CN110406396A - It is integrated with the electric automobile chassis of battery case - Google Patents
It is integrated with the electric automobile chassis of battery case Download PDFInfo
- Publication number
- CN110406396A CN110406396A CN201910635899.7A CN201910635899A CN110406396A CN 110406396 A CN110406396 A CN 110406396A CN 201910635899 A CN201910635899 A CN 201910635899A CN 110406396 A CN110406396 A CN 110406396A
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- Prior art keywords
- battery case
- battery
- pieces
- bottom plates
- locking
- Prior art date
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- 230000007246 mechanism Effects 0.000 claims abstract description 46
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 239000003507 refrigerant Substances 0.000 claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 claims abstract description 19
- 229910045601 alloy Inorganic materials 0.000 claims description 25
- 239000000956 alloy Substances 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims description 3
- 230000029052 metamorphosis Effects 0.000 claims 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002269 spontaneous effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910001000 nickel titanium Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910017535 Cu-Al-Ni Inorganic materials 0.000 description 1
- 229910007570 Zn-Al Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Energy (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Automation & Control Theory (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of electric automobile chassis for being integrated with battery case, battery case is arranged on chassis, battery is stated by two pieces of bottom plate closings in the bottom of battery case, battery is provided on two pieces of bottom plates, retaining mechanism is equipped between two pieces of bottom plates, chassis is connected with refrigerant cooling mechanism, and battery case is connected with wind-cooling heat dissipating mechanism, refrigerant cooling mechanism and wind-cooling heat dissipating mechanism radiate to battery case simultaneously, as battery the temperature inside the box > T1When retaining mechanism unlock, two pieces of bottom plates open battery and are detached from corresponding battery case, the present invention carries out double-radiation function to battery case simultaneously by refrigerant cooling mechanism and wind-cooling heat dissipating mechanism, good heat dissipation effect, and when battery temperature is persistently increased to possible spontaneous combustion, the battery can be made to be detached from automobile by the unlock of retaining mechanism.
Description
Technical field
The present invention relates to batteries of electric automobile technical fields, and in particular to a kind of electric car bottom for being integrated with battery case
Disk.
Background technique
In recent years as automotive engineering is changed, while in response to the energy saving call with protection environment of country, new energy
Source automobile comes into being, and has pushed new-energy automobile technology fast-developing.Wherein electric car be using vehicle power supply as power,
It for gasoline automobile, has fewer environmental impacts, non-renewable gasoline resource can be substituted, development prospect is extensive
It is good.
But currently, many technologies of electric car are not still overripened, especially battery is at work due to battery, right
Temperature there are certain requirements, if temperature is excessively high, not only influence battery performance, and be easy to cause nature, explosion the problems such as appearance,
There are severe compromises, and automobile safety accident caused by excessive cause battery spontaneous combustion also occurs in recent years, has seriously affected people
To the degree of recognition of electric car.
Summary of the invention
In view of this, the present invention provides a kind of electric automobile chassis for being integrated with battery case.
Its technical solution is as follows: a kind of electric automobile chassis being integrated with battery case, including chassis, key are: institute
It states and offers N number of battery case bayonet on chassis, N number of battery case bayonet is distributed in array-like, card in the battery case bayonet
Equipped with battery case, the bottom of the battery case is closed by two pieces of bottom plates, is placed with battery on two pieces of bottom plates；
The chassis is connected with refrigerant cooling mechanism, and the battery case is connected with wind-cooling heat dissipating mechanism, the refrigerant heat dissipation
Mechanism and wind-cooling heat dissipating mechanism give the battery case to radiate simultaneously；
Two pieces of bottom plates are hinged with the inner wall of the battery case respectively, and retaining mechanism is equipped between two pieces of bottom plates, works as battery case
Interior temperature > T1The unlock of Shi Suoshu retaining mechanism, two pieces of bottom plates are opened, and the battery is detached from the corresponding battery case.
By adopting the above technical scheme, daily traveling on the way, refrigerant cooling mechanism and wind-cooling heat dissipating mechanism are simultaneously to battery
Case carries out double-radiation function, and good heat dissipation effect, the temperature for effectively preventing battery case is excessively high, influences the normal function of battery, works as electricity
When pond constant temperature is increased to possible spontaneous combustion, retaining mechanism unlock, battery automatically disengages automobile, and automobile can rely on coast one
It stops after the section time, then carries out the processing such as alarm, the present invention effectively improves the security reliability of battery by multiple-protection, protects
The safety for having demonstrate,proved driver and passenger, automobile itself prevents serious accident and reduces economic loss.
As further preferred:
Above-mentioned refrigerant cooling mechanism includes the compressor being sequentially connected in series, condenser, expansion valve and heat-exchange tube, wherein described
Heat-exchange tube is S-shaped to be coiled in the chassis, is equipped at least one straight section, institute between adjacent two column or two rows of battery cases
It states full of condensing agent in heat-exchange tube, the battery case is interior to be equipped with temperature sensor, as the temperature > T in the battery case2When,
The refrigerant cooling mechanism starting cooling, wherein 40 DEG C of < T2< T1.Using this structure, the optimum working temperature of battery is 15-25
DEG C, general control within 30 DEG C, more than 40 DEG C after battery service life and efficiency can decline, and when the temperature of battery is more than 40
DEG C, start refrigerant cooling mechanism in time and radiate to battery, can effectively promote the service life and efficiency of battery, while also can
Prevent that battery temperature is excessively high and leads to potential risks.
Above-mentioned wind-cooling heat dissipating mechanism includes heat dissipation wind channel, air collecting chamber and air-exhausting duct, is provided in the tank wall of the battery case perpendicular
The heat dissipation wind channel is formed to through-hole, for the air inlet of the heat dissipation wind channel towards chassis lower section, the chassis top passes through support
Frame is equipped with cover board, is equipped with the air collecting chamber in the cover board, the gas outlets of all vertical through holes by guide duct with it is described
Air collecting chamber connection, the air collecting chamber are connected with air-exhausting duct.Using this structure, the gas of bottom of car can be entered by heat dissipation wind channel
Battery case tank wall, and then be discharged through air-exhausting duct, effective cooling and heat dissipation can be played to battery case, this radiator structure makes full use of
Aerodynamics, realize air-flow automatically into and discharge, not only energy conservation and environmental protection, and even hinder in battery circuit
Effective cooling and heat dissipation can still be played the role of in the case where hindering.
It is separately installed with the air-exhausting duct in the A column of automobile, B column and C column, the gas outlet of the air-exhausting duct is located at automobile
Roof.Using this structure, when galloping, the high-speed flow at vehicle bottom is guided roof discharge, is reducing bottom of car
Air pressure while, moreover it is possible to certain suppressing action is played to automobile, achieve the purpose that reduce air lift, improve grabbing for automobile
Soil fertility keeps automobile more stable in the case where running at high speed.
Above-mentioned retaining mechanism includes locking latch, locking spring and memorial alloy item, is equipped in one of bottom plate
Latch groove, is equipped with sequentially connected memorial alloy item, locking spring and locking latch in the latch groove, in another described bottom plate
Equipped with locking hole, the memorial alloy item is pushed against the slot bottom of the latch groove by the locking spring inner end, outside locking spring
The locking latch is held out against in the locking hole bottom hole change of the memorial alloy item to lock two pieces of bottom plates by end
State temperature is T1, as battery the temperature inside the box > T1When, the memorial alloy item restores to spiral helicine stable state, the locking bullet
The slot bottom that spring drives locking latch towards latch groove is mobile, and the locking latch exits two pieces of bottom plates of the locking hole and solved
Lock.Using this structure, when battery temperature increases the transformation temperature for reaching memorial alloy item suddenly, memorial alloy item is deformed rapidly
Original state is returned to, so that locking latch be made to deviate from locking hole, bottom plate is opened, and battery falls off, and automobile can continue to slide one section
It stops after time, effectively prevents a possibility that battery burns in battery case.
The interface of upper two pieces of bottom plates is step-like in mutually matched three-level, and the three-level step of two pieces of bottom plates is public
Mother's cooperation, wherein on the terrace and table top of first order step, on the table top of second level step and on the terrace of third level step
It is respectively equipped with the first sealing strip, the terrace of second level step takes the form of inclined plane, and the latch groove is located on the terrace of second level step.
Using this structure, sealing is close at the docking of two bottom plates, can effective means battery case gas leakage, influence to take out vacuum effect.
Pressure sensor is installed around the battery in above-mentioned battery case, the pressure sensor connects with the battery
It touches, is also equipped with baroceptor in the battery case.Using this structure, it is enough for can detect battery by infrared distance sensor
There is bulging, can detect the air pressure in battery case by baroceptor.
Compared with prior art, beneficial effects of the present invention: refrigerant cooling mechanism and wind-cooling heat dissipating mechanism are simultaneously to battery
Case carries out double-radiation function, and good heat dissipation effect, the heat build-up for effectively preventing battery case is excessively high, when battery temperature is persistently increased to
When possible spontaneous combustion, the battery can be made to be detached from automobile by the unlock of retaining mechanism, automobile can be by coast for a period of time
After stop, then carry out the processing such as alarm, the present invention is effectively improved the security reliability of battery by multiple-protection, ensure that and drive
The safety for multiplying personnel, automobile itself prevents serious accident and reduces economic loss.
Detailed description of the invention
Fig. 1 is outline structural diagram of the invention；
Fig. 2 is schematic diagram of internal structure of the invention；
Fig. 3 is the enlarged drawing in the portion a in Fig. 2；
Fig. 4 is the planar structure schematic diagram on chassis；
Fig. 5 is the planar structure schematic diagram of cover board；
Fig. 6 is the structural schematic diagram that the present invention is mounted on automobile；
Fig. 7 is circuit diagram of the invention；
Fig. 8 is the circuit diagram of main microprocessor；
Fig. 9 is the circuit diagram from microprocessor.
Specific embodiment
The invention will be further described with attached drawing with reference to embodiments.
As shown in figs 1-9, a kind of electric automobile chassis being integrated with battery case, including chassis 1 open up on the chassis 1
There is N number of battery case bayonet, the N number of battery case bayonet rectangular array shape distribution (it can also be the array distribution of other forms,
Such as circle), battery case 2 is arranged in the battery case bayonet, battery 3 is placed in the battery case 2, and the chassis 1 connects
There is refrigerant cooling mechanism 4, the battery case 2 is connected with wind-cooling heat dissipating mechanism 5, the refrigerant cooling mechanism 4 and wind-cooling heat dissipating machine
Structure 5 radiates to the battery case 2 simultaneously；
The bottom of the battery case 2 is closed by two pieces of bottom plates 8, and two pieces of bottom plates 8 are cut with scissors with the inner wall of the battery case 2 respectively
It connects, retaining mechanism 7 is equipped between two pieces of bottom plates 8, the battery 3 is provided on two pieces of bottom plates 8, when temperature in battery case 2
> T1Shi Suoshu retaining mechanism 7 unlocks, and two pieces of bottom plates 8 are opened, and the battery 3 is detached from the corresponding battery case 2.
Specifically, the refrigerant cooling mechanism 4 includes that compressor, condenser, the expansion valve being sequentially connected in series (do not regard in figure
Out) and heat-exchange tube 401, it is coiled in the chassis 1 wherein the heat-exchange tube 401 is S-shaped, described in adjacent two column or two rows
At least one straight section is equipped between battery case 2, it is preferable that it sets between adjacent two column or two rows of battery cases 2 there are two straight section,
Two straight sections are positioned adjacent respectively to two column or two rows of battery cases 2, and it is (cold to be full of condensing agent in the heat-exchange tube 401
Solidifying agent can be R134, R134a, R22, R407c or R410a etc.), the battery case 2 is interior to be equipped with temperature sensor 402, works as institute
State the temperature > T in battery case 22When, the starting of refrigerant cooling mechanism 4 cooling, wherein 40 DEG C of < T2< T1。
The wind-cooling heat dissipating mechanism 5 includes heat dissipation wind channel 504, air collecting chamber 502 and air-exhausting duct 503, is led to above the chassis 1
It crosses support frame 9 and cover board 501 is installed, the battery case 2 is corresponded on the cover board 501 and is equipped with docking end cap, the top of the battery case 2
End is protruded into the docking end cap, and the top surface of the battery case 2 is fitted closely with the lower surface for docking end cap, the cover board
It is equipped with the air collecting chamber 502 in 501, is provided with vertical through holes in the tank wall of the battery case 2 and forms the heat dissipation wind channel 504, institute
The air inlet of heat dissipation wind channel 504 is stated towards 1 lower section of chassis, the gas outlets of all heat dissipation wind channels 504 by guide duct 505 with
The air collecting chamber 502 is connected to, and the air collecting chamber 502 is connected with air-exhausting duct 503, is separately installed in the A column of automobile, B column and C column
The air-exhausting duct 503, the gas outlet of the air-exhausting duct 503 are located at the roof of automobile, mountable discharge in the air-exhausting duct 503
Fan, to accelerate air draft, which is powered by the battery 3.
The retaining mechanism 7 includes locking latch 701, locking spring 703 and memorial alloy item 704, one of described
It is equipped with latch groove 702 in bottom plate 8, sequentially connected memorial alloy item 704, locking spring 703 and lock are equipped in the latch groove 702
Tight bolt 701, it is preferable that the " T " shape shape of the memorial alloy item 704, the locking spring 703 and memorial alloy item 704
Transverse arm is fixedly connected, and is equipped with locking hole 705 in another described bottom plate 8, and 703 inner end of locking spring is by the memorial alloy
The vertical arm of item 704 is pushed against the slot bottom of the latch groove 702, while 703 outer end of locking spring holds out against the locking latch 701
In 705 bottom hole of locking hole, so that two pieces of bottom plates 8 be locked, the memorial alloy item 704 is preferably that round trip memory is closed
Gold, transformation temperature T1, as temperature > T in battery case 21When, the memorial alloy item 704 restores to spiral helicine stable state,
The slot bottom that the locking spring 703 drives locking latch 701 towards latch groove 702 is mobile, and the locking latch 701 exits the lock
705 two pieces of the tieholen bottom plates 8 are unlocked.
To reinforce sealing, two pieces of bottom plates 8 are hinged by the inner wall of torsional spring and the battery case 2 respectively, the bottom plate 8
The inner wall of the battery case 2 of top is equipped with sealed batten, and the lower surface of the sealed batten takes the form of inclined plane, the bottom plate 8
The inclined-plane that upper surface corresponds to the sealed batten is equipped with matching inclined plane part, and the lower surface bonds of the sealed batten have the
Two sealing strips, the inclined plane part are pushed against on second sealing strip；
The interface of two pieces of bottom plates 8 is step-like in mutually matched three-level, and the three-level step of two pieces of bottom plates 8 is public
Mother's cooperation, wherein on the terrace and table top of first order step, on the table top of second level step and on the terrace of third level step
It is respectively equipped with the first sealing strip 706, the terrace of second level step takes the form of inclined plane, and the latch groove 702 is located at second level step
On terrace.
Wherein N number of battery 3 forms the power supply system of automobile in the form of multiple series connection and parallel connection, when one of them is super
When the battery 3 of temperature falls off, power supply system remains to output electric current, which remains to push running car, but exports electric current and become smaller.
For example 15 batteries, every 5 series connection are in parallel again after series connection.
The refrigerant cooling mechanism 4 is connected with control circuit, and the control circuit is provided with main microprocessor 100, and master is micro-
Processor 100 is connected with baroceptor 10, temperature sensor 402 and combined aural and visual alarm 101, baroceptor 10 and temperature
Sensor 402 is installed in battery case 2；
Main microprocessor 100 by temperature sensor 402 obtain battery case 3 in temperature, when in battery case 3 temperature be greater than set
Fixed temperature threshold T3When, main microprocessor 100 controls combined aural and visual alarm 101 and issues alarm signal, temperature threshold T3< T1, and
T2< T3, wherein T1For the maximum temperature limit value of battery case.
Temperature sensor 402 uses AD590 temperature sensor, and the lower end of temperature sensor 402 and the upper surface of battery 3 are supported
It connects, the upper end of temperature sensor 402 is threaded through in sleeve, and the inner cavity top of sleeve and battery case 2 is connected, and bullet is provided in sleeve
Spring, through the inner cavity top of spring connection sleeve, temperature sensor 402 is connected to battery 3 by spring for the upper end of temperature sensor 402
Upper surface.Main microprocessor 100 is also connected with reset button 102.
The control circuit further includes switching transistor Q, relay J, and main microprocessor 100 is provided with control terminal, and master is micro-
Processor 100 passes through the base stage of control terminal connection switch triode Q, and switching transistor Q controls the coil power on/off of relay J,
The switch of the normal open switch control compressor of relay J.
Wherein T2For the start-up temperature threshold value of refrigerant cooling mechanism 4, when temperature sensor 402 detects the battery case 2
Interior temperature > T2When, main microprocessor 100 is connected by control terminal control switch triode Q, and switching transistor Q controls relay
The coil of device J is powered, the opening of the normal open switch control compressor of relay J.Conversely, control compressor close, compressor by
Battery power supply.
A circle pressure distance measuring sensor 11, the pressure sensor 11 are installed around the battery 3 in the battery case 2
It is contacted with the battery 3, the pressure sensor 11 is LH-Z10 micro pressure sensor, passes through force pressure sensor 6
Pressure change may know that whether battery 3 has bulging.
As shown in fig. 6, B of the present invention is located at the bottom of automobile A, cover board 501 of the invention can be used as the floor of automobile, note
Recalling alloy bar 704 can be Nitinol etc., and in daily traveling, wind-cooling heat dissipating mechanism 5 is constantly in open state to battery case 2
Heat dissipation, after travelling a period of time, when the temperature in battery case 2 rises to T2When (such as 45 DEG C), opens compressor and pass through condensing agent
It radiates to chassis 1 and battery case 2, when temperature continues to be increased to T in battery case 21When, it is steady that memorial alloy item 704 returns back to spiral
Stationary state, locking spring 703 is passively mobile towards latch groove slot bottom end, and then drives the passively abjection locking hole 705 of locking latch 701,
Two pieces of bottom plates turn downward opening (as shown in figure 1 shown in the battery case of the rightmost side), and battery 3 thereon is detached from battery case 2, can basis
Different T1Different types of memorial alloy item 704, such as setting T may be selected1When being 100-130 DEG C, Ni-Ti, Cu- may be selected
The alloys such as Zn-Al, Cu-Al-Ni make memorial alloy item 704, set T1When being 180 DEG C, Ti-15Ni-25Pd may be selected and add
Add 10%Cu to make memorial alloy item 704, sets T1When being 230 DEG C or so, Ti-49.5Ni-15Hf may be selected and add 15%
Nb is as memorial alloy item.
There are two electrode columns for the setting of battery 3, and the inner wall top of the battery case 2 is provided with and two electrode columns cooperate
Electrode cap, electrode column insertion electrode cap in battery 3 is fixed, prevent battery 3 from all around swinging, electrode cap is connected with defeated
Conducting wire out.
Preferably, plating nickel spring is fixedly installed in electrode cap, plating nickel spring is abutted with electrode column.Figure omits.
Another scheme of detection 3 bulging of battery is: being equipped with infrared distance measurement around the battery 3 in the battery case 2
Sensor, the infrared distance sensor are contacted with the battery 3；Infrared distance sensor is connected with main microprocessor 100.
Infrared distance sensor detects that the distance of battery outer wall is sent to main microprocessor 100, if battery rouses
Swollen, then the distance of infrared distance sensor detection reduces.Infrared distance sensor is not contacted with battery 3, will not be occurred with battery 3
Friction.
Preferably, main microprocessor 100 is also connected with display screen, for showing the temperature of battery 3.
Main microprocessor 100 is through connecting baroceptor 10, pressure sensor 11, temperature sensor 402 from microprocessor；
One battery case 2 is correspondingly arranged on one from microprocessor.
Finally, it should be noted that foregoing description is only the preferred embodiment of the present invention, the ordinary skill people of this field
Member under the inspiration of the present invention, without prejudice to the purpose of the present invention and the claims, can make multiple similar tables
Show, such transformation is fallen within the scope of protection of the present invention.
Claims (7)
1. a kind of electric automobile chassis for being integrated with battery case, including chassis (1), it is characterised in that: opened up on the chassis (1)
There is N number of battery case bayonet, N number of battery case bayonet is distributed in array-like, is arranged with battery case in the battery case bayonet
(2), the bottom of the battery case (2) is closed by two pieces of bottom plates (8), is placed with battery (3) on two pieces of bottom plates (8)；
The chassis (1) is connected with refrigerant cooling mechanism (4), and the battery case (2) is connected with wind-cooling heat dissipating mechanism (5), described
Refrigerant cooling mechanism (4) and wind-cooling heat dissipating mechanism (5) radiate to the battery case (2) simultaneously；
Two pieces of bottom plates (8) are hinged with the inner wall of the battery case (2) respectively, are equipped with retaining mechanism (7) between two pieces of bottom plates (8),
As the interior temperature > T of battery case (2)1Shi Suoshu retaining mechanism (7) unlock, two pieces of bottom plates (8) are opened, and the battery (3) is de-
From the corresponding battery case (2).
2. the electric automobile chassis according to claim 1 for being integrated with battery case, it is characterised in that: the refrigerant heat dissipation machine
Structure (4) includes the compressor being sequentially connected in series, condenser, expansion valve and heat-exchange tube (401), wherein the heat-exchange tube (401)
It is S-shaped to be coiled in the chassis (1), it is equipped at least one straight section between adjacent two column or two rows of battery cases (2), it is described
It is full of condensing agent in heat-exchange tube (401), temperature sensor (402) are equipped in the battery case (2), when the battery case (2)
Interior temperature > T2When, refrigerant cooling mechanism (4) the starting cooling, wherein 40 DEG C of < T2< T1。
3. the electric automobile chassis according to claim 1 or 2 for being integrated with battery case, it is characterised in that: described air-cooled scattered
Heat engine structure (5) includes heat dissipation wind channel (504), air collecting chamber (502) and air-exhausting duct (503), is provided in the tank wall of the battery case (2)
Vertical through holes are formed the heat dissipation wind channel (504), and the air inlet of the heat dissipation wind channel (504) is towards below chassis (1), the bottom
Cover board (501) are installed by support frame (9) above disk (1), are equipped with the air collecting chamber (502) in the cover board (501), Suo Yousuo
The gas outlet for stating vertical through holes is connected to by guide duct (505) with the air collecting chamber (502), and the air collecting chamber (502) is connected with
Air-exhausting duct (503).
4. the electric automobile chassis according to claim 3 for being integrated with battery case, it is characterised in that: A column, the B column of automobile
Be separately installed in C column the air-exhausting duct (503), the gas outlet of the air-exhausting duct (503) is located at the roof of automobile.
5. the electric automobile chassis according to claim 3 for being integrated with battery case, it is characterised in that: the retaining mechanism
(7) include locking latch (701), locking spring (703) and memorial alloy item (704), be equipped in one of bottom plate (8)
Latch groove (702), the latch groove (702) is interior to be equipped with sequentially connected memorial alloy item (704), locking spring (703) and locking
Bolt (701) is equipped with locking hole (705) in another described bottom plate (8), and locking spring (703) inner end is by the memory
Alloy bar (704) is pushed against the slot bottom of the latch groove (702), and the locking latch (701) are pushed up in locking spring (703) outer end
Tightly in the locking hole (705) bottom hole to lock two pieces of bottom plates (8), the metamorphosis temperature of the memorial alloy item (704)
Degree is T1, as the interior temperature > T of battery case (2)1When, the memorial alloy item (704) is restored to spiral helicine stable state, the lock
The slot bottom that tight spring (703) drives locking latch (701) towards latch groove (702) is mobile, and the locking latch (701) is exited described
(705) two pieces of the locking hole bottom plates (8) are unlocked.
6. the electric automobile chassis according to claim 5 for being integrated with battery case, it is characterised in that: two pieces of bottom plates
(8) interface is step-like in mutually matched three-level, the three-level step male and female cooperation of two pieces of bottom plates (8), wherein first
The first sealing is respectively equipped on the terrace and table top of grade step, on the table top of second level step and on the terrace of third level step
Item (706), the terrace of second level step take the form of inclined plane, and the latch groove (702) is located on the terrace of second level step.
7. the electric automobile chassis according to claim 1 for being integrated with battery case, it is characterised in that: the battery case (2)
Interior to be equipped with pressure sensor (11) around the battery (3), the pressure sensor (11) contacts with the battery (3), institute
It states in battery case (2) and is also equipped with baroceptor (10).
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