CN201877852U - Charging heating management system for new-energy automobile power battery - Google Patents
Charging heating management system for new-energy automobile power battery Download PDFInfo
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- CN201877852U CN201877852U CN2010206000125U CN201020600012U CN201877852U CN 201877852 U CN201877852 U CN 201877852U CN 2010206000125 U CN2010206000125 U CN 2010206000125U CN 201020600012 U CN201020600012 U CN 201020600012U CN 201877852 U CN201877852 U CN 201877852U
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Abstract
The utility model relates to a charging heating management system for a new-energy automobile power battery, which comprises a heating management control unit, a power circuit, an environment temperature monitoring circuit and a charging heating selector unit. An input end of the heating management control unit is respectively connected with the power circuit and the environment temperature monitoring circuit, an output end of the heating management control unit is connected with the charging heating selector unit, the charging heating selector unit is respectively connected with a first IGBT (insulated gate bipolar transistor) and a second IGBT, the first IGBT, a high voltage input circuit and a heating circuit form a serial loop, and the second IGBT, the high voltage input circuit and a battery form a serial loop. The charging heating management system is capable of acquiring external environment temperature during charging, when external environment temperature is too low, the heating management control unit transmits control signals to the charging heating selector unit which heats up the battery, and charging is stopped; and when the environment temperature rises to a temperature suitable for the battery to operate, the charging heating selector unit stops heating the battery and charging is started.
Description
Technical field
The utility model relates to a kind of new-energy automobile electrokinetic cell, especially a kind of charging heating management system of new-energy automobile electrokinetic cell.
Background technology
At present, Chang Yong new-energy automobile power battery charging circuit does not generally heat management system.The capacity and the temperature of dynamic lithium battery have direct relation, can cause capacity to descend when temperature is lower than certain value, find in actual applications, and battery recycles at low temperatures and shortens the useful life that will inevitably cause dynamic lithium battery.Consider to substitute the variations in temperature of bringing season, be necessary to design the preceding pre-warmed device of charging under a kind of low temperature in the winter time, guarantee that dynamic lithium battery is in the charging stage temperature remains on the performance impact small range.Therefore, providing a kind of charging heating management circuit system of new-energy automobile electrokinetic cell, is one of these those skilled in the art problem that should address.
The utility model content
It is a kind of under cryogenic conditions that the purpose of this utility model is to provide, the charging heating management system of the new-energy automobile electrokinetic cell that can heat battery before charging.
For achieving the above object, the utility model has adopted following technical scheme: a kind of charging heating management system of new-energy automobile electrokinetic cell, comprise the heating management control unit, the input of heating management control unit links to each other with the ambient temperature observation circuit with power circuit respectively, the output of heating management control unit selects circuit to link to each other with the charging heating, the charging heating selects circuit respectively with first, two igbt transistors link to each other, first igbt transistor, high pressure input circuit and heater circuit are formed series loop, second igbt transistor, the high pressure input circuit becomes series loop with battery pack.
As shown from the above technical solution, the utility model can be gathered extraneous ambient temperature in real time when charging, when ambient temperature is crossed when low, the heating management control unit sends and controlling signal to the charging heating and select circuit, at this moment, the charging heating selects circuit to select battery is heated, stop charging, treat that ambient temperature raises, when reaching the temperature that suits battery operated, the charging heating selects circuit to stop the battery heating is begun charging.The utility model circuit is simple, reasonable in design, applicability is strong, and control operation is convenient; Low cost of manufacture, stable and reliable for performance, have wide range of applications.
Description of drawings
Fig. 1 is a circuit diagram of the present utility model.
Embodiment
A kind of charging heating management system of new-energy automobile electrokinetic cell, comprise heating management control unit 2, the input of heating management control unit 2 links to each other with ambient temperature observation circuit 3 with power circuit 1 respectively, the output of heating management control unit 2 selects circuit 6 to link to each other with the charging heating, the charging heating selects circuit 6 to link to each other with first and second igbt transistor respectively, first igbt transistor, high pressure input circuit 4 are formed series loop with heater circuit 7, and second igbt transistor, high pressure input circuit 4 become series loop with battery pack.Described power circuit 1 is a DC-DC power circuit 1, and described heater circuit 7 is positioned at Battery case, as shown in Figure 1.
As shown in Figure 1, described heating management control unit 2 is by central processor CPU, the ambient temperature sampling unit, high pressure monitoring collecting unit, charging control unit and add thermal control units and form, central processor CPU respectively with the ambient temperature sampling unit, high pressure monitoring collecting unit, charging control unit with add thermal control units and link to each other, the ambient temperature sampling unit links to each other with ambient temperature observation circuit 3, high pressure monitoring collecting unit links to each other charging control unit by high pressure observation circuit 5 with high pressure input circuit 4, adding thermal control units selects circuit 6 to link to each other with the charging heating.
As shown in Figure 1, described heater circuit 7 is by normally closed temperature detect switch (TDS) S1, ceramic heater RT1 and battery temperature detecting unit are formed, described battery temperature detecting unit links to each other with central processor CPU, described normally closed temperature detect switch (TDS) S1 connects with ceramic heater RT1, another termination high pressure input circuit 4 of normally closed temperature detect switch (TDS) S1, the other end of ceramic heater RT1 links to each other with the anode of counnter attack diode D1 by first igbt transistor, the negative electrode of counnter attack diode D1 links to each other with high pressure input circuit 4, second igbt transistor respectively with the anode of counnter attack diode D1, the negative pole of battery links to each other, and the positive pole of battery links to each other with high pressure input circuit 4.
When charger connects, by ambient temperature observation circuit 3 real-time testing environment temperature, and send a signal to the ambient temperature sampling unit of heating management control unit 2, heating management control unit 2 is taked corresponding control strategies according to observed temperature.When detecting ambient temperature and be lower than 5 ℃, heating management control unit 2 outputs control signals to the charging heating and selects circuit 5, the charging heating selects circuit 5 to open first igbt transistor, select circuit 5 to turn-off second igbt transistor by the charging heating simultaneously, after the first igbt transistor conducting, electric current heats battery pack through ceramic heater RT1 by normally closed temperature detect switch (TDS) S1 again.This moment, central processor CPU picked up counting, behind battery pack heating some minutes, automatically switch to charge mode, promptly open second igbt transistor, disconnect first igbt transistor, the flag bit of locking charging simultaneously, forbid heating once more, after Charger (portable round) disconnected, the charging flag bit was removed system reset.
When heating, if heater circuit 7 surface temperatures surpass 85 ℃,, stop heating, to guarantee heating safety by this heater circuit 7 of normally closed temperature detect switch (TDS) S1 automatic disconnection.When charger connected, central processor CPU can collect high pressure observation circuit 5, and charger connects, can automatically switch to charge mode; Otherwise the central processor CPU default system is a discharge condition, guarantees that first and second igbt transistor is a closed condition.
Claims (5)
1. management system is heated in the charging of a new-energy automobile electrokinetic cell, it is characterized in that: comprise heating management control unit (2), the input of heating management control unit (2) links to each other with ambient temperature observation circuit (3) with power circuit (1) respectively, the output of heating management control unit (2) selects circuit (6) to link to each other with the charging heating, the charging heating selects circuit (6) respectively with first, two igbt transistors link to each other, first igbt transistor, high pressure input circuit (4) is formed series loop, second igbt transistor with heater circuit (7), high pressure input circuit (4) becomes series loop with battery pack.
2. the charging heating management system of new-energy automobile electrokinetic cell according to claim 1, it is characterized in that: described heating management control unit (2) is by central processor CPU, the ambient temperature sampling unit, high pressure monitoring collecting unit, charging control unit and add thermal control units and form, central processor CPU respectively with the ambient temperature sampling unit, high pressure monitoring collecting unit, charging control unit with add thermal control units and link to each other, the ambient temperature sampling unit links to each other with ambient temperature observation circuit (3), high pressure monitoring collecting unit links to each other charging control unit by high pressure observation circuit (5) with high pressure input circuit (4), adding thermal control units selects circuit (6) to link to each other with the charging heating.
3. the charging heating management system of new-energy automobile electrokinetic cell according to claim 2, it is characterized in that: described heater circuit (7) is by normally closed temperature detect switch (TDS) S1, ceramic heater RT1 and battery temperature detecting unit are formed, described normally closed temperature detect switch (TDS) S1 connects with ceramic heater RT1, another termination high pressure input circuit (4) of normally closed temperature detect switch (TDS) S1, the other end of ceramic heater RT1 links to each other with the anode of counnter attack diode D1 by first igbt transistor, the negative electrode of counnter attack diode D1 links to each other with high pressure input circuit (4), second igbt transistor respectively with the anode of counnter attack diode D1, the negative pole of battery links to each other, and the positive pole of battery links to each other with high pressure input circuit (4).
4. according to the charging heating management system of claim 1 or 3 described new-energy automobile electrokinetic cells, it is characterized in that: described power circuit (1) is the DC-DC power circuit, and described heater circuit (7) is positioned at Battery case.
5. the charging heating management system of new-energy automobile electrokinetic cell according to claim 3, it is characterized in that: described battery temperature detecting unit links to each other with central processor CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206000125U CN201877852U (en) | 2010-11-10 | 2010-11-10 | Charging heating management system for new-energy automobile power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206000125U CN201877852U (en) | 2010-11-10 | 2010-11-10 | Charging heating management system for new-energy automobile power battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201877852U true CN201877852U (en) | 2011-06-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206000125U Expired - Fee Related CN201877852U (en) | 2010-11-10 | 2010-11-10 | Charging heating management system for new-energy automobile power battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201877852U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917452A (en) * | 2014-12-23 | 2015-09-16 | 张意铃 | Photovoltaic module and automatic cleaning device thereof |
| CN106289564A (en) * | 2016-07-25 | 2017-01-04 | 北京新能源汽车股份有限公司 | A kind of temperature sensing circuit of the electric heating system controller for electric automobile |
| CN115966793A (en) * | 2022-12-26 | 2023-04-14 | 深圳华晓科技有限公司 | Lithium battery charging and discharging control method and device under low temperature condition |
-
2010
- 2010-11-10 CN CN2010206000125U patent/CN201877852U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104917452A (en) * | 2014-12-23 | 2015-09-16 | 张意铃 | Photovoltaic module and automatic cleaning device thereof |
| CN106289564A (en) * | 2016-07-25 | 2017-01-04 | 北京新能源汽车股份有限公司 | A kind of temperature sensing circuit of the electric heating system controller for electric automobile |
| CN115966793A (en) * | 2022-12-26 | 2023-04-14 | 深圳华晓科技有限公司 | Lithium battery charging and discharging control method and device under low temperature condition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110622 Termination date: 20161110 |