supply; the output end of the aged switching power supply is connected to the energy superimposer through the load setting module; and the programmable logic controller is connected to the drive end of the inverter power supply. The utility model can realize test energy feedback, solves the problem of electrical energy waste, realizes efficient and energy-saving self-circulation and simplicity and convenience in operation, has a low cost for realization, and at least saves energy by more than 50%.
Description
Technical field
The utility model relates to the electronic load field, relates in particular to a kind of the be applied to detection of power-supply system in the electronic product and aging energy-efficient self-loopa electronics load.
Background technology
Power supply is the power set of various power consumption equipments; Advantages such as Switching Power Supply is energy-efficient with it, volume is little, in light weight are at industrial circle; Especially obtained to use widely at the LED lighting field, become the important basic product of industrial circle, the powerful market demand has been arranged.
In order to guarantee that power consumption equipment under various conditions can operate as normal; Reliability and useful life to Switching Power Supply just have higher requirement; This just requires before dispatching from the factory, switch power supply system to be carried out more strict test; Like reliability test (2 ~ 8 hours aging discharge test of 100% full load), output characteristic test etc., to prevent incipient failure.
At present, domestic power supply enterprise, scientific research institutions all are to adopt resistance box or waterr rheostat test platform as load to the testing experiment of power supply.There are many shortcomings in this traditional test method: load is adopted has level to regulate, resistor power is little, the electric energy of test all consumes on resistance, load equipment is bulky, takies very big space.Along with development of semiconductor, the developing rapidly of electric electronic current change technology, especially various Current Control Technology constantly occur and use, occurred can emulation tradition actual impedance load electronic load.With electronic load power supply is made an experiment, adopt effective Current Control Technology, at inner control discharging current on a large scale, load that just can the various resistance values of emulation makes an electronic load just can satisfy the test occasion of any resistance value.But at present electronic load is almost pure expendable load, causes 100% electric energy to waste, and causes waste of energy, and cost is higher.
The utility model content
The purpose of the utility model is to overcome above-mentioned weak point, thereby the load of a kind of energy-efficient self-loopa electronics is provided, and with the energy feedback of ageing test, realizes the power cycles utilization, solves the problem of waste of energy.
The technical scheme of the utility model is following:
The load of a kind of energy-efficient self-loopa electronics; Comprise load set module, energy superimposer, inverter, Programmable Logic Controller and startup and energy supplement module; Electric main is connected to the energy superimposer through said startup and energy supplement module; The energy superimposer connects the input of inverter; The output of said inverter is connected to by the input of aging Switching Power Supply, and the output of the Switching Power Supply that is worn out is connected to the energy superimposer through the load set module, and said Programmable Logic Controller connects the drive end of inverter.
Its further technical scheme is: said load set module is made up of current rectifying and wave filtering circuit, first resistance, second resistance, the 3rd resistance, metal-oxide-semiconductor, CPU/DSP control module; By the input of the output of aging Switching Power Supply connection current rectifying and wave filtering circuit, the output of current rectifying and wave filtering circuit connects an end of the primary side of transformation coil in the energy superimposer; After first resistance and the series connection of second resistance, the output of a termination current rectifying and wave filtering circuit, other end ground connection, the mid point of first resistance and second resistance is connected the voltage sampling end of CPU/DSP control module; The other end of the primary side of the transformation coil of energy superimposer connects the drain electrode of metal-oxide-semiconductor; The grid of metal-oxide-semiconductor connects the pwm signal end of CPU/DSP control module; The source electrode of metal-oxide-semiconductor connects the voltage sampling end of CPU/DSP control module, ground connection behind the 3rd resistance of connecting simultaneously.
And its further technical scheme is: said energy superimposer is made up of transformation coil, current rectifying and wave filtering circuit, diode; The primary side of said transformation coil connects the load set module; The primary side of said transformation coil connects the input of current rectifying and wave filtering circuit; The output of current rectifying and wave filtering circuit connects the input of inverter; The output of current rectifying and wave filtering circuit connects the negative pole of diode simultaneously, and the positive pole of said diode connects startup and energy supplement module.
And its further technical scheme is: said inverter is made up of first metal-oxide-semiconductor, second metal-oxide-semiconductor, the 3rd metal-oxide-semiconductor, the 4th metal-oxide-semiconductor; Drain electrode is connected as input the source electrode of first metal-oxide-semiconductor with second metal-oxide-semiconductor; Drain electrode is connected as another input the source electrode of the 3rd metal-oxide-semiconductor with the 4th metal-oxide-semiconductor; The drain electrode of first metal-oxide-semiconductor is connected the back as output with the drain electrode of the 3rd metal-oxide-semiconductor; The drain electrode of second metal-oxide-semiconductor is connected the back as another output with the source electrode of the 4th metal-oxide-semiconductor, the grid of said 4 metal-oxide-semiconductors connects Programmable Logic Controller respectively.
And its further technical scheme is: said startup and energy supplement module are made up of current rectifying and wave filtering circuit and pfc controller; The input of current rectifying and wave filtering circuit connects electric main, and the output of current rectifying and wave filtering circuit connects the input of pfc controller, ground connection of the output of pfc controller, and another is connected with the positive pole of diode in the energy superimposer.
The useful technique effect of the utility model is:
The utility model electronic load is to arrive the energy superimposer to the power delivery that gets into electronic load, is sending main AC power back to then, thereby realizes the energy feedback with test; Solve the problem of waste of energy, energy-efficient self-loopa, easy and simple to handle; Implemented with low cost, minimum energy-conservation more than 50%.Adopt jumbo device for power switching, accomplish test large power supply; Owing to do not have powerful power consumption resistance, so the volume of load is less, can practice thrift installing space greatly.Need not to be connected to the grid, solve the problem that is incorporated into the power networks.Output can be controlled at a plurality of online terminals of carrying out, and realizes synchronous output voltage.Power factor (PF) can be adjusted arbitrarily; Have multiple mode of operation such as constant current, permanent power and functions such as overvoltage, overcurrent multiple protective; The complete traditional resistance inductance of instead even load; Eliminate defectives such as conventional load is unstable, dangerous, energy consumption is big, but in the production and process of the test of extensive use electric product (as: switch, low-voltage electrical apparatus), power product (transformer, generator etc.).
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Further specify below in conjunction with the embodiment of accompanying drawing the utility model.
As shown in Figure 1, the utility model comprises load set module 1, energy superimposer 2, inverter 3, Programmable Logic Controller 4 and startup and energy supplement module 5.85 ~ 277VAC electric main is connected to energy superimposer 2 through startup and energy supplement module 5; Energy superimposer 2 connects the input of inverter 3; The output generation 85 ~ 262V of inverter 3 sets the output of AC sine voltage arbitrarily and is connected to by the input of aging Switching Power Supply 6; Be connected to energy superimposer 2 by the output of aging Switching Power Supply 6 generation AC/DC output through load set module (1) and form the circulation feedback; Programmable Logic Controller 4 connects the drive end of inverter 3, as a plurality of online control signal I/O.
See Fig. 1, wherein load set module 1 is made up of current rectifying and wave filtering circuit, first resistance R 1, second resistance R 2, the 3rd resistance R S, metal-oxide-semiconductor, CPU/DSP control module.By the input of the output of aging Switching Power Supply 6 connection current rectifying and wave filtering circuit, the output of current rectifying and wave filtering circuit connects an end of the primary side of transformation coil T in the energy superimposer 2.After first resistance R 1 and 2 series connection of second resistance R, the output of first resistance R, 1 one termination current rectifying and wave filtering circuits, second resistance R, 2 one end ground connection, the mid point of first resistance R 1 and second resistance R 2 is connected the voltage sampling end of CPU/DSP control module.The other end of the primary side of the transformation coil T of energy superimposer 2 connects the drain electrode of metal-oxide-semiconductor; The grid of metal-oxide-semiconductor connects the pwm signal end of CPU/DSP control module; The source electrode of metal-oxide-semiconductor connects the voltage sampling end of CPU/DSP control module, ground connection behind the 3rd resistance R S that connects simultaneously.
See Fig. 1, wherein energy superimposer 2 is made up of transformation coil T, current rectifying and wave filtering circuit, diode D.The primary side of transformation coil T connects load set module 1; The primary side of transformation coil connects the input of current rectifying and wave filtering circuit; The output of current rectifying and wave filtering circuit connects the input of inverter 3; The output of current rectifying and wave filtering circuit connects the negative pole of diode D simultaneously, and the positive pole of diode D connects startup and energy supplement module 5.
See Fig. 1, wherein inverter 3 is made up of the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, the 3rd metal-oxide-semiconductor Q3, the 4th metal-oxide-semiconductor Q4.Drain electrode is connected as input the source electrode of the first metal-oxide-semiconductor Q1 with the second metal-oxide-semiconductor Q2; Drain electrode is connected as another input the source electrode of the 3rd metal-oxide-semiconductor Q3 with the 4th metal-oxide-semiconductor Q4; The drain electrode of the first metal-oxide-semiconductor Q1 is connected the back as output with the drain electrode of the 3rd metal-oxide-semiconductor Q3; The drain electrode of the second metal-oxide-semiconductor Q2 is connected the back as another output with the source electrode of the 4th metal-oxide-semiconductor Q4, the grid of 4 metal-oxide-semiconductors connects Programmable Logic Controller respectively.
See Fig. 1, wherein start and energy supplement module 5 is made up of current rectifying and wave filtering circuit and pfc controller (PFC>0.99).The input of current rectifying and wave filtering circuit connects 85 ~ 277VAC electric main, and the output of current rectifying and wave filtering circuit connects the input of pfc controller, ground connection of the output of pfc controller, and another is connected with the positive pole of diode D in the energy superimposer 2.
Above-described components and parts all adopt the commercial goods.
Above-described only is the preferred implementation of the utility model, and the utility model is not limited to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite of spirit that does not break away from the utility model and design, all should think to be included within the protection range of the utility model.
Claims (5)
1. energy-efficient self-loopa electronics load; It is characterized in that: comprise load set module (1), energy superimposer (2), inverter (3), Programmable Logic Controller (4) and startup and energy supplement module (5); Electric main is connected to energy superimposer (2) through said startup and energy supplement module (5); Energy superimposer (2) connects the input of inverter (3); The output of said inverter (3) is connected to by the input of aging Switching Power Supply (6); Be connected to energy superimposer (2) by the output of aging Switching Power Supply (6) through load set module (1), said Programmable Logic Controller (4) connects the drive end of inverter (3).
2. according to the load of the said energy-efficient self-loopa electronics of claim 1, it is characterized in that: said load set module (1) is made up of current rectifying and wave filtering circuit, first resistance, second resistance, the 3rd resistance, metal-oxide-semiconductor, CPU/DSP control module; By the input of the output of aging Switching Power Supply (6) connection current rectifying and wave filtering circuit, the output of current rectifying and wave filtering circuit connects an end of the primary side of transformation coil in the energy superimposer (2); After first resistance and the series connection of second resistance, the output of a termination current rectifying and wave filtering circuit, other end ground connection, the mid point of first resistance and second resistance is connected the voltage sampling end of CPU/DSP control module; The other end of the primary side of the transformation coil of energy superimposer (2) connects the drain electrode of metal-oxide-semiconductor; The grid of metal-oxide-semiconductor connects the pwm signal end of CPU/DSP control module; The source electrode of metal-oxide-semiconductor connects the voltage sampling end of CPU/DSP control module, ground connection behind the 3rd resistance of connecting simultaneously.
3. according to the load of the said energy-efficient self-loopa electronics of claim 1, it is characterized in that: said energy superimposer (2) is made up of transformation coil, current rectifying and wave filtering circuit, diode; The primary side of said transformation coil connects load set module (1); The primary side of said transformation coil connects the input of current rectifying and wave filtering circuit; The output of current rectifying and wave filtering circuit connects the input of inverter (3); The output of current rectifying and wave filtering circuit connects the negative pole of diode simultaneously, and the positive pole of said diode connects startup and energy supplement module (5).
4. according to the load of the said energy-efficient self-loopa electronics of claim 1, it is characterized in that: said inverter (3) is made up of first metal-oxide-semiconductor, second metal-oxide-semiconductor, the 3rd metal-oxide-semiconductor, the 4th metal-oxide-semiconductor; Drain electrode is connected as input the source electrode of first metal-oxide-semiconductor with second metal-oxide-semiconductor; Drain electrode is connected as another input the source electrode of the 3rd metal-oxide-semiconductor with the 4th metal-oxide-semiconductor; The drain electrode of first metal-oxide-semiconductor is connected the back as output with the drain electrode of the 3rd metal-oxide-semiconductor; The drain electrode of second metal-oxide-semiconductor is connected the back as another output with the source electrode of the 4th metal-oxide-semiconductor, the grid of said 4 metal-oxide-semiconductors connects Programmable Logic Controller respectively.
5. according to the load of the said energy-efficient self-loopa electronics of claim 1, it is characterized in that: said startup and energy supplement module (5) are made up of current rectifying and wave filtering circuit and pfc controller; The input of current rectifying and wave filtering circuit connects electric main, and the output of current rectifying and wave filtering circuit connects the input of pfc controller, ground connection of the output of pfc controller, and another is connected with the positive pole of diode in the energy superimposer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120266355 CN202167863U (en) | 2010-11-17 | 2011-07-26 | Efficient and energy-saving self-circulating electronic load |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020610920 | 2010-11-17 | ||
| CN201020610920.2 | 2010-11-17 | ||
| CN 201120266355 CN202167863U (en) | 2010-11-17 | 2011-07-26 | Efficient and energy-saving self-circulating electronic load |
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| CN202167863U true CN202167863U (en) | 2012-03-14 |
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| CN2011102104656A Pending CN102255336A (en) | 2010-11-17 | 2011-07-26 | High-efficiency and energy-saving self-circulation electronic load |
| CN 201120266355 Expired - Fee Related CN202167863U (en) | 2010-11-17 | 2011-07-26 | Efficient and energy-saving self-circulating electronic load |
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| CN2011102104656A Pending CN102255336A (en) | 2010-11-17 | 2011-07-26 | High-efficiency and energy-saving self-circulation electronic load |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255336A (en) * | 2010-11-17 | 2011-11-23 | 刘学军 | High-efficiency and energy-saving self-circulation electronic load |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570501A (en) * | 2011-12-28 | 2012-07-11 | 台达电子企业管理（上海）有限公司 | Product quality aging testing system |
| TWI454031B (en) * | 2012-06-04 | 2014-09-21 | Darfon Electronics Corp | Three-port single-phase single-stage micro-inverter and operation method thereof |
| CN103296926A (en) * | 2012-12-27 | 2013-09-11 | 天津森宇科技发展有限公司 | Energy-saving device powered through light source feedback |
| CN103296909A (en) * | 2012-12-27 | 2013-09-11 | 天津森宇科技发展有限公司 | Energy-saving device for power output feedback power supply |
| WO2019028817A1 (en) * | 2017-08-11 | 2019-02-14 | 深圳欣锐科技股份有限公司 | Switching power supply aging test system and aging test method |
| CN107741537B (en) * | 2017-08-23 | 2020-04-14 | 广路智能科技有限公司 | Calculation method of self-feeding electronic load test system |
| CN108957357A (en) * | 2018-06-14 | 2018-12-07 | 杭州微兔科技有限公司 | Dig mine formula power source aging room |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6775160B2 (en) * | 2002-09-27 | 2004-08-10 | The Aerospace Corporation | Dynamic DC source and load energy recycling power system |
| CN100397765C (en) * | 2004-11-29 | 2008-06-25 | 崇贸科技股份有限公司 | Switching type controller |
| CN201072438Y (en) * | 2007-05-15 | 2008-06-11 | 北京索英电气技术有限公司 | Multi-input channel modularized high-frequency isolation single phase electric energy feedback type electronic load |
| CN101551447B (en) * | 2009-04-28 | 2011-01-05 | 浙江大学 | Power supply test system of output energy DC side feedback |
| CN101551446B (en) * | 2009-05-11 | 2011-01-26 | 深圳速特精工科技股份有限公司 | Energy feedback power source aging system |
| CN102255336A (en) * | 2010-11-17 | 2011-11-23 | 刘学军 | High-efficiency and energy-saving self-circulation electronic load |
-
2011
- 2011-07-26 CN CN2011102104656A patent/CN102255336A/en active Pending
- 2011-07-26 CN CN 201120266355 patent/CN202167863U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255336A (en) * | 2010-11-17 | 2011-11-23 | 刘学军 | High-efficiency and energy-saving self-circulation electronic load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20140726 |
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| EXPY | Termination of patent right or utility model |