CN113131062A - Battery pack, vehicle and battery pack control method - Google Patents

Battery pack, vehicle and battery pack control method Download PDF

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Publication number
CN113131062A
CN113131062A CN201911369089.8A CN201911369089A CN113131062A CN 113131062 A CN113131062 A CN 113131062A CN 201911369089 A CN201911369089 A CN 201911369089A CN 113131062 A CN113131062 A CN 113131062A
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China
Prior art keywords
battery
battery pack
module
exhaust
temperature
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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
Application number
CN201911369089.8A
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Chinese (zh)
Inventor
刘亚娟
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Qoros Automotive Co Ltd
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Qoros Automotive Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qoros Automotive Co Ltd filed Critical Qoros Automotive Co Ltd
Priority to CN201911369089.8A priority Critical patent/CN113131062A/en
Publication of CN113131062A publication Critical patent/CN113131062A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/63Control systems
    • H01M10/635Control systems based on ambient temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6552Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561Gases
    • H01M10/6563Gases with forced flow, e.g. by blowers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a battery pack, a vehicle and a battery pack control method, wherein the battery pack comprises: a battery case; the battery module, the battery module sets up in the battery shell, just the battery module includes: the battery module comprises a module shell and a battery cell arranged in the module shell; and the high-temperature gas exhaust device is arranged in the battery shell and is respectively communicated with the space in the module shell and the external space so as to exhaust high-temperature gas generated when the battery core is out of control due to heat. According to the invention, the high-temperature gas exhaust device is arranged in the battery pack, so that the high-temperature gas can be rapidly exhausted when the battery core is out of control due to heat, chain reaction of high temperature to other battery cores is avoided, and the battery pack has the advantages of good reliability, long service life and high safety.

Description

Battery pack, vehicle and battery pack control method
Technical Field
The invention relates to the field of vehicles, in particular to a battery pack, a vehicle and a battery pack control method.
Background
Generally be provided with a plurality of mutually independent battery module in the battery package of vehicle, when the electric core in a battery module takes place thermal runaway, the temperature of electric core risees, produces high-temperature gas, endangers the safety of whole battery package, and the condition of different battery packages is different.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a battery pack, in which a high temperature gas exhaust device is disposed, so that when a thermal runaway occurs in a battery cell, the high temperature gas can be rapidly exhausted to avoid a chain reaction of high temperature to other battery cells, and the battery pack has good reliability, long service life and high safety.
The invention also provides a vehicle with the battery pack.
The invention also provides a battery pack control method.
The battery pack according to the present invention includes: a battery case; the battery module, the battery module sets up in the battery shell, just the battery module includes: the battery module comprises a module shell and a battery cell arranged in the module shell; and the high-temperature gas exhaust device is arranged in the battery shell and is respectively communicated with the space in the module shell and the external space so as to exhaust high-temperature gas generated when the battery core is out of control due to heat.
According to the battery pack, the high-temperature gas exhaust device is arranged, and heat generated by the battery core in which thermal runaway occurs in one battery module is exhausted out of the battery shell by the high-temperature gas exhaust device, so that the temperature rise of all the battery cores in the whole battery module due to thermal failure of one battery core is avoided. The safety of the battery pack is improved, the problem that the whole battery module is endangered due to the fact that the temperature of one battery cell rises can be effectively avoided, the safety coefficient of the battery module is improved, and the service life of the battery pack is greatly prolonged.
According to one embodiment of the invention, the module housing is provided with a first vent hole, and the battery housing is provided with a second vent hole; the high-temperature gas discharge device includes: the exhaust device comprises an exhaust pump, a first guide pipe and a second guide pipe, wherein the first guide pipe is connected with the air inlet end of the exhaust pump and the first exhaust hole respectively, and the second guide pipe is connected with the exhaust end of the exhaust pump and the second exhaust hole respectively.
According to an embodiment of the invention, a gas treatment unit is further arranged on the first conduit.
According to an embodiment of the invention, a condensing unit is further provided on the first conduit, the condensing unit being disposed between the gas treatment unit and the exhaust pump.
According to an embodiment of the invention, a pressure relief valve is further provided on the second conduit, the pressure relief valve being configured to open when a preset pressure is reached.
According to one embodiment of the present invention, the module case includes: a lower case defining a receiving space in which the battery cell is received, an upper end of the lower case being open; and the upper shell is covered at the lower end of the lower shell, and an exhaust groove communicated with the high-temperature gas exhaust device is formed in the inner side surface of the upper shell.
According to an embodiment of the present invention, the exhaust groove includes: a housing portion adapted to house an upper end of the battery cell; and the exhaust parts are arranged on two sides of the accommodating part and are connected with the high-temperature gas exhaust device.
According to an embodiment of the present invention, the battery modules are constructed in plural and are each disposed in the battery case, and a space in at least one of the battery modules is communicated with the high-temperature gas exhaust device.
According to an embodiment of the present invention, the battery pack further includes: a controller connected to the exhaust pump; the detection device is connected with the controller and is suitable for sending an alarm signal to the controller when the temperature and/or the temperature rise rate and/or the air pressure in the battery module reach preset values, and the controller controls the exhaust pump to work after receiving the alarm signal.
The vehicle according to the present invention is briefly described below.
According to the vehicle provided with the battery pack of the embodiment, the battery pack of the vehicle is longer in service life, good in safety, low in vehicle maintenance cost and high in use reliability due to the fact that the battery pack of the embodiment is arranged on the vehicle.
The battery pack control method according to the present invention is briefly described below.
The control method comprises at least the following steps: s1: detecting the temperature and/or the temperature increase rate and/or the air pressure in the battery module; s2: and when the temperature and/or the temperature rise rate and/or the air pressure in the battery module reach preset values, the high-temperature gas exhaust device exhausts the high-temperature gas generated when the battery core is thermally out of control.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a gas discharge schematic diagram of a battery pack according to an embodiment of the invention;
fig. 2 is a schematic mechanical diagram of a battery module according to an embodiment of the present invention;
fig. 3 is an exploded view of a battery module according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a vent slot according to an embodiment of the present invention;
fig. 5 is a flowchart of a battery pack control method according to the present invention.
Reference numerals:
the battery module 11, the upper case 111, the air discharge groove 111a, the first communication passage 101, the second communication passage 102, the third communication passage 103, the lower case 112,
a first conduit 121, a second conduit 122, an exhaust pump 123, a gas treatment unit 124, a condensing unit 125, a pressure relief valve 126,
cell 12 and electrode 121.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A battery pack according to an embodiment of the present invention is described below with reference to fig. 1 to 5.
The battery pack according to the present invention includes a battery case, a battery module 11 and a high temperature gas exhaust device, wherein the battery module 11 is disposed in the battery case, the battery module 11 includes a module case and a battery cell 12 disposed in the module case, and the high temperature gas exhaust device is disposed in the battery case and is respectively communicated with a space in the module case and an external space to exhaust high temperature gas generated when the battery cell 12 is thermally disabled.
Generally be provided with a plurality of mutually independent battery module 11 in the battery package of vehicle, when electric core 12 in a battery module 11 takes place thermal runaway, electric core 12's temperature risees, produces high-temperature gas, endangers the safety of whole battery package, and the condition of different battery packages is different, has not carried out radiating scheme to single battery module 11 among the prior art yet.
High-temperature gas eduction gear switches on the space in the module casing with the exterior space to with high-temperature gas from the module is inside to derive the module outside, avoid high-temperature gas to pile up, make high-temperature gas from the inside discharge of module, the temperature of quick reduction battery package.
A plurality of battery cells 12 may be provided in the battery module 11, each battery cell 12 is spaced apart by an insulating and heat-insulating member, an electrode is provided on an upper end surface of each battery cell 12, and the electrodes of the plurality of battery cells 12 may be arranged in sequence.
According to the battery pack, the high-temperature gas exhaust device is arranged, and heat generated by the thermal runaway cells 12 in one battery module 11 is exhausted out of the battery shell by the high-temperature gas exhaust device, so that the temperature rise of all the cells 12 in the whole battery module 11 due to thermal failure of one cell 12 is avoided. The safety of the battery pack is improved, the problem that the whole battery module 11 is endangered due to the temperature rise caused by one battery cell 12 can be effectively avoided, the safety coefficient of the battery module 11 is improved, and the service life of the battery pack is greatly prolonged.
According to an embodiment of the present invention, the module case is provided with a first exhaust hole, the battery case is provided with a second exhaust hole, and the high-temperature gas exhaust means includes an exhaust pump 123, a first conduit 121 and a second conduit 122, the first conduit 121 is connected to the intake end of the exhaust pump 123 and the first exhaust hole, respectively, and the second conduit 122 is connected to the exhaust end of the exhaust pump 123 and the second exhaust hole, respectively.
The air pump 123 can take out the gas in the module casing voluntarily, avoids the gas in the module casing to pile up, guarantees that the high temperature gas in the module casing can discharge smoothly. The first and second ducts 121 and 122 provided in the module case can communicate the gas inside the module case with the external space, ensuring the gas to be unobstructed.
According to an embodiment of the present invention, the first conduit 121 is further provided with a gas treatment unit 124, the gas treatment unit 124 can treat the high-temperature and high-pressure gas to be exhausted to prevent the harmful gas from being exhausted into the external space, the gas treatment unit 124 can be configured as a catalyst, can be configured as an adsorbent, or a combination thereof, so as to catalyze the harmful substance to convert the harmful substance into the harmless gas, thereby preventing the harmful substance in the gas from being exhausted into the external space, and the adsorbent can be an activated carbon adsorbent, etc., so as to reduce the harmful substance from being exhausted into the external space by adsorbing the harmful substance in the gas, thereby improving the safety of the battery pack.
According to an embodiment of the present invention, the first conduit 121 is further provided with a condensing unit 125, the condensing unit 125 is adapted to cool the high-temperature and high-pressure gas, so as to prevent the temperature inside the battery can from being too high, and the condensing unit 125 can also prevent the gas discharged outside the battery can from being too high in temperature and causing damage to the environment or pedestrians.
According to an embodiment of the present invention, the second conduit 122 is provided with a pressure relief valve 126, the pressure relief valve 126 is configured to be opened when a preset pressure is reached, the pressure relief valve 126 is configured to effectively maintain the gas tightness inside the battery pack when the gas exhaust pump 123 is not operated, so as to improve the heat preservation and the dustproof and waterproof effects of the battery pack, and when the battery cell 12 is out of control due to heat, the gas exhaust pump 123 operates to make the gas pressure inside the battery module 11 reach a certain pressure, so that the gas exhaust pump 123 is opened to control the gas exhaust. Through the setting of air discharge pump 123 for the inside temperature of battery package can effective control electricity core 12, has improved the reliability and the life of battery package greatly.
According to an embodiment of the present invention, each module housing is correspondingly provided with a detection device, and when the battery cell 12 in the battery module 11 is out of thermal runaway, the corresponding exhaust pump 123 is controlled to exhaust the high-temperature and high-pressure gas of the battery module 11, so as to improve the control accuracy of the battery pack on the battery temperature, and greatly improve the reliability and the service life of the battery pack.
According to one embodiment of the present invention, the module case includes a lower case 112 and an upper case 111, the lower case 112 defines a receiving space for receiving the battery cell 12, and an upper end of the lower case 112 is open; the upper shell 111 is covered at the upper end of the lower shell 112, and the inner side surface of the upper shell 111 is provided with an exhaust groove 111a communicated with the high-temperature gas exhaust device, the battery module 11 can seal the battery cell 12 by matching the upper shell 111 and the lower shell 112, the stable working state of the battery cell 12 is ensured, the exhaust groove 111a communicated with the high-temperature gas exhaust device is arranged on the upper shell 111, so that high-temperature gas can be effectively collected and exhausted, the high-temperature gas generally moves upwards and is collected in the exhaust groove 111a, after the preset temperature is reached, the exhaust pump 123 is opened to quickly exhaust the high-temperature gas in the exhaust groove 111a, and the temperature of the battery module 11 is reduced.
According to an embodiment of the present invention, the exhaust grooves 111a are formed as "i" shaped grooves to reduce the structural strength reduction of the upper case 111 caused by the arrangement of the exhaust grooves 111a as much as possible, and the "i" shaped grooves have the first communicating channel 101 and the second communicating channel 102 facing the electrodes in the rows of the cells 12, and the first communicating channel 101 and the second communicating channel 102 are communicated with each other through the third communicating channel 103, so that the gases generated from the respective cells 12 can be collected.
According to an embodiment of the present invention, the exhaust groove 111a includes a receiving portion, the receiving portion is adapted to receive the upper ends of the battery cells 12, the receiving portion may be configured as the third communicating channel 103 of the above-mentioned embodiment, the exhaust portion is disposed on both sides of the receiving portion and is connected to the high-temperature gas exhaust device, the exhaust portion may be configured as the first communicating channel 101 and the second communicating channel 102 of the above-mentioned embodiment, end portions of the first communicating channel 101 and the second communicating channel 102 are respectively provided with a through hole matched with the first conduit 121, the first communicating channel 101 may be opposite to one row of electrodes on the rows of battery cells 12, and the second communicating channel may be opposite to the other row of electrodes on the rows of battery cells 12. A first conduit 121 is inserted into the first and second communication passages 101 and 102 to conduct the high temperature gas out of the module case.
According to one embodiment of the present invention, the plurality of battery modules 11 are disposed in the battery case, and the space in at least one of the battery modules 11 is communicated with the high-temperature gas exhaust device.
In an embodiment of the present invention, the battery pack includes a plurality of battery modules 11, each of the battery modules 11 is disposed in the battery case, and each of the battery modules 11 is provided with a high-temperature gas exhaust device through which each of the battery modules 11 communicates with the outside.
Furthermore, each battery module 11 is provided with a temperature sensor, the temperature sensor is used for detecting the temperature in each battery module 11, and when the temperature in the battery module 11 exceeds a preset value, the corresponding exhaust pump 123 is started to cool the battery module 11.
Further, the plurality of battery modules 11 may be divided into a plurality of groups, and each group of battery modules 11 shares the same high-temperature gas exhaust device or the same exhaust pump 123.
According to an embodiment of the present invention, the battery pack further includes a controller and a detection device, the controller is connected to the exhaust pump 123, the detection device is connected to the controller, the detection device is adapted to send an alarm signal to the controller when the temperature and/or the temperature increase rate and/or the air pressure in the battery module 11 reach a preset value, and the controller controls the exhaust pump 123 to operate after receiving the alarm signal.
Wherein detection device can be temperature sensor, temperature sensor sets up on battery module 11, but temperature sensor can detect the temperature of battery module 11 and the temperature change rate of battery module 11, temperature sensor can transmit temperature signal to the controller, the controller is after judging that the temperature reaches the default or the temperature rate of rise reaches the default after the corresponding air pump 123 work of control to release the high temperature high-pressure gas in the battery module 11, avoid the high temperature of battery module 11.
The detection device may also be a pressure sensor, the pressure sensor is disposed inside the battery module 11, the pressure sensor may transmit a pressure signal to the controller, and the controller sends a working instruction to the exhaust pump 123 corresponding to the battery module 11 when detecting that the pressure inside the battery module 11 reaches a preset value, so that the exhaust pump 123 exhausts the high-temperature air inside the corresponding battery module 11.
Each battery module 11 may correspond to one exhaust pump 123, or a plurality of battery modules 11 may correspond to the same exhaust pump 123.
The vehicle according to the present invention is briefly described below.
According to the vehicle provided with the battery pack of the embodiment, the battery pack of the vehicle is longer in service life, good in safety, low in vehicle maintenance cost and high in use reliability due to the fact that the battery pack of the embodiment is arranged on the vehicle.
As shown in fig. 5, a battery pack control method according to the present invention is briefly described below.
The control method comprises at least the following steps: s1: detecting the temperature and/or the temperature increase rate and/or the air pressure in the battery module; s2: and when the temperature and/or the temperature rise rate and/or the air pressure in the battery module reach preset values, the high-temperature gas exhaust device exhausts the high-temperature gas generated when the battery core is thermally out of control.
By the control method, when the temperature of the battery module reaches the preset temperature, the temperature rising rate reaches the preset rate, and the air pressure reaches the preset value, the possibility that the electric core in the battery module breaks down can be judged, and in order to avoid the fire disaster phenomenon caused by overheating of the battery module, the high-temperature gas generated by the electric core is discharged by the high-temperature gas discharge device, so that the fault rate of the battery pack is reduced, and meanwhile, the safety of a vehicle is also improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. A battery pack, comprising:
a battery case;
the battery module, the battery module sets up in the battery shell, just the battery module includes: the battery module comprises a module shell and a battery cell arranged in the module shell;
and the high-temperature gas exhaust device is arranged in the battery shell and is respectively communicated with the space in the module shell and the external space so as to exhaust high-temperature gas generated when the battery core is out of control due to heat.
2. The battery pack of claim 1, wherein the module housing is provided with a first vent hole and the battery housing is provided with a second vent hole;
the high-temperature gas discharge device includes: the exhaust device comprises an exhaust pump, a first guide pipe and a second guide pipe, wherein the first guide pipe is connected with the air inlet end of the exhaust pump and the first exhaust hole respectively, and the second guide pipe is connected with the exhaust end of the exhaust pump and the second exhaust hole respectively.
3. The battery pack of claim 2, wherein the first conduit is further provided with a gas treatment unit.
4. The battery pack of claim 3, wherein the first conduit is further provided with a condensing unit disposed between the gas treatment unit and the exhaust pump.
5. The battery pack of claim 4, wherein the second conduit is further provided with a pressure relief valve configured to open when a predetermined pressure is reached.
6. The battery pack of claim 1, wherein the module housing comprises:
a lower case defining a receiving space in which the battery cell is received, an upper end of the lower case being open;
and the upper shell is covered at the lower end of the lower shell, and an exhaust groove communicated with the high-temperature gas exhaust device is formed in the inner side surface of the upper shell.
7. The battery pack of claim 6, wherein the vent slot comprises:
a housing portion adapted to house an upper end of the battery cell;
and the exhaust parts are arranged on two sides of the accommodating part and are connected with the high-temperature gas exhaust device.
8. The battery pack according to claim 1, wherein the battery modules are constructed in plurality and are each disposed in the battery case, and a space in at least one of the battery modules is in communication with the high-temperature gas exhaust device.
9. The battery pack according to claim 2, further comprising:
a controller connected to the exhaust pump;
the detection device is connected with the controller and is suitable for sending an alarm signal to the controller when the temperature and/or the temperature rise rate and/or the air pressure in the battery module reach preset values, and the controller controls the exhaust pump to work after receiving the alarm signal.
10. A vehicle characterized by comprising the battery pack according to any one of claims 1 to 9.
11. A battery pack control method, the battery pack being the battery pack according to any one of claims 1 to 9, comprising at least the steps of:
s1: detecting the temperature and/or the temperature increase rate and/or the air pressure in the battery module;
s2: and when the temperature and/or the temperature rise rate and/or the air pressure in the battery module reach preset values, the high-temperature gas exhaust device exhausts the high-temperature gas generated when the battery core is thermally out of control.
CN201911369089.8A 2019-12-26 2019-12-26 Battery pack, vehicle and battery pack control method Pending CN113131062A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911369089.8A CN113131062A (en) 2019-12-26 2019-12-26 Battery pack, vehicle and battery pack control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911369089.8A CN113131062A (en) 2019-12-26 2019-12-26 Battery pack, vehicle and battery pack control method

Publications (1)

Publication Number Publication Date
CN113131062A true CN113131062A (en) 2021-07-16

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Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113594598A (en) * 2021-07-29 2021-11-02 中国第一汽车股份有限公司 Battery module and battery pack
CN113921941A (en) * 2021-09-10 2022-01-11 东风时代(武汉)电池系统有限公司 Thermal runaway control system and method for power battery pack

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109088029A (en) * 2018-07-27 2018-12-25 清华大学 The device of lithium ion battery and application lithium ion battery
CN208706742U (en) * 2018-07-27 2019-04-05 清华大学 Lithium-ion battery systems and energy-consuming product
CN110071245A (en) * 2019-04-29 2019-07-30 苏州安靠电源有限公司 Battery modules and battery pack

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109088029A (en) * 2018-07-27 2018-12-25 清华大学 The device of lithium ion battery and application lithium ion battery
CN208706742U (en) * 2018-07-27 2019-04-05 清华大学 Lithium-ion battery systems and energy-consuming product
CN110071245A (en) * 2019-04-29 2019-07-30 苏州安靠电源有限公司 Battery modules and battery pack

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113594598A (en) * 2021-07-29 2021-11-02 中国第一汽车股份有限公司 Battery module and battery pack
CN113921941A (en) * 2021-09-10 2022-01-11 东风时代(武汉)电池系统有限公司 Thermal runaway control system and method for power battery pack
CN113921941B (en) * 2021-09-10 2023-09-29 东风时代(武汉)电池系统有限公司 Power battery pack thermal runaway control system and method

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