CN101290335B - Direct-current input power supplying converter energy-saving aging device - Google Patents
Direct-current input power supplying converter energy-saving aging device Download PDFInfo
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- CN101290335B CN101290335B CN 200810016814 CN200810016814A CN101290335B CN 101290335 B CN101290335 B CN 101290335B CN 200810016814 CN200810016814 CN 200810016814 CN 200810016814 A CN200810016814 A CN 200810016814A CN 101290335 B CN101290335 B CN 101290335B
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Abstract
The invention discloses an energy-saving aging device of a DC input power supply convertor, comprising a machine cabinet which is provided with a commercial power input module inside, wherein, an output end of the commercial power input module is connected with at least one rectifier, the DC outputted by an output end of the rectifier is connected with one or a plurality of paths of aging units through a DC bus; each aging unit comprises at least one aging power supply convertor, the output end of the rectifier is connected with a DC input end of the aging power supply convertor; an input end of an electric load is connected with the output end of the corresponding aging power supply convertor, and the output end of each electric load feeds back the DC to the DC output end of the rectifier. The device has a simple and flexible structure and low cost and does not need a grid-connected inverter.
Description
Technical field
The present invention relates to a kind of aging equipment in electric electronic current change technology field, relate to a kind of direct-current input power supplying converter energy-saving aging device specifically.
Background technology
The aging of supply unit is the check product quality, rejects the effective means of the early stage timeliness of product.At present, most supply convertor manufacturing enterprises adopt the aging mode of energy-dissipating type.Promptly, dispose suitable resistive load (as cement resistor), under the electric index condition of certain environment temperature and requirement, carry out the product aging experiment according to the output characteristics of supply convertor.This mode has characteristics such as simple and reliable.But the aging mode of energy-dissipating type has very big drawback: the aging a large amount of electric energy of consumption that needs itself needs the huge electricity charge of payment; The aging a large amount of caloric requirements that produce dissipate, and this has just increased the heat radiation cost, have increased noise and additional energy consumption; The distribution of enterprise and the capacity of substation transformer need increase simultaneously, have increased distribution cost greatly.
The market competition of electronic product is fierce further at present, and the cost that how to reduce product is the primary major issue of manufacturing enterprise.So people have proposed the aging and energy-conservation thinking of a lot of supply convertors, it is comparatively ripe wherein to export after the energy recovery mode of feedback grid, and has this series products to emerge.But this series products has following problem values to discuss.
1. product needed high-performance parallel network reverse power supply, and this power supply should have output to isolate.This needs the higher security and the requirement of reliability, needs higher cost simultaneously.
2. distribution and the distribution capacity in order to reduce the burn-in chamber zone, the access point of parallel network reverse power supply energy feedback grid should be with near as much as possible by the input of aging supply convertor.So a whole set of aging equipment will combine as much as possible, for example with an aging cabinet or aging car as a complete aging grid-connected system.In order to tackle by the mobility of aging supply convertor, the monomer weight and the capacity of aging cabinet, aging car should not be too big simultaneously.For wearing out of large batch of supply convertor, this scheme needs the aging grid-connected systems of a lot of covers, has just increased the cost that is incorporated into the power networks of system greatly.
Summary of the invention
Purpose of the present invention is exactly in order to address the above problem, a kind of direct-current input power supplying converter energy-saving aging device is proposed, it have energy-conservation, simple in structure, expansion flexibly, advantage such as cost is low and application is wide, solve the aging highly energy-consuming of conventional power source transducer, an expensive difficult problem, can be widely used in the in enormous quantities aging of DC/DC power supply, DC/AC inverter; Also can be applicable to the charge-discharge machine of lead-acid accumulator etc. simultaneously.
For achieving the above object, the present invention adopts following technical scheme:
A kind of direct-current input power supplying converter energy-saving aging device, it comprises rack, be provided with the civil power load module in the described rack, the output terminal of civil power load module is connected with at least one rectifier, and the direct current of rectifier output end output is connected through the aging unit of dc bus and one or more; Each aging unit comprises at least one by aging supply convertor, and rectifier output end connects by the direct-flow input end of aging supply convertor; The input termination of electronic load is corresponding to the output terminal of aging supply convertor, and the output terminal of each electronic load feedback direct current is to the dc output end of rectifier.
Described civil power load module is single-phase alternating current or three-phase alternating current.
Described rectifier is single-phase rectifier or three phase rectifier.
Described is DC/AC inverter or DC/DC direct supply by aging supply convertor.
Described electronic load is AC/DC transducer or DC/DC transducer.
Direct-current input power supplying converter energy-saving aging device of the present invention, it is made up of the civil power input that connects successively, rectifier, worn out supply convertor and electronic load.Civil power is input as single-phase alternating current or three-phase alternating current; The output termination of rectifier is by the direct-flow input end of aging supply convertor, and the output voltage of rectifier is fit to by the requirement of aging supply convertor; The input termination of electronic load is by the output terminal of aging supply convertor, and the input characteristics of electronic load is fit to by the aging requirement of aging supply convertor.
There is DC link in aging equipment of the present invention, i.e. dc bus link between the input of the output of rectifier and the supply convertor inverter that worn out.DC link is the remittance point of civil power energy supply and electronic load feedback energy, also by aging supply convertor incoming junction.Civil power carries out the dc energy supply by rectifier to aging equipment.Electronic load output energy is incorporated DC link in the direct current mode, has overcome to exchange and the complicated shortcoming of net mode control, has improved the reliability of system.The energy of device flows to: three-phase or single-phase alternating current become by the direct current of aging supply convertor requirement through rectifier; Direct current or alternating current by aging supply convertor output are converted to required direct current through electronic load; The direct current of electronic load output is incorporated DC link into.This sampling device has just been realized being exported the recycling of energy by aging supply convertor, reaches energy saving purposes.The power capacity of civil power input, rectifier only is whole aging equipment system loss desired power capacity.When the supply convertor single-machine capacity that worn out is big, can adopt many smaller power electronic loads in parallel aging.Based on this system architecture, the monitoring function of spare system is realized by the system state collection of aging supply convertor and ageing state control easily.
The invention has the beneficial effects as follows: the framework of device can be applicable to the in enormous quantities aging of direct-current input power supplying converter, and this device has and the same energy-saving effect of energy feedback grid mode; Aging equipment is simple in structure, flexible, does not need complicated parallel network reverse power supply; This device has lower cost simultaneously.
Description of drawings
The energy-saving aging device block diagram of Fig. 1 direct-current input power supplying converter;
5 3KVA ups power energy-saving aging device block diagrams of Fig. 2 embodiment 1.
Wherein, 1. rack, 2. civil power load module, 3. rectifier is 4. by aging supply convertor, 5. electronic load.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing and embodiment.
Among Fig. 1, alternating current input power supplying converter energy-saving aging device comprises rack 1, be provided with civil power load module 2 in the described rack 1, the output terminal of civil power load module 2 is connected with at least one rectifier 3, and the direct current of rectifier 3 output terminals output is connected through the aging unit of dc bus and one or more; Each aging unit comprises at least one by aging supply convertor 4, and rectifier 3 output terminations are by the direct-flow input end of aging supply convertor 4; The input termination of electronic load 5 is corresponding to the output terminal of aging supply convertor 4, and the output terminal of each electronic load 5 feedback direct current is to the dc output end of rectifier 3.
Civil power load module 2 is single-phase alternating current or three-phase alternating current.
By aging supply convertor is DC/AC inverter or DC/DC direct supply.
Electronic load is AC/DC transducer or DC/DC transducer.
Embodiment:
Below with direct current 48V input, alternating current 220V output, the 3KVA ups power is aging sets forth for example.
Suppose based on can wear out simultaneously 5 of 3KVA ups powers of the aging car of the ups power of this aging equipment.Suppose that simultaneously this ups power energy conversion efficiency is 85%.In the present embodiment, rectifier adopts 2 direct supplys that rated power is 2.5KW.Electronic load is that 15 permanent power inputs are the resistive AC-DC transducer of 1.0KW.
The system aging scheme as shown in Figure 2.Civil power load module 2 is single-phase AC 220V, and rectification module 3 is 2 direct supplys that rated power is 2.5KW, is output as direct current 48V busbar voltage.The electric energy conversion efficiency of rectifier 3 is 90%, and input power factor is 0.99.There are 5 by aging unit among Fig. 2, each is comprised that by aging unit the aging 3KVA ups power of 1 quilt is promptly by aging supply convertor 4, the resistive AC-DC transducer of 3 permanent power input 1.0KW is an electronic load 5, and the structure of each aging unit is identical: civil power load module 2 connects the ac input end of rectifier 3; The dc output end of rectifier 3 connects by aging supply convertor 4 promptly by the direct-flow input end of aging 3KVA ups power; It is by the ac output end of aging 3KVA ups power that the ac input end that the resistive AC-DC transducer of 3 permanent power input 1.0KW is an electronic load 5 connects by aging supply convertor 4, and the output termination of electronic load 5 is by the direct-flow input end of aging 3KVA ups power by aging supply convertor 4.System just realizes the purpose that batch is aging and energy circulation is utilized of direct current modular power source like this.
In the present embodiment, the gross output of ups power is 3.0KW*5=15KW, and power input is 15KW/0.85=17.65KW.Suppose that the aging mode of energy consumption type adopts aging the use direct supply identical with power factor with native system efficient.Adopting the aging required electric network active power of mode of energy consumption type is 17.65KW/0.9=19.61KW; Distribution capacity is 19.61KW/0.99=19.81KVA.In the present embodiment, the conversion efficiency of electronic load is 90%, so the output power of electronic load is 15KW*0.9=13.5KW.Therefore aging real output capacity with rectifier 3 is 17.65KW-13.5KW=4.15KW.The active power that system asks for from electrical network only is 4.15KW/0.90=4.61KW, and distribution capacity is 4.61KW/0.99=4.66KVA.The mode so more traditional energy consumption type wears out, present embodiment aging equipment economize on electricity (19.61KW-4.61KW)/19.61KW=76.5%; Distribution capacity reduces (19.81KVA-4.66KVA)/19.81KVA=76.5%.As seen energy-saving benefit is quite objective, has improved product competitiveness, greatly reduces input distribution, distribution capacity simultaneously, has reduced the heat radiation cost, has reduced noise.The present invention not detailed description is known technology, repeats no more.
Claims (2)
1. direct-current input power supplying converter energy-saving aging device, it comprises rack, it is characterized in that, be provided with the civil power load module in the described rack, the output terminal of civil power load module is connected with at least one rectifier, and the direct current of rectifier output end output is connected through the aging unit of dc bus and one or more; Each aging unit comprises at least one by aging supply convertor, and rectifier output end connects by the direct-flow input end of aging supply convertor, and the output voltage of rectifier is fit to by the requirement of aging supply convertor; The input termination of electronic load is corresponding to the output terminal of aging supply convertor, and the output terminal of each electronic load feedback direct current is to the dc output end of rectifier; Described rectifier is single-phase rectifier or three phase rectifier; Described is DC/AC inverter or DC/DC direct supply by aging supply convertor; Electronic load is AC/DC transducer or DC/DC transducer; The input characteristics of electronic load is fit to by the aging requirement of aging supply convertor.
2. direct-current input power supplying converter energy-saving aging device as claimed in claim 1 is characterized in that, described civil power load module is single-phase alternating current or three-phase alternating current.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810016814 CN101290335B (en) | 2008-06-11 | 2008-06-11 | Direct-current input power supplying converter energy-saving aging device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200810016814 CN101290335B (en) | 2008-06-11 | 2008-06-11 | Direct-current input power supplying converter energy-saving aging device |
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| CN101290335A CN101290335A (en) | 2008-10-22 |
| CN101290335B true CN101290335B (en) | 2011-02-09 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102931686A (en) * | 2012-11-20 | 2013-02-13 | 南京特能电子有限公司 | Energy regeneration circulating system for aging of charger |
| CN104345285B (en) * | 2014-11-04 | 2017-10-10 | 大连理工常熟研究院有限公司 | A kind of power supply changeover device ageing tester of energy-conservation |
| CN109459709A (en) * | 2018-12-29 | 2019-03-12 | 四川太牛电子科技有限公司 | A kind of direct current feedback electronic load |
| CN110673054B (en) * | 2019-09-30 | 2022-05-17 | 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2750564Y (en) * | 2004-06-15 | 2006-01-04 | 潘永阳 | Energy-saving burning device for AC/DC switching power supply |
| CN2788208Y (en) * | 2004-12-03 | 2006-06-14 | 北京新雷能有限责任公司 | Shunt-wound programmed electric load with energy feedback |
| CN101064434A (en) * | 2007-05-24 | 2007-10-31 | 吴壬华 | Method for feeding back switch power supply aging energy and realizing circuit |
| CN201204551Y (en) * | 2008-06-11 | 2009-03-04 | 德州三和电器有限公司 | Energy-saving aging device for DC input power supply converter |
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- 2008-06-11 CN CN 200810016814 patent/CN101290335B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2750564Y (en) * | 2004-06-15 | 2006-01-04 | 潘永阳 | Energy-saving burning device for AC/DC switching power supply |
| CN2788208Y (en) * | 2004-12-03 | 2006-06-14 | 北京新雷能有限责任公司 | Shunt-wound programmed electric load with energy feedback |
| CN101064434A (en) * | 2007-05-24 | 2007-10-31 | 吴壬华 | Method for feeding back switch power supply aging energy and realizing circuit |
| CN201204551Y (en) * | 2008-06-11 | 2009-03-04 | 德州三和电器有限公司 | Energy-saving aging device for DC input power supply converter |
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Owner name: QINGDAO SANHUA HUIHAI ELECTRONICS CO., LTD. Free format text: FORMER OWNER: DEZHOU SANHE ELECTRIC CO., LTD. Effective date: 20141215 |
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Effective date of registration: 20141215 Address after: 266000 No. 56 Qianshan South Road, Qingdao economic and Technological Development Zone, Shandong, China Patentee after: QINGDAO SANHUAHUIHAI ELECTRONICS Co.,Ltd. Address before: No. 1227 Regent Avenue Development Zone of Dezhou City, Shandong province 253034 Patentee before: DEZHOU SANHE ELECTRIC Co.,Ltd. |
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