CN102255336A - High-efficiency and energy-saving self-circulation electronic load - Google Patents

High-efficiency and energy-saving self-circulation electronic load Download PDF

Info

Publication number
CN102255336A
CN102255336A CN2011102104656A CN201110210465A CN102255336A CN 102255336 A CN102255336 A CN 102255336A CN 2011102104656 A CN2011102104656 A CN 2011102104656A CN 201110210465 A CN201110210465 A CN 201110210465A CN 102255336 A CN102255336 A CN 102255336A
Authority
CN
China
Prior art keywords
energy
oxide
metal
semiconductor
connects
Prior art date
Application number
CN2011102104656A
Other languages
Chinese (zh)
Inventor
刘学军
Original Assignee
刘学军
尹建维
无锡市迈杰电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201020610920.2 priority Critical
Priority to CN201020610920 priority
Application filed by 刘学军, 尹建维, 无锡市迈杰电子有限公司 filed Critical 刘学军
Priority to CN2011102104656A priority patent/CN102255336A/en
Publication of CN102255336A publication Critical patent/CN102255336A/en

Links

Abstract

The invention relates to a high-efficiency and energy-saving self-circulation electronic load, comprising a load setting module, an energy superposition device, an inverted power supply, a programmable controller and a starting and energy supplementing module, wherein an alternating-current mains supply is connected to the energy superposition device via the starting and energy supplementing module, the energy superposition device is connected with the input end of the inverted power supply, the output end of the inverted power supply is connected to the input end of an aged switch power supply, the output end of the aged switch power supply is connected to the energy superposition device through the load setting module, and the programmable controller is connected with the driving end of the inverted power supply. According to the invention, experiment energy can be fed back so that the problem of electric energy waste is solved, in addition, the electric load has the advantages of high efficiency, energy saving performance, self circulation capability and simplicity and convenience for operation, can be realized at low cost and can be used for saving energy by more than 50%.

Description

The load of energy-efficient self-loopa electronics

Technical field

The present invention relates to the electronic load field, relate 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, as 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 tested, adopted 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.

Summary of the invention

The objective of the invention is to overcome above-mentioned weak point, thereby the load of a kind of energy-efficient self-loopa electronics is provided,, realize the power cycles utilization, solve the problem of waste of energy the energy feedback of ageing test.

Technical scheme of the present invention is as follows:

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 described startup and energy supplement module, the energy superimposer connects the input of inverter, the output of described inverter is connected to by the input of aging Switching Power Supply, be connected to the energy superimposer by the output of aging Switching Power Supply through the load set module, described Programmable Logic Controller connects the drive end of inverter.

Its further technical scheme is: described 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: described energy superimposer is made up of transformation coil, current rectifying and wave filtering circuit, diode; The primary side of described transformation coil connects the load set module, the primary side of described 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 described diode connects startup and energy supplement module.

And its further technical scheme is: described 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 described 4 metal-oxide-semiconductors connects Programmable Logic Controller respectively.

And its further technical scheme is: described 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.

Useful technique effect of the present invention is:

Electronic load of the present invention is that the power delivery that enters electronic load is arrived the energy superimposer, is sending main AC power back to then, thus the energy feedback that realization will be tested, solve the problem of waste of energy, energy-efficient self-loopa, easy and simple to handle, the low-cost realization, minimum energy-conservation more than 50%.Adopt jumbo device for power switching, finish test large power supply; Owing to do not have powerful power consumption resistance, so the volume of load is less, can save installing space greatly.Need not to be connected to the grid, solve the problem that is incorporated into the power networks.Output can a plurality of online terminals of carrying out be controlled, 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; can replace traditional resistance inductance even load fully; eliminate conventional load instability, dangerous, defective such as 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 a structural representation of the present invention.

Embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present invention is described further.

As shown in Figure 1, the present invention includes 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 preferred implementation of the present invention, the invention is not restricted to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite that does not break away from spirit of the present invention and design, all should think to be included within protection scope of the present invention.

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 described startup and energy supplement module (5), energy superimposer (2) connects the input of inverter (3), the output of described 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), described Programmable Logic Controller (4) connects the drive end of inverter (3).
2. according to the load of the described energy-efficient self-loopa electronics of claim 1, it is characterized in that: described 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 described energy-efficient self-loopa electronics of claim 1, it is characterized in that: described energy superimposer (2) is made up of transformation coil, current rectifying and wave filtering circuit, diode; The primary side of described transformation coil connects load set module (1), the primary side of described 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 described diode connects startup and energy supplement module (5).
4. according to the load of the described energy-efficient self-loopa electronics of claim 1, it is characterized in that: described 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 described 4 metal-oxide-semiconductors connects Programmable Logic Controller respectively.
5. according to the load of the described energy-efficient self-loopa electronics of claim 1, it is characterized in that: described 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).
CN2011102104656A 2010-11-17 2011-07-26 High-efficiency and energy-saving self-circulation electronic load CN102255336A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201020610920.2 2010-11-17
CN201020610920 2010-11-17
CN2011102104656A CN102255336A (en) 2010-11-17 2011-07-26 High-efficiency and energy-saving self-circulation electronic load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011102104656A CN102255336A (en) 2010-11-17 2011-07-26 High-efficiency and energy-saving self-circulation electronic load

Publications (1)

Publication Number Publication Date
CN102255336A true CN102255336A (en) 2011-11-23

Family

ID=44982381

Family Applications (2)

Application Number Title Priority Date Filing Date
CN 201120266355 CN202167863U (en) 2010-11-17 2011-07-26 Efficient and energy-saving self-circulating electronic load
CN2011102104656A CN102255336A (en) 2010-11-17 2011-07-26 High-efficiency and energy-saving self-circulation electronic load

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN 201120266355 CN202167863U (en) 2010-11-17 2011-07-26 Efficient and energy-saving self-circulating electronic load

Country Status (1)

Country Link
CN (2) CN202167863U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
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
CN102820803A (en) * 2012-06-04 2012-12-12 苏州达方电子有限公司 Three-port single-phase single-pole micro current converter and operating 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
CN107741537A (en) * 2017-08-23 2018-02-27 广路智能科技有限公司 A kind of self-feeding type electronic load test system and its computational methods
CN108521790A (en) * 2017-08-11 2018-09-11 深圳欣锐科技股份有限公司 Switch power supply aging tests system and ageing testing method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202167863U (en) * 2010-11-17 2012-03-14 刘学军 Efficient and energy-saving self-circulating electronic load

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040062063A1 (en) * 2002-09-27 2004-04-01 Kasemsan Siri Dynamic DC source and load energy recycling power system
CN1783680A (en) * 2004-11-29 2006-06-07 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
CN101551447A (en) * 2009-04-28 2009-10-07 浙江大学 Power supply test system of output energy DC side feedback
CN101551446A (en) * 2009-05-11 2009-10-07 刘晓刚 Energy feedback power source aging system
CN202167863U (en) * 2010-11-17 2012-03-14 刘学军 Efficient and energy-saving self-circulating electronic load

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040062063A1 (en) * 2002-09-27 2004-04-01 Kasemsan Siri Dynamic DC source and load energy recycling power system
CN1783680A (en) * 2004-11-29 2006-06-07 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
CN101551447A (en) * 2009-04-28 2009-10-07 浙江大学 Power supply test system of output energy DC side feedback
CN101551446A (en) * 2009-05-11 2009-10-07 刘晓刚 Energy feedback power source aging system
CN202167863U (en) * 2010-11-17 2012-03-14 刘学军 Efficient and energy-saving self-circulating electronic load

Cited By (9)

* Cited by examiner, † Cited by third party
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
CN102820803A (en) * 2012-06-04 2012-12-12 苏州达方电子有限公司 Three-port single-phase single-pole micro current converter and operating method thereof
CN102820803B (en) * 2012-06-04 2014-12-10 苏州达方电子有限公司 Three-port single-phase single-pole micro current converter and operating 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
CN108521790A (en) * 2017-08-11 2018-09-11 深圳欣锐科技股份有限公司 Switch power supply aging tests system and ageing testing method
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
CN107741537A (en) * 2017-08-23 2018-02-27 广路智能科技有限公司 A kind of self-feeding type electronic load test system and its computational methods
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

Also Published As

Publication number Publication date
CN202167863U (en) 2012-03-14

Similar Documents

Publication Publication Date Title
CN203289702U (en) A backlight power supply circuit, a power supply apparatus, and a television set
CN201467002U (en) Power supply energy-saving circuit for household appliances and office equipment
CN204217167U (en) Single live wire touches lamp control switch
CN201616680U (en) Energy-feedback power grid energy-saving direct-current electronic load
CN101764524B (en) Intelligent electric saving manager with low power consumption and management method thereof
CN104135061B (en) The earth leakage protective DC power-supply system of a kind of band
CN201862897U (en) Multifunctional inverter type welding and cutting machine
CN203027153U (en) Universal smart power grid power electronic device
CN201130909Y (en) Removable shore power supply
CN100539294C (en) Digital capacity measuring and repairing instrument for lead acid accumulator
CN103123882B (en) Intelligent controller of bistable permanent-magnet vacuum circuit breaker
CN103023344A (en) Universal smart grid power electronic device
CN205039688U (en) 100A high frequency electric source
CN203562959U (en) Double-input switch power supply
CN103929855A (en) LED lighting device, LED driving circuit and switch power source driving chip of LED driving circuit
CN203433058U (en) Frequency converter common DC bus load test system
CN201994528U (en) Intelligent socket
CN103179731A (en) Light-emitting diode (LED) driving circuit and LED lamp
CN102843051A (en) Power adapter
CN201499093U (en) High-frequency switch power supply
CN105576814B (en) DC power supply standby system
CN202077009U (en) Isolating trigger circuit for thyristor
CN103227628A (en) IGBT (Insulated Gate Bipolar Transistor) drive module for electric automobile
CN102570580B (en) Zero-standby power consumption power supply circuit, power supply device and household appliance
CN103199710A (en) Low-power consumption standby switching power source

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20111123

C02 Deemed withdrawal of patent application after publication (patent law 2001)