CN105977579B - A kind of temperature control type power battery pack - Google Patents

A kind of temperature control type power battery pack Download PDF

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Publication number
CN105977579B
CN105977579B CN201610592446.7A CN201610592446A CN105977579B CN 105977579 B CN105977579 B CN 105977579B CN 201610592446 A CN201610592446 A CN 201610592446A CN 105977579 B CN105977579 B CN 105977579B
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battery
groove
plate
main casing
end cover
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CN105977579A (en
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张福谦
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Shanghai Dianyue Technology Co ltd
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Individual
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    • 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
    • H01M10/61—Types of temperature control
    • H01M10/615—Heating or keeping warm
    • 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
    • H01M10/617—Types of temperature control for achieving uniformity or desired distribution of 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
    • H01M10/62—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
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/647—Prismatic or flat cells, e.g. pouch cells
    • 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
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • 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
    • H01M10/6567—Liquids
    • 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
    • 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
    • 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

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

Abstract

The invention discloses a kind of temperature control type power battery pack, for solving heat dissipation problem.It includes battery, samming piece and housing, the housing includes main casing, upper plate and end cap, battery is installed between main casing internal partition and partition plate, and it is separately filled with heat conductive silica gel and samming piece in the both sides of battery, several transparent through holes are provided in partition plate, are cooling duct.The photo-thermal collecting plate is mounted on roof location, and the medium inlet and outlet of photo-thermal collecting plate is connected to cooling liquid outlet and cooling liquid inlet by liquid pump respectively, and radiator is set up in parallel with the photo-thermal collecting plate.The present invention with preferable heat conduction, the capability of antidetonance, and can be avoided heat shrinkage, be brought guarantee to the safe operation of power battery, ensured during operation, always within the control range of safety using ceramic shell.

Description

A kind of temperature control type power battery pack
Technical field
The present invention relates to power battery technology field, in particular to a kind of power battery pack with function of temperature control.
Background technology
With being showing improvement or progress day by day for science and technology, increasingly tend to maturing for the research of pure electric automobile, due to Pure electric automobile has the characteristics that efficient, environmental protection, it will progressively substitute traditional combustion engine automobile within following decades, and become The main means of transport of each city traffic circuit in the world.But for the energy supply source of pure electric automobile --- the property of power battery The development of electric vehicle but can be largely constrained, often the service life of battery, the feature of environmental protection and security reliability are determined The quality of electric vehicle and the operation conditions of new-energy automobile are determined.
Power battery is a kind of battery that electric energy can be provided for the various vehicles, relatively commonly to mini-plant power supply For battery, it has larger electric energy storage, disclosure satisfy that the demand of larger electric energy.Why power lithium-ion battery becomes The research hotspot of the world today is primarily due to have many application characteristics during its use, such as high-energy density, High security, the recycling under high magnification partial state of charge, for cycle life up to 3000 times or more, operating temperature range is wide (- 30 DEG C~65 DEG C) etc..
In general, power battery all need to carry out charge and discharge in various applications with higher electric current, it is often accompanied by the process Exothermic reaction occurs.Temperature has the performance of power battery a vital influence, power battery for temperature variation often Very sensitive, the otherness of battery temperature decides the service life of battery and its stability, and lithium ion battery is optimum Operating ambient temperature is between 0 DEG C~30 DEG C.Specifically, influence of the temperature for battery shows two aspects：Work as temperature When spending relatively low, the room temperature dynamics of power battery is limited, chemical reaction velocity curtain, energy is easy to lose, it is impossible to which satisfaction makes With requiring；When temperature is higher, the chemical reaction of inside battery substantially aggravates, and reaction rate and temperature are into Series Relations, temperature Degree often increases by 10 DEG C, and chemical reaction velocity doubles, and can cause the internal resistance of cell is opposite to become smaller, battery efficiency gets a promotion.But compared with High temperature equally also accelerates adverse reaction rate, and fragile pole plate is also also easy to produce and overcharges, and seriously affect battery uses the longevity Life generates permanent damages to battery structure.Especially during battery use, when being subject to Joule heat, reaction heat, the shadows such as polarization heat It rings, substantial amounts of heat aggregation, temperature steeply rises, and influences battery life and cycle efficieny, serious or even set off an explosion, therefore will There is certain temperature limiting.
The main heat sink device of current battery bag is mainly using centrifugal battery radiator fan, i.e., air-cooled, turns in addition The three-phase permanent magnet synchronous motor of minor is realized using fixed pane to accumulator as driving motor, heat dissipation air port Heat dissipation.At summer, when environment temperature is higher, it is only necessary to which opening radiator fan to battery can radiate.However, work as During into winter, the operating ambient temperature of battery is relatively low, and cold air is put into battery case by fixed pane according to meeting.Temperature in battery It spends low, is unfavorable for the electrochemical reaction of battery, requirement can not be met.
The content of the invention
It is a primary object of the present invention to provide a kind of power battery pack with structure of controlling temperature, to solve in the prior art Power battery heat dissipation dress can not according to environment temperature automatically adjust heat dissipation performance the problem of and battery can not be in optimal shape The problem of state works.
The technical scheme is that：Power battery pack with function of temperature control, including battery, samming piece and housing, It is characterized in that, the battery is tabular, the electrode of the battery is integrated on the upside of battery, and the samming piece includes Woven wire and graphite, it is described graphite-filled to be formed in the mesh of woven wire and by pressing process with certain elasticity Samming piece；The housing includes main casing, upper plate and end cap, wherein, the main casing is made of bottom plate and three side plates Uncovered structure, and be internally provided with several partition plates being set parallel to each other in main casing, installed between the partition plate and partition plate There is battery, and heat conductive silica gel and samming piece are separately filled in the both sides of battery, the end cap is arranged on main casing one side； Several transparent through holes are provided in the partition plate, the through hole upper end is connected with the first groove, and lower end is recessed with second Slot connects, wherein the first groove is arranged on the top plate of main casing, the second groove is arranged on the bottom plate of main casing, and top plate is arranged on bottom plate Opposite side；The upper plate is mounted on the top of main casing by screw, and be provided on the inside of upper plate several the Three grooves, the 3rd groove are correspondingly arranged with the first groove, and are provided with and partition plate cooperation in the surrounding of the 3rd groove The 3rd seal groove, rubber seal is filled in the 3rd seal groove；On each corresponding upper plate of the 3rd groove One cooling liquid outlet of corresponding setting is provided with the first seal groove in the surrounding of the upper plate, is filled in the first seal groove There is rubber seal；Electrode break is provided at the top of the upper plate, a lower end is fixed in installation in the downside of main casing Lid, is provided in bottom end cover inner surface and spreads chute, the chute of spreading leads to including main channel, subaisle and voltage stabilizing Road, main channel described in strip are located at the middle position of bottom end cover, are two symmetrically arranged voltage stabilizing passages in the both sides of bottom end cover, The voltage stabilizing passage is the skewed slot that autonomous channel is gradually formed slopely to both sides, and the surrounding of the bottom end cover is provided with the second sealing Slot and rubber seal；The subaisle of several connection main channels and voltage stabilizing passage is provided in main channel both sides, in voltage stabilizing passage In be uniformly disposed with the turbulent protrusions of several cones, the turbulent flow protrusion tip is concentric with the through hole and is inserted into through hole Place；It is set in the main channel there are one the cooling liquid inlet downward through bottom end cover, the main casing is ceramic component；
The end cap, upper plate and bottom end cover are all aluminium alloy element.
Further, the battery is lithium battery core.
Further, the woven wire uses 10 mesh specification stainless steel cloths.
Technique effect is：
Using ceramic shell, there is preferable heat conduction, the capability of antidetonance, and heat shrinkage can be avoided, to power battery Safe operation brings guarantee, ensures during operation, always within the control range of safety.
Whole system is cooled down using outer circulation to power battery, is regulated and controled according to temperature control system, for controlling the speed of liquid pump, Achieve the purpose that samming.The control of wherein liquid pump is completed under the allotment of electric-control system.
Metal and it is nonmetallic each play respective performance characteristics, and solve battery self-expanding, heat dissipation, heating, antiknock Etc. a series of the problem of being susceptible to, the performance of battery pack entirety is improved.
Description of the drawings
Fig. 1 is the principle of the present invention figure.
Fig. 2 is the stereogram of battery pack.
Fig. 3 is the sectional view at partition plate in Fig. 2.
Fig. 4 is the stereogram of main casing.
Fig. 5 is the top view of main casing.
Fig. 6 is the stereogram of bottom plate.
Fig. 7 is the stereogram of upper plate.
Fig. 8 is the present invention and the schematic diagram of electrocar.
In figure：1 battery, 2 housings, 21 main casings, 211 bottom plates, 212 side plates, 213 partition plates, 214 through holes, 22 upper plates, 221 electrode breaks, 23 end caps, 3 samming pieces, 41 first grooves, 42 second grooves, 43 the 3rd grooves, 45 cooling liquid outlets, 46 is cold But liquid import, 51 first seal grooves, 52 second seal grooves, 53 the 3rd seal grooves, 54 spread chute, and 541 main channels, 542 is secondary Passage, 543 voltage stabilizing passages, 544 turbulent protrusions, 61 Miniature liquid pumps, 62 radiators, 63 photo-thermal collecting plates, 64 solenoid valves.
Specific embodiment
As shown in Figures 1 to 7, for power battery even temperature effect is poor, coolant is even to battery inhomogeneous cooling, does not resist The defects of quick-fried and cooling system construction is complicated, protection main body of the invention is as follows：
Exploitation is a kind of power battery pack with even temperature effect, and power battery can be caused to be maintained at basicly stable In temperature range, and by undulated control in rational scope.
Power battery pack arrangement provided by the invention is as follows：
Including battery 1, samming piece 3, housing 2, wherein battery 1 is tabular, such as lithium battery core, therein The electrode of battery 1 is integrated in one side, including positive and negative electrode, is typically designed as tabular or bulk, and sets on it Have electrode, according to position arrangement, below emphasis detailed analysis is carried out to samming piece.Since the emphasis of the present invention does not lie in battery The improvement of core, therefore no details will be provided to the structure of battery.
Power battery, due to the accumulation of internal temperature, has larger temperature rise phenomenon, especially in charge and discharge process It is during the Accelerating Traveling of Automobiles, can even more forms larger heating, the phenomenon that this heating can be cashed outside as battery The slightly increase of core volume, the expansion of housing, by temperature test, temperature can rise to 100 degree even more than, this heating is inclined Best effort scope from battery can cause the service life reduction of power battery, further influence its security performance, such as certainly Combustion and self-destruction.
In addition, in cold winter, outside air temperature is relatively low, such as minus 20 degrees, the electric discharge of power battery can be influenced, it is necessary to Increase temperature control system to control into trip temperature.
During temperature control, the volume of battery can change, and expand with heat and contract with cold, it is necessary to be adjusted, one controls it Deformation.
It deformed during samming piece is made, it is necessary to caused by 1 temperature-rise period of battery, expand and consider, and Its deformation is comprehensively utilized, achievees the purpose that temperature is effectively controlled to heat up.
Samming piece 3 is graphite flake, and including woven wire and graphite, wherein woven wire uses 10 mesh specifications, and graphite is filled out It fills in the mesh of woven wire, forms the samming piece with certain elasticity, and graphite is not easy to send out under the action of woven wire It is raw broken, and can have certain telescopicing performance.
Housing parts include main casing 21, upper plate 22 and end cap 23, wherein, main casing 21 is by bottom plate 211 and three What side plate 212 formed, and several partition plates 213 being set parallel to each other are provided between bottom plate and a side plate, partition plate with every Cavity between plate is battery installation space, and wherein partition plate and above-mentioned main casing are integral molding, above-mentioned main casings Body 21 is ceramic component, and several transparent through holes 214 are provided in partition plate, 214 upper end of through hole and the first groove 41 Connection, lower end are connected with the second groove 42, wherein the first groove 41 is arranged on the top plate of main casing 21, the second groove 42 is arranged on master On the bottom plate 211 of housing 21, top plate is arranged on the opposite side of bottom plate 211, wherein the effect of the first groove and the second groove is to carry For an equal fluid space, for being uniformly distributed for liquid.
The overall dimensions of battery pack in order to control, the thickness control of partition plate in 5 millimeters, through-hole diameter in 2 millimeters, And be conducive to the reduction of case weight.
Upper plate 22 is a rectangular slab, is formed using aluminium alloy secondary machine, and main casing is mounted on by screw Top, and several the 3rd grooves 43 are provided on the inside of upper plate, the 3rd groove 43 is correspondingly arranged with the first groove, and The surrounding of 3rd groove 43 is provided with the 3rd seal groove 53 with the cooperation of above-mentioned partition plate, and it is close to be filled with rubber in the 3rd seal groove Seal, for the sealing at partition plate.
One cooling liquid outlet 45 of corresponding setting on each 43 corresponding upper plate of the 3rd groove, for extraneous cold But liquid circulation line.
The surrounding of above-mentioned upper plate is provided with the first seal groove 51, rubber seal is filled in the first seal groove.
Electrode break 221 is provided at the top of above-mentioned upper plate 22, the electrode of battery can be exposed by the notch, Convenient for the connection of cable.
In the downside of main casing 21, a bottom end cover 5 is fixed in installation, and bottom end cover 5 is fixed by screws in bottom, in lower end Lid inner surface, which is provided with, spreads chute 54, and spreading chute includes main channel 541, subaisle 542 and voltage stabilizing passage 543, Wherein main channel 541 is located at the middle position of bottom end cover, is two voltage stabilizing passages 543 in the both sides of bottom end cover, two voltage stabilizings are led to Road is symmetrical arranged, and voltage stabilizing passage is the skewed slot that autonomous channel is gradually formed slopely to both sides, that is to say, that voltage stabilizing passage is under What the middle position of end cap was gradually deepened to both sides.
The surrounding of bottom end cover is provided with the second seal groove 52, for being coordinated with above-mentioned bottom plate, prevents leakage.
Several subaisles 542 are provided in main channel both sides, for the connection between main channel and voltage stabilizing passage so that main Coolant in passage can smoothly into voltage stabilizing passage, since the cavity area of voltage stabilizing passage is larger, what main channel came After coolant reaches, the flow velocity of coolant reduces, and forms the coolant of stable state.
Several turbulent protrusions 544, the turbulent flow protrusion 544 and leading in aforementioned barriers are uniformly disposed in voltage stabilizing passage Hole, which corresponds, to be set, and turbulent protrusion 544 is cone, and tip is concentric with through hole and is inserted into slightly at through hole hole, shape Into action of turbulent flow.
It is set in main channel 541 there are one the cooling liquid inlet 46 downward through bottom end cover, for the supply of coolant.
End cap 23, several, be arranged on main casing one side, for internal cell core closure and maintenance, it is necessary to when overhauling, Open the capping of side.
Above-mentioned end cap, upper plate, bottom end cover are light using aluminum alloy material, and disclosure satisfy that installation requirement.Main casing Using ceramic component, good heat conductivity, convenient for heat conduction.
Battery 1 is mounted in space between partition plate and partition plate, during installation, in the uniform application heat conduction in the one side of battery Then silica gel is tucked into the gap between partition plate and hot plate, then in the opposite side (no silica gel) of battery, battery with Samming piece 3 is filled between partition plate, samming piece is used to implement the conduction of heat, realizes maximum heat conduction.
Above-mentioned battery is multiple to be parallelly disposed with respect to one another, and can be in partition plate close to battery position set temperature sensing Device for gathering the temperature of battery, cools down the flow velocity and temperature-controllable of medium so that the temperature-controllable in battery pack, cooling Liquid after cycling takes away the heat of battery, forms cooling.
And ceramic component coefficient of thermal expansion is small, after battery-heating, battery can be expanded as a monomer, samming Sector-meeting deforms under the compressing of battery, and the thermal deformation of main casing is almost nil, it is ensured that the total volume of battery pack It will not change, and then ensure the safety of battery pack.
Main casing is uncovered structure, convenient for manufacture.
Explosion time, the presence of housing is occurring, but the explosive forces of battery are eased, and battery list A explosion dynamics is limited, and the presence of partition plate to form independent space between multiple batteries, will not cause mutual It influences.
The outer circulation of cooling medium uses Miniature liquid pump 61 using liquid pump and radiating mode, wherein liquid pump, and heat dissipation and automobile are certainly The radiator 62 of band is connected, and is dissipated heat using automobile radiators, radiator serves as the effect of cold water storage cistern, reference chart 8。
Heat medium outer circulation uses liquid pump and photo-thermal heating mode, wherein, liquid pump uses Miniature liquid pump 61, heating and light Hot collecting plate 63 is connected, and photo-thermal collecting plate uses solar energy optical-thermal collecting plate, mounted on roof location, using solar energy into Row heating, heats power battery pack, convenient for the rapid promotion of temperature, with reference to figure 8.
Above-mentioned cooling and heating is switched under the control of solenoid valve 64.
Winter is heated using photo-thermal collecting plate to battery pack, and summer is cooled down using radiator to battery pack, and coordinates car Temperature control control system, control its temperature.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention, not to the model of the present invention It encloses and is defined, on the premise of design spirit of the present invention is not departed from, various changes of the relevant technical staff in the field to the present invention Shape and improvement should all expand as determined by claims of the present invention in protection domain.

Claims (3)

1. temperature control type power battery pack, including battery (1), samming piece (3) and housing (2), which is characterized in that the battery (1) it is tabular, the electrode of the battery (1) is integrated on the upside of battery,
The samming piece (3) includes woven wire and graphite, described graphite-filled in the mesh of woven wire and to pass through compacting Technique forms the samming piece with certain elasticity；
The housing includes main casing (21), upper plate (22) and end cap (23), wherein, the main casing (21) is by bottom plate (211) and the uncovered structure of three side plates (212) composition, and several partition plates being set parallel to each other are internally provided in main casing (213), battery between the partition plate and partition plate is installed, and heat conductive silica gel and samming are separately filled in the both sides of battery Piece, the end cap (23) are arranged on main casing one side；Several transparent through hole (214) upper ends are provided in the partition plate It is connected with the first groove (41), lower end is connected with the second groove (42), wherein the first groove (41) is arranged on the top of main casing (21) On plate, the second groove (42) is arranged on the bottom plate (211) of main casing (21), and top plate is arranged on the opposite side of bottom plate (211)；
The upper plate (22) is mounted on the top of main casing by screw, and be provided on the inside of upper plate several the 3rd Groove (43), the 3rd groove (43) are correspondingly arranged with the first groove, and are provided with and institute in the surrounding of the 3rd groove (43) The 3rd seal groove (53) of partition plate cooperation is stated, rubber seal is filled in the 3rd seal groove；In each the 3rd groove (43) one cooling liquid outlet (45) of corresponding setting on corresponding upper plate, it is close to be provided with first in the surrounding of the upper plate Sealing groove (51), the first seal groove is interior to be filled with rubber seal；Electrode break is provided at the top of the upper plate (22) (221),
In the downside of main casing (21), a bottom end cover (5) is fixed in installation, is provided in bottom end cover inner surface and is spread chute (54), the chute of spreading includes main channel (541), subaisle (542) and voltage stabilizing passage (543), main channel described in strip (541) it is located at the middle position of bottom end cover, is two symmetrically arranged voltage stabilizing passages (543) in the both sides of bottom end cover, it is described steady Pressure passageway is the skewed slot that autonomous channel is gradually formed slopely to both sides, and the surrounding of the bottom end cover is provided with the second seal groove (52) And rubber seal；
The subaisle (542) of several connection main channels and voltage stabilizing passage is provided in main channel both sides, in voltage stabilizing passage uniformly The turbulent protrusion (544) for being disposed with several cones, turbulent flow protrusion (544) tip is concentric with the through hole and is inserted into Through hole；It is set in the main channel (541) there are one the cooling liquid inlet (46) downward through bottom end cover,
The main casing (21) is ceramic component；
The end cap (23), upper plate (22) and bottom end cover (5) are all aluminium alloy element.
2. temperature control type power battery pack according to claim 1, which is characterized in that the battery is lithium battery Core.
3. temperature control type power battery pack according to claim 1, which is characterized in that the woven wire uses 10 mesh specifications Stainless steel cloth.
CN201610592446.7A 2016-07-26 2016-07-26 A kind of temperature control type power battery pack Active CN105977579B (en)

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