CN109216601A - Battery tray and battery pack assembly with it - Google Patents
Battery tray and battery pack assembly with it Download PDFInfo
- Publication number
- CN109216601A CN109216601A CN201710526277.1A CN201710526277A CN109216601A CN 109216601 A CN109216601 A CN 109216601A CN 201710526277 A CN201710526277 A CN 201710526277A CN 109216601 A CN109216601 A CN 109216601A
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- China
- Prior art keywords
- heat pipe
- tray
- battery
- heat
- pipe
- Prior art date
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Classifications
-
- 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
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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
- H01M10/617—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
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
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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
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of battery tray and with its battery pack assembly, the battery tray includes: tray body；Separator, the separator are suitable for connecting above the tray body with the tray body；And heat management portion, the heat management portion includes heat pipe, and a part of the heat pipe is embedded in the separator, and the part outside the stretching separator of the heat pipe limits multiple accommodation spaces with the separator in the tray body jointly.Battery tray according to an embodiment of the present invention, it is not only light-weight, intensity is good, but also radiate more evenly.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of battery tray and with it battery pack it is total
At.
Background technique
In the related technology, the energy density for improving battery is the important means optimized to power battery, and conventional mentions
The method of the energy density of high battery has following two: one is use the higher material of energy density；Another kind is by right
The improvement of battery structure makes same battery modules obtain higher energy density.Wherein, the improvement of battery structure is usually adopted
Method is exactly lightweight, densification, especially best with light weight effect, usually by reduce or remove section structural or
Material thickness is reduced, although the above method can reduce the weight of battery pack, but will also result in the decline of the intensity of battery pack,
Cause the safety and reliability of battery pack poor.
Simultaneously as the raising to requirements such as power battery multiplying power, power, the heat management of battery in use also at
For the main aspect currently researched and developed.The technology of current main-stream has liquid cooling, air-cooled, Phase cooling etc., and heat management system is mostly only
It erects and sets in battery modules or battery pack, not only increase design difficulty, and be unfavorable for densification and light-weighted demand.
In addition, heat management structure is usually located at battery bottom, radiating efficiency is lower.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention propose it is a kind of heavy
Amount is light, intensity is good and the battery tray of heat dissipation more evenly.
The invention also provides a kind of battery pack assemblies with above-mentioned battery tray.
The battery tray of embodiment includes: tray body according to a first aspect of the present invention；Separator, the separator are suitable for
It is connect above the tray body with the tray body；And heat management portion, the heat management portion includes heat pipe, the heat
A part of pipe is embedded in the separator, and the part outside the stretching separator of the heat pipe and the separator are total
With limiting multiple accommodation spaces for placing battery in the tray body.
Battery tray according to an embodiment of the present invention, by setting heat management portion to facilitate the heat to battery to carry out pipe
Reason, especially facilitates the heat dissipation of battery, improves radiating efficiency.Further, by making heat pipe and separator jointly in pallet
Multiple accommodation spaces for being used to accommodate battery cell are limited on ontology, so that battery cell can directly be contacted with heat pipe, into
And the heat of battery cell is enable quickly to be transmitted on heat pipe, heat exchange efficiency is not only increased, and make the heat dissipation of battery more
Uniformly.
Battery tray according to an embodiment of the invention, the heat management portion include cold pipe and heat pipe, the separator
Interior have a holding tank, and the holding tank has a notch, a part of the heat pipe and the cold pipe be located at the holding tank it is interior and
Another part of the heat pipe is stretched out from the notch of the holding tank.
In some embodiments, the separator is grid, and the grid includes the diaphragm plate of orthogonal connection and indulges
Partition, the diaphragm plate and the midfeather are vertically connected in the tray body, and the holding tank is formed in the cross
On at least one of partition and the midfeather.
In some embodiments, a part of the heat pipe and the cold pipe are embedded on the diaphragm plate, the heat pipe
Another part and the midfeather it is parallel to each other；Or the heat pipe a part and the cold pipe be embedded in the midfeather
On, another part of the heat pipe and the diaphragm plate are parallel to each other.
Optionally, the number of the notch is multiple, and multiple notches are symmetrically distributed in the two sides of the diaphragm plate, position
Adjacent notch in the same side is separated by midfeather.
Battery tray according to an embodiment of the invention, the heat pipe extends longitudinally and the cold pipe transversely prolongs
It stretches, the number of the heat pipe is that multiple and multiple heat pipes are transversely distributed, and multiple heat pipes are symmetrical and are connected to
The two sides of the cold pipe, the holding tank are formed on the diaphragm plate.
The junction of battery tray according to an embodiment of the invention, the cold pipe and the heat pipe mutually fits, institute
Cold pipe is stated to be bonded and connect or the cold pipe and the heat pipe pass through weldering with the heat pipe by the heat insulating mattress of housing on it
The mode of connecing is bonded.
Battery tray according to an embodiment of the invention, the cold pipe has the through-hole opposite with the heat pipe, described
Refrigerant is directly contacted by the through-hole with the heat pipe, and the edge of the through-hole and the heat pipe are welded to connect and seal.
Battery tray according to an embodiment of the invention, the cold pipe and the heat pipe are flat tube.
Battery tray according to an embodiment of the invention, the separator is interior to have holding tank, the heat pipe at least portion
For quartile in the holding tank, the holding tank forms the flowing lumen being in communication with the outside.
In some embodiments, a part of the heat pipe is located in the holding tank and another part of the heat pipe is embedding
In the tray body.
In some embodiments, the separator is grid, and the grid includes the diaphragm plate of orthogonal connection and indulges
Partition, the diaphragm plate and the midfeather are vertically connected in the tray body, and the holding tank is formed in the cross
On at least one of partition and the midfeather.
Optionally, a part of the heat pipe is embedded on the diaphragm plate, and another part of the heat pipe is indulged with described
Partition is parallel to each other；Or a part of the heat pipe is embedded on the midfeather, another part of the heat pipe with it is described
Diaphragm plate is parallel to each other.
Battery tray according to an embodiment of the invention, the tray body: tray bottom, the tray bottom are carbon
Fibrous layer and/or glass layer；Reinforcement part；And tray top, the tray top are suitable for being stacked in the tray bottom
The top and reinforcement part is clipped between the tray bottom and the tray top, the tray top be carbon fiber layer and/
Or glass layer.
The battery pack assembly of embodiment includes: battery and the battery tray according to a second aspect of the present invention.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the fractionation schematic diagram of battery tray according to a first embodiment of the present invention.
Fig. 2 is the schematic diagram of battery tray according to a first embodiment of the present invention.
Fig. 3 is the fractionation schematic diagram of battery tray according to a second embodiment of the present invention.
Fig. 4 is the schematic diagram of battery tray according to a second embodiment of the present invention.
Fig. 5 is the fractionation schematic diagram of battery tray according to an embodiment of the present invention (heat management portion is not shown).
Fig. 6 is the schematic diagram of battery tray according to an embodiment of the present invention (heat management portion is not shown).
Fig. 7 is the schematic cross-sectional view of battery tray according to an embodiment of the present invention (heat management portion is not shown).
Fig. 8 is the partial enlargement diagram of B area in Fig. 7.
Fig. 9 is that (reinforcement part is for the partial enlargement diagram of the reinforcement part of battery tray according to an embodiment of the invention
Honeycomb).
Figure 10 is that (reinforcement part is light alloy for the schematic diagram of the reinforcement part of battery tray according to another embodiment of the present invention
Skeleton).
Appended drawing reference:
Battery tray 100,
Tray bottom 10, the second bottom wall 11, second sidewall 12,
Reinforcement part 20, light alloy skeleton 20a, honeycomb hole 21, outer skeleton 22, inner frame 23,
Tray top 30, the first bottom wall 31, the first side wall 32, mounting lug c,
Rigid mounting portion 40, defining flange 41, installation through-hole 42,
Heat management portion 50, heat pipe 51, cold pipe 52, refrigerant inlet 521, refrigerant outlet 522,
Separator 60, diaphragm plate 61, midfeather 62, holding tank 63, notch 631.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
Battery tray 100 according to an embodiment of the present invention is described below with reference to Fig. 1 to Fig. 8.
As shown in Figure 1 and Figure 5, the battery tray 100 of embodiment includes: tray body, divides according to a first aspect of the present invention
Spacing body 60 and heat management portion 50.
Separator 60 is suitable for connecting above tray body with tray body.Wherein, heat management portion 50 includes heat pipe 51, heat
A part of pipe 51 is embedded in separator 60, and heat pipe 51 and separator 60 limit multiple receivings skies in tray body jointly
Between.
Battery tray 100 according to an embodiment of the present invention, by setting heat management portion 50 with facilitate to the heat of battery into
Row management, especially facilitates the heat dissipation of battery, improves radiating efficiency.Further, by keeping heat pipe 51 and separator 60 total
It is multiple for accommodating the accommodation space of battery cell with being limited in tray body, so that battery cell can be straight with heat pipe 51
Contact, and then the heat of battery cell is enable quickly to be transmitted on heat pipe 51, heat exchange efficiency is not only increased, and make electricity
The heat dissipation in pond is more evenly.
First embodiment
Battery tray 100 according to an embodiment of the invention, heat management portion 50 include cold pipe 52 and heat pipe 51, separator
There is holding tank 63, holding tank 63 has notch 631, and a part of heat pipe 51 and cold pipe 52 are located in holding tank 63 and heat in 60
Another part of pipe 51 is stretched out from the notch 631 of holding tank 63.Specifically, cold pipe 52 is entirely located in the holding tank 63 of separator 60
Interior, the pipeline section of heat pipe 51 connecting with cold pipe 52 is located in holding tank 63, and another part pipeline section of heat pipe 51 is from holding tank 63
Notch 631 is stretched out and is stretched in tray body.
In Fig. 1 and specific embodiment shown in Fig. 2, separator 60 can be grid, and grid includes orthogonal connection
Diaphragm plate 61 and midfeather 62, diaphragm plate 61 and midfeather 62 be vertically connected in tray body, and holding tank 63 is formed in
On at least one of diaphragm plate 61 and midfeather 62.Specifically, diaphragm plate 61 extends along the length direction of battery tray 100,
Midfeather 62 extends along the width direction of battery tray 100, and diaphragm plate 61 and midfeather 62 are orthogonal and link together.Its
In, diaphragm plate 61 is vertical with tray body to be connect and refers to and generally vertically connect, including but not limited to completely vertical, that is to say, that horizontal
The angle of partition 61 and tray body is about 90 degree in a certain range.Similarly, connect vertical with tray body of midfeather 62 is
Finger generally vertically connects, including but not limited to completely vertical, that is to say, that midfeather 62 and the angle of tray body are on 90 degree
In lower a certain range.
Preferably, the number of notch 631 is multiple, and multiple notches 631 are symmetrically distributed in the two sides of diaphragm plate 61, is located at same
The adjacent notch 631 of side is separated by midfeather 62.In this way, heat pipe 51 and 62 cross-distribution of midfeather, each meeting
Under the premise of the radiating requirements of battery cell, reduce costs.
In some embodiments, a part of heat pipe 51 and cold pipe 52 are embedded one in diaphragm plate 61 and midfeather 62
On, another part of heat pipe 51 in diaphragm plate 61 and midfeather 62 another is parallel to each other.
In other words, a part of heat pipe 51 and cold pipe 52 are embedded on diaphragm plate 61, another part of heat pipe 51 and mediastinum
It is parallel to each other in plate 62；Or a part and cold pipe 52 of heat pipe 51 are embedded on midfeather 62, another part of heat pipe 51 with
Diaphragm plate 61 is parallel to each other.
Arrangement as a result, inside battery tray 100 is more compact, reasonable, realizes the maximization of accommodation space.
As shown in Fig. 2, heat pipe 51 extends longitudinally and cold pipe 52 extends transversely, the number of heat pipe 51 is multiple and multiple
Heat pipe 51 is transversely distributed, and multiple heat pipes 51 are symmetrical and are connected to the two sides of cold pipe 52, and holding tank 63 is formed in diaphragm plate
On 61.As a result, by the way that a part setting of cold pipe 52 and heat pipe 51 in grid 60, is reduced the loss of refrigeration capacity of cold pipe 52,
Make cold pipe 52 that can not only carry out heat exchange with heat pipe 51 to radiate to battery.
Referring to shown in Fig. 2, the number of heat pipe 51 be it is multiple, the number of cold pipe 52 is one, each generally L of heat pipe 51
Shape.As a result, each heat pipe 51 be more evenly distributed rationally, the heat dissipation of battery tray 100 is more evenly.
Preferably, heat pipe 51 and cold pipe 52 are flat tube, shown in Figure 2.Heat is not only increased as a result,
The heat exchange area of pipe 51 and cold pipe 52 improves heat exchange efficiency, and reduces the weight in heat management portion 50, reduces to battery
The occupancy in the space of pallet 100 keeps the more compact structure of battery tray 100 reasonable.
In some embodiments, cold pipe 52 has the refrigerant flowing lumen of U-shaped and the refrigeration positioned at the end of cold pipe 52
Agent import 521 and refrigerant outlet 522.Refrigerant inlet 521 is connected with refrigerant flowing lumen respectively with refrigerant outlet 522
Logical, refrigerant inlet 521 and refrigerant outlet 522 are located at the same end or difference end of cold pipe 52.The structure of cold pipe 52 is more as a result,
It is compact, arrangement it is more reasonable.
There is refrigerant to enter pipe and refrigerant discharge leader for the end of cold pipe 52, and refrigerant inlet 521 is formed in refrigerant
Into on pipe, refrigerant outlet is formed on refrigerant discharge leader, and the side wall of battery tray, which has, enters pipe for the refrigerant
The through-hole stretched out with refrigerant discharge leader.
Second embodiment
In Fig. 3 into specific embodiment shown in Fig. 4, heat management portion 50 includes heat pipe 51, has in separator 60 and accommodates
Slot 63, heat pipe 51 are at least partially disposed in holding tank 63, and holding tank 63 forms the flowing lumen being in communication with the outside.
The quick conduction of heat is realized by heat pipe 51 as a result, while being sent by extraneous cooling device into flowing lumen
Wind is cooled down with opposite heat tube 51, so that heat pipe 51 is continued the heat derives of battery, heat exchange efficiency is higher.
Wherein, a part of heat pipe 51 and be located at separator 60 in, another part of heat pipe 51 can be embedded at pallet sheet
In vivo.
Specifically, as shown in Figure 6 and Figure 7, a part of heat pipe 51 is located in separator 60, and another part of heat pipe 51 can
To be embedded in tray body completely or partially, the top surface of the pipeline section for being embedded at tray body of heat pipe 51 can be higher than pallet sheet
The upper surface of body, can also be with the upper surface flush of tray body, or the upper surface lower than tray body.
When the upper surface of the horizontal pipe section 511 of heat pipe 51 is lower than the upper surface of tray body, battery can not be contacted directly
Heat pipe 51 need to cooperate heat-conducting piece to use so that in the heat normal conduction to heat pipe 51 of battery.Specifically, heat-conducting piece can be silicon
One or more of glue, polyurethane, epoxy resin.
In specific embodiment shown in Fig. 4, separator 60 can be grid, and grid includes the tabula of orthogonal connection
Plate 61 and midfeather 62, diaphragm plate 61 and midfeather 62 are vertically connected in tray body, and holding tank 63 is formed in diaphragm plate
On at least one of 61 and midfeather 62.Specifically, diaphragm plate 61 extends along the length direction of battery tray 100, midfeather
62 extend along the width direction of battery tray 100, and diaphragm plate 61 and midfeather 62 are orthogonal and link together.
In certain embodiments, heat pipe 51 extends longitudinally, and the number of heat pipe 51 is multiple and multiple 51 edges of heat pipe
Cross direction profiles, multiple heat pipes 51 are symmetrical, and holding tank 63 can be formed on diaphragm plate 61.
Referring to shown in Fig. 8, the number of heat pipe 51 be it is multiple, each heat pipe 51 is generally L-shaped.Each heat pipe 51 as a result,
It is more evenly distributed rationally, the heat dissipation of battery tray 100 is more evenly.
Preferably, heat pipe 51 is flat tube, shown in Figure 6.The thermally conductive of heat pipe 51 is not only increased as a result,
Area improves heat exchange efficiency, and reduces the weight in heat management portion 50, reduces accounting for the space of battery tray 100
With keeping the more compact structure of battery tray 100 reasonable.
In some embodiments, a part of heat pipe 51 is embedded on one in diaphragm plate 61 and midfeather 62, heat pipe
51 another part in diaphragm plate 61 and midfeather 62 another is parallel to each other.
In other words, a part of heat pipe 51 is embedded on diaphragm plate 61, in another part and midfeather 62 of heat pipe 51 mutually
It is parallel；Or a part of heat pipe 51 is embedded on midfeather 62, another part and diaphragm plate 61 of heat pipe 51 are parallel to each other.
Arrangement as a result, inside battery tray 100 is more compact, reasonable, realizes the maximization of accommodation space.
Preferably, the top surface of tray body has heat insulating coat.Specifically, heat insulating coat can be airsetting
Glue heat insulating coat.By the way that above-mentioned heat insulating coat is arranged to prevent extraneous heat from conducting to battery and influence the heat of battery, together
When can be avoided the temperature of battery and radiate around along 50 transmittance process of heat management portion, improve heat conduction efficiency.
The junction of battery tray 100 according to an embodiment of the invention, cold pipe 52 and heat pipe 51 mutually fits, cold pipe
52 are bonded and are connect with heat pipe 51 by the heat conductive pad of housing on it.In further embodiments, cold pipe 52 and heat pipe 51 are logical
Cross welding manner fitting.
Specifically, heat conductive pad can be one or more of silica gel, polyurethane, epoxy resin.
Preferably, tray bottom 10 is carbon fiber layer and/or glass layer, and tray top 30 is suitable for folded
It sets above tray bottom 10 and reinforcement part 20 is clipped between tray bottom 10 and tray top 30, tray top 30 is carbon fiber
Layer and/or glass layer.
As a result, by will be located at the tray top 30 at top and be arranged to carbon fiber layer positioned at the tray bottom 10 of bottom,
Simultaneously reinforcement part 20 and heat management portion 50 can the structural strength to carbon fiber carry out enhancing supplement so that battery tray 100 exists
The stress-bearing capability and elongation at break of all directions are all optimized and are improved, reduce battery tray 100 impacted or by
The damage being subject to when shock.In this way, being not only able to achieve the lightweight of battery tray 100, but also improve the intensity of battery tray 100.
In addition, reinforcement part 20 also has heat-insulated insulation, the transmitting between inside and outside heat is obstructed, especially in ambient temperature height
When the temperature of internal cell, battery tray can play good heat insulation, excessively high to avoid battery temperature.
In Fig. 6 into specific embodiment shown in Fig. 10, tray top 30, tray bottom 10 and reinforcement part are basically illustrated
20 structure, heat management portion 50 are not shown.
As shown in Figure 5 and Figure 6, battery tray 100 according to an embodiment of the invention, the density of reinforcement part 20 can be
0.01g/cm3-3g/cm3.Reinforcement part 20 uses above-mentioned light material as a result, carries out enhancing benefit in the intensity to battery tray 100
While filling, the weight of battery tray 100 will not be increased too much.
In some embodiments, reinforcement part 20 is any one of foaming piece, honeycomb, viscose part or any several
Combination.Wherein, foaming piece refers to that the internal structure with irregular foam, honeycomb refer to internal with rule and uniform bee
There are a large amount of general character, the shape and size of the honeycomb hole of honeycomb relatively to foam for the class honeycomb of socket bore, foaming piece and honeycomb
The foam of part is more regular orderly, therefore the effect of the shock absorbing of honeycomb, absorption Impact energy is more preferable.
Preferably, reinforcement part 20 is sheet foaming piece, sheet honeycomb or sheet viscose part, tray bottom
Reinforcement structure (not shown) is additionally provided between 10 and tray top 30, specifically, reinforcement structure can be clipped in tray bottom
Between 10 and tray top 30 and pass through reinforcement part 20, one end of reinforcement structure connect with tray bottom 10 and reinforcement structure it is another
One end is connect with tray top 30.Reinforcement structure further enhances tray bottom 10, tray top 30 and reinforcement part as a result,
The compactness and fastness of 20 threes connection.
Wherein, reinforcement structure can be reinforcing prop or reinforcing rib, and reinforcement structure can be with tray bottom 10 and tray top
In 30 any one be integrally formed and it is Nian Jie with another, the upper surface of reinforcement part 20 can be with the lower surface of tray top 30
The lower surface of bonding and reinforcement part 20 can be Nian Jie with the upper surface of tray bottom 10.
According to some embodiments of the present invention, as shown in Figure 7 and Figure 8, tray top 30 include the first bottom wall 31 and with
The first side wall 32 of the first bottom wall of protrusion 31 of first bottom wall 31 connection, tray bottom 10 include the second bottom wall 11 and with second
The second sidewall 12 for the second bottom wall of protrusion 11 that bottom wall 11 connects, clamps reinforcement part between the first bottom wall 31 and the second bottom wall 11
20, reinforcer (not shown) is clamped between the first side wall 32 and second sidewall 12.Further, reinforcer using aluminium,
Any one of aluminium alloy, magnesium material, magnesium alloy.
In this way, reinforcer be the metal structure with preferable intensity, and then can for tray bottom 10 provide it is enough according to
Attached power, and better position-limiting action can be played to battery, prevent battery caused by Vehicular vibration from shaking damage battery tray
Disk 100；Reinforcement part 20 is fire any one of part, honeycomb, viscose part, and the weight to guarantee reinforcement part 20 is less big, from
And improve the total integral safety and reliability of battery pack.
Foaming piece can use silica gel foamed material, polyurethane foam material, PPO foamed material, PP foamed material, PVC
Any one of foamed material, light-weight metal foamed material or any a variety of combination.That is, when reinforcement part 20 is foaming
When part, foaming piece can use silica gel foamed material, polyurethane foam material, PPO foamed material, PP foamed material, PVC foam
At least one of material, light-weight metal foamed material are made.Light-weight metal foamed material can be in foaming aluminum or foaming magnesium
It is any.
It is appreciated that light alloy foamed material has both the advantages of foamed material and both materials of light alloy material,
It is not only light-weight, and intensity is good.
Other embodiment according to the present invention, honeycomb have multiple honeycomb holes 21, and multiple honeycomb holes 21 are uniformly distributed
In honeycomb, the cross section of honeycomb hole 21 is any one of round, polygon.Specifically, cellular material can have it is more
A polygonized structure or circular configuration heap arrange, and multiple honeycomb holes are cylindrical hole and multiple honeycomb holes 21 are spaced each other simultaneously solely
It is vertical.As shown in fig. 7, the shape of honeycomb is similar to honeycomb when the cross section of honeycomb hole 21 is hexagon.
Further, honeycomb can be using aramid fiber type cellular material, phenol aldehyde type cellular material, alloy cellular material, pottery
Any one of porcelain cellular material or any a variety of combination.That is, honeycomb can be synthetic fibre type cellular material, phenol aldehyde type
Any one of cellular material, alloy cellular material, ceramic honeycomb material, any two kinds be also possible in above-mentioned different materials
Or the composite material of a variety of compositions.
In some embodiments, reinforcement part 20 is light alloy plate or light alloy skeleton 20a.Thereby, it is possible into
The thickness and weight of one step reduction reinforcement part 20.It can guarantee the strong of reinforcement part 20 in particular by light alloy skeleton 20a
The weight that reinforcement part 20 is reduced while spending is advantageously implemented the whole lightweight of battery tray 100.
In specific embodiment shown in Fig. 10, light alloy skeleton 20a includes the outer skeleton 22 of annular and is connected to
Inner frame 23 in outer skeleton 22.Optionally, outer skeleton 22 is generally square in cross-section, and inner frame 23 includes the horizontal skeleton to intersect with each other
And longitudinal framework, the both ends of horizontal skeleton extend respectively to two short sides of outer skeleton, the both ends of longitudinal framework extend respectively to
Two long sides of outer skeleton.
Light alloy skeleton 20a uses above-mentioned shape as a result, not only facilitates machine-shaping, but also be battery tray 100
Each section even intensity avoids the occurrence of stress concentration.
In addition, the shape of light alloy skeleton 20a is not limited to shape shown in the drawings, the chamfered shape of outer skeleton 22 can
With consistent with the chamfered shape of battery tray 100, correspondingly, the length of the outer skeleton 22 of light alloy skeleton 20a is also by it
The shape of battery tray 100 at distribution limits.
In Fig. 5 and specific embodiment shown in Fig. 9, tray top 30 include the first bottom wall 31 and with the first bottom wall 31
The first side wall 32 of the first bottom wall of protrusion 31 of connection, tray bottom 10 include the second bottom wall 11 and connect with the second bottom wall 11
The second bottom wall of protrusion 11 second sidewall 12, the top of the first side wall 32 connect with the top of second sidewall 12 and makes pallet top
The accommodating chamber for reinforcement part 20 to be arranged is limited between portion 30 and tray bottom 10.
In this way, second sidewall 12 and the first side wall 32 can provide limit for placement of the battery in battery tray 100, have
Effect prevents battery from shaking in battery tray 100.Since the bottom wall of battery tray 100 is as main weight bearing area, will preferably mend
The strong setting of portion 20 opposite with the first bottom wall 31 and the second bottom wall 11, the more compact structure of such battery tray 100, it is more convenient plus
Work production.
According to some embodiments of the present invention, the first side wall 12 or second sidewall 32 have mounting lug c, mounting lug c
Inside it is embedded rigid mounting portion 40.Certainly, the present invention is not limited thereto, in tray top 30, tray bottom 10 and reinforcement part 20
At least one on rigid mounting portion can be set.
In specific embodiment shown in Fig. 8, the first side wall 12 and second sidewall 32 all have mounting lug c, the first side
Two installations that the mounting lug c of wall 32 and the mounting lug c of second sidewall 12 are oppositely arranged and are oppositely arranged in above-below direction
Same rigid mounting portion 40 is embedded in lug c.
Rigid mounting portion 40 can carry out reinforcement to mounting lug c as a result, enhance the non-deformability of mounting lug c, this
Sample when battery tray 100 is installed on vehicle body, rigid mounting portion 40 can enhance battery tray 100 connect with vehicle body it is tight
Close property and stability.
According to some embodiments of the present invention, rigid mounting portion 40 is metal mounting post, and rigid mounting portion 40 has along axis
To the installation through-hole 42 of extension.In other words, rigid mounting portion 40 can be preferable, the on-deformable metallic sheath of rigidity.Namely
It says, mounting lug c can have the mounting hole penetrated through along the vertical direction, and rigid mounting portion 40 is embedded in mounting hole, and rigidity is pacified
The outer wall in dress portion 40 can be interference fitted with the inner wall of the mounting hole of mounting lug c.
To further enhance rigid mounting portion 40 stability fixed in mounting lug c, rigid mounting portion 40 is at least
One end has the defining flange 41 for being suitable for mutually only supporting with the end face of mounting lug c.In other words, defining flange 41 can stretch out peace
Dress lug c is simultaneously only against on the upper surface or lower end surface of mounting lug c.
In addition, above-mentioned reinforcement part 20 can be one layer of structure, it is also possible to multilayered structure.When above-mentioned reinforcement part 20 is one layer
When structure, reinforcement part 20 can be any one of foaming piece, honeycomb and viscose part either foaming piece, honeycomb and
At least two combination in viscose part.When reinforcement part 20 be multilayered structure when, each layer of portion can be foaming piece, honeycomb with
And at least two combination in any one of viscose part either foaming piece, honeycomb and viscose part, wherein adjacent two
The structure of layer can be the same or different.
When the heat management structures such as heat pipe or liquid cooling pipe are arranged in battery tray, the shape of tray top and tray bottom
It is adapted to change, such as the hole for enabling heat pipe to be exposed or tray top can be set with multiple convex in tray top
It rises to enhance the intensity of tray top.
The battery pack assembly of embodiment includes: the battery tray of battery and above-described embodiment according to a second aspect of the present invention
100.Battery pack assembly has both the light-weight and high advantage of intensity as a result,.
In the description of the present invention, it is to be understood that, the orientation or positional relationship of the instructions such as term " on ", "lower" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified structure or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.In addition, define " first ", the feature of " second " can explicitly or implicitly include it is one or more
This feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (15)
1. a kind of battery tray characterized by comprising
Tray body；
Separator, the separator are suitable for connecting above the tray body with the tray body；And
Heat management portion, the heat management portion includes heat pipe, and a part of the heat pipe is embedded in the separator, and the heat
Part outside the stretching separator of pipe limits in the tray body multiple for placing jointly with the separator
The accommodation space of battery.
2. battery tray according to claim 1, which is characterized in that the heat management portion includes cold pipe and heat pipe, described
There is holding tank, the holding tank has notch, and a part of the heat pipe and the cold pipe are located at the receiving in separator
In slot and another part of the heat pipe is stretched out from the notch of the holding tank.
3. battery tray according to claim 2, which is characterized in that the separator is grid, and the grid includes mutual
The diaphragm plate and midfeather of perpendicular connection, the diaphragm plate and the midfeather are vertically connected in the tray body,
The holding tank is formed at least one of the diaphragm plate and the midfeather.
4. battery tray according to claim 3, which is characterized in that a part of the heat pipe and the cold pipe are embedded
On the diaphragm plate, another part of the heat pipe and the midfeather are parallel to each other；Or
A part of the heat pipe and the cold pipe are embedded on the midfeather, another part of the heat pipe and the tabula
It is parallel to each other in plate.
5. battery tray according to claim 3, which is characterized in that the number of the notch is multiple, multiple slots
Mouth is symmetrically distributed in the two sides of the diaphragm plate, and the adjacent notch positioned at the same side is separated by midfeather.
6. battery tray according to claim 2, which is characterized in that the heat pipe extends longitudinally and the cold pipe is along horizontal
To extension, the number of the heat pipe is that multiple and multiple heat pipes are transversely distributed, and multiple heat pipes are symmetrical and connect
It connects in the two sides of the cold pipe, the holding tank is formed on the diaphragm plate.
7. battery tray according to claim 2, which is characterized in that the junction of the cold pipe and the heat pipe is mutually affixed
It closes, the cold pipe is bonded with the heat pipe by the heat insulating mattress of housing on it and is connect or the cold pipe and the heat pipe
It is bonded by welding manner.
8. battery tray according to claim 2, which is characterized in that the cold pipe has opposite with the heat pipe lead to
Hole, the refrigerant are directly contacted by the through-hole with the heat pipe, and the edge of the through-hole and the heat pipe are welded to connect
And it seals.
9. battery tray according to claim 2, which is characterized in that the cold pipe and the heat pipe are flat tube.
10. battery tray according to claim 1, which is characterized in that have holding tank, the heat pipe in the separator
It is at least partially disposed in the holding tank, the holding tank forms the flowing lumen being in communication with the outside.
11. battery tray according to claim 10, which is characterized in that a part of the heat pipe is located at the holding tank
Another part of the interior and described heat pipe is embedded in the tray body.
12. battery tray according to claim 10, which is characterized in that the separator is grid, and the grid includes
The diaphragm plate and midfeather of orthogonal connection, the diaphragm plate and the midfeather are vertically connected on the tray body
On, the holding tank is formed at least one of the diaphragm plate and the midfeather.
13. battery tray according to claim 12, which is characterized in that a part of the heat pipe is embedded in the tabula
On plate, another part of the heat pipe and the midfeather are parallel to each other；Or
A part of the heat pipe is embedded on the midfeather, and another part of the heat pipe and the diaphragm plate are mutually equal
Row.
14. battery tray according to claim 1 to 13, which is characterized in that the tray body:
Tray bottom, the tray bottom are carbon fiber layer and/or glass layer；
Reinforcement part；And
Tray top, the tray top is suitable for being stacked in above the tray bottom and the reinforcement part is clipped in the tray bottom
Between portion and the tray top, the tray top is carbon fiber layer and/or glass layer.
15. a kind of battery pack assembly characterized by comprising battery and the electricity as described in any one of claim 1-14
Pond pallet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710526277.1A CN109216601B (en) | 2017-06-30 | 2017-06-30 | Battery tray and battery pack assembly with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710526277.1A CN109216601B (en) | 2017-06-30 | 2017-06-30 | Battery tray and battery pack assembly with same |
Publications (2)
| Publication Number | Publication Date |
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| CN109216601A true CN109216601A (en) | 2019-01-15 |
| CN109216601B CN109216601B (en) | 2020-12-25 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710526277.1A Active CN109216601B (en) | 2017-06-30 | 2017-06-30 | Battery tray and battery pack assembly with same |
Country Status (1)
| Country | Link |
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| CN (1) | CN109216601B (en) |
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Also Published As
| Publication number | Publication date |
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| CN109216601B (en) | 2020-12-25 |
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