CN103825059B - The heat management of a kind of automobile batteries and automatic fire extinguishing system - Google Patents

The heat management of a kind of automobile batteries and automatic fire extinguishing system Download PDF

Info

Publication number
CN103825059B
CN103825059B CN201410049698.6A CN201410049698A CN103825059B CN 103825059 B CN103825059 B CN 103825059B CN 201410049698 A CN201410049698 A CN 201410049698A CN 103825059 B CN103825059 B CN 103825059B
Authority
CN
China
Prior art keywords
fire extinguishing
automobile batteries
bag
battery modules
extinguishing bag
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.)
Active
Application number
CN201410049698.6A
Other languages
Chinese (zh)
Other versions
CN103825059A (en
Inventor
李书福
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Filing date
Publication date
Application filed by Zhejiang Geely Holding Group Co Ltd, Zhejiang Geely Automobile Research Institute Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN201410049698.6A priority Critical patent/CN103825059B/en
Publication of CN103825059A publication Critical patent/CN103825059A/en
Priority to US15/115,556 priority patent/US10035032B2/en
Priority to ES14882718T priority patent/ES2905854T3/en
Priority to EP14882718.1A priority patent/EP3107145B1/en
Priority to JP2016549798A priority patent/JP6228319B2/en
Priority to PCT/CN2014/094691 priority patent/WO2015120742A1/en
Application granted granted Critical
Publication of CN103825059B publication Critical patent/CN103825059B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The present invention provides heat management and the automatic fire extinguishing system of a kind of automobile batteries, for being managed the automobile batteries in motor vehicle driven by mixed power or electric vehicle, including fire extinguishing bag, neighbouring or be contacted with automobile batteries, is filled with extinguishing chemical in described fire extinguishing bag;Described fire extinguishing bag is arranged to the described fire extinguishing bag when automobile batteries temperature is higher than preset temperature and opens; thus extinguishing chemical can discharge and be filled to the space at automobile batteries place; thus reached automatic pre-anti-burning, the effect of fire extinguishing of automobile batteries; it is effectively protected automobile batteries and whole vehicle; reserve more escape time to occupant, improve the safety of vehicle.Generally speaking, the heat management of the automobile batteries of the present invention and automatic fire extinguishing system be simple and reliable for structure, low cost, highly versatile, it is not necessary to existing automobile batteries cooling system is carried out transformation and can be directly mounted on automobile.

Description

The heat management of a kind of automobile batteries and automatic fire extinguishing system
Technical field
The present invention relates to the automobile batteries resist technology in motor vehicle driven by mixed power or electric vehicle, particularly relate to The heat management of a kind of automobile batteries and automatic fire extinguishing system.
Background technology
For being provided the vehicle of part or all of power, such as pure electric vehicle or some types by automobile batteries Motor vehicle driven by mixed power, it usually needs in vehicle, arrange jumbo automobile batteries, to provide enough wink Time power and course continuation mileage long as far as possible.
Automobile batteries operationally can produce heat, the too high service behaviour that directly can affect battery of temperature and longevity Life, even produces the safety hazards such as overheated, electrolyte spilling, on fire, blast.In order to ensure automobile The safety of battery, automobile and battery manufacturers spare no effort to use various measure, such as various anti-collision structures Design, the selection of fire proofing, automobile batteries is arranged in comparatively safe position, and from control plan Slightly go up the safety to automobile batteries to protect.But, once automobile batteries is on fire, above measure base This is invalid.Therefore, when automobile batteries is caused danger, how to guarantee the safety of automobile batteries and vehicle, give The enough escape time etc. of passenger is just particularly important.
Cooling system is set to lower the temperature automobile batteries, thus at automobile batteries because such as collision or short Some the most controlled reasons such as road use this cooling system to carry out fire extinguishing when occurring overheated, on fire be a kind of Preferably scheme.But, in the program, the coolant of cooling system needs to meet simultaneously and can play automobile electricity The cooling effect in pond and there is fire-extinguishing function concurrently, thus the material requirements to coolant is higher.Further, this cooling If system has the cooling effect to automobile batteries and fire-extinguishing function concurrently simultaneously, need existing cooling system is entered Row transformation, causes overall plan complex.
Summary of the invention
It is an object of the invention to provide heat management and the self-extinguishing system of the easy automobile batteries of a kind of scheme System technology.
Especially, the present invention provides heat management and the automatic fire extinguishing system of a kind of automobile batteries, for mixing Automobile batteries in power car or electric vehicle is managed, including:
Fire extinguishing bag, neighbouring or be contacted with described automobile batteries, it is filled with extinguishing chemical in described fire extinguishing bag;
Described fire extinguishing bag is arranged to, and when automobile batteries temperature is higher than preset temperature, described fire extinguishing bag is opened, from And described extinguishing chemical can discharge and be filled to the space at described automobile batteries place.
Further, described fire extinguishing bag includes fire extinguishing bag and lower fire extinguishing bag, wherein, described upper fire extinguishing bag bag Be overlying on each described automobile batteries and the upper surface of battery modules that is made up of described automobile batteries, described under Fire extinguishing is coated on each described automobile batteries and the lower surface of battery modules being made up of described automobile batteries On.
Further, at least some of material of described upper fire extinguishing bag is chosen to plastics or resin, when automobile electricity Higher than during preset temperature, described upper at least some of of fire extinguishing bag is heated into flow-like by automobile batteries to pond temperature State, thus described extinguishing chemical can discharge and be filled to the space at described automobile batteries place.
Further, the fusing point of the described at least one of material of described upper fire extinguishing bag is at 85 DEG C-95 DEG C In the range of, the fusing point of described lower fire extinguishing packaging material is higher than the fusing point of described at least one of material.
Further, described upper fire extinguishing bag is interconnected with described lower fire extinguishing bag, and
Described upper fire extinguishing bag is parallel with pump respectively, by the extinguishing chemical in the described upper fire extinguishing bag of the pump pressure of described pump Described battery modules can be heated or cooled;Described lower fire extinguishing bag is parallel with pump, respectively by described pump Pump pressure described lower fire extinguishing bag in extinguishing chemical described battery modules can be heated or cooled.
Further, described plastics are EVA plastics, and described resin is ABS/PC alloy.
Further, described extinguishing chemical is chosen as silicone oil or transformer oil.
Further, the heat management of automobile batteries also includes with automatic fire extinguishing system:
It is arranged in the upper cover on battery lodge body and lower cover;
By opening described upper cover, described upper fire extinguishing bag can be coated in described battery modules or from described electricity Detach on the module of pond;By opening described lower cover, described lower fire extinguishing bag can be coated in described battery modules Or detach from described battery modules.
Further, the heat management of automobile batteries also includes with automatic fire extinguishing system:
Insulating barrier, is arranged on the circuit connecting plate between each described battery modules, or
Described battery modules and with on the connecting line between electric device.
Further, described insulating barrier is acrylic resin.
According to the heat management of automobile batteries and the automatic fire extinguishing system of the present invention, when automobile batteries temperature is higher than pre- If putting out a fire during temperature, bag is opened, thus the extinguishing chemical filled in bag of putting out a fire can discharge and be filled to described automobile electricity The space at place, pond.So, when automobile batteries causes ignition because of abnormal causes such as collision, short circuits, Extinguishing chemical in fire extinguishing bag can discharge and be filled to the space at automobile batteries place and put out a fire, thus reaches Automatic pre-anti-burning, the effect of fire extinguishing of automobile batteries, is effectively protected automobile batteries and whole vehicle, Reserve more escape time to occupant, improve the safety of vehicle.Generally speaking, the vapour of the present invention The heat management of car battery is simple and reliable for structure with automatic fire extinguishing system, low cost, highly versatile, it is not necessary to existing Some automobile batteries cooling systems carry out transformation and can be directly mounted on automobile.
According to the heat management of automobile batteries of automobile batteries and the automatic fire extinguishing system of the present invention, further, Fire extinguishing bag is arranged in the upper and lower surface of automobile batteries or battery modules, thus the extinguishing chemical put out a fire in bag is providing While fire-extinguishing function concurrently, automobile batteries or battery modules can also be fixed or buffer by fire extinguishing bag itself.
According to the heat management of automobile batteries of automobile batteries and the automatic fire extinguishing system of the present invention, further, The upper fire extinguishing bag and the lower fire extinguishing bag that are coated on battery modules upper and lower surface can not only play fire extinguishing function, and by In upper fire extinguishing bag and lower fire extinguishing bag be parallel with pump respectively, by the pump function of described pump fire extinguishing bag and under go out Extinguishing chemical in fire bag can regulate the temperature of automobile batteries or battery modules jointly, thus plays battery modules It is heated or cooled to be suitable for the temperature of its work.Further, owing to being mode in parallel, even if having on other Fire extinguishing bag or lower fire extinguishing bag in extinguishing chemical rupture outflow, nor affect on remaining fire extinguishing bag continue play fire extinguishing and The effect of regulation temperature.And it is possible to as required, when upper fire extinguishing bag can play enough fire extinguishing functions, Lower fire extinguishing bag can only play regulation temperature action and discharge extinguishing chemical without rupturing, now can be significantly Reduce the requirement to lower fire extinguishing packaging material.
According to below in conjunction with the accompanying drawing detailed description to the specific embodiment of the invention, those skilled in the art will More understand the above-mentioned of the present invention and other purposes, advantage and feature.
Accompanying drawing explanation
Some describing the present invention the most by way of example, and not by way of limitation in detail are concrete Embodiment.Reference identical in accompanying drawing denotes same or similar parts or part.Art technology Personnel are it should be understood that what these accompanying drawings were not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is that the heat management of automobile batteries according to an embodiment of the invention is put out a fire in automatic fire extinguishing system Bag and the position relationship schematic diagram of automobile batteries;
Fig. 2 is that the heat management of automobile batteries in accordance with another embodiment of the present invention goes out in automatic fire extinguishing system Fire bag and the position relationship schematic diagram of battery modules;
Fig. 3 is the schematic diagram of battery lodge body according to an embodiment of the invention;
Fig. 4 is battery modules and fire extinguishing bag in battery modules installation region according to an embodiment of the invention Position relationship schematic diagram;
Fig. 5 is principle schematic according to an embodiment of the invention.
Reference in figure is as follows:
10-automobile batteries;
20-puts out a fire bag, bag that 21-puts out a fire, fire extinguishing bag under 22-;
30-battery modules;
40-battery modules installation region, 41-battery modules fixed plate, 42-upper cover;
50-battery bag;
100-battery lodge body;
110-cooling circuit;
120-radiator;
130-pump.
Detailed description of the invention
The embodiment of the present invention provides heat management and the automatic fire extinguishing system of the automobile batteries of a kind of automobile batteries 10, For the automobile batteries 10 in motor vehicle driven by mixed power or electric vehicle is managed, the heat of this automobile batteries Management and automatic fire extinguishing system include bag 20 of putting out a fire, and fire extinguishing bag 20 is neighbouring or is contacted with described automobile batteries 10, It is filled with extinguishing chemical in described fire extinguishing bag 20.The described fire extinguishing when automobile batteries 10 temperature is higher than preset temperature Bag 20 is opened, thus described extinguishing chemical can discharge and be filled to the space at described automobile batteries 10 place.This Place is neighbouring or the packaging material sensitivity to preset temperature of putting out a fire is depended in contact.So, when automobile batteries 10 When causing ignition because of abnormal causes such as collision, short circuits, the extinguishing chemical in fire extinguishing bag 20 can discharge and fill Put out a fire in the space completely arriving automobile batteries 10 place, thus it is automatic pre-anti-flaming to have reached automobile batteries 10 The effect burnt, put out a fire, is effectively protected automobile batteries 10 and whole vehicle, has reserved to occupant more Escape time, improve the safety of vehicle.According to the present embodiment, the automobile of the automobile batteries of the present invention The heat management of battery is simple and reliable for structure with automatic fire extinguishing system 10, low cost, highly versatile, with existing Automobile batteries cooling system independent mutually, it is not necessary to existing automobile batteries cooling system is transformed.
Fig. 1 shows that the fire extinguishing bag 20 according to one embodiment of the invention shows with the position relationship of automobile batteries 10 Being intended to, fire extinguishing bag 20 is for putting out a fire to single automobile batteries 10 in this embodiment.So, often Individual automobile batteries 10 is respectively provided with a corresponding fire extinguishing bag 20, when this automobile batteries 10 temperature is higher than presetting temperature Fire extinguishing bag 20 corresponding when spending is opened, thus described extinguishing chemical can discharge and be filled to this automobile batteries Precisely put out a fire in the space at 10 places.
It is appreciated that automobile batteries 10 is typically to set for for motor vehicle driven by mixed power or electric vehicle Put in battery lodge body 100, mutually connect into battery modules, and automobile batteries 10 with circuit connecting plate Itself can be a monocell or the set of cells being made up of multiple monocells.Fig. 2 is according to the present invention The heat management of the automobile batteries of another embodiment and fire extinguishing bag and the position of battery modules in automatic fire extinguishing system Putting relation schematic diagram, fire extinguishing bag 20 is for the battery being made up of described automobile batteries 10 in this embodiment Module is put out a fire.Fig. 2 exemplarily depicts the battery modules being made up of three automobile batteries 10, And the fire extinguishing bag of the most each corresponding with this battery modules, this battery modules has and automobile batteries 10 identical preset temperatures.In other embodiments, it is also possible to more or less composition battery modules is set The quantity of automobile batteries 10.Or, in other embodiments, it is also possible to arrange and a battery modules Corresponding more fire extinguishing bags 20, and arrange, such as near a battery to be different from the alternate manner of Fig. 2 The sidewall of the automobile batteries 10 of module is arranged.Comparison Fig. 1 and Fig. 2 understands, according to the automobile electricity of the present invention The heat management in pond and automatic fire extinguishing system, each automobile batteries 10 or each battery modules are respectively provided with correspondence Fire extinguishing bag 20, the fire extinguishing corresponding when this automobile batteries 10 or battery modules temperature are higher than preset temperature Bag 20 is opened, thus described extinguishing chemical can discharge and be filled to described automobile batteries 10 or battery modules place Space automobile batteries 10 or battery modules are put out a fire.
Fig. 3 is the schematic diagram of battery lodge body 100 according to an embodiment of the invention.In figure 3, electricity Pond lodge body 100 includes three battery modules installation regions 40, and battery modules installation region 40 is by electricity Pond module fixed plate 41, upper cover 42 and the composition of lower cover (not shown).
Fig. 4 shows battery modules 30 and the position wrapping 20 of putting out a fire in a battery modules installation region 40 Relation schematic diagram.As shown in Figure 4, include in battery modules installation region 40 by five automobile batteries 10 groups The battery modules 30 become, has been directly connected to fire extinguishing bag between battery modules 30 and upper cover 42 and lower cover 21 and lower fire extinguishing bag 22, the upper fire extinguishing bag 21 and the lower fire extinguishing bag 22 that arrange not only can be the most rapid herein The temperature of perception battery modules 30 thus discharge extinguishing chemical and put out a fire or lower the temperature, and can be effectively to electricity Pond module 30 is fixed or buffers such that it is able to reduces car crass and causes battery modules 30 on fire Risk, and battery modules about 30 play caused due to automobile bumpiness can be reduced on the whole. In this design, when battery modules 30 temperature is higher than preset temperature at least one upper fire extinguishing wrap 21 or under go out Fire bag 22 is opened, thus the extinguishing chemical in this fire extinguishing bag can discharge and be filled to whole battery modules 30 place Space.In other embodiments, can be at each automobile batteries 10 of battery modules 30 and upper cover 42 And between lower cover, it has been directly connected to bag 20 of putting out a fire, alleviate the corresponding automobile electricity caused due to automobile bumpiness The play up and down in pond 10, and this fire extinguishing bag 20 dozens when this automobile batteries 10 temperature is higher than preset temperature Open, thus the extinguishing chemical in this fire extinguishing bag 20 can discharge and be filled to the space at this automobile batteries 10 place, And other fire extinguishing bag 20 does not discharge extinguishing chemical.So, fire extinguishing bag 20 can be high to temperature the most accurately Single automobile battery 10 in preset temperature discharges.
Returning to Fig. 3, in figure 3, upper cover 42 is used for covering a battery modules 30.Implement at other In example, the size of upper cover 42 can be strengthened, thus cover the upper surface of whole battery lodge body 100.Logical Cross and open described upper cover 42, upper fire extinguishing bag 21 can be coated on the upper surface of battery modules 30 or from battery Detach on the upper surface of module 30.By opening described lower cover, lower fire extinguishing bag 22 can be coated on battery mould Detach on the lower surface of group 30 or from the lower surface of described battery modules.Upper cover 42 and the design side of lower cover Just in time fire extinguishing bag 20 is replaced.
In the embodiment shown in fig. 4, upper fire extinguishing bag 21 fire extinguishing bag 21 i.e. upper with automobile batteries 10 contact position Bottom be chosen as plastics or resin, in other embodiments, it is also possible to by upper fire extinguishing bag 21 entirety be all provided with It is set to plastics or resin.Being chosen as plastics herein or resin is, suitable plastics and resin have relatively low Fusing point.It is only used as a kind of schematically citing, when the described at least one of material of described upper fire extinguishing bag 21 When material is for plastics, described plastics are EVA plastics, and the fusing point by suitable additive EVA plastics is permissible It is maintained at about 90 DEG C.It is only used as a kind of schematically citing, when described in upper fire extinguishing bag 21 at least one When the material divided is resin, described resin is ABS/PC alloy.ABS/PC alloy has good machinery Intensity and toughness, can prevent from colliding upper fire extinguishing bag 21 autoclasis caused, and ABS/PC alloy has resistance simultaneously Combustion property, is especially suitable for the upper fire extinguishing bag 21 of manufacturing cost invention.When battery modules 30 temperature is higher than presetting temperature When spending, at least some of such as Fig. 2 of described upper fire extinguishing bag 21, upper fire extinguishing wraps the bottom of 21 by battery modules 30 are heated into fluid state, thus the extinguishing chemical in this fire extinguishing bag can discharge and be filled to battery modules 30 institute Space.Preset temperature can occur danger on fire according to those skilled in the art to automobile batteries 10 herein The criterion of danger is set, such as, can select in the range of 85 DEG C-95 DEG C.Above-mentioned plastics or Resin is all chosen as the material of low melting point, and this fusing point can determine according to aforesaid preset temperature, from And make above-mentioned plastics or resin can become fluid state when the temperature of battery modules 30 exceedes preset temperature Extinguishing chemical is made to trickle out.In one embodiment of the invention, described at least the one of upper fire extinguishing bag 21 The fusing point of the material of part, in the range of 85 DEG C-95 DEG C, so can occur danger on fire with battery modules 30 The temperature of danger matches.Certainly, in other embodiments, it is also possible to occur according to different battery modules 30 The temperature of hazard of catch fire determines the fusing point of the described at least one of material of upper fire extinguishing bag 21.
In Fig. 4 and embodiment illustrated in fig. 5, lower fire extinguishing bag 22 is mainly used in cooling down battery modules 30, from And the lower fire extinguishing bag 22 at this can be chosen as the material of higher melt.Or, the lower fire extinguishing bag 22 at this Have cooling effect and as ibid fire extinguishing bag 21 fire-extinguishing function concurrently, this at present put out a fire bag 22 material melting point The fusing point of at least one of material described in a little higher than upper fire extinguishing bag 21.When battery modules 30 temperature is higher than pre- If fire extinguishing opened by upper fire extinguishing bag 21 during temperature, automobile batteries 10 is cooled down by lower fire extinguishing bag 22, if warm When degree persistently rises to the material melting point of lower fire extinguishing bag 22, this lower fire extinguishing bag 22 ruptures fire extinguishing.Go out under about The cooling effect that fire bag 22 is risen, hereafter does detailed narration.
Owing to silicone oil or transformer oil have good fire-retardant and insulating properties at normal temperatures and pressures, described at this In invention, extinguishing chemical is chosen as silicone oil or transformer oil.Impurity or extinguishing chemical is had originally as conduction in extinguishing chemical During material, when being filled to the space at battery modules 30 place in the release of described extinguishing chemical, it is possible to cause Battery modules 30 is powered shakiness or short-circuit fire.So, in order to reduce, extinguishing chemical purity and material are conducted electricity The requirement of property, the circuit connecting plate between each battery modules 30 in a preferred embodiment of the invention Upper and battery modules 30 and be respectively provided with insulating barrier with on the connecting line between electric device.When described circuit connects When plate inherently has anti-conduction measure, it is also possible to described insulating barrier is only set on described connecting line, or When described connecting line is the enamel-covered wire with anti-conducting function, it is also possible to only set on described circuit connecting plate Put described insulating barrier.Owing to acrylic resin has good temperature tolerance and superior insulation and anticorrosive property, The most described insulating barrier is chosen as acrylic resin.In other embodiments, described insulating barrier Polyester-imide or polyimides etc. can also be chosen as there is the material of insulating properties.
Fig. 5 is a principle schematic of the present invention, as it is shown in figure 5, the heat pipe of the automobile batteries of the present invention Reason and automatic fire extinguishing system can also include cooling circuit 110, radiator 120 and pump 130.At each electricity In pond bag 50, upper fire extinguishing bag 21 is connected by cooling circuit 110 with lower fire extinguishing bag 22, and cooling circuit Difference battery bag 50 is connected by 110.Cooling circuit 110 extinguishing chemical can be at cooling circuit as cooling medium Flow in 110, in order at battery modules 30, absorb its heat given out, and heat is taken to battery bag Dispel the heat in the outside of 50.After cooling medium absorbs heat intensification at battery modules 30, via cooling back Road 110 is transmitted to the radiator 120 outside battery bag 50, and changes with media such as such as air herein Heat so that cooling medium dispels the heat and lowers the temperature such that it is able to via cooling circuit 110 again to battery modules 30 Cool down.Along with the rising of battery modules 30 temperature, pump 130 accelerate work and make fire extinguishing bag 21 and Flowing accelerated by extinguishing chemical in lower fire extinguishing bag 22, thus lowers the temperature described battery modules 30.At Fig. 5 In illustrated embodiment, cooling medium can be stored in radiator 120, and by pump 130 by cooling medium pump It is drawn onto in cooling circuit 110 and make cooling medium to circulate in cooling circuit 110.Although this cooling System 100 is mainly used in the cooling to battery modules 30, it will be appreciated that can also be at cooling circuit The heater of heated cooling medium it is provided for, in order under the situations such as such as vehicle cold start in 110, Made battery modules 30 can be reached as quickly as possible its operating temperature being suitable for by heated cooling medium.
In a preferred embodiment, according to the present invention automobile batteries heat management and automatic fire extinguishing system also Monitoring device on fire and controller can be included.Monitoring device on fire is for monitoring described battery modules 30 Risk on fire or on fire.Controller described monitoring device on fire monitor described battery modules 30 on fire or Person makes lower fire extinguishing bag 22 carry out or accelerate cooling effect in the case of having risk on fire, thus plays fire extinguishing Or fireproof effect.Controller can be realized by battery management system (BMS).Operationally, battery Management system is temperature and upper fire extinguishing bag to battery modules 30 respectively by temperature sensor and pressure transducer Pressure in 21 is monitored in real time.When the temperature of battery modules 30 exceed aforesaid preset temperature and on go out Pressure in fire bag 21 has when substantially reducing, then battery management system judge now battery modules 30 on fire or There is bigger risk on fire, and upper fire extinguishing bag 21 may have begun to fluidisation and discharge to relieving mechanism Extinguishing chemical.Now, battery management system can send a request signal, entire car controller to entire car controller Respond this request signal, thus control pump 130 and accelerate work and make lower fire extinguishing wrap the extinguishing chemical in 22 and accelerate Flowing, thus described battery modules 30 is lowered the temperature.In another embodiment, it is also possible to only use pressure Sensor or temperature sensor are as monitoring device on fire, at this point it is possible to according only to the temperature of battery modules 30 In degree or upper fire extinguishing bag 21, pressure judges that battery modules 30 is the most on fire or has risk on fire.Real at other Execute in example, it would however also be possible to employ it is on fire that other suitable monitoring device such as flame monitoring apparatus comes as here Monitoring device.
In a preferred embodiment, it is used for single automobile batteries 10 is put out a fire at upper fire extinguishing bag 21 Time, each automobile batteries 10 is provided with a temperature sensor, is respectively provided with in each upper fire extinguishing bag 21 There is a pressure transducer.In another embodiment, it is used for battery modules 30 is entered at upper fire extinguishing bag 21 During row fire extinguishing, each automobile batteries 10 is provided with a temperature sensor, in each upper fire extinguishing bag 21 It is provided with a pressure transducer.Or, each battery modules 30 is provided with a temperature sensing Device, is provided with a pressure transducer in each upper fire extinguishing bag 21, and this temperature sensor is used for monitoring electricity The temperature of each automobile batteries 10 in the module of pond.In yet another embodiment, 21 are wrapped for right in upper fire extinguishing When being put out a fire by battery modules 30, there is the temperature sensor of two types, one of them temperature sensing Device is total temperature sensor, the temperature of each automobile batteries 10 in monitoring battery modules.Another temperature Degree sensor is sub-temperature sensor, is arranged on each automobile batteries 10, is used for monitoring battery modules 30 The temperature of interior each automobile batteries 10.Only equal when total temperature sensor and at least one sub-temperature sensor When the temperature monitored all exceedes aforesaid preset temperature, just it is considered as one of battery modules 30 condition on fire, Total temperature sensor or sub-breaking down of temperature sensor so it is possible to prevent to make the temperature mistake monitored High.Or, when the temperature of total temperature sensor or at least one sub-temperature sensor monitors to automobile batteries 10 Degree is when exceeding aforesaid preset temperature, is accordingly to be regarded as one of automobile batteries 10 condition on fire, so can in case Only total temperature sensor or the situation about cannot work that breaks down of sub-temperature sensor.Monitor according to above-mentioned Condition on fire, if the pressure monitored in fire extinguishing bag 21 has when substantially reducing simultaneously, then battery management System judges that automobile batteries 10 is on fire or has bigger risk on fire, and upper fire extinguishing bag 21 may have been opened Beginning fluidisation and outwards discharge extinguishing chemical.In fig. 2, owing to hot-air flows up, it is arranged at automobile electricity The upper fire extinguishing bag 21 of the upper surface in pond 10 can effectively absorb heat, and it plays main fire extinguishing function.Further, Owing to fire extinguishing bag 21 accommodating substantial amounts of extinguishing chemical on this, though above-mentioned monitoring device on fire and controller Cisco unity malfunction, upper fire extinguishing bag 21 self becomes fluid state to cause autoclasis and just can provide larger amount of going out Fire agent, thus carry out to a certain extent putting out a fire or extenuating the intensity of a fire.
In the most unshowned embodiment, according to the present invention automobile batteries heat management with automatically go out Fire system can also include that relieving mechanism, upper fire extinguishing bag 21 are arranged in described relieving mechanism and are adjacent to institute State automobile batteries 10 or battery modules 30, herein neighbouring refer to and put out a fire in Fig. 1 and Fig. 2 bag 20 and automobile Battery 10 directly contacts difference, but in upper fire extinguishing bag 21 and described automobile batteries 10 or battery modules 30 Between be provided with relieving mechanism.When upper fire extinguishing bag 21 is heated to form fluid state, its interior extinguishing chemical is first First being released and be filled in described relieving mechanism, described relieving mechanism is optionally opened and is made described fire extinguishing Agent indirectly discharges and is filled to described automobile batteries 10 or the space at battery modules 30 place.
So far, although those skilled in the art will appreciate that and the most detailed illustrate and describing the present invention's Multiple exemplary embodiments, but, without departing from the spirit and scope of the present invention, still can be according to this Disclosure of invention directly determines or derives other variations or modifications of many meeting the principle of the invention.Cause This, the scope of the present invention is it is understood that and regard as covering other variations or modifications all these.

Claims (8)

1. the heat management of automobile batteries and an automatic fire extinguishing system, for motor vehicle driven by mixed power or electric motor car Automobile batteries in is managed, it is characterised in that including:
Fire extinguishing bag, neighbouring or be contacted with described automobile batteries, it is filled with extinguishing chemical in described fire extinguishing bag;
Described fire extinguishing bag is arranged to, and when automobile batteries temperature is higher than preset temperature, described fire extinguishing bag is opened, from And described extinguishing chemical can discharge and be filled to the space at described automobile batteries place;
Wherein, described fire extinguishing bag includes fire extinguishing bag and lower fire extinguishing bag, and described upper fire extinguishing bag is coated on each institute State on automobile batteries and the upper surface of battery modules that is made up of described automobile batteries, described lower fire extinguishing bag cladding On each described automobile batteries and the lower surface of battery modules that is made up of described automobile batteries;
Described upper fire extinguishing bag is interconnected with described lower fire extinguishing bag, and, described upper fire extinguishing bag is parallel with respectively Pump, can be cooled down described battery modules by the extinguishing chemical in the described upper fire extinguishing bag of the pump pressure of described pump; Described lower fire extinguishing bag is parallel with pump respectively, can be right by the extinguishing chemical in the described lower fire extinguishing bag of the pump pressure of described pump Described battery modules cools down.
The heat management of automobile batteries the most according to claim 1 and automatic fire extinguishing system, its feature exists In,
At least some of material of described upper fire extinguishing bag is chosen to plastics or resin, when automobile batteries temperature is higher than During preset temperature, described upper at least some of of fire extinguishing bag is heated into fluid state by automobile batteries, thus described Extinguishing chemical can discharge and be filled to the space at described automobile batteries place.
The heat management of automobile batteries the most according to claim 2 and automatic fire extinguishing system, its feature exists In,
The fusing point of described at least one of material of described upper fire extinguishing bag in the range of 85 DEG C-95 DEG C, institute State the fusing point fusing point higher than described at least one of material of lower fire extinguishing packaging material.
The heat management of automobile batteries the most according to claim 2 and automatic fire extinguishing system, its feature exists In,
Described plastics are EVA plastics, and described resin is ABS/PC alloy.
The heat management of automobile batteries the most according to claim 1 and automatic fire extinguishing system, its feature exists In,
Described extinguishing chemical is chosen as silicone oil or transformer oil.
The heat management of automobile batteries the most according to claim 1 and automatic fire extinguishing system, its feature exists In, also include:
It is arranged in the upper cover on battery lodge body and lower cover;
By opening described upper cover, described upper fire extinguishing bag can be coated in described battery modules or from described electricity Detach on the module of pond;By opening described lower cover, described lower fire extinguishing bag can be coated in described battery modules Or detach from described battery modules.
The heat management of automobile batteries the most according to claim 1 and automatic fire extinguishing system, its feature exists In, also include:
Insulating barrier, is arranged on the circuit connecting plate between each described battery modules, or
Described battery modules and with on the connecting line between electric device.
The heat management of automobile batteries the most according to claim 7 and automatic fire extinguishing system, its feature exists In,
Described insulating barrier is acrylic resin.
CN201410049698.6A 2014-02-13 2014-02-13 The heat management of a kind of automobile batteries and automatic fire extinguishing system Active CN103825059B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201410049698.6A CN103825059B (en) 2014-02-13 The heat management of a kind of automobile batteries and automatic fire extinguishing system
US15/115,556 US10035032B2 (en) 2014-02-13 2014-12-23 Thermal management and automatic fire-extinguishing system of vehicle battery
ES14882718T ES2905854T3 (en) 2014-02-13 2014-12-23 Vehicle battery automatic fire extinguishing and thermal management system
EP14882718.1A EP3107145B1 (en) 2014-02-13 2014-12-23 Thermal management and automatic fire-extinguishing system of automobile battery
JP2016549798A JP6228319B2 (en) 2014-02-13 2014-12-23 Automotive battery thermal management and automatic fire extinguishing system
PCT/CN2014/094691 WO2015120742A1 (en) 2014-02-13 2014-12-23 Thermal management and automatic fire-extinguishing system of automobile battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410049698.6A CN103825059B (en) 2014-02-13 The heat management of a kind of automobile batteries and automatic fire extinguishing system

Publications (2)

Publication Number Publication Date
CN103825059A CN103825059A (en) 2014-05-28
CN103825059B true CN103825059B (en) 2016-11-30

Family

ID=

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101740840A (en) * 2010-02-25 2010-06-16 张禾 Battery-powered management method for electric automobile
CN102461354A (en) * 2009-04-21 2012-05-16 3M创新有限公司 Protection systems and methods for electronic devices

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102461354A (en) * 2009-04-21 2012-05-16 3M创新有限公司 Protection systems and methods for electronic devices
CN101740840A (en) * 2010-02-25 2010-06-16 张禾 Battery-powered management method for electric automobile

Similar Documents

Publication Publication Date Title
EP3107145B1 (en) Thermal management and automatic fire-extinguishing system of automobile battery
CN103779632B (en) There is the battery cooling system of fire-extinguishing function concurrently
EP3761430B1 (en) Fire suppression arrangement
US8361642B2 (en) Battery pack enclosure with controlled thermal runaway release system
EP3780316A1 (en) Battery temperature control device for battery charging and swapping station and electric-vehicle battery charging and swapping station
JP5119302B2 (en) Active thermal runaway mitigation system for use in battery packs
CN103879291B (en) A kind of safety device of vehicle
CN103779629A (en) Battery cooling system having extinguishing function
KR20180113795A (en) System and controlling method extinguising a fire for battery of vehicle
CN110892576A (en) Temperature control device for controlling the temperature of a battery system, battery system and method for controlling the temperature and/or extinguishing a fire of a battery system
CN102842738A (en) Lithium ion battery flame-retardant and explosion-proof device and method for electric automobile
US20220161078A1 (en) Method and cooling arrangement for cooling and dousing an overheated battery module of a high-voltage battery for a motor vehicle
CN103825059B (en) The heat management of a kind of automobile batteries and automatic fire extinguishing system
US20230070432A1 (en) Electrical energy storage device for a motor vehicle
CN112002958B (en) Battery pack spraying and cooling system
US10522879B2 (en) Cooling circuit for a battery having a Buchholz relay
CN113437398B (en) Battery thermal runaway treatment method, device, vehicle and medium
EP3910722A1 (en) Battery pack provided with a safety system for thermal runaway and vehicle provided with such battery pack
CN113422125B (en) Battery protection system and vehicle
CN113730849A (en) Fire extinguishing system
CN217139035U (en) Cabinet fire extinguishing systems charges and cabinet charges
US20230271512A1 (en) High voltage battery conditioning for battery electric vehicle
EP4197053A1 (en) Charging method, fire-protection device and charging station for an electric vehicle

Legal Events

Date Code Title Description
PB01 Publication
SE01 Entry into force of request for substantive examination
GR01 Patent grant