CN110416455A - The explosion-proof dropping structure of batteries of electric automobile group - Google Patents
The explosion-proof dropping structure of batteries of electric automobile group Download PDFInfo
- Publication number
- CN110416455A CN110416455A CN201910635903.XA CN201910635903A CN110416455A CN 110416455 A CN110416455 A CN 110416455A CN 201910635903 A CN201910635903 A CN 201910635903A CN 110416455 A CN110416455 A CN 110416455A
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- Prior art keywords
- battery case
- battery
- negative pressure
- pieces
- locking
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- 238000005086 pumping Methods 0.000 claims 6
- 230000000740 bleeding effect Effects 0.000 claims 5
- 229910045601 alloy Inorganic materials 0.000 claims 4
- 239000000956 alloy Substances 0.000 claims 4
- 238000003032 molecular docking Methods 0.000 claims 3
- 238000007789 sealing Methods 0.000 claims 2
- 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 1
- 238000009434 installation Methods 0.000 claims 1
- 230000029052 metamorphosis Effects 0.000 claims 1
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000002360 explosive Substances 0.000 abstract 1
- 230000002269 spontaneous effect Effects 0.000 abstract 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
- 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
- B60L50/66—Arrangements of batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of explosion-proof dropping structures of batteries of electric automobile group, 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, as battery the temperature inside the box > T, retaining mechanism is unlocked, two pieces of bottom plates open battery and are detached from corresponding battery case, the present invention can be discharged by taking out the flammable explosive gas that negative pressure mechanism timely releases battery, to provide valuable buffer time for driver, 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, to which the safety of automobile be effectively ensured.
Description
Technical field
The present invention relates to batteries of electric automobile technical fields, and in particular to a kind of explosion-proof knot that falls off of batteries of electric automobile group
Structure.
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 explosion-proof dropping structures of batteries of electric automobile group.
Its technical solution is as follows: a kind of explosion-proof dropping structure of batteries of electric automobile group, 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, and two pieces of bottom plates are hinged with the inner wall of the battery case respectively,
It is placed with battery on two pieces of bottom plates, is equipped with retaining mechanism, the locking as battery the temperature inside the box > T between two pieces of bottom plates
Mechanism unlock, 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, when encountering emergency situations, battery temperature is persistently increased to possibility
When spontaneous combustion, retaining mechanism is unlocked, and battery automatically disengages automobile, and automobile can stop afterwards for a period of time by coast, then into
The processing such as row alarm, thereby ensure that the safety of driver and passenger, automobile itself, prevent serious accident and reduce warp
Ji loss.
As further preferred:
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 T, and as battery the temperature inside the box > T, the memorial alloy item restores to spiral helicine stable state, the locking spring
The slot bottom for driving locking latch towards latch groove is mobile, and the locking latch exits two pieces of bottom plates of the locking hole and is unlocked.
Using this structure, when battery temperature increases the transformation temperature for reaching memorial alloy item suddenly, memorial alloy item is deformed back rapidly
To original state (helical form), 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
Row stops after a period of 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.
All battery cases are connected with the same pumping negative pressure mechanism, which aspirates in each battery case
Air.Using this structure, when battery, which is abnormal, releases flammable explosive gas, taking out negative pressure mechanism can be timely by battery
The discharge of the flammable explosive gas such as the sulfur dioxide, hydrogen, the oxygen that release, prevents these gases to be enriched in battery case highly concentrated
It spends and sets off an explosion, to take defensive measure to provide valuable operable time for car owner, greatly improve electric car
Safety coefficient.
Above-mentioned pumping negative pressure mechanism includes negative pressure runner and negative pressure cavity, and the chassis top is equipped with cover board by support frame,
The top surface of the battery case and the lower surface of the cover board fit closely, and each row or each column electricity are corresponded in the cover board
Pond case is equipped with a negative pressure runner, and the inner cavity of the battery case is connected to the corresponding negative pressure runner, in the cover board
It is additionally provided with the negative pressure cavity, the negative pressure runner is connected to the negative pressure cavity, and the negative pressure cavity is connected with vacuum pump.Using this knot
Inflammable and explosive automobile in battery case can be extracted out in time, make inwardly to keep certain vacuum degree, prevent battery quick-fried by structure, vacuum pump
It is fried.
The case top of above-mentioned battery case is equipped with bleeding point, is equipped with the plug that shape therewith matches in the bleeding point, described
Correspond to the bleeding point on cover board and offer pumping slot, the notch of the pumping slot is opposite with the bleeding point, the pumping slot with
The corresponding negative pressure runner is connected to, and is equipped with plug spring in the pumping slot, which pushes to take out by the plug
Port is provided with mandril on the battery, which overcomes plug spring force, and the plug is jacked up to make the battery
The inner cavity of case is connected to the negative pressure runner.Using this structure, when reach capacity situation after battery be detached from battery case after, plug exists
It is automatically fallen off under the action of plug spring and blocks bleeding point, so that entire negative pressure runner be made to be still in sealing state, not shadow
Ring the pumping negative pressure of other battery cases.
The battery case is corresponded on above-mentioned cover board and is equipped with docking end cap, and the docking end cap is protruded on the top of the battery case
It is interior, sealing ring is equipped between the inner wall of the docking end cap and the outer wall of the battery case.Using this structure, battery case and cover board
The better tightness of junction.
Compared with prior art, it beneficial effects of the present invention: when battery, which is abnormal, releases flammable explosive gas, takes out
The discharge of the flammable explosive gas such as sulfur dioxide, hydrogen, the oxygen that negative pressure mechanism can timely release battery, prevents these gas
Body is enriched with excessive concentrations in battery case and sets off an explosion, and takes defensive measure to provide valuable buffer time for driver,
And when battery temperature is persistently increased to possible spontaneous combustion, the battery can be made to be detached from automobile, automobile by the unlock of retaining mechanism
It can stop afterwards for a period of time by coast, then carry out the processing such as alarm, the present invention effectively improves electricity by multiple-protection
The security reliability in pond ensure that the safety of driver and passenger, automobile itself, prevents serious accident and reduces economic damage
It loses.
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 circuit diagram of the invention；
Fig. 7 is the circuit diagram of main microprocessor；
Fig. 8 is the circuit diagram from microprocessor.
Specific embodiment
The invention will be further described with attached drawing with reference to embodiments.
As shown in figures 1-8, a kind of explosion-proof dropping structure of batteries of electric automobile group, including chassis 1 open up on the chassis 1
There is N number of battery case bayonet, N number of battery case bayonet rectangular array shape distribution (is also possible to for example circular battle array of other shapes
Column distribution), battery case 2 is arranged in the battery case bayonet, and the bottom of the battery case 2 is closed by two pieces of bottom plates 8, two pieces of bottoms
Plate 8 is hinged with the inner wall of the battery case 2 respectively, and battery 3 is placed on two pieces of bottom plates 8, is equipped with lock between two pieces of bottom plates 8
Tight mechanism 5, as temperature > T in battery case 2, the retaining mechanism 5 is unlocked, and two pieces of bottom plates 8 are opened, and the battery 3 is detached from
The corresponding battery case 2.
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 retaining mechanism 5 includes locking latch 501, locking spring 503 and memorial alloy item 504, one of described
It is equipped with latch groove 502 in bottom plate 8, sequentially connected memorial alloy item 504, locking spring 503 and lock are equipped in the latch groove 502
Tight bolt 501, it is preferable that the " T " shape shape of the memorial alloy item 504, the locking spring 503 and memorial alloy item 504
Transverse arm is fixedly connected, and is equipped with locking hole 505 in another described bottom plate 8, and 503 inner end of locking spring is by the memorial alloy
The vertical arm of item 504 is pushed against the slot bottom of the latch groove 502, while 503 outer end of locking spring holds out against the locking latch 501
In 505 bottom hole of locking hole, so that two pieces of bottom plates 8 be locked, the memorial alloy item 504 is preferably that round trip memory is closed
Gold, transformation temperature T, as temperature > T in battery case 2, the memorial alloy item 504 restores to spiral helicine stable state,
The slot bottom that the locking spring 503 drives locking latch 501 towards latch groove 502 is mobile, and the locking latch 501 exits the lock
505 two pieces of the tieholen bottom plates 8 are unlocked.
To reinforce sealing, the interface of two pieces of bottom plates 8 is step-like in mutually matched three-level, two pieces of bottom plates 8
The cooperation of three-level step male and female, wherein on the terrace and table top of first order step, on the table top of second level step and the third level
The first sealing strip 506 is respectively equipped on the terrace of step, the terrace of second level step takes the form of inclined plane, and the latch groove 502 is located at
On the terrace of second level step.
Two pieces of bottom plates 8 are hinged by the inner wall of torsional spring and the battery case 2 respectively, described above the bottom plate 8
The inner wall of battery case 2 is equipped with sealed batten, and the lower surface of the sealed batten takes the form of inclined plane, and the upper surface of the bottom plate 8 is corresponding
The inclined-plane of the sealed batten is equipped with matching inclined plane part, and the lower surface bonds of the sealed batten have the second sealing strip,
The inclined plane part is pushed against on second sealing strip
All battery cases 2 are connected with the same pumping negative pressure mechanism 4, which aspirates each battery
Air in case 2, specifically, the pumping negative pressure mechanism 4 include negative pressure runner 401 and negative pressure cavity 402, are led to above the chassis 1
It crosses support frame 9 and cover board 400 is installed, the battery case 2 is corresponded on the cover board 400 and is equipped with docking end cap 408, the battery case
2 top is protruded into the docking end cap 408, and the top surface of the battery case 2 is closely pasted with the lower surface for docking end cap 408
It closes, is equipped with sealing ring 409 between the inner wall of the docking end cap 408 and the outer wall of the battery case 2, it is right in the cover board 400
Answer each row or each column battery case 2 to be equipped with a negative pressure runner 401, the inner cavity of the battery case 2 with it is corresponding
The negative pressure runner 401 is connected to, and the negative pressure cavity 402 is additionally provided in the cover board 400, and the negative pressure runner 401 is born with described
Chamber 402 is pressed to be connected to, the negative pressure cavity 402 is connected with vacuum pump 403.
To ensure that entire negative pressure runner 401 still keeps sealing state, the battery case 2 after any one battery 3 falls off
Case top be equipped with bleeding point 404, which is up big and down small conical opening, is equipped with shape therewith in the bleeding point 404
The plug 407 that shape matches is equipped with seal washer 411, the cover board between the plug 407 and the inner wall of the bleeding point 404
The bleeding point 404 is corresponded on 400 and offers pumping slot 405, and the notch of the pumping slot 405 and the bleeding point 404 are opposite, institute
It states pumping slot 405 to be connected to the corresponding negative pressure runner 401, plug spring 406 is installed in the pumping slot 405, this is stifled
Head spring 406 pushes the plug 407 to bleeding point 404, is provided with mandril 410 on the battery 3, which overcomes stifled
The elastic force of head spring 406 jacks up the plug 407 to connect the inner cavity of the battery case 2 with the negative pressure runner 401
It is logical.
Baroceptor 7 is also equipped in the battery case 2, the pumping negative pressure mechanism 4 is connected with control circuit, the control
Circuit processed is provided with main microprocessor 100, and main microprocessor 100 is connected with the baroceptor 7 and combined aural and visual alarm
101；
According to the switch of the signal Kong Chou negative pressure mechanism 4 of baroceptor 7, the battery case 3 is interior to be gone back main microprocessor 100
Temperature sensor (using AD590 temperature sensor) is installed, main microprocessor 100 obtains battery case 3 by temperature sensor
Interior temperature, when temperature is greater than the temperature threshold T ' of setting in battery case 3, main microprocessor 100 controls combined aural and visual alarm 101 and sends out
Alarm signal out, temperature threshold T ' < T, wherein T is the maximum temperature limit value of battery case.Main microprocessor 100 is also connected with multiple
Position button 102.
The control circuit includes switching transistor Q, relay J, and main microprocessor 100 is provided with control terminal, main micro- place
The base stage that device 100 passes through control terminal connection switch triode Q is managed, switching transistor Q controls the coil on-off of the second relay J
Electricity, the switch of the normal open switch control vacuum pump 403 of relay J.
When main microprocessor 100 passes through interior air pressure >=1/2 or 0.7 atmospheric pressure that baroceptor 7 detects battery case
Qiang Shi, main microprocessor 100 are connected by control terminal control switch triode Q, and switching transistor Q controls the coil of relay J
It is powered, the opening of the normal open switch control vacuum pump 403 of relay J.Conversely, control vacuum pump 403 is closed, pressure is supplied by battery
Electricity.
A circle pressure sensor 6 is installed around the battery 3 in the battery case 2, the pressure sensor 6 with it is described
Battery 3 contacts, and the pressure sensor 6 is LH-Z10 micro pressure sensor, passes through the pressure change of force pressure sensor 6
It may know that whether battery 3 has bulging.
The present invention is located at the bottom of automobile, and cover board 400 of the invention can be used as the floor of automobile, memorial alloy item 404
It can be Nitinol etc., it (can also when baroceptor 7 detects air pressure >=1/2 or 0.7 atmospheric pressure in battery case 2
To be other values, as long as the vacuum degree in battery case 2 is greater than preset vacuum degree), it opens vacuum pump 403 and is taken out very to battery case 2
Sky, when temperature continues to be increased to T in battery case 2, memorial alloy item 404 returns back to spiral helicine stable state, locking spring 403
It is passively mobile towards latch groove slot bottom end, and then locking latch 401 is driven passively to deviate from locking hole 405, two pieces of bottom plates 8 turn downward
It opens (as shown in figure 1 shown in the battery case of the rightmost side), battery 3 thereon is detached from battery case 2, can be may be selected not according to different T
Congener memorial alloy item 404, for example when setting T as 100-130 DEG C, Ni-Ti, Cu-Zn-Al, Cu-Al-Ni etc. may be selected
Alloy make memorial alloy item 704, set T be 180 DEG C when, may be selected Ti-15Ni-25Pd simultaneously add 10%Cu production remembers conjunction
Gold bar 704 when setting T as 230 DEG C or so, may be selected Ti-49.5Ni-15Hf and simultaneously add 15%Nb 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 program of detection 3 bulging of battery is: being equipped with infrared distance measurement biography 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 7, pressure sensor 6, temperature sensor 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 explosion-proof dropping structure of batteries of electric automobile group, 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), two pieces of bottom plates (8) inner wall with the battery case (2) respectively
Hingedly, it is placed with battery (3) on two pieces of bottom plates (8), is equipped with retaining mechanism (5) between two pieces of bottom plates (8), works as battery case
(2) retaining mechanism (5) unlock, two pieces of bottom plates (8) are opened when interior temperature > T, and the battery (3) is detached from corresponding institute
State battery case (2).
2. the explosion-proof dropping structure of batteries of electric automobile group according to claim 1, it is characterised in that: the retaining mechanism
(5) include locking latch (501), locking spring (503) and memorial alloy item (504), be equipped in one of bottom plate (8)
Latch groove (502), the latch groove (502) is interior to be equipped with sequentially connected memorial alloy item (504), locking spring (503) and locking
Bolt (501) is equipped with locking hole (505) in another described bottom plate (8), and locking spring (503) inner end is by the memory
Alloy bar (504) is pushed against the slot bottom of the latch groove (502), and the locking latch (501) are pushed up in locking spring (503) outer end
Tightly in the locking hole (505) bottom hole to lock two pieces of bottom plates (8), the metamorphosis temperature of the memorial alloy item (504)
Degree is T, and as the interior temperature > T of battery case (2), the memorial alloy item (504) is restored to spiral helicine stable state, the locking
The slot bottom that spring (503) drives locking latch (501) towards latch groove (502) is mobile, and the locking latch (501) exits the lock
Tieholen (505), two pieces of bottom plates (8) are unlocked.
3. the explosion-proof dropping structure of batteries of electric automobile group according to claim 1 or 2, it is characterised in that: two pieces of bottoms
The interface of plate (8) is step-like in mutually matched three-level, the three-level step male and female cooperation of two pieces of bottom plates (8), wherein the
It is close that first is respectively equipped on the terrace and table top of level-one step, on the table top of second level step and on the terrace of third level step
Strip of paper used for sealing (, 506), the terrace of second level step takes the form of inclined plane, and the latch groove (502) is located on the terrace of second level step.
4. the explosion-proof dropping structure of batteries of electric automobile group according to claim 3, it is characterised in that: all battery cases
(2) it is connected with the same pumping negative pressure mechanism (4), which aspirates the air in each battery case (2).
5. the explosion-proof dropping structure of batteries of electric automobile group according to claim 4, it is characterised in that: the pumping negative pressure mechanism
(4) include negative pressure runner (401) and negative pressure cavity (402), pass through support frame (9) above the chassis (1) and cover board is installed
(400), the top surface of the battery case (2) and the lower surface of the cover board (400) fit closely, corresponding in the cover board (400)
Each row or each column battery case (2) are equipped with a negative pressure runner (401), the inner cavity of the battery case (2) with it is right
The negative pressure runner (401) connection answered, the cover board (400) is interior to be additionally provided with the negative pressure cavity (402), the negative pressure runner
(401) it is connected to the negative pressure cavity (402), the negative pressure cavity (402) is connected with vacuum pump (403).
6. the explosion-proof dropping structure of batteries of electric automobile group according to claim 5, it is characterised in that: the battery case (2)
Case top be equipped with bleeding point (404), the plug (407) that shape therewith matches, the cover board are installed in the bleeding point (404)
(400) bleeding point (404) is corresponded on offers pumping slot (405), the notch and the bleeding point of the pumping slot (405)
(404) relatively, the pumping slot (405) is connected to the corresponding negative pressure runner (401), installation in the pumping slot (405)
There are plug spring (406), which pushes the plug (407) bleeding point (404) to, sets on the battery (3)
Mandril (410) are equipped with, which overcomes the elastic force of plug spring (406), and the plug (407) are jacked up to make institute
The inner cavity for stating battery case (2) is connected to the negative pressure runner (401).
7. the explosion-proof dropping structure of batteries of electric automobile group according to claim 6, it is characterised in that: the cover board (400)
The upper correspondence battery case (2) is equipped with docking end cap (408), and the docking end cap (408) is protruded on the top of the battery case (2)
It is interior, sealing ring (409) are equipped between the inner wall of docking end cap (408) and the outer wall of the battery case (2).
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