CN105449763A - Charging heating system for electric bicycle lithium ion battery, and control method for charging heating system - Google Patents
Charging heating system for electric bicycle lithium ion battery, and control method for charging heating system Download PDFInfo
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- CN105449763A CN105449763A CN201510946320.0A CN201510946320A CN105449763A CN 105449763 A CN105449763 A CN 105449763A CN 201510946320 A CN201510946320 A CN 201510946320A CN 105449763 A CN105449763 A CN 105449763A
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- battery
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- thermoswitch
- heating system
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to a charging heating system for an electric bicycle lithium ion battery, and a control method for the charging heating system, and belongs to the technical field of the lithium ion battery. The charging heating system for the electric bicycle lithium ion battery comprises a control IC, a heating switch, a charging switch, a PI heating tape and a thermoswitch, wherein the charging switch is connected with the battery in series to form a charging system; the heating switch is connected with the PI heating tape in series to form a heating system; the control method for the charging heating system for the electric bicycle lithium ion battery comprises the steps that the control IC controls the heating switch and the charging switch according to the switching state of the thermoswitch; when the battery temperature is suitable for direct charge, the control IC controls the charging switch to be switched on to directly charge the battery by a charger; when the battery temperature is low and not suitable for direct charge, the control IC controls the heating switch to be switched on, and the PI heating tape is used for heating the battery firstly, and then the battery is charged. The charging heating system has the advantages of simple structure, low cost, convenient control, safety, reliability, small size, excellent performance, long service life and the like.
Description
Technical field
The invention belongs to technical field of lithium ion, particularly relate to a kind of lithium ion battery for electric bicycle charging heating system and control method thereof.
Background technology
Lithium ion battery specific energy density is high, have extended cycle life, environmentally friendly, be suitable as very much electric bicycle power supply.At present, electric bicycle lithium electrification has become a main trend of Development of E-bike.Lithium ion battery adopts graphite as negative electrode active material, but the lithium ion diffusion rate of graphite cathode is little under low temperature, charge transfer impedance in embedding lithium process on electrode/electrolyte interface is larger, during low temperature charging, easily cause lithium to separate out and precipitation at negative pole, battery performance generation unidirectional type is decayed, even seriously can analyse lithium and produce Li dendrite, pierce through barrier film, cause internal short-circuit of battery, severe safety accident occurs.
Direct effective method is for lithium ion battery configuration heater solves lithium battery low temperature charging problems.The method is used widely along slurry battery etc. at batteries of electric automobile, wind power generation.Such as built-in heater, by battery management system (BMS) intelligentized control method, utilizes the electric energy of battery own for battery electric heating.Or complicated charging mechanism is set, outside charging circuit, separately establish external circuits, utilize charging device for heating of battery.But these methods are all more difficult to be applied on lithium ion battery for electric bicycle.Main cause is: one is, battery of electric bicycle capacity is less, generally only has 5-20Ah, and user recharges when battery is discharged completely often, if utilize the electric energy of battery own to be heating of battery, probably causes battery over-discharge can, damages battery.Two are, the control method of some technology is too complicated, need high-precision BMS and temp measuring system to realize, significantly increase the production cost of battery, and electric bicycle are as the walking-replacing tool of general public, very responsive to battery price.Three are, most technology adopts mechanical relay as heater control switch.But battery of electric bicycle volume is little, and structural design is compact, the switch blocks such as the mechanical relay in conventional art cannot be placed.Therefore, the normal use under cryogenic of these factors restriction battery of electric bicycle, even produces and has a strong impact on the technical problems such as cell safety.
Summary of the invention
The present invention provides a kind of lithium ion battery for electric bicycle charging heating system and control method thereof for solving in known technology the technical problem that exists.
An object of the present invention is to provide one and has structure simply, with low cost, economical and practical, excellent performance, the lithium ion battery for electric bicycle charging heating system of the features such as long service life.
The technical scheme that lithium ion battery for electric bicycle charging heating system of the present invention is taked is:
A kind of lithium ion battery for electric bicycle charging heating system, is characterized in: lithium ion battery for electric bicycle charging heating system comprises control IC, heater switch, charge switch, PI heating tape and thermoswitch; Charge switch is used for connecting charger and battery, heater switch connection control PI heating tape, connects control IC connection control heater switch, the charge switch of thermoswitch; Charge switch and serial battery form charging system, heater switch and PI heating tape heating system in series.
Lithium ion battery for electric bicycle charging heating system of the present invention can also adopt following technical scheme:
Described lithium ion battery for electric bicycle charging heating system, is characterized in: heater switch and charge switch are MOSFET pipe.
Described lithium ion battery for electric bicycle charging heating system, is characterized in: the direct connecting charger in PI ribbon heater.
Described lithium ion battery for electric bicycle charging heating system, is characterized in: thermoswitch (6) is closed type thermoswitch.
The control method of the lithium ion battery for electric bicycle charging heating system of the features such as two of object of the present invention is to provide one and has simple to operate, controls conveniently, safe and reliable, applied widely.
The technical scheme that the control method of lithium ion battery for electric bicycle charging heating system of the present invention is taked is:
A control method for lithium ion battery for electric bicycle charging heating system, is characterized in: control IC controls heater switch and charge switch according to the on off state of thermoswitch; When battery temperature is applicable to directly charging, it is battery charging that control IC controls the direct charger of charge switch connection; Battery temperature is low when being not suitable for directly charging, and control IC controls heater switch and connects, and is first heating of battery with PI heating tape, and then is that battery charges.
The control method of lithium ion battery for electric bicycle charging heating system of the present invention can also adopt following technical scheme:
The control method of described lithium ion battery for electric bicycle charging heating system, is characterized in: thermoswitch is closed type thermoswitch; First control IC judges the on off state of thermoswitch; If thermoswitch is in off-state, control IC controls heater switch disconnection, charge switch is connected, and charger is that battery charges normal; If thermoswitch is in on-state, control IC controls charge switch disconnection, heater switch is connected, charger and PI heating tape are in on-state, start as heating of battery until thermoswitch is in off-state, control IC controls heater switch disconnection, charge switch is connected, stop heating, charger is that battery charges normal.
The control method of described lithium ion battery for electric bicycle charging heating system, is characterized in: the disconnection operating temperature of thermoswitch is 10-20 DEG C, and reset temperature is 0-10 DEG C.
The advantage that the present invention has and good effect are:
Lithium ion battery for electric bicycle charging heating system and control method thereof are owing to have employed the brand-new technical scheme of the present invention, and compared with prior art, the present invention has following evident characteristic:
1, heating of battery system critical piece proposed by the invention is ordinary electronic components and parts, without the need to configuring complicated BMS (battery management system) and temp measuring system, with low cost;
2, the present invention does not need to transmit and process complicated temperature measuring data and control signal, and control IC only judges that the closure state of thermoswitch can realize the control to battery charging and heating, and method is simple and reliable;
3, heating of battery system proposed by the invention utilizes external charger power source charges, and compact, be suitable as very much the charging heating of the automobile-used lithium ion battery of electrical salf-walking.
Accompanying drawing explanation
Fig. 1 is lithium ion battery for electric bicycle charging heating system schematic.
Fig. 2 is lithium ion battery for electric bicycle charging heating system control process figure.
In figure, 1, battery, 2, charge switch, 3, heater switch, 4, PI heating tape, 5, control control IC, 6, thermoswitch, 7, charger.
Embodiment
For summary of the invention of the present invention, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Accompanying drawings 1 and Fig. 2.
Embodiment 1
A kind of lithium ion battery for electric bicycle charging heating system, comprises control IC5, heater switch 3, charge switch 2, PI heating tape 4 and thermoswitch 6; Charge switch is used for connecting charger 7 and battery 1, heater switch 3 connection control PI heating tape 4, connects control IC5 connection control heater switch 3, the charge switch 2 of thermoswitch 6.Heater switch 3 and charge switch 2 are MOSFET pipe.Thermoswitch 2 is closed type thermoswitch, namely when battery temperature disconnects operating temperature T1 lower than it, thermoswitch 6 is in closure state, when battery temperature is higher than temperature T1, thermoswitch 6 is in off-state, when battery temperature is down to reset temperature T0 again, thermoswitch 6 is in closure state again.Control IC1 is connected with thermoswitch 6, charge switch 2 and heater switch 3.Control IC1, by judging the on off state of thermoswitch 6, manages charge switch 2 and heater switch 3, controls two switches and disconnects or connect, make charging heating system be in heating or charged state.Control IC, heater switch and charge switch are integrated in one piece of small-sized PCB.Wherein, charge switch 3 and battery 1 charging system in series, heater switch 3 and PI heating tape 4 heating system in series.Heating system and Charging subordination parallel relationship, both common power source are charger 7.
Embodiment 2
A control method for lithium ion battery for electric bicycle charging heating system, control IC controls heater switch and charge switch according to the on off state of thermoswitch; When battery temperature is applicable to directly charging, it is battery charging that control IC controls the direct charger of charge switch connection; Battery temperature is low when being not suitable for directly charging, and control IC controls heater switch and connects, and is first heating of battery with PI heating tape, and then is that battery charges.
Control procedure comprises: charging starts, and control IC judges whether thermoswitch is off state.If thermoswitch is in off-state, then control IC controls heater switch disconnection, charge switch connection, and charger is that battery charges normal.Otherwise, thermoswitch is in on-state, control IC controls charge switch disconnection, heater switch is connected, charger and PI heating tape are in on-state, start as heating of battery, until thermoswitch is in off-state, control IC controls heater switch disconnection, charge switch connection, stop heating, charger starts as battery charges normal.
Embodiment 3
A control method for lithium ion battery for electric bicycle charging heating system, control IC controls heater switch and charge switch according to the on off state of thermoswitch.It is 20 DEG C that thermoswitch disconnects operating temperature T1, and reset temperature T0 is 10 DEG C, and battery initial temperature T2 is 25 DEG C.Connect charging heating system as shown in Figure 1.After charger is connected with system, because battery initial temperature T2 is higher than thermoswitch disconnection operating temperature T1, thermistor is in off-state, then control IC controls heater switch disconnection, charge switch connection, and charger is that battery charges normal to charging end.
Embodiment 4
A control method for lithium ion battery for electric bicycle charging heating system, control IC controls heater switch and charge switch according to the on off state of thermoswitch.It is 15 DEG C that thermoswitch disconnects operating temperature T1, and reset temperature T0 is 5 DEG C, and battery initial temperature T2 is 1 DEG C.Connect charging heating system as shown in Figure 1.After charger is connected with charging, because battery initial temperature T2 disconnects operating temperature T1 lower than thermoswitch, thermistor is in on-state, control IC controls charge switch disconnection, heater switch is connected, and charger and PI heating tape are in on-state, start as heating of battery, until when battery temperature rises to 15 DEG C, thermoswitch disconnects, and control IC disconnects heater switch, connects charge switch, and charger is that battery charges normal to charging end.
Embodiment 5
A control method for lithium ion battery for electric bicycle charging heating system, control IC controls heater switch and charge switch according to the on off state of thermoswitch.It is 15 DEG C that thermoswitch disconnects operating temperature T1, and reset temperature T0 is 10 DEG C, and battery initial temperature T2 is-10 DEG C.Connect charging heating system as shown in Figure 1.After charger is connected with charging, because battery initial temperature T2 disconnects operating temperature T1 lower than thermoswitch, thermistor is in on-state, control IC controls charge switch disconnection, heater switch is connected, and charger and PI heating tape are in on-state, start as heating of battery, until when battery temperature rises to 15 DEG C, thermoswitch disconnects, and control IC disconnects heater switch, connects charge switch, and charger is battery charging.Because ambient temperature is too low, the heat that battery heat radiation produces faster than battery charging, battery temperature drops to 10 DEG C gradually, thermoswitch resets connection again, control IC turn off charge switch, connects heater switch, restarts for heating of battery, until when battery temperature rises to 15 DEG C, thermoswitch disconnects, and charge switch is connected again, and battery starts charging.Circulation like this, until charging terminates.
It is simple that the present embodiment has described structure, with low cost, economical and practical, and it is convenient, safe and reliable, actively little to control, excellent performance, the good effects such as long service life.
Claims (7)
1. a lithium ion battery for electric bicycle charging heating system, is characterized in that: lithium ion battery for electric bicycle charging heating system comprises control IC (5), heater switch (3), charge switch (2), PI heating tape (4) and thermoswitch (6); Charge switch is used for connecting charger (7) and battery (1), heater switch (3) connection control PI heating tape (4), connects control IC (5) connection control heater switch (3), the charge switch (2) of thermoswitch (6); Charge switch (2) and battery (1) charging system in series, heater switch (3) and PI heating tape (4) heating system in series.
2. lithium ion battery for electric bicycle charging heating system according to claim 1, is characterized in that: heater switch (3) and charge switch (2) are MOSFET pipe.
3. lithium ion battery for electric bicycle charging heating system according to claim 1, is characterized in that: the direct connecting charger in PI ribbon heater (7).
4. lithium ion battery for electric bicycle charging heating system according to claim 1, is characterized in that: thermoswitch (6) is closed type thermoswitch.
5. the control method of lithium ion battery for electric bicycle charging heating system according to claim 1, is characterized in that: control IC (5) controls heater switch (3) and charge switch (2) according to the on off state of thermoswitch (6); When battery (1) temperature is applicable to directly charging, control IC (5) controls charge switch (2) connection and directly uses charger (7) to be battery (1) charging; Battery (1) temperature is low when being not suitable for directly charging, control IC (5) controls heater switch (3) and connects, first use PI heating tape (4) for battery (1) heating, and then be battery (1) charging.
6. the control method of lithium ion battery for electric bicycle charging heating system according to claim 5, is characterized in that: thermoswitch (6) is closed type thermoswitch; Control IC (5) first judges the on off state of thermoswitch (6); If thermoswitch (6) is in off-state, control IC (5) controls that heater switch (3) disconnects, charge switch (2) is connected, and charger (7) charges normal for battery (1); If thermoswitch (6) is in on-state, control IC (5) controls charge switch (2) disconnection, heater switch (3) is connected, charger (7) and PI heating tape (4) are in on-state, start as battery (1) heating is until thermoswitch (6) is in off-state, control IC (5) controls heater switch (3) disconnection, charge switch (2) is connected, stop heating, charger (7) charges normal for battery (1).
7. the control method of lithium ion battery for electric bicycle charging heating system according to claim 6, is characterized in that: the disconnection operating temperature of thermoswitch (6) is 10-20 DEG C, and reset temperature is 0-10 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946320.0A CN105449763A (en) | 2015-12-16 | 2015-12-16 | Charging heating system for electric bicycle lithium ion battery, and control method for charging heating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510946320.0A CN105449763A (en) | 2015-12-16 | 2015-12-16 | Charging heating system for electric bicycle lithium ion battery, and control method for charging heating system |
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| CN105449763A true CN105449763A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510946320.0A Pending CN105449763A (en) | 2015-12-16 | 2015-12-16 | Charging heating system for electric bicycle lithium ion battery, and control method for charging heating system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933465A (en) * | 2018-08-31 | 2018-12-04 | 浙江飞碟汽车制造有限公司 | A kind of charging unit and its application method based on temperature and electric current double-direction control |
| CN109390995A (en) * | 2017-08-14 | 2019-02-26 | 广东金华达电子有限公司 | A kind of lithium battery management system that intelligence is highly reliable |
| CN112216907A (en) * | 2020-10-13 | 2021-01-12 | 赵平平 | Lithium cell group for new energy automobile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1630129A (en) * | 2003-12-18 | 2005-06-22 | 明基电通股份有限公司 | Equipment for heating and charging chargeable battery under low-temperature |
| KR20070113038A (en) * | 2006-05-24 | 2007-11-28 | 삼성에스디아이 주식회사 | Battery pack |
| CN202798083U (en) * | 2012-09-20 | 2013-03-13 | 上海广为美线电源电器有限公司 | Low-temperature self-heating lithium battery emergency start power supply |
| CN203631703U (en) * | 2013-12-13 | 2014-06-04 | 惠州市亿能电子有限公司 | Control circuit of electric car battery heating system |
| CN104037472A (en) * | 2014-07-03 | 2014-09-10 | 北京理工大学 | Lithium ion battery pack heat management device based on PTC resistance tape heating |
-
2015
- 2015-12-16 CN CN201510946320.0A patent/CN105449763A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1630129A (en) * | 2003-12-18 | 2005-06-22 | 明基电通股份有限公司 | Equipment for heating and charging chargeable battery under low-temperature |
| KR20070113038A (en) * | 2006-05-24 | 2007-11-28 | 삼성에스디아이 주식회사 | Battery pack |
| CN202798083U (en) * | 2012-09-20 | 2013-03-13 | 上海广为美线电源电器有限公司 | Low-temperature self-heating lithium battery emergency start power supply |
| CN203631703U (en) * | 2013-12-13 | 2014-06-04 | 惠州市亿能电子有限公司 | Control circuit of electric car battery heating system |
| CN104037472A (en) * | 2014-07-03 | 2014-09-10 | 北京理工大学 | Lithium ion battery pack heat management device based on PTC resistance tape heating |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390995A (en) * | 2017-08-14 | 2019-02-26 | 广东金华达电子有限公司 | A kind of lithium battery management system that intelligence is highly reliable |
| CN108933465A (en) * | 2018-08-31 | 2018-12-04 | 浙江飞碟汽车制造有限公司 | A kind of charging unit and its application method based on temperature and electric current double-direction control |
| CN112216907A (en) * | 2020-10-13 | 2021-01-12 | 赵平平 | Lithium cell group for new energy automobile |
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Address after: 300402 Huaihe Road, Beichen District, Tianjin, No. 5 Applicant after: Tianjin first public new energy Polytron Technologies Inc Address before: 300402 Huaihe Road, Beichen District, Tianjin, No. 5 Applicant before: TIANJIN XIANZHONG SCIENCE & TECHNOLOGY CO., LTD. |
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Application publication date: 20160330 |
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| RJ01 | Rejection of invention patent application after publication |