CN109728368A - To the device of battery preheating under a kind of low temperature environment - Google Patents
To the device of battery preheating under a kind of low temperature environment Download PDFInfo
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- CN109728368A CN109728368A CN201910032230.9A CN201910032230A CN109728368A CN 109728368 A CN109728368 A CN 109728368A CN 201910032230 A CN201910032230 A CN 201910032230A CN 109728368 A CN109728368 A CN 109728368A
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- Prior art keywords
- battery
- management system
- battery management
- switching tube
- temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
To the device of battery preheating, including battery management system, battery, resistance, switching tube under a kind of low temperature environment, the battery, resistance, switching tube constitute electrical circuit；The battery management system is connected for receiving the pre- thermal signal that mobile terminal is sent, and according to the preheating Signal-controlled switch pipe, and battery is made to pass through conductive discharge.Due to remotely receiving pre- thermal signal by battery management system, according to preheating Signal-controlled switch pipe conducting, so that battery passes through conductive discharge, in discharge process, battery-heating temperature increases, so that battery reaches normal working condition, it can be used as power battery and normally start, and extend the service life of battery.
Description
Technical field
This application involves battery technology fields, and in particular to the device of battery preheating under a kind of low temperature environment.
Background technique
At any time electric car, electric bicycle it is universal, have further promotion to the performance of battery.Battery capacity and service life by
Temperature is affected, and battery uses problem more prominent at low ambient temperatures, and cell degradation speed is fastly even at low ambient temperatures
It is not available directly.
Summary of the invention
The application is provided to the device of battery preheating under a kind of low temperature environment, to solve cell degradation speed under low temperature environment
Not the problem of fastly and not being available.
According in a first aspect, to the device of battery preheating under providing a kind of low temperature environment in a kind of embodiment, feature exists
In, including battery management system, battery, resistance, switching tube, the battery, resistance, switching tube composition electrical circuit；The battery
Management system is connected for receiving the pre- thermal signal that mobile terminal is sent, and according to the preheating Signal-controlled switch pipe, makes battery
Pass through conductive discharge.
It preferably, further include temperature sensor, the temperature sensor is used to detect the temperature of the battery, and by temperature
Value feedback arrives battery management system；The temperature value that the battery management system is also used to detect temperature sensor with it is preset
Temperature value is compared, and when the temperature value detected is greater than preset temperature value, controls the switching tube cut-off.
Preferably, control APP, control APP are provided on the mobile terminal can be according to the instruction that user inputs pre-
If at the time of to battery management system send pre- thermal signal.
Preferably, the control APP can be sent at the time of default to battery management system according to the instruction that user inputs
Stop pre- thermal signal, control switch pipe ends after battery management system receives the pre- thermal signal of stopping.
Preferably, the switching tube is metal-oxide-semiconductor or triode.
Preferably, it when switching tube is connected, is also heated up by the conductive discharge, heats battery.
According to the device preheated under the low temperature environment of above-described embodiment to battery, due to remotely being connect by battery management system
Pre- thermal signal is received, according to preheating Signal-controlled switch pipe conducting, so that battery is by conductive discharge, and in discharge process, battery hair
Hot temperature increases, while resistance heating of also discharging so that battery reaches normal working condition it is normal to can be used as power battery
Starting, and extend the service life of battery.Further, it after vehicle does not have use for a long time, can also be controlled by the application
Battery suitably discharges, and prevents cell degradation.
Detailed description of the invention
Fig. 1 is the functional block diagram of one embodiment of device under the application low temperature environment to battery preheating；
Fig. 2 is the functional block diagram of another embodiment of device under the application low temperature environment to battery preheating.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.Wherein different embodiments
Middle similar component uses associated similar element numbers.In the following embodiments, many datail descriptions be in order to
The application is better understood.However, those skilled in the art can recognize without lifting an eyebrow, part of feature
It is dispensed, or can be substituted by other elements, material, method in varied situations.In some cases, this Shen
Please it is relevant it is some operation there is no in the description show or describe, this is the core in order to avoid the application by mistake
More descriptions are flooded, and to those skilled in the art, these relevant operations, which are described in detail, not to be necessary, they
Relevant operation can be completely understood according to the general technology knowledge of description and this field in specification.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
The general plotting of the application is to control battery by control signal to discharge by discharge resistance, when electric discharge pair
Battery itself is preheated, and is avoided the battery of low-temperature condition from being taken out conductance by force and is sent a telegraph pond overaging.
Embodiment one:
Referring to FIG. 1, under the application low temperature environment to battery preheating device, including battery management system 1, battery 2, resistance 3,
Switching tube 4, wherein battery 2, resistance 3, switching tube 4 constitute electrical circuit；Battery management system 1 is sent for receiving mobile terminal 5
Pre- thermal signal, which can be emitted by radio-frequency transmissions, can also be emitted by communications such as bluetooths, electricity
Pond management system 1 is connected according to the preheating Signal-controlled switch pipe 4, so that battery 2 is discharged by resistance 3, battery 2 is in discharge process
In its it is internal chemical reaction occur generate thermal energy, battery-heating temperature increases, so that battery reaches normal working condition.
In the present embodiment, switching tube 4 uses NMOS tube, and the grid of NMOS tube is connect with battery management system, NMOS tube
Source electrode and the cathode of battery connect, the drain electrode of NMOS tube connect with resistance 3.Battery management system defaults the grid to NMOS tube
Low level is exported, NMOS tube is in off state, when battery management system receives pre- thermal signal, by the electricity of the grid of NMOS tube
Horizontal drawing is high, NMOS transistor conduction, and battery is discharged by resistance 3.
In other embodiments, switching tube can also use PMOS tube, and triode etc. does not influence the realization of the application.
Embodiment two:
Referring to FIG. 2, also adding temperature sensor 6 on the basis of the present embodiment is shown in Fig. 1, temperature sensor 6 is for examining
The temperature of the battery 2 is surveyed, and temperature value is fed back to battery management system；Battery management system is also used to temperature sensor
The temperature value detected is compared with preset temperature value, when the temperature value detected is greater than preset temperature value, control
The switching tube cut-off.
In a preferred embodiment, the finger that control APP, control APP can be inputted according to user is provided on mobile terminal 5
It enables and sends pre- thermal signal to battery management system at the time of default, it can the time that pre- thermal signal is sent is arranged by APP.
In a preferred embodiment, control APP can according to user input instruction at the time of default to battery management system
System, which is sent, stops pre- thermal signal, and control switch pipe ends after battery management system receives the pre- thermal signal of stopping, it can passing through APP
Control stops the time of preheating.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (6)
1. to the device of battery preheating under a kind of low temperature environment, which is characterized in that including battery management system, battery, resistance, open
Guan Guan, the battery, resistance, switching tube constitute electrical circuit；The battery management system for receive mobile terminal send it is pre-
Thermal signal, and be connected according to the preheating Signal-controlled switch pipe, so that battery is passed through conductive discharge, in battery discharge procedure in battery
Chemical reaction fever, which occurs, for portion increases battery temperature.
2. the device preheated as described in claim 1, which is characterized in that it further include temperature sensor, the temperature sensor
It feeds back for detecting the temperature of the battery, and by temperature value to battery management system；The battery management system be also used to by
The temperature value that temperature sensor detects is compared with preset temperature value, when the temperature value detected is greater than preset temperature
When value, the switching tube cut-off is controlled.
3. the device preheated as described in claim 1, which is characterized in that be provided with control APP, the control on the mobile terminal
APP processed can send pre- thermal signal to battery management system at the time of default according to the instruction that user inputs.
4. the device preheated as described in claim 1, which is characterized in that the instruction that the control APP can be inputted according to user
It is sent at the time of default to battery management system and stops pre- thermal signal, battery management system controls after receiving the pre- thermal signal of stopping
Switching tube cut-off.
5. the device preheated as described in claim 1, which is characterized in that the switching tube is metal-oxide-semiconductor or triode.
6. the device preheated as described in claim 1, which is characterized in that when switching tube is connected, also pass through the conductive discharge
Battery is heated in heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032230.9A CN109728368A (en) | 2019-01-14 | 2019-01-14 | To the device of battery preheating under a kind of low temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032230.9A CN109728368A (en) | 2019-01-14 | 2019-01-14 | To the device of battery preheating under a kind of low temperature environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109728368A true CN109728368A (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910032230.9A Pending CN109728368A (en) | 2019-01-14 | 2019-01-14 | To the device of battery preheating under a kind of low temperature environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114286945A (en) * | 2019-11-13 | 2022-04-05 | 株式会社Lg新能源 | Forced discharge test equipment and forced discharge test method |
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| CN103051026A (en) * | 2012-12-21 | 2013-04-17 | 上海恒动汽车电池有限公司 | Lithium ion battery pack charge heating system and heating method |
| CN104835994A (en) * | 2014-10-10 | 2015-08-12 | 北汽福田汽车股份有限公司 | Electric vehicle, heating control method and heating control apparatus of power battery of the electric vehicle |
| CN105375087A (en) * | 2015-12-22 | 2016-03-02 | 哈尔滨理工大学 | Low-temperature preheating system for battery pack of electric vehicle and control method of low-temperature preheating system |
| KR20160032072A (en) * | 2016-03-09 | 2016-03-23 | 주식회사 엘지화학 | Apparatus for controlling secondary battery pack to improve a performance in low-temperature environment |
| CN105529508A (en) * | 2014-06-30 | 2016-04-27 | 比亚迪股份有限公司 | Battery heating system, battery device and electric vehicle |
| CN207182131U (en) * | 2017-07-12 | 2018-04-03 | 潍柴动力股份有限公司 | A kind of long-range pre-heating system of electrokinetic cell |
| CN108899613A (en) * | 2018-06-01 | 2018-11-27 | 合肥国轩高科动力能源有限公司 | A kind of self-heating circuit of power battery |
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2019
- 2019-01-14 CN CN201910032230.9A patent/CN109728368A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120032218A (en) * | 2010-09-28 | 2012-04-05 | 주식회사 엘지화학 | Apparatus for controlling secondary battery pack to improve a performance in low-temperature environment |
| CN103051026A (en) * | 2012-12-21 | 2013-04-17 | 上海恒动汽车电池有限公司 | Lithium ion battery pack charge heating system and heating method |
| CN105529508A (en) * | 2014-06-30 | 2016-04-27 | 比亚迪股份有限公司 | Battery heating system, battery device and electric vehicle |
| CN104835994A (en) * | 2014-10-10 | 2015-08-12 | 北汽福田汽车股份有限公司 | Electric vehicle, heating control method and heating control apparatus of power battery of the electric vehicle |
| CN105375087A (en) * | 2015-12-22 | 2016-03-02 | 哈尔滨理工大学 | Low-temperature preheating system for battery pack of electric vehicle and control method of low-temperature preheating system |
| KR20160032072A (en) * | 2016-03-09 | 2016-03-23 | 주식회사 엘지화학 | Apparatus for controlling secondary battery pack to improve a performance in low-temperature environment |
| CN207182131U (en) * | 2017-07-12 | 2018-04-03 | 潍柴动力股份有限公司 | A kind of long-range pre-heating system of electrokinetic cell |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114286945A (en) * | 2019-11-13 | 2022-04-05 | 株式会社Lg新能源 | Forced discharge test equipment and forced discharge test method |
| CN114286945B (en) * | 2019-11-13 | 2023-10-13 | 株式会社Lg新能源 | Forced discharge test apparatus and forced discharge test method |
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Application publication date: 20190507 |
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