CN103178309A - Residual electric quantity display device suitable for lithium iron phosphate battery - Google Patents
Residual electric quantity display device suitable for lithium iron phosphate battery Download PDFInfo
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- CN103178309A CN103178309A CN2013100925686A CN201310092568A CN103178309A CN 103178309 A CN103178309 A CN 103178309A CN 2013100925686 A CN2013100925686 A CN 2013100925686A CN 201310092568 A CN201310092568 A CN 201310092568A CN 103178309 A CN103178309 A CN 103178309A
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- 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
Abstract
The invention relates to a residual electric quantity display device suitable for a lithium iron phosphate battery. The residual electric quantity display device comprises a device box body, wherein a box cover is arranged on the device box body. A circuit insertion substrate is arranged in the device box body; a connection joint, a voltage reference component, a differential amplification component, a comparator component and an indicating component are distributed on the circuit insertion substrate. Furthermore, the input end of the voltage reference component is connected with the connection joint; the main output end of the voltage reference component is connected with the input end of the differential amplification component; the output end of the differential amplification component is connected with the input end of the comparator component; and the output end of the comparator is connected with the indicating component. Therefore, the slope of a discharging platform of a battery with a lithium iron phosphate type can be amplified; and residual electric quantity can be easily and conveniently displayed. Moreover, the residual electric quantity display device is simple in structure, low in manufacturing cost and reliable in performance.
Description
Technical field
The present invention relates to a kind of display unit, relate in particular to a kind of dump energy display unit that is applicable to ferric phosphate lithium cell.
Background technology
LiFePO4 is the thing that just occurred in recent years as battery material, and it is in July, 2005 that domestic-developed goes out the large-capacity lithium iron phosphate battery.Its security performance is that other material can't be compared with cycle life, and these are the most important technical indicator of electrokinetic cell just also.1C charges and discharge cycle life and reaches 2000 times.Single battery overcharged voltage 30V does not burn, and punctures not quick-fried.Lithium iron phosphate positive material is made the high capacity lithium ion battery use of more easily connecting.Having the advantages such as nontoxic, pollution-free, that security performance is good, raw material wide material sources, low price, and the life-span is long, is the desirable positive electrode of lithium ion battery of new generation.Based on these advantages, LiFePO4 is placed high hopes in electrokinetic cell and energy-storage battery field.In these applications, need a kind of device to show the residue available power, so that the user correctly formulates the operational version of battery, replenish timely electricity, perhaps take other necessary measures.Widely used potentiometer or voltage indicator lamp in lead-acid battery and other positive electrode lithium batteries, because peaceful being difficult to of the discharge platform of LiFePO4 used, widely used voltameter in mobile phone and notebook computer, owing to relying on a large amount of software and hardware environment, also be difficult to simple transplanting.
Summary of the invention
The object of the invention is to overcome the above problem that prior art exists, a kind of dump energy display unit that is applicable to ferric phosphate lithium cell is provided.
for realizing a kind of dump energy display unit that is applicable to ferric phosphate lithium cell of purpose of the present invention, include the device box body, be provided with lid on described device box body, wherein: in described device box body, circuit is set and patches substrate, described circuit patches and is distributed with the linking joint on substrate, the voltage reference assembly, the differential amplification assembly, comparator component, indication component, be connected with the input of voltage reference assembly on described linking joint, the main output of described voltage reference assembly is connected with the input of differential amplification assembly, described differential amplification assembly output connects the input of comparator component, the output of described comparator is connected with indication component.
Further, above-mentioned a kind of dump energy display unit that is applicable to ferric phosphate lithium cell, wherein, the secondary output of described voltage reference assembly connects the auxiliary PORT COM of comparator component.
Further, above-mentioned a kind of dump energy display unit that is applicable to ferric phosphate lithium cell wherein, is provided with boost voltage benchmark adjusting module between the secondary output of described voltage reference assembly and the auxiliary PORT COM of comparator component.
Further, above-mentioned a kind of dump energy display unit that is applicable to ferric phosphate lithium cell, wherein, described indication component is light-emitting diode.
Further, above-mentioned a kind of dump energy display unit that is applicable to ferric phosphate lithium cell wherein, is provided with sealing ring between described device box body and lid.
Further, above-mentioned a kind of dump energy display unit that is applicable to ferric phosphate lithium cell wherein, is provided with reinforcement in described device box body.
Again further, above-mentioned a kind of dump energy display unit that is applicable to ferric phosphate lithium cell wherein, is provided with the indication component accommodation hole on described lid.
Adopt technical solution of the present invention, the slope of the battery discharge platform of LiFePO4 classification can be amplified, can show simply and easily dump energy.Simultaneously, simple structure of the present invention, cheap for manufacturing cost, dependable performance.
Purpose of the present invention, advantage and disadvantage will be for illustration and explanation by the non-limitative illustration of following preferential embodiment, and these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is the organigram that originally is applicable to the dump energy display unit of ferric phosphate lithium cell.
In figure, the implication of each Reference numeral is as follows:
1 is connected joint 2 voltage reference assemblies
4 boost voltage benchmark are transferred
3 differential amplification assembly mould preparation pieces
5 comparator component 6 indication components
7 circuit patch substrate 8 device box bodys
Embodiment
A kind of dump energy display unit that is applicable to ferric phosphate lithium cell as shown in Figure 1 includes device box body 8, is provided with lid on described device box body 8, and its special feature is: the interior circuit that arranges of device box body 8 of the present invention patches substrate 7.Specifically, patch to be distributed with on substrate 7 at circuit and be connected joint 1, voltage reference assembly 2, differential amplification assembly 3, comparator component 5, indication component 6.Consider the stability of operating efficiency, be connected the input that is connected with voltage reference assembly 2 on joint 1, the main output of voltage reference assembly 2 is connected with the input of differential amplification assembly 3, differential amplification assembly 3 outputs connect the input of comparator component 5, and the output of comparator is connected with indication component 6.
In conjunction with the better execution mode of the present invention one, consider that follow-up demonstration is accurate, the secondary output of voltage reference assembly 2 connects the auxiliary PORT COM of comparator component 5.Simultaneously, bring abnormal conditions for fear of voltage fluctuation, be provided with boost voltage benchmark adjusting module 4 between the secondary output of voltage reference assembly 2 and the auxiliary PORT COM of comparator component 5.
Further, for the ease of user's awareness status, indication component 6 is light-emitting diode.Specifically, the required precision that selective basis shows and deciding, to common purposes such as electric bicycle, design 4 Light-Emitting Diodes commonplace.The design of each comparator dividing potential drop is take dump energy corresponding to voltage as standard, and such as 4 comparators, it is 80%, 50%, 20%, 0% more reasonable that dividing point adopts.
Again further, consider that routine use environment of the present invention may have dust or steam, in order not affect the routine work of various assemblies, improve useful life, be provided with sealing ring between device box body 8 and lid.
Simultaneously, consider to promote bulk strength of the present invention, prevent impact used in everyday to impact, be provided with reinforcement in device box body 8.Moreover, consider the design as a whole consistency, occur lofty when avoiding assembling or place not in placely, affect later observation, be provided with indication component 6 accommodation holes on lid.
From implementation process of the present invention, selecting voltage reference assembly 2 is 10 volts, differential amplification assembly 3 multiplication factors are 4.5 times, boost voltage benchmark adjusting module 4 is 5 volts, comparator component 5 decides the on and off of respective leds in light-emitting diode assembly with 1/2.49,1/2.37,1/1.82,1/1 and 5 volt of comparison of differential amplification assembly 3 output voltages.
By above-mentioned character express and can finding out by reference to the accompanying drawings, after adopting the present invention, the slope of the battery discharge platform of LiFePO4 classification can be amplified, can show simply and easily dump energy.Simultaneously, simple structure of the present invention, cheap for manufacturing cost, dependable performance.
Certainly, above is only concrete exemplary applications of the present invention, and protection scope of the present invention is not constituted any limitation.In addition to the implementation, the present invention can also have other execution mode.All employings are equal to the technical scheme of replacement or equivalent transformation formation, within all dropping on the present invention's scope required for protection.
Claims (7)
1. dump energy display unit that is applicable to ferric phosphate lithium cell, include the device box body, be provided with lid on described device box body, it is characterized in that: in described device box body, circuit is set and patches substrate, described circuit patches and is distributed with the linking joint on substrate, the voltage reference assembly, the differential amplification assembly, comparator component, indication component, be connected with the input of voltage reference assembly on described linking joint, the main output of described voltage reference assembly is connected with the input of differential amplification assembly, described differential amplification assembly output connects the input of comparator component, the output of described comparator is connected with indication component.
2. a kind of dump energy display unit that is applicable to ferric phosphate lithium cell according to claim 1, is characterized in that: the auxiliary PORT COM of the secondary output connection comparator component of described voltage reference assembly.
3. a kind of dump energy display unit that is applicable to ferric phosphate lithium cell according to claim 2, is characterized in that: be provided with boost voltage benchmark adjusting module between the secondary output of described voltage reference assembly and the auxiliary PORT COM of comparator component.
4. a kind of dump energy display unit that is applicable to ferric phosphate lithium cell according to claim 1, it is characterized in that: described indication component is light-emitting diode.
5. a kind of dump energy display unit that is applicable to ferric phosphate lithium cell according to claim 1, is characterized in that: be provided with sealing ring between described device box body and lid.
6. a kind of dump energy display unit that is applicable to ferric phosphate lithium cell according to claim 1, is characterized in that: be provided with reinforcement in described device box body.
7. a kind of dump energy display unit that is applicable to ferric phosphate lithium cell according to claim 1, is characterized in that: be provided with the indication component accommodation hole on described lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310092568.6A CN103178309B (en) | 2013-03-22 | 2013-03-22 | A kind of dump energy display unit being applicable to ferric phosphate lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310092568.6A CN103178309B (en) | 2013-03-22 | 2013-03-22 | A kind of dump energy display unit being applicable to ferric phosphate lithium cell |
Publications (2)
| Publication Number | Publication Date |
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| CN103178309A true CN103178309A (en) | 2013-06-26 |
| CN103178309B CN103178309B (en) | 2015-10-14 |
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| CN201310092568.6A Active CN103178309B (en) | 2013-03-22 | 2013-03-22 | A kind of dump energy display unit being applicable to ferric phosphate lithium cell |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070090804A1 (en) * | 2005-10-14 | 2007-04-26 | Lg Electronics Inc. | Determining an amount of charge in a battery based on voltage and portagle device having the same |
| CN1979942A (en) * | 2005-11-30 | 2007-06-13 | 比亚迪股份有限公司 | Display circuit for residual electricity quantity of secondary cell |
| CN102495370A (en) * | 2011-11-15 | 2012-06-13 | 北京百纳威尔科技有限公司 | Mobile terminal and battery remaining capacity measuring method |
| CN203119059U (en) * | 2013-03-22 | 2013-08-07 | 苏州能斯特新能源有限公司 | Remaining electric quantity display device suitable for lithium iron phosphate battery |
-
2013
- 2013-03-22 CN CN201310092568.6A patent/CN103178309B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070090804A1 (en) * | 2005-10-14 | 2007-04-26 | Lg Electronics Inc. | Determining an amount of charge in a battery based on voltage and portagle device having the same |
| CN1979942A (en) * | 2005-11-30 | 2007-06-13 | 比亚迪股份有限公司 | Display circuit for residual electricity quantity of secondary cell |
| CN102495370A (en) * | 2011-11-15 | 2012-06-13 | 北京百纳威尔科技有限公司 | Mobile terminal and battery remaining capacity measuring method |
| CN203119059U (en) * | 2013-03-22 | 2013-08-07 | 苏州能斯特新能源有限公司 | Remaining electric quantity display device suitable for lithium iron phosphate battery |
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| Publication number | Publication date |
|---|---|
| CN103178309B (en) | 2015-10-14 |
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Owner name: SUZHOU CANADIAN SOLAR INC. Effective date: 20141030 Owner name: CANADIAN (CHINA) INVESTMENT CO., LTD. Free format text: FORMER OWNER: NERNST NEW ENERGY (SUZHOU) CO., LTD. Effective date: 20141030 |
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Free format text: CORRECT: ADDRESS; FROM: 215129 SUZHOU, JIANGSU PROVINCE TO: 215011 SUZHOU, JIANGSU PROVINCE |
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Effective date of registration: 20141030 Address after: 215011 199 deer Road, hi tech Development Zone, Jiangsu, Suzhou Applicant after: CSI SOLAR POWER (CHINA) Inc. Applicant after: CSI CELLS Co.,Ltd. Address before: 215129, No. 30, environmental protection industrial park, 369 deer Road, hi tech Zone, Jiangsu, Suzhou Applicant before: NERNST NEW ENERGY (SUZHOU) Co.,Ltd. |
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Address after: 215011 No. 199 Lushan Road, Suzhou High-tech Zone, Jiangsu Province Patentee after: CSI SOLAR POWER GROUP Co.,Ltd. Patentee after: CSI Cells Co.,Ltd. Address before: 215011 No. 199 Lushan Road, Suzhou High-tech Zone, Jiangsu Province Patentee before: CSI SOLAR POWER (CHINA) Inc. Patentee before: CSI Cells Co.,Ltd. Address after: 215011 No. 199 Lushan Road, Suzhou High-tech Zone, Jiangsu Province Patentee after: Atlas sunshine Power Group Co.,Ltd. Patentee after: CSI Cells Co.,Ltd. Address before: 215011 No. 199 Lushan Road, Suzhou High-tech Zone, Jiangsu Province Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. Patentee before: CSI Cells Co.,Ltd. |