CN112687985A - Liquid cooling battery of electric motorcycle - Google Patents
Liquid cooling battery of electric motorcycle Download PDFInfo
- Publication number
- CN112687985A CN112687985A CN202011626807.8A CN202011626807A CN112687985A CN 112687985 A CN112687985 A CN 112687985A CN 202011626807 A CN202011626807 A CN 202011626807A CN 112687985 A CN112687985 A CN 112687985A
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- CN
- China
- Prior art keywords
- temperature sensor
- temperature
- electric core
- battery pack
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000001816 cooling Methods 0.000 title claims description 9
- 239000007788 liquid Substances 0.000 title description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 239000000110 cooling liquid Substances 0.000 claims abstract description 18
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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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- Battery Mounting, Suspending (AREA)
Abstract
本发明公开了一种电动摩托车技术领域的电动摩托车液冷电池，包括密封箱体、控制器元件和电芯组，电芯组由多个个体电芯组成，密封箱体内注有绝缘冷却液，电芯组整体浸泡在绝缘冷却液中，多个个体电芯之间设有间隙，电芯组内设有第一温度传感器，第一温度传感器和电芯组的充电电路串联，还包括有加热电路，加热电路与电芯组的充电电路并联，加热电路上串联有第二温度传感器，第一温度传感器为负温度系数，第二温度传感器为正温度系数；本发明相较于现有技术的有益效果为常温下使用可以使得电芯组散热更好，温度更加的均匀，低温情况下也能够很好的保证电芯组的正常充电和工作，非常的方便。
The invention discloses a liquid-cooled battery for electric motorcycles in the technical field of electric motorcycles, comprising a sealed box body, a controller element and a battery cell group. The battery pack as a whole is immersed in the insulating cooling liquid, a gap is arranged between the individual cells, a first temperature sensor is arranged in the battery pack, and the first temperature sensor is connected in series with the charging circuit of the battery pack, and also includes There is a heating circuit, the heating circuit is connected in parallel with the charging circuit of the battery pack, a second temperature sensor is connected in series on the heating circuit, the first temperature sensor has a negative temperature coefficient, and the second temperature sensor has a positive temperature coefficient; The beneficial effect of the technology is that the battery pack can be used at room temperature to dissipate heat better, the temperature is more uniform, and the normal charging and working of the battery pack can also be well ensured at low temperature, which is very convenient.
Description
Technical Field
The invention relates to the technical field of electric motorcycles, in particular to a liquid-cooled battery of an electric motorcycle.
Background
The electric motorcycle electric core group provides the energy source for equipment, and the lithium ion electric core group is higher to the sensitivity of temperature, and its charge-discharge capacity, circulation life, security etc. directly receive the influence of temperature. When lithium ion core group operational environment temperature is higher, the chemical activity of electric core group material improves to some extent, and then leads to the discharge capacity of electric core group to have certain promotion, nevertheless also can lead to the ageing fast of electric core group material to accelerate simultaneously, and electric core group polarizes seriously, and the rapid decay of cycle life.
The existing electric core group heat dissipation mode is usually provided with an air opening on the electric core group or the electric core group box wall, and a fan is arranged in the electric core group box to dissipate heat of the electric core group module, and under the condition of lower temperature in winter, the lithium electric core group is easy to have the condition of being not charged or not working directly.
In summary, the inventor proposes a liquid-cooled battery for an electric motorcycle.
Disclosure of Invention
The liquid cooling electric core assembly of the electric motorcycle solves the problems that the electric core assembly of the electric motorcycle cannot work due to the fact that the electric core assembly of the electric motorcycle is poor in heat dissipation and cannot charge electricity under the condition of low temperature in the prior art.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a liquid cooling battery of an electric motorcycle comprises a sealing box body, a controller element and an electric core group, wherein the electric core group consists of a plurality of individual electric cores, insulating cooling liquid is injected into the sealing box body, the electric core group is wholly soaked in the insulating cooling liquid, gaps are arranged among the individual electric cores, a first temperature sensor is arranged in the electric core group, the first temperature sensor is connected with a charging circuit of the electric core group in series, the liquid cooling battery also comprises a heating circuit, the heating circuit is connected with the charging circuit of the electric core group in parallel, a second temperature sensor is connected on the heating circuit in series, the first temperature sensor is a negative temperature coefficient, and the second temperature sensor is a positive temperature coefficient; the electric core group is soaked in the insulating cooling liquid, so that the insulating cooling liquid can rapidly conduct heat generated in the discharging process of the electric core group in the insulating cooling liquid for rapid heat exchange, a gap is formed between the individual electric cores, the temperature of a main heating part of the electric core group can be rapidly dissipated, the electric core group can be well dissipated, in winter, the electric core group cannot be charged or cannot work due to too low temperature, the heating circuit is connected with the first temperature sensor in parallel, the first temperature sensor is connected with the charging circuit of the electric core group in series, when the electric core group is communicated and charged, as the first temperature sensor is a temperature sensor with a negative temperature coefficient, the lower the temperature is, the higher the resistance is, the larger the resistance is, the second temperature sensor is a temperature sensor with a positive temperature coefficient, the lower temperature is small, the current can be directly communicated with the heating circuit through the heating circuit, heating circuit can heat insulating coolant liquid for insulating coolant liquid heaies up, thereby drive the temperature rise of electric core group, along with the temperature rise of electric core group, first temperature sensor's resistance reduces, and the charging circuit that the electric current can communicate the electric core group charges for the electric core group, fine like this avoided the electric core group not advance the problem of charging winter, and the temperature rise also can make the electric core group work more stable, unusual convenience.
Further limiting, the heating circuit is arranged at the bottom of the sealed box body; the heating circuit is arranged at the bottom of the sealed box body, so that the heating starting position is the bottom of the insulating cooling liquid, the heat is conducted upwards, the heat is conducted more quickly, and the efficiency is higher.
Further limiting, the outside of the sealed box body is provided with a heat dissipation rib; the heat dissipation ribs are arranged outside the sealing box body, so that the heat exchange effect between the sealing box body and the outside is better, and the heat dissipation effect is better.
Further, the sealed box body is a sealed alloy box body. The thermal conductivity of the alloy box body is better.
Further, an electronic fan is arranged outside the sealed box body. The electronic fan can forcibly cool the sealed box body, particularly the heat dissipation ribs, so as to better achieve the cooling effect.
Compared with the prior art, the invention has the beneficial effects that the electric core assembly can radiate better and has more uniform temperature when used at normal temperature, and the normal charging and working of the electric core assembly can be ensured well under the condition of low temperature, thereby being very convenient.
Drawings
FIG. 1 is a simplified schematic illustration of the interior of a sealed enclosure;
FIG. 2 is a schematic circuit diagram of the working principle of the electric core group;
fig. 3 is a schematic structural view of a sealed case.
The designations in the figures correspond respectively to: 1-a sealed box body, 11-a heat dissipation rib, 2-an electric core group, 3-insulating cooling liquid, 4-a charging circuit, 41-a first temperature sensor, 5-a heating circuit and 51-a second temperature sensor.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
Example (b):
as shown in fig. 1-3, a liquid-cooled battery for an electric motorcycle comprises a sealed box 1, a controller element and an electric core set 2, wherein the electric core set 2 is composed of a plurality of individual electric cores, an insulating cooling liquid 3 is injected into the sealed box 1, the electric core set 2 is wholly soaked in the insulating cooling liquid 3, gaps are arranged among the individual electric cores, a first temperature sensor 41 is arranged in the electric core set 2, the first temperature sensor 41 is connected in series with a charging circuit 4 of the electric core set 2, the liquid-cooled battery further comprises a heating circuit 5, the heating circuit 5 is connected in parallel with the charging circuit 4 of the electric core set 2, a second temperature sensor 51 is connected in series on the heating circuit 5, the first temperature sensor 41 has a negative temperature coefficient, and the second temperature sensor 51 has a positive temperature coefficient; the heating circuit 5 is arranged at the bottom of the sealed box body 1; the outside of the sealed box body 1 is provided with a heat dissipation rib 11, and further, in the optimized scheme, the sealed box body 1 is a sealed alloy box body, and the outside of the sealed box body 1 is also provided with an electronic fan.
The insulating cooling liquid 3 is soaked in the insulating cooling liquid 3, so that the insulating cooling liquid 3 can rapidly conduct heat generated in the discharging process of the electric core group 2 in the insulating cooling liquid 3 for rapid heat exchange, a gap is arranged between individual electric cores, the temperature of a main heating part of the electric core group 2 can be rapidly dissipated, the electric core group 2 is well dissipated, in winter, the electric core group 2 cannot be charged or cannot work due to too low temperature, the heating circuit 5 is connected with the first temperature sensor 41 in parallel, the first temperature sensor 41 is connected with the charging circuit of the electric core group 2 in series, when the electric core group 2 is communicated and charged, because the first temperature sensor 41 is a temperature sensor with a negative temperature coefficient, the lower the temperature is, the larger the resistance is, at the moment, because the resistance of the first temperature sensor 41 is too large, the second temperature sensor 51 is a temperature sensor with a positive temperature coefficient, at the moment, the temperature is low, the resistance is low, the current can directly communicate the heating circuit 5 through the heating circuit 5, the heating circuit 5 can heat the insulating cooling liquid 3, the insulating cooling liquid 3 is heated, the temperature of the electric core group 2 is driven to rise, along with the temperature rise of the electric core group 2, the resistance of the first temperature sensor 41 is reduced, the current can communicate the charging circuit 4 of the electric core group 2 to charge the electric core group 2, the problem that the electric core group 2 cannot be charged in winter is well solved, and the electric core group 2 can work more stably due to the temperature rise, so that the operation is very convenient; the heating circuit 5 is arranged at the bottom of the sealed box body 1, so that the heating starting position is the bottom of the insulating cooling liquid 3, and the heat is conducted upwards, so that the heat is conducted more quickly and more efficiently; the heat dissipation ribs are arranged outside the sealing box body 1, so that the heat exchange effect between the sealing box body 1 and the outside is better, and the heat dissipation effect is better.
Compared with the prior art, the invention has the beneficial effects that the electric core assembly can radiate better and has more uniform temperature when used at normal temperature, and the normal charging and working of the electric core assembly can be ensured well under the condition of low temperature, thereby being very convenient.
The liquid cooling electric core assembly of the electric motorcycle provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626807.8A CN112687985A (en) | 2020-12-31 | 2020-12-31 | Liquid cooling battery of electric motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626807.8A CN112687985A (en) | 2020-12-31 | 2020-12-31 | Liquid cooling battery of electric motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112687985A true CN112687985A (en) | 2021-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011626807.8A Pending CN112687985A (en) | 2020-12-31 | 2020-12-31 | Liquid cooling battery of electric motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112687985A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142122A (en) * | 2021-11-17 | 2022-03-04 | 上海悠遥科技有限公司 | Battery maintenance mechanism and maintenance method for new energy automobile |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120003516A1 (en) * | 2010-06-30 | 2012-01-05 | Nissan Technical Center North America, Inc. | Vehicle battery temperature control system and method |
| CN103187547A (en) * | 2011-12-31 | 2013-07-03 | 邵汉琦 | Battery temperature control box and temperature control device |
| CN206347426U (en) * | 2017-01-12 | 2017-07-21 | 厦门恒宇星光电科技有限公司 | A kind of Tunnel Lamp |
| CN107293825A (en) * | 2016-03-31 | 2017-10-24 | 朱罗泉 | A kind of power battery module constant temperature system |
| CN207938756U (en) * | 2018-03-01 | 2018-10-02 | 威马智慧出行科技（上海）有限公司 | Battery pack heat management module |
| CN211530133U (en) * | 2019-12-31 | 2020-09-18 | 广州高澜节能技术股份有限公司 | Immersed heat dissipation system |
| CN213936351U (en) * | 2020-12-31 | 2021-08-10 | 重庆黄河新能源汽车有限公司 | Liquid cooling battery of electric motorcycle |
-
2020
- 2020-12-31 CN CN202011626807.8A patent/CN112687985A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120003516A1 (en) * | 2010-06-30 | 2012-01-05 | Nissan Technical Center North America, Inc. | Vehicle battery temperature control system and method |
| CN103187547A (en) * | 2011-12-31 | 2013-07-03 | 邵汉琦 | Battery temperature control box and temperature control device |
| CN107293825A (en) * | 2016-03-31 | 2017-10-24 | 朱罗泉 | A kind of power battery module constant temperature system |
| CN206347426U (en) * | 2017-01-12 | 2017-07-21 | 厦门恒宇星光电科技有限公司 | A kind of Tunnel Lamp |
| CN207938756U (en) * | 2018-03-01 | 2018-10-02 | 威马智慧出行科技（上海）有限公司 | Battery pack heat management module |
| CN211530133U (en) * | 2019-12-31 | 2020-09-18 | 广州高澜节能技术股份有限公司 | Immersed heat dissipation system |
| CN213936351U (en) * | 2020-12-31 | 2021-08-10 | 重庆黄河新能源汽车有限公司 | Liquid cooling battery of electric motorcycle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114142122A (en) * | 2021-11-17 | 2022-03-04 | 上海悠遥科技有限公司 | Battery maintenance mechanism and maintenance method for new energy automobile |
| CN114142122B (en) * | 2021-11-17 | 2023-09-05 | 上海悠遥科技有限公司 | Battery maintenance mechanism and maintenance method for new energy automobile |
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