CN103941190A - Storage battery energy efficiency testing device - Google Patents
Storage battery energy efficiency testing device Download PDFInfo
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- CN103941190A CN103941190A CN201410066381.3A CN201410066381A CN103941190A CN 103941190 A CN103941190 A CN 103941190A CN 201410066381 A CN201410066381 A CN 201410066381A CN 103941190 A CN103941190 A CN 103941190A
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Abstract
The invention relates to a storage-battery energy efficiency testing device. Different storage batteries are different in energy storage efficiency so that testing of storage battery energy efficiencies is necessary. The storage battery energy efficiency testing device includes an electric-energy measurement module I, an AC/DC conversion module, a storage battery pack, a DC/AC conversion module, an electric-energy measurement module II and a load, which are sequentially connected. The electric-energy measurement module I, the AC/DC conversion module, the DC/AC conversion module and the electric-energy measurement module II are connected to a control and communication module STC89C52 at the same time. Output ends of the control and communication module are connected to input ends of the AC/DC conversion module and the DC/AC conversion module. The control and communication module is also connected with an upper computer display module, an auxiliary power-supplying circuit and a power-supply input interface circuit at the same time. The storage battery energy efficiency testing device is capable of performing storage battery energy efficiency testing automatically according to a set charging and discharging scheme and automatically recording test data so that the test process can realize unattended operation.
Description
Technical field
The invention belongs to energy content of battery efficiency techniques field, be specifically related to a kind of storage battery energy efficiency test device.
Background technology
Accumulator is equivalent to a kind of secondary power supply, and it changes extraneous electric energy into the chemical energy of internal storage battery, again chemical energy is transformed into electric energy and discharges when needs.The degree of reversibility of storage battery energy, generally embodies by energy storage efficiency, and energy storage efficiency refers to the ratio that discharges electric weight when electric weight that accumulator is filled with accumulator in when charging is with electric discharge.At present, in existing accumulator standard, energy storage efficiency is not formulated to specific requirement at home, so seldom batteries to store energy efficiency is detected.But the energy storage efficiency of different accumulators is different.The difference of energy storage efficiency, capacity and life-span to accumulator have a certain impact, and especially accumulator is moving in deep discharge situation or under incomplete charged state, larger on its life-span impact.In all many-sides such as present studied solar energy photovoltaic system, intelligent grid, distributed power generations, the energy storage efficiency of accumulator is all had much room for improvement, like this can not only be cost-saving and meet the theory of low-carbon environment-friendly.Therefore, necessary to the test of storage battery energy efficiency, understand and affect the factors of batteries to store energy efficiency, it is also necessary improving that its energy storage efficiency increases the service life, and the test of storage battery energy efficiency has important theory significance and practical value.
Summary of the invention
The object of this invention is to provide a kind of storage battery energy efficiency test device reliable and stable, simple to operate.
The technical solution adopted in the present invention is:
Storage battery energy efficiency test device, is characterized in that:
Include electric energy measurement module I, AC/DC conversion module, battery pack, DC/AC conversion module, electric energy measurement module II, load and control and communication module;
The input end of electric energy measurement module I is connected with external power supply, the input end of output terminal access AC/DC conversion module; The input end of the output terminal access battery pack of AC/DC conversion module; The input end of the output terminal access DC/AC conversion module of battery pack; The input end of the output terminal access electric energy measurement module II of DC/AC conversion module; The output terminal access load of electric energy measurement module II;
The output terminal of the output terminal of electric energy measurement module I, the output terminal of AC/DC conversion module, DC/AC conversion module and the output terminal of electric energy measurement module II are gone back the input end of Access Control and communication module simultaneously; Control with the output terminal of communication module and access the input end of AC/DC conversion module and the input end of DC/AC conversion module;
Control with the output terminal of communication module and accessed host computer display module simultaneously, control with the input end of communication module and also join with auxiliary power supply circuit and power input interface circuit.
Control with communication module and adopt STC89C52 single-chip microcomputer.
Electric energy measurement module I and electric energy measurement module II adopt DDSI705 intelligent electric meter.
Host computer display module adopts liquid crystal 12864.
The present invention has the following advantages:
The present invention maintains close ties with the actual condition of battery and the electric energy metrical standard of electric company, employing STC89C52 is controller, can automatically carry out storage battery energy efficiency test by the scheme that discharges and recharges of setting, automatically record storage battery energy efficiency test data, storage battery energy efficiency test process can realize unmanned.
Brief description of the drawings
Fig. 1 is structural drawing of the present invention.
Fig. 2 is circuit connection diagram of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention will be described in detail.
Referring to Fig. 1, a kind of storage battery energy efficiency test device the present invention relates to, includes electric energy measurement module I, AC/DC conversion module, battery pack, DC/AC conversion module, electric energy measurement module II, load and control and communication module.
The input end of electric energy measurement module I is connected with external power supply, the input end of output terminal access AC/DC conversion module; The input end of the output terminal access battery pack of AC/DC conversion module; The input end of the output terminal access DC/AC conversion module of battery pack; The input end of the output terminal access electric energy measurement module II of DC/AC conversion module; The output terminal access load of electric energy measurement module II.The output terminal of the output terminal of electric energy measurement module I, the output terminal of AC/DC conversion module, DC/AC conversion module and the output terminal of electric energy measurement module II are gone back the input end of Access Control and communication module simultaneously; Control with the output terminal of communication module and access the input end of AC/DC conversion module and the input end of DC/AC conversion module.Control with the output terminal of communication module and accessed host computer display module simultaneously, control with the input end of communication module and also join with auxiliary power supply circuit and power input interface circuit.
Wherein, control with communication module and adopt STC89C52 single-chip microcomputer, can automatically test according to the scheme that discharges and recharges of setting, record test data automatically, test process can be realized unmanned; Electric energy measurement module I and electric energy measurement module II adopt DDSI705 intelligent electric meter; Host computer display module adopts liquid crystal 12864.
In device of the present invention, electric energy measurement module I is connected between external power supply (AC power) and AC/DC conversion module, can directly read charge in batteries by electric energy measurement module I and complete altogether to obtain how many electric energy from electrical network, when relay K 1 is got to contact 3, relay K 2 is got to contact 3, relay K 3 is got to contact 1, when relay K 4 is got to contact 1, storage battery energy efficiency test device is in charge mode, charging indicator light is bright, in the time that charging completes, send charging completion signal (continuing high level) by AC/DC conversion module to controlling with communication module, control the electric quantity data now electric energy measurement module I being sended over communication module and deliver to host computer display module, by host computer display module by data recording and show.Then control with communication module and send instruction to AC/DC conversion module charging circuit AC/DC conversion module is quit work, send instruction to DC/AC conversion module and make inverter circuit work, power to the load.Now, control with communication module to relay K 1, K2, K3, K4 sends control signal, make relay K 1 get to contact 1, relay K 2 is got to contact 1, relay K 3 is got to contact 3, relay K 4 is got to contact 3, storage battery energy efficiency test device is in inversion discharge mode, discharge indicating lamp is bright, electric energy measurement module II in storage battery energy efficiency test device is connected between DC/AC conversion module and load, can directly read load by electric energy measurement module II and obtain how many electric energy from accumulator, the loss of the consumption of self and DC/AC conversion module switching device when this part electric energy does not comprise battery discharging.In the time that electric discharge completes, send discharge off signal by DC/AC conversion module to controlling with communication module, control the electric quantity data now electric energy measurement module II being sended over communication module and deliver to host computer display module, by host computer display module by data recording and show; Then control with communication module and send instruction to DC/AC conversion module inverter circuit is quit work, send instruction to AC/DC conversion module and make charging circuit work, to charge in batteries.Control with communication module and send control signal to relay K 1, K2, K3, K4 simultaneously, while making relay K 1 get to contact 3, relay K 2 to get to contact 3, relay K 3 and get to contact 1, relay K 4 and get to contact 1, storage battery energy efficiency test device is in charge mode, charging indicator light is bright, loops.Consider the asynchronous of charge in batteries AC/DC conversion module and electric discharge DC/AC conversion module, electric energy measurement module I and electric energy measurement module II can be only with one.
It is cited that content of the present invention is not limited to embodiment, and the conversion of any equivalence that those of ordinary skill in the art take technical solution of the present invention by reading instructions of the present invention, is claim of the present invention and contains.
Claims (4)
1. storage battery energy efficiency test device, is characterized in that:
Include electric energy measurement module I, AC/DC conversion module, battery pack, DC/AC conversion module, electric energy measurement module II, load and control and communication module;
The input end of electric energy measurement module I is connected with external power supply, the input end of output terminal access AC/DC conversion module; The input end of the output terminal access battery pack of AC/DC conversion module; The input end of the output terminal access DC/AC conversion module of battery pack; The input end of the output terminal access electric energy measurement module II of DC/AC conversion module; The output terminal access load of electric energy measurement module II;
The output terminal of the output terminal of electric energy measurement module I, the output terminal of AC/DC conversion module, DC/AC conversion module and the output terminal of electric energy measurement module II are gone back the input end of Access Control and communication module simultaneously; Control with the output terminal of communication module and access the input end of AC/DC conversion module and the input end of DC/AC conversion module;
Control with the output terminal of communication module and accessed host computer display module simultaneously, control with the input end of communication module and also join with auxiliary power supply circuit and power input interface circuit.
2. storage battery energy efficiency test device according to claim 1, is characterized in that:
Control with communication module and adopt STC89C52 single-chip microcomputer.
3. storage battery energy efficiency test device according to claim 2, is characterized in that:
Electric energy measurement module I and electric energy measurement module II adopt DDSI705 intelligent electric meter.
4. storage battery energy efficiency test device according to claim 3, is characterized in that:
Host computer display module adopts liquid crystal 12864.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066381.3A CN103941190A (en) | 2014-02-26 | 2014-02-26 | Storage battery energy efficiency testing device |
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| CN201410066381.3A CN103941190A (en) | 2014-02-26 | 2014-02-26 | Storage battery energy efficiency testing device |
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| CN103941190A true CN103941190A (en) | 2014-07-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105866692A (en) * | 2016-03-30 | 2016-08-17 | 上海中科深江电动车辆有限公司 | Battery energy efficiency test device and test method |
| CN104237804B (en) * | 2014-10-07 | 2017-04-19 | 山东广达锂电检测研究院有限公司 | Lithium battery test system |
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| TW201017198A (en) * | 2008-10-31 | 2010-05-01 | Evt Technology Co Ltd | Battery set information real-time calculation method used for electric vehicle and the electric vehicle using same |
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