CN205159457U - Electric power is with device that prevents that battery from opening a way - Google Patents
Electric power is with device that prevents that battery from opening a way Download PDFInfo
- Publication number
- CN205159457U CN205159457U CN201520983552.9U CN201520983552U CN205159457U CN 205159457 U CN205159457 U CN 205159457U CN 201520983552 U CN201520983552 U CN 201520983552U CN 205159457 U CN205159457 U CN 205159457U
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- electrically connected
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- chip microcomputer
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- electric power
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- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims description 15
- 238000012360 testing method Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 6
- 230000000052 comparative effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005987 sulfurization reaction Methods 0.000 description 2
- 208000032953 Device battery issue Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses an electric power is with device that prevents that battery from opening a way, including singlechip, automatic control of charge and discharge device, battery balancing control module and LCD display screen, the input of singlechip respectively with memory and power electric connection, automatic control of charge and discharge device is connected with storage battery respectively and overcharges / cross relatively module of discharge voltage, the discharge voltage that overcharges / cross compares the output of module and the input electric connection of singlechip, the output of singlechip is connected with wireless communication module, wireless communication module's communication interface signal connection in remote monitoring terminal. The utility model discloses an automatic control of charge and discharge device, it is controlled the converter mutually and adopts the three -phase to control the thyristor rectifier of circuit entirely, has the function that steady voltage control and stationary flow were controlled, controls the overall process of charge -discharge according to the comparative result of the voltage, current value and the setting value that detect.
Description
Technical field
The utility model belongs to technical field of electric power, is specifically related to a kind of electric power device preventing battery pack open circuit.
Background technology
Chemical energy converts the device of electric energy to chemical cell, and the long-time floating charge of storage battery, does not carry out activation maintenance in time, and electrode can not get electric discharge, forms absorption barrier layer sulfuration at electrode surface; Quarterly (or half a year) deep discharge of carrying out and charging, cause lead sulfate to be deep into pole plate internal layer; And had a strong impact on the life of storage battery.The harm plate vulcanizing of polar plate of lead acid storage battery sulfuration can make charging current and discharging current cannot realize normal electrochemical reaction by pole plate, causes performances of the lead-acid battery to fall behind, earlier period damage and scrapping.
Although the zero-clearance cross-over connection technology of inefficacy storage battery by detecting the battery that the internal resistance of cell finds to lose efficacy timely, can not ensure that the method was become a partner reliably in the past, the display when detecting of some batteries was normal, but the physical structure of inside is close to termination.Once now AC power loses, the high strength supply current of system under direct current supply state, defective storage battery can be impelled to collapse very soon, and whole system is running out of steam instantaneously, brings irremediable massive losses to us.Now, whole Battery pack can provide an operating current IA, and produces a voltage drop VRb in each internal resistance Rb.If Rb2 increases, then VRb2 increases thereupon, the terminal voltage Vb2=E2-VRb2 of this batteries, if IA=20A, when internal resistance Rb is increased to 200m, VRb will reach 4V, when the internal resistance of cell continues to increase, the voltage that is inverted that battery two ends produce can sharply increase, and causes Power supply loop to collapse even dead battery and blasts.
The economic loss that the collapse initiation large area systemic breakdown of current supply circuit brings is a very googol, and its key is the potential safety hazard that in series-connected cell use, existence one is very serious, and this hidden danger is annoying us always.
In order to improve the useful life of storage battery, realizing the automation of charging, for the problem of existing battery pack open circuit, the utility model proposes and a kind ofly adopt the multifunction power of single-chip microcomputer process and the remote monitoring device preventing battery pack open circuit.
Utility model content
The purpose of this utility model is to provide the device of a kind of electric power with preventing battery pack open circuit, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of electric power device preventing battery pack open circuit, comprise single-chip microcomputer, automatic charging/discharging control device, battery balanced control module and LCD display, the input of described single-chip microcomputer is electrically connected with memory and power supply respectively, described automatic charging/discharging control device is connected to batteries and overcharge/overdischarge voltage comparison module, the output of described overcharge/overdischarge voltage comparison module and the input of single-chip microcomputer are electrically connected, described batteries is electrically connected with open-circuit protecting device, the output of described battery balanced control module is electrically connected with the input of batteries and single-chip microcomputer respectively, the output of described single-chip microcomputer and the input of LCD display are electrically connected, the output of described single-chip microcomputer is electrically connected with warning device, the output of described single-chip microcomputer is connected with wireless communication module, the communication interface signal of described wireless communication module is connected to remote monitoring terminal.
Preferably, described automatic charging/discharging control device comprises Phase-controlled Converters, voltage sensor, current sensor, microcomputerized controller and test circuit for cell status, the output voltage of described Phase-controlled Converters and voltage sensor are electrically connected, the output current of described Phase-controlled Converters and current sensor are electrically connected, the output of described voltage sensor and current sensor and microcomputerized controller are electrically connected, described Phase-controlled Converters and batteries are electrically connected, the output of described microcomputerized controller and the input of Phase-controlled Converters are electrically connected, described test circuit for cell status is electrically connected with batteries and microcomputerized controller respectively.
Preferably, the output of described single-chip microcomputer is electrically connected with radiator by relay.
Preferably, the input of described single-chip microcomputer is electrically connected with Temperature Detector.
Preferably, described remote monitoring terminal is mobile phone terminal or computer.
Technique effect of the present utility model and advantage: this electric power device preventing battery pack open circuit, compared with the device protected with traditional battery pack open circuit, battery pack operational factor of the present utility model is by after single-chip microcomputer process, remote monitoring terminal is sent to through wireless communication module, complete data display function, meanwhile, corresponding data storage is set in remote monitoring terminal, operational factor is stored in database, to complete the function such as statistics, analysis of data; What battery balanced and sampling module completed is each equilibrium assignment of cell operational factor and the function of coordination in battery pack, to ensure the equilibrium operating of each cell in battery pack; Meanwhile, the utility model is by automatic charging/discharging control device, and its Phase-controlled Converters is the silicon controlled rectifier adopting three phase model, there is the function of voltage stabilizing control and current stabilization control, when accumulators group is charged, current transformer is operated in rectification state, and charging current can regulate arbitrarily; When accumulators group is discharged, current transformer is operated in inverter mode, the energy inversion of batteries is fed back to power supply, the size of discharging current also can regulate arbitrarily, voltage and current transducer, the size of charging current, the size of battery tension detect by the size detecting single battery, control the overall process of discharge and recharge according to the comparative result of the voltage detected, current value and set-point; Therefore, the utility model is reasonable in design, can real time on-line monitoring battery discharge and recharge and avoid battery pack open circuit etc., there is the advantages such as long service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is automatic charging/discharging control device module diagram of the present utility model;
Fig. 3 is open-circuit protecting device circuit diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of electric power device preventing battery pack open circuit as shown in Figure 1-2, comprise single-chip microcomputer, automatic charging/discharging control device, battery balanced control module and LCD display, the input of described single-chip microcomputer is electrically connected with memory and power supply respectively, described automatic charging/discharging control device is connected to batteries and overcharge/overdischarge voltage comparison module, described automatic charging/discharging control device comprises Phase-controlled Converters, voltage sensor, current sensor, microcomputerized controller and test circuit for cell status, the output voltage of described Phase-controlled Converters and voltage sensor are electrically connected, the output current of described Phase-controlled Converters and current sensor are electrically connected, the output of described voltage sensor and current sensor and microcomputerized controller are electrically connected, described Phase-controlled Converters and batteries are electrically connected, the output of described microcomputerized controller and the input of Phase-controlled Converters are electrically connected, described test circuit for cell status is electrically connected with batteries and microcomputerized controller respectively., the output of described overcharge/overdischarge voltage comparison module and the input of single-chip microcomputer are electrically connected, described batteries is electrically connected with open-circuit protecting device, the output of described battery balanced control module is electrically connected with the input of batteries and single-chip microcomputer respectively, the output of described single-chip microcomputer and the input of LCD display are electrically connected, the output of described single-chip microcomputer is electrically connected with warning device, the output of described single-chip microcomputer is connected with wireless communication module, the communication interface signal of described wireless communication module is connected to remote monitoring terminal, described remote monitoring terminal is mobile phone terminal or computer, the output of described single-chip microcomputer is electrically connected with radiator by relay, the input of described single-chip microcomputer is electrically connected with Temperature Detector.
Operation principle: as shown in Figure 1-2: battery pack operational factor of the present utility model is by after single-chip microcomputer process, remote monitoring terminal is sent to through wireless communication module, complete data display function, simultaneously, corresponding data storage is set in remote monitoring terminal, operational factor is stored in database, to complete the function such as statistics, analysis of data; What battery balanced and sampling module completed is each equilibrium assignment of cell operational factor and the function of coordination in battery pack, to ensure the equilibrium operating of each cell in battery pack; Meanwhile, the utility model is by automatic charging/discharging control device, and its Phase-controlled Converters is the silicon controlled rectifier adopting three phase model, there is the function of voltage stabilizing control and current stabilization control, when accumulators group is charged, current transformer is operated in rectification state, and charging current can regulate arbitrarily; When accumulators group is discharged, current transformer is operated in inverter mode, the energy inversion of batteries is fed back to power supply, the size of discharging current also can regulate arbitrarily, voltage and current transducer, the size of charging current, the size of battery tension detect by the size detecting single battery, control the overall process of discharge and recharge according to the comparative result of the voltage detected, current value and set-point.
As Fig. 3 open-circuit protecting device circuit diagram, in order to safety, user has to all storage battery of advancing updating.A large amount of statistical result showed, only reaches 55% of designed life the actual life of current storage battery.The patented technology that we are exclusive, for dead battery (E2) loop adds another one current channel Ib.When batteries is to system power supply, the general power supply current of battery pack is Ia, if one of them battery failure (being assumed to be E2), very large pressure drop can be produced because its internal resistance Rb 2 becomes very large on Rb2 by the electric current I E of E2, now, we set up another current channel Ib and carry out active shunt to Ia, make Ia=Ib+Ie, achieve and the zero-clearance cross-over connection of inefficacy storage battery is substituted, thoroughly solve single storage battery sudden failure to the devastating impact of whole electric power system, ensure that system safety to greatest extent.
Last it is noted that the foregoing is only preferred embodiment of the present utility model; be not limited to the utility model; although be described in detail the utility model with reference to previous embodiment; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. the electric power device preventing battery pack open circuit, comprise single-chip microcomputer, automatic charging/discharging control device, battery balanced control module and LCD display, the input of described single-chip microcomputer is electrically connected with memory and power supply respectively, it is characterized in that: described automatic charging/discharging control device is connected to batteries and overcharge/overdischarge voltage comparison module, the output of described overcharge/overdischarge voltage comparison module and the input of single-chip microcomputer are electrically connected, described batteries is electrically connected with open-circuit protecting device, the output of described battery balanced control module is electrically connected with the input of batteries and single-chip microcomputer respectively, the output of described single-chip microcomputer and the input of LCD display are electrically connected, the output of described single-chip microcomputer is electrically connected with warning device, the output of described single-chip microcomputer is connected with wireless communication module, the communication interface signal of described wireless communication module is connected to remote monitoring terminal.
2. a kind of electric power device preventing battery pack open circuit according to claim 1, it is characterized in that: described automatic charging/discharging control device comprises Phase-controlled Converters, voltage sensor, current sensor, microcomputerized controller and test circuit for cell status, the output voltage of described Phase-controlled Converters and voltage sensor are electrically connected, the output current of described Phase-controlled Converters and current sensor are electrically connected, the output of described voltage sensor and current sensor and microcomputerized controller are electrically connected, described Phase-controlled Converters and batteries are electrically connected, the output of described microcomputerized controller and the input of Phase-controlled Converters are electrically connected, described test circuit for cell status is electrically connected with batteries and microcomputerized controller respectively.
3. a kind of electric power device preventing battery pack open circuit according to claim 1, is characterized in that: the output of described single-chip microcomputer is electrically connected with radiator by relay.
4. a kind of electric power device preventing battery pack open circuit according to claim 1, is characterized in that: the input of described single-chip microcomputer is electrically connected with Temperature Detector.
5. a kind of electric power device preventing battery pack open circuit according to claim 1, is characterized in that: described remote monitoring terminal is mobile phone terminal or computer.
Priority Applications (1)
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CN201520983552.9U CN205159457U (en) | 2015-12-02 | 2015-12-02 | Electric power is with device that prevents that battery from opening a way |
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CN201520983552.9U CN205159457U (en) | 2015-12-02 | 2015-12-02 | Electric power is with device that prevents that battery from opening a way |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106253392A (en) * | 2016-08-20 | 2016-12-21 | 山东金煜电子科技有限公司 | A kind of power-supply system based on Intelligent self-diagnosis open-circuit-protection |
CN110635180A (en) * | 2019-08-01 | 2019-12-31 | 国网浙江省电力有限公司丽水供电公司 | Charge and discharge fault removing device for storage battery |
-
2015
- 2015-12-02 CN CN201520983552.9U patent/CN205159457U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106253392A (en) * | 2016-08-20 | 2016-12-21 | 山东金煜电子科技有限公司 | A kind of power-supply system based on Intelligent self-diagnosis open-circuit-protection |
CN106253392B (en) * | 2016-08-20 | 2018-11-16 | 山东金煜电子科技有限公司 | A kind of power-supply system based on Intelligent self-diagnosis open-circuit-protection |
CN110635180A (en) * | 2019-08-01 | 2019-12-31 | 国网浙江省电力有限公司丽水供电公司 | Charge and discharge fault removing device for storage battery |
CN110635180B (en) * | 2019-08-01 | 2022-06-28 | 国网浙江省电力有限公司丽水供电公司 | Storage battery charging and discharging fault removing device |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20161202 |