CN2854894Y - Distribution two-stage energy feedback type electronic load system - Google Patents
Distribution two-stage energy feedback type electronic load system Download PDFInfo
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- CN2854894Y CN2854894Y CN 200520064612 CN200520064612U CN2854894Y CN 2854894 Y CN2854894 Y CN 2854894Y CN 200520064612 CN200520064612 CN 200520064612 CN 200520064612 U CN200520064612 U CN 200520064612U CN 2854894 Y CN2854894 Y CN 2854894Y
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Abstract
The utility model relates to a power feedback system, in particular to a distributed two-stage energy feedback electric load system, which comprises microcomputer monitoring unit, energy-collecting unit communication bus, energy-converting unit communication bus, boost busbar, energy-converting unit, and energy-collecting unit. The microcomputer monitoring unit communicates with the energy-collecting unit via the energy-collecting unit communication bus, and communicates with the energy-converting unit via the energy-converting unit communication bus. The energy-collecting unit transfers electricity to the energy-converting unit via the boost busbar. The energy-converting unit converts electricity of different DC power supply equipments into a unified DC voltage. The system can realize energy feedback of various DC power supply equipments toward power line at low cost and input voltage range of 36-300 V.
Description
Technical field
The utility model relates to a kind of energy reponse system, relates in particular to a kind of distributed two-stage energy feedback type electronic load system.
Background technology
At present in the power supply manufacturing, various electronic equipments are in order to reduce the failure rate in early stage, problem is come out before dispatching from the factory as far as possible, and except the process of strictness control research and development of products, production, the limit ageing test before the product export also is absolutely necessary.The actual motion of the simulation limit is aging to come out the problem in early stage, stops bad product export.The producer of some DC power supply, AC power, storage battery etc. particularly, this simulation senile experiment is absolutely necessary.Present technical scheme is to use the active inversion device of high frequency active inversion technology that power supply product is made discharge load.This mode does not influence the quality of electrical network yet when can efficiently feed back to electrical network to the electric energy of discharge effectively.
But the weak point of technique scheme is, the versatility of this device is poor, can only be corresponding one by one with the power supply product of specific voltage and power, during for multi-assortment production, all need corresponding with it special-purpose electric discharge device, and investment is big, and is difficult in maintenance.
The utility model content
The purpose of this utility model is to provide a kind of and expands and the distributed two-stage energy feedback type electronic load system of flexible configuration.
In order to solve the problems of the technologies described above, the utility model is realized by following scheme: a kind of distributed two-stage energy feedback type electronic load system comprises PC monitor unit for monitoring and controlling, energy collection unit communication bus, energy conversion unit communication bus, the bus that boosts, energy conversion unit and energy collection unit.Above-mentioned PC monitor unit for monitoring and controlling is communicated by letter with energy collection unit by the energy harvester communication bus; Above-mentioned PC monitor unit for monitoring and controlling is communicated by letter with energy conversion unit by the energy converter communication bus; Energy collection unit is transmitted electric energy by the bus that boosts to energy conversion unit; Above-mentioned energy collection unit can convert the electric energy of different DC power supply device to a unified direct voltage, and system can realize that the DC power supply device of multiple different model is to the electrical network feedback energy.
Described energy collection unit comprises some energy harvesters, and described energy conversion unit comprises some energy converters.
The scope of described DC power supply device input voltage is 36V-300V.
Described energy harvester is a relation in parallel, but described energy harvester isolated operation also can a plurality ofly move.
Described energy converter is a relation in parallel, but described energy harvester isolated operation also can a plurality ofly move.
Described energy harvester is with constant voltage input, constant current input and the work of permanent power input pattern.
Described energy converter adopts the design of N+1 redundant mode.
Compared with prior art, the distributed two-stage energy feedback type of the utility model electronic load system is by the modularized design to energy harvester and energy converter, the system that makes can dispose dissimilar and energy harvester quantity according to different power supply products and quantity, and energy converter is a standardized module, like this design can realize cheaply the DC power supply device input voltage range between the 36-300V to the electrical network feedback energy.
Description of drawings
Fig. 1 is a distributed two-stage energy feedback type electronic load system structural representation of the present utility model.
Embodiment
See also shown in Figure 1ly, a kind of distributed two-stage energy feedback type electronic load system (hereinafter to be referred as system) comprises PC monitor unit for monitoring and controlling 1, energy collection unit communication bus 2, energy conversion unit communication bus 3, the bus 4 that boosts, energy conversion unit (not label) and energy collection unit (not label).Above-mentioned PC monitor unit for monitoring and controlling 1 is communicated by letter with energy collection unit by energy harvester communication bus 2; Above-mentioned PC monitor unit for monitoring and controlling 1 is communicated by letter with energy conversion unit by energy converter communication bus 3; Energy collection unit is transmitted electric energy by the bus 4 that boosts to energy conversion unit; System can realize that the DC power supply device of multiple different model is to the electrical network feedback energy.
Energy collection unit comprises some energy harvesters 6 (hereinafter to be referred as EC).EC6 is one and by the high-frequency switch DC power technology direct current energy of different voltages, different capacity grade is transformed into identical voltage by institute's preset parameters with the electric energy unification.EC6 can be according to the different voltages of input, and different capacity is divided into multiple model; The EC6 independent assortment of different model can work independently, and also can realize parallel running.EC6 can move according to PC monitor unit for monitoring and controlling 1 given different parameters in addition.In running, when certain EC6 had damage, it deactivated itself, can not have influence on the operate as normal of other EC6.EC6 has three kinds of mode of operations: constant current input service pattern, constant voltage input service pattern, permanent power input service pattern.
Energy conversion unit comprises some energy converters 5 (hereinafter to be referred as ET).The electric energy that ET5 utilizes high frequency active inversion technology to be responsible for that EC6 is collected feeds back to 380V three-phase alternating current electrical network timely.The quantity of ET5 and model need quantity and the power selection according to EC6, can adopt the N+1 redundant mode to improve reliability.
PC monitor unit for monitoring and controlling 1 is the part of control, supervision and the information processing of whole system.Other information of PC monitor unit for monitoring and controlling 1 processing EC6, ET5 and system are sent to EC6 respectively with control signal after the computing and ET5 carries out, thereby realize the control to system.PC monitor unit for monitoring and controlling 1 can also communicate with host computer (not shown), host computer is furnished with Control Software, by transmitting the various working conditions of EC6 and ET5 and the working condition of system to host computer, host computer also can issue various execution information by communication and system monitoring, and PC monitor unit for monitoring and controlling 1 goes to control the operating state of each EC5, ET6 and system again.
Native system can realize that input voltage 36V-300V DC power supply device is to the electrical network feedback energy.
Below in conjunction with specific embodiment the utility model is further described.
In the present embodiment, the DC power supply device of selecting five 220V20A and five 110V40A is to the electrical network feedback energy.
The first step is followed earlier according to DC power supply device and is selected suitable EC model and quantity.Can select to import is five of the EC of rated value 220V20A; Also select five of the EC of amount of imports definite value 110V40A.Above-mentioned EC can both operate as normal change with the input voltage that adapts to broad in excursion of load voltage value.The voltage output rated voltage of above-mentioned EC is 400V.The overall dimension of the EC of equal-wattage and external interface model unanimity are replaced the EC model and are adapted to different discharge requirements, and then Ji ET does not need change.
Second goes on foot, and determines model and the quantity of the ET of back level according to the maximum gross power of calculating prime EC.If during the discharge of the DC power supply device of 220V20A is that maximum output voltage is 260V, rated current is output as 20A, then the gross power 5*260V*20A=26KW of the DC power supply device of five 220V20A; The DC power supply device of 110V40A to be discharged is that maximum output voltage is 130V when discharging, and rated current is output as 40A, then the gross power 5*130V*40A=26KW of the DC power supply device of five 110V40A.Select the ET26KW/400V/10A=7 platform of amount of imports definite value 400V10A, can be according to the redundant reliability of selecting the ET of 8 amount of imports definite value 400V10A with raising energy feedback type electronic load system of N+1, in other words, that is to say that when the energy conversion unit input power satisfies the power output of energy collection unit in theory the ET that increases an input power maximum again improves the reliability of energy feedback type electronic load system.
In another kind of execution mode of the present utility model, also can use the EC of two kinds of different models with.Only need before system discharge work.On PC monitor unit for monitoring and controlling 1, set the various parameters such as model, mode of operation of each EC and ET respectively.
The utility model is example by the DC power supply device with five 220V20A and five 110V40A to the electrical network feedback energy, has introduced a kind of distributed two-stage energy feedback type electronic load system, and this can not be considered to the restriction to the utility model claim.If those skilled in the art has made change unsubstantiality, conspicuous or improvement according to the utility model, all should belong to the scope of the utility model claim protection.
Claims (5)
1, a kind of distributed two-stage energy feedback type electronic load system comprises PC monitor unit for monitoring and controlling, energy collection unit communication bus, energy conversion unit communication bus, the bus that boosts, energy conversion unit and energy collection unit; Above-mentioned PC monitor unit for monitoring and controlling is communicated by letter with energy collection unit by the energy harvester communication bus; Above-mentioned PC monitor unit for monitoring and controlling is communicated by letter with energy conversion unit by the energy converter communication bus, energy collection unit is transmitted electric energy by the bus that boosts to energy conversion unit, it is characterized in that: above-mentioned energy collection unit can convert the electric energy of different DC power supply device to a unified direct voltage, and system can realize that the DC power supply device of multiple different model is to the electrical network feedback energy.
2, distributed two-stage energy feedback type electronic load system according to claim 1, it is characterized in that: above-mentioned energy collection unit comprises some energy harvesters, above-mentioned energy conversion unit comprises some energy converters.
3, distributed two-stage energy feedback type electronic load system according to claim 1 is characterized in that: describedly treat that the scope of discharge equipment input voltage is 36V-300V.
4, distributed two-stage energy feedback type electronic load system according to claim 2 is characterized in that: described energy harvester is a relation in parallel, but described energy harvester isolated operation also can a plurality ofly move.
5, distributed two-stage energy feedback type electronic load system according to claim 2 is characterized in that: described energy converter is a relation in parallel, but described energy harvester isolated operation also can a plurality ofly move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520064612 CN2854894Y (en) | 2005-09-19 | 2005-09-19 | Distribution two-stage energy feedback type electronic load system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520064612 CN2854894Y (en) | 2005-09-19 | 2005-09-19 | Distribution two-stage energy feedback type electronic load system |
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| CN2854894Y true CN2854894Y (en) | 2007-01-03 |
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| CN 200520064612 Expired - Fee Related CN2854894Y (en) | 2005-09-19 | 2005-09-19 | Distribution two-stage energy feedback type electronic load system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217360A (en) * | 2018-08-20 | 2019-01-15 | 深圳市国电赛思科技有限公司 | A kind of feedback type aged load system and its control method |
-
2005
- 2005-09-19 CN CN 200520064612 patent/CN2854894Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217360A (en) * | 2018-08-20 | 2019-01-15 | 深圳市国电赛思科技有限公司 | A kind of feedback type aged load system and its control method |
| CN109217360B (en) * | 2018-08-20 | 2022-04-29 | 深圳市国电赛思电源技术有限责任公司 | Feedback type aging load system and control method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070103 Termination date: 20120919 |