CN113659664A - Charging device with carbon fiber heater and charging method - Google Patents
Charging device with carbon fiber heater and charging method Download PDFInfo
- Publication number
- CN113659664A CN113659664A CN202110877044.2A CN202110877044A CN113659664A CN 113659664 A CN113659664 A CN 113659664A CN 202110877044 A CN202110877044 A CN 202110877044A CN 113659664 A CN113659664 A CN 113659664A
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- charging
- batteries
- temperature
- heat exchange
- carbon fiber
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 48
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 48
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 239000000110 cooling liquid Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
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Classifications
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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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
-
- 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
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- 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 charging device with a carbon fiber heater and a charging method. The carbon fiber heater fully utilizes the characteristics of high thermal efficiency and high heat conductivity of the carbon fiber heater, and is used for heating the battery pack, so that the problem of over-low temperature of the battery pack during charging is solved; the carbon fiber material is used for heat transfer, so that the heat conductivity is good, and the weight is light; the battery pack charging is combined with temperature detection to be charged in a split-row mode, the charging structure is simple, a plurality of voltage transformation functions are not needed, the heating effect of the single row can be used for heating the surrounding batteries when the batteries are charged, the heating effect of the charging can be utilized to improve the temperature of the whole battery pack only by heating the row of batteries, and the energy is saved. The charging cover and the battery pack are arranged on the same part of the shell, the heat conduction cover of the shell is taken down during charging, the charging can be carried out by replacing the charging cover, the steps are simple, the heat conduction cover can have a good heat conduction effect when the battery is used at ordinary times, and the service life of the battery is influenced due to the fact that the battery is overheated during use.
Description
Technical Field
The invention relates to the field of electric appliance control, in particular to a charging system, and particularly relates to a charging device with a carbon fiber heater and a charging method.
Background
The requirement on the temperature is high in the process of charging the battery, the low charging efficiency and high loss of the battery can be caused by the excessively low temperature, and the service life of the battery is easily influenced; some solutions in the prior art use a way of heating the entire battery for charging.
For example, the application number CN201710919355.4 discloses a constant-temperature battery charging device, which comprises a box body and a box cover, wherein the box body is formed by laminating an inner box body and an outer box body, and a gap is arranged between the inner box body and the outer box body; the inner box body is provided with a built-in charging hole, and the outer box body is provided with an external wiring port connected with the built-in charging hole; the battery constant-temperature charging device further comprises a cooling system, wherein the cooling system comprises a cooling liquid inlet, a cooling liquid outlet and a flow passage, the cooling liquid inlet and the cooling liquid outlet are formed in the outer box body, the flow passage is used for allowing cooling liquid to flow from the cooling liquid inlet to the cooling liquid outlet through the flow passage, and the flow passage is formed by a gap between the outer box body and the inner box body.
Application number CN201610239057.6 discloses a multi-functional charging device of anti low temperature, its body is the hollow structure of cuboid, the body is inside to be equipped with 3 to 4 battery compartments of arranging side by side on the coplanar, the top of body is equipped with heating device, body length direction's rear end is equipped with power input interface, the front end is equipped with the flashlight lighting head of power output interface and embedding body, this is internal still to be equipped with control module, control module and power input interface, battery compartment and power output interface connection. The charging device solves the problems that the charging device in the prior art has single function and cannot meet the requirement of battery charging in a low-temperature state; the method has low control precision on charging, and easily causes overheating of the battery in the heating process, thereby causing danger.
Disclosure of Invention
In view of the above, in order to solve the above problems, there is provided a charging device having a carbon fiber heater, including a charging cover, a charging manager, the carbon fiber heater, a charging electrode switch, and a temperature sensor; the charging manager, the carbon fiber heater, the charging electrode switch and the temperature sensor are all arranged on the charging cover; the carbon fiber heater, the charging electrode switch and the temperature sensor are connected with a charging manager, and the charging manager is connected with a power supply;
the battery pack to be charged comprises a heat exchange base, a heat exchange cover and a plurality of rechargeable batteries; the heat exchange base is in a grid shape, the rechargeable batteries are placed in the grid, the rechargeable batteries in the same row are connected in parallel, and the rechargeable batteries in the same row are connected in series, so that the voltages of the rechargeable batteries in different rows are ensured to be the same; the shape of the heat exchange cover is the same as that of the heat exchange base, but the opening direction is opposite, so that when the heat exchange base is buckled with the heat exchange cover, the rechargeable battery is just accommodated in the heat exchange cover; the heat exchange base and the heat exchange cover cap can be separated, the rechargeable battery is fixedly connected with the heat exchange base, and the rechargeable battery is detachably connected with the heat exchange cover cap; the positive electrode and the negative electrode of the rechargeable battery are arranged at one end connected with the heat exchange cover cap, and the heat exchange cover cap completes series-parallel connection of the batteries;
the shape of the charging cover cap is the same as that of the heat exchange cover cap, so that the charging can be carried out by taking down the heat exchange cover cap and installing the charging cover cap;
a carbon fiber heater and a charging electrode switch are arranged in the charging cover cap, so that the charging cover cap has heating and charging functions; the carbon fiber heaters and the charging electrode switches are arranged in a plurality, and the charging cover covers can be buckled on the heat exchange base in a mode that each row of batteries can be heated independently and can be charged independently;
the temperature sensors are respectively arranged at the positions corresponding to each row of batteries in the charging cover and used for detecting the temperature of each row of rechargeable batteries;
the heat exchange base and the heat exchange cover are made of carbon fiber materials, the weight is light, and the heat conduction direction of the carbon fibers is perpendicular to the extending direction of each row of batteries, so that the batteries among different rows have good temperature exchange.
Temperature thresholds are arranged in the charging manager, and comprise a lowest temperature threshold T1 and a highest temperature threshold T2; and when the temperature of a certain column of batteries is lower than the lowest temperature threshold or higher than the highest temperature threshold, the charging manager controls the corresponding charging electrode switch to be closed, and stops charging of the corresponding column of batteries.
And a power supply electrode is arranged in the heat exchange cover cap and used for ensuring that the battery pack supplies power to the outside.
A method of charging with a charging device having a carbon fiber heater, comprising the steps of:
step one, when the battery pack needs to be charged, taking down a heat exchange cover cap of the battery pack, installing a charging cover cap, starting a switch of a charging manager, and starting a charging process;
step two, the charging manager starts to detect the temperature of the batteries in each row of the battery pack and judges whether the temperature is between T1 and T2; since the batteries are in a uniform state before charging, the temperature of the batteries of the entire battery pack is the same; if the temperature is above T2, then waiting for the battery pack temperature to drop below T2 and greater than T1 to charge the batteries of all the rows directly until the batteries are fully charged;
if the temperature lies between T1 and T2, then the batteries of all ranks are charged directly until the batteries are fully charged;
if the temperature is lower than T1, executing step three;
step three, the charging manager detects the temperature of the batteries in one column in the center of the battery pack in real time, and starts a carbon fiber heater corresponding to the battery pack in the middle column to heat until the temperature of the batteries in the middle column is between T1 and T2, and then the charging manager starts to charge the batteries in the column;
in the charging process, as the batteries in the middle row can generate heat, the heat is transferred to the periphery from the heat conduction base, so that the temperature of the batteries at the periphery is increased;
the charging manager detects the temperature of the surrounding batteries in real time, if the temperature is between T1 and T2, the charging manager starts to charge the batteries of the corresponding row, and the heat of the batteries of the row is continuously transmitted to other surrounding batteries;
and step four, if the battery temperature of the adjacent column is not enough to be between T1 and T2 after a certain column of batteries is fully charged by 80%, starting the carbon fiber heater of the adjacent column with low temperature for auxiliary heating, so that after the temperature of the corresponding column is between T1 and T2, the charging manager starts to charge the batteries of the corresponding column until all the batteries of the column are fully charged.
When the batteries of all the rows are directly charged in the step two, if the average temperature of the battery pack is lower than the intermediate temperature of T1 and T2, the batteries are directly charged; if the average temperature of the battery pack is higher than the intermediate temperature of T1 and T2, an odd-numbered column and an even-numbered column are intermittently charged, the odd-numbered column is charged first, the odd-numbered column is charged temporarily after the electric quantity of the odd-numbered column is increased by 10%, the even-numbered column is charged temporarily after the electric quantity of the even-numbered column is increased by 10%, the odd-numbered column is charged, and the like until the battery pack is fully charged.
The invention has the beneficial effects that:
the carbon fiber heater fully utilizes the characteristics of high thermal efficiency and high heat conductivity of the carbon fiber heater, and is used for heating the battery pack, so that the problem of low temperature of the battery pack during charging is solved; the carbon fiber material is used for heat transfer, so that the heat conductivity is good, and the weight is light;
the battery pack charging is combined with temperature detection to be charged in a split-row mode, the charging structure is simple, a plurality of voltage transformation functions are not needed, the heating effect of the single row can be used for heating the surrounding batteries when the batteries are charged, the heating effect of the charging can be utilized to improve the temperature of the whole battery pack only by heating the row of batteries, and the energy is saved. The mode of breaking up the whole into parts not only ensures the accurate control of the charging temperature, but also simplifies the structure of the charger.
The charging cover and the battery pack are arranged on the same part of the shell, the heat conduction cover of the shell is taken down during charging, the charging can be carried out by replacing the charging cover, the steps are simple, the heat conduction cover can have a good heat conduction effect when the battery is used at ordinary times, and the service life of the battery is influenced due to the fact that the battery is overheated during use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosed subject matter, are incorporated in and constitute a part of this specification. The drawings illustrate the implementations of the disclosed subject matter and, together with the detailed description, serve to explain the principles of implementations of the disclosed subject matter. No attempt is made to show structural details of the disclosed subject matter in more detail than is necessary for a fundamental understanding of the disclosed subject matter and various modes of practicing the same.
FIG. 1 is a schematic diagram of the present invention;
fig. 2 is a schematic structural diagram of the charging cover according to the present invention.
Detailed Description
The advantages, features and methods of accomplishing the same will become apparent from the drawings and the detailed description that follows.
Example 1:
referring to fig. 1-2, a charging device with a carbon fiber heater includes a charging cover 1, a charging manager 2, a carbon fiber heater, a charging electrode switch, and a temperature sensor; the charging manager 2, the carbon fiber heater, the charging electrode switch and the temperature sensor are all arranged on the charging cover cap 1; the carbon fiber heater, the charging electrode switch and the temperature sensor are connected with the charging manager 2, and the charging manager 2 is connected with a power supply;
the battery pack to be charged comprises a heat exchange base 3, a heat exchange cover 4 and a plurality of rechargeable batteries; the heat exchange base 3 is in a grid shape, the rechargeable batteries are arranged in the grid, the rechargeable batteries in the same row are connected in parallel, and the rechargeable batteries in the same row are connected in series, so that the voltages of the rechargeable batteries in different rows are ensured to be the same; the shape of the heat exchange cover 4 is the same as that of the heat exchange base 3, but the opening direction is opposite, so that when the heat exchange base 3 and the heat exchange cover 4 are buckled, a rechargeable battery is just accommodated in the heat exchange cover; the heat exchange base 3 and the heat exchange cover cap 4 can be separated, the rechargeable battery is fixedly connected with the heat exchange base 3, and the rechargeable battery is detachably connected with the heat exchange cover cap 4; the positive pole and the negative pole of the rechargeable battery are arranged at one end connected with the heat exchange cover cap 4, and the heat exchange cover cap 4 completes the series-parallel connection of the batteries;
the shape of the charging cover cap 1 is the same as that of the heat exchange cover cap 4, so that the charging can be carried out by taking down the heat exchange cover cap 4 and installing the charging cover cap 1;
a carbon fiber heater and a charging electrode switch are arranged in the charging cover cap 1, so that the charging cover cap 1 has heating and charging functions; the number of the carbon fiber heaters and the number of the charging electrode switches are multiple, and the arrangement mode of the carbon fiber heaters and the charging electrode switches enables each row of batteries to be heated independently when the charging cover 1 is buckled on the heat exchange base 3, and the charging cover 1 can charge each row of batteries independently;
the plurality of temperature sensors are respectively arranged at the positions corresponding to each row of batteries in the charging cover 1 and used for detecting the temperature of each row of rechargeable batteries;
the heat exchange base 3 and the heat exchange cover 4 are made of carbon fiber materials, the weight is light, and the heat conduction direction of the carbon fiber is perpendicular to the extending direction of each row of batteries, so that the batteries in different rows have good temperature exchange.
Temperature thresholds are arranged in the charging manager 2, and comprise a lowest temperature threshold T1 and a highest temperature threshold T2; when the temperature of a certain column of batteries is lower than the lowest temperature threshold or higher than the highest temperature threshold, the charging manager 2 controls the corresponding charging electrode switch to be closed, and stops charging of the corresponding column of batteries.
And a power supply electrode is arranged in the heat exchange cover 4 and used for ensuring that the battery pack supplies power to the outside.
Example 2:
a method of charging with a charging device having a carbon fiber heater, comprising the steps of:
step one, when the battery pack needs to be charged, the heat exchange cover 4 of the battery pack is taken down, the charging cover 1 is installed, the switch of the charging manager 2 is started, and the charging process is started;
step two, the charging manager 2 starts to detect the temperature of the batteries in each row of the battery pack and judges whether the temperature is between T1 and T2; since the batteries are in a uniform state before charging, the temperature of the batteries of the entire battery pack is the same; if the temperature is above T2, then waiting for the battery pack temperature to drop below T2 and greater than T1 to charge the batteries of all the rows directly until the batteries are fully charged;
if the temperature lies between T1 and T2, then the batteries of all ranks are charged directly until the batteries are fully charged;
if the temperature is lower than T1, executing step three;
step three, the charging manager 2 detects the temperature of the batteries in one column in the center of the battery pack in real time, and starts a carbon fiber heater corresponding to the battery pack in the middle column to heat until the temperature of the batteries in the middle column is between T1 and T2, and then the charging manager 2 starts to charge the batteries in the column;
in the charging process, as the batteries in the middle row can generate heat, the heat is transferred to the periphery from the heat conduction base, so that the temperature of the batteries at the periphery is increased;
the charging manager 2 detects the temperature of the surrounding batteries in real time, and if the temperature is between T1 and T2, the charging manager 2 starts charging the batteries in the corresponding row, and the heat generated by the batteries in the row is continuously transmitted to other surrounding batteries;
and step four, if the battery temperature of the adjacent column is not enough to be between T1 and T2 after a certain column of batteries is fully charged by 80%, starting the carbon fiber heater of the adjacent column with low temperature for auxiliary heating, so that after the temperature of the corresponding column is between T1 and T2, the charging manager 2 starts to charge the batteries of the corresponding column until all the batteries of the column are fully charged.
When the batteries of all the rows are directly charged in the step two, if the average temperature of the battery pack is lower than the intermediate temperature of T1 and T2, the batteries are directly charged; if the average temperature of the battery pack is higher than the intermediate temperature of T1 and T2, an odd-numbered column and an even-numbered column are intermittently charged, the odd-numbered column is charged first, the odd-numbered column is charged temporarily after the electric quantity of the odd-numbered column is increased by 10%, the even-numbered column is charged temporarily after the electric quantity of the even-numbered column is increased by 10%, the odd-numbered column is charged, and the like until the battery pack is fully charged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. A charging device with a carbon fiber heater comprises a charging cover (1), a charging manager (2), the carbon fiber heater, a charging electrode switch and a temperature sensor; the method is characterized in that: the charging manager (2), the carbon fiber heater, the charging electrode switch and the temperature sensor are all arranged on the charging cover (1); the carbon fiber heater, the charging electrode switch and the temperature sensor are connected with the charging manager (2), and the charging manager (2) is connected with a power supply;
the battery pack to be charged comprises a heat exchange base (3), a heat exchange cover (4) and a plurality of rechargeable batteries; the interior of the heat exchange base (3) is in a grid shape, the rechargeable batteries are placed in the grid, the rechargeable batteries in the same row are connected in parallel, and the rechargeable batteries in the same column are connected in series, so that the voltages of the rechargeable batteries in different columns are ensured to be the same; the shape of the heat exchange cover (4) is the same as that of the heat exchange base (3) but the opening direction is opposite, so that when the heat exchange base (3) and the heat exchange cover (4) are buckled, a rechargeable battery is just accommodated in the heat exchange cover; the heat exchange base (3) and the heat exchange cover cap (4) can be separated, the rechargeable battery is fixedly connected with the heat exchange base (3), and the rechargeable battery is detachably connected with the heat exchange cover cap (4); the positive electrode and the negative electrode of the rechargeable battery are arranged at one end connected with the heat exchange cover cap (4), and the heat exchange cover cap (4) completes the series-parallel connection of the batteries;
the shape of the charging cover (1) is the same as that of the heat exchange cover (4), so that the charging can be carried out by taking down the heat exchange cover (4) and installing the charging cover (1);
a carbon fiber heater and a charging electrode switch are arranged in the charging cover (1), so that the charging cover (1) has heating and charging functions; the number of the carbon fiber heaters and the number of the charging electrode switches are multiple, and the arrangement mode of the carbon fiber heaters and the charging electrode switches enables each row of batteries to be heated independently when the charging cover (1) is buckled on the heat exchange base (3), and the charging cover (1) can charge each row of batteries independently;
the number of the temperature sensors is multiple, the temperature sensors are respectively arranged at the positions corresponding to each row of batteries in the charging cover (1) and are used for detecting the temperature of each row of rechargeable batteries.
2. The charging device with the carbon fiber heater as set forth in claim 1, wherein:
the heat exchange base (3) and the heat exchange cover cap (4) are made of carbon fiber materials, the weight is light, and the heat conduction direction of the carbon fiber is perpendicular to the extending direction of each row of batteries, so that the batteries in different rows have good temperature exchange.
3. The charging device with the carbon fiber heater as set forth in claim 1, wherein:
temperature thresholds are arranged in the charging manager (2), and comprise a lowest temperature threshold T1 and a highest temperature threshold T2; when the temperature of a certain column of batteries is lower than the lowest temperature threshold or higher than the highest temperature threshold, the charging manager (2) controls the corresponding charging electrode switch to be closed, and stops charging of the corresponding column of batteries.
4. The charging device with the carbon fiber heater as set forth in claim 1, wherein: and a power supply electrode is arranged in the heat exchange cover cap (4) and is used for ensuring that the battery pack supplies power to the outside.
5. A method of charging using the charging device with a carbon fiber heater of any one of claims 1 to 4, characterized by comprising the steps of:
step one, when the battery pack needs to be charged, a heat exchange cover (4) of the battery pack is taken down, a charging cover (1) is installed, a switch of a charging manager (2) is started, and a charging process is started;
step two, the charging manager (2) starts to detect the temperature of the batteries in each row of the battery pack and judges whether the temperature is between T1 and T2; since the batteries are in a uniform state before charging, the temperature of the batteries of the entire battery pack is the same; if the temperature is above T2, then waiting for the battery pack temperature to drop below T2 and greater than T1 to charge the batteries of all the rows directly until the batteries are fully charged;
if the temperature lies between T1 and T2, then the batteries of all ranks are charged directly until the batteries are fully charged; if the temperature is lower than T1, executing step three;
step three, the charging manager (2) detects the temperature of the batteries in one column in the center of the battery pack in real time, and starts a carbon fiber heater corresponding to the battery pack in the middle column to heat until the temperature of the batteries in the middle column is between T1 and T2, and then the charging manager (2) starts to charge the batteries in the column;
in the charging process, as the batteries in the middle row can generate heat, the heat is transferred to the periphery from the heat conduction base, so that the temperature of the batteries at the periphery is increased;
the charging manager (2) detects the temperature of the surrounding batteries in real time, if the temperature is between T1 and T2, the charging manager (2) starts to charge the batteries of the corresponding row, and the heat of the batteries of the row is continuously transmitted to other surrounding batteries;
and step four, if the battery temperature of the adjacent column is not enough to be between T1 and T2 after a certain column of batteries is fully charged by 80%, starting the carbon fiber heater of the adjacent column with low temperature for auxiliary heating, so that after the temperature of the corresponding column is between T1 and T2, the charging manager (2) starts to charge the batteries of the corresponding column until all the batteries of the column are fully charged.
6. The charging method according to claim 5, characterized in that:
when the batteries of all the rows are directly charged in the step two, if the average temperature of the battery pack is lower than the intermediate temperature of T1 and T2, the batteries are directly charged; if the average temperature of the battery pack is higher than the intermediate temperature of T1 and T2, an odd-numbered column and an even-numbered column are intermittently charged, the odd-numbered column is charged first, the odd-numbered column is charged temporarily after the electric quantity of the odd-numbered column is increased by 10%, the even-numbered column is charged temporarily after the electric quantity of the even-numbered column is increased by 10%, the odd-numbered column is charged, and the like until the battery pack is fully charged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110877044.2A CN113659664A (en) | 2021-07-31 | 2021-07-31 | Charging device with carbon fiber heater and charging method |
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| CN202110877044.2A CN113659664A (en) | 2021-07-31 | 2021-07-31 | Charging device with carbon fiber heater and charging method |
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| CN110021794A (en) * | 2018-01-08 | 2019-07-16 | 罗伯特·博世有限公司 | Electric vehicle and its battery pack system, the method to charge to battery pack system |
| CN209375165U (en) * | 2018-12-19 | 2019-09-10 | 上海斡嘉电源科技有限公司 | A kind of battery charger containing heating system |
-
2021
- 2021-07-31 CN CN202110877044.2A patent/CN113659664A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014049427A (en) * | 2012-09-04 | 2014-03-17 | Toshiba Corp | Battery pack |
| CN104935041A (en) * | 2015-06-15 | 2015-09-23 | 遵义市义阳光电有限公司 | Solar charging hand warming bag |
| CN206432351U (en) * | 2017-02-08 | 2017-08-22 | 东莞市云帆电子科技有限公司 | A kind of lithium battery that can be used in low temperature environment |
| CN107154522A (en) * | 2017-06-28 | 2017-09-12 | 苏州极目机器人科技有限公司 | Battery pack charging incubator |
| CN108039528A (en) * | 2017-12-05 | 2018-05-15 | 银隆新能源股份有限公司 | Battery component charge control method and battery component |
| CN110021794A (en) * | 2018-01-08 | 2019-07-16 | 罗伯特·博世有限公司 | Electric vehicle and its battery pack system, the method to charge to battery pack system |
| CN209375165U (en) * | 2018-12-19 | 2019-09-10 | 上海斡嘉电源科技有限公司 | A kind of battery charger containing heating system |
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