CN107623153A - A kind of air-cooled module of electrokinetic cell - Google Patents
A kind of air-cooled module of electrokinetic cell Download PDFInfo
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- CN107623153A CN107623153A CN201710709687.XA CN201710709687A CN107623153A CN 107623153 A CN107623153 A CN 107623153A CN 201710709687 A CN201710709687 A CN 201710709687A CN 107623153 A CN107623153 A CN 107623153A
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- 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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Abstract
Embodiments of the invention disclose a kind of air-cooled module of electrokinetic cell, are related to new energy technology, can lift the service life of the air-cooled module of electrokinetic cell.Including：Upper air collecting box, the fixed plate of battery first, battery unit, the fixed plate of battery second and lower air collecting box, battery unit are fixed between the fixed plate of battery first and the fixed plate of battery second；Upper air collecting box is arranged on the fixed plate of battery first and air collecting box in the one side of installation battery unit is provided with air inlet and divides wind entrance, air channel is provided with the fixed plate of battery first, air channel is provided with the fixed plate of battery second, lower air collecting box is provided with air outlet and divides wind to export；The air channel set in the fixed plate of battery second divides wind outlet corresponding with what is set on lower air collecting box；Gap between the air channel set in the fixed plate of battery first and the air channel set in the fixed plate of battery second and adjacent cell is corresponding.The present invention is applied to the heat management of cylindrical lithium ion battery.
Description
Technical field
The present invention relates to new energy technology, more particularly to a kind of air-cooled module of electrokinetic cell.
Background technology
Column lithium ion battery is due to its energy density height, mature technology, price advantage are obvious, it is pollution-free etc. because
Element, it is used in more and more on 3C Product and electric automobile., can be by multiple low capacities when electrical energy demands are larger
Column lithium ion battery carries out corresponding connection in series-parallel, so as to form the air-cooled module of electrokinetic cell to provide required electric energy.
The air-cooled module of electrokinetic cell stores by the chemical reaction of inside and discharges electric energy, is storing and is discharging electric energy
During, chemical reaction can cause the change of the air-cooled module temperature of electrokinetic cell so that each battery in the air-cooled module of electrokinetic cell
Operating temperature and temperature homogeneity difference it is larger, and because temperature is to influence the air-cooled module electricity of electrokinetic cell and the weight in life-span
One of factor is wanted, thus, the uniformity of battery temperature in the air-cooled module of electrokinetic cell how is effectively improved, is used extending battery
Life-span is significant.
In order to improve the uniformity of each battery temperature in the air-cooled module of electrokinetic cell, at present by column lithium ion battery group
Into the air-cooled module of electrokinetic cell, in cooling and heating design, mainly using liquid cooling/heating, air cooling/heating side
Formula.But for the mode of liquid cooling/heating, first, because the liquid for liquid cooling/heating and pipeline are heavier, from
And influence the air-cooled module energy density of electrokinetic cell；Second, using liquid cooling/mode of heating, condensate is easily formed, so as to lead
Insulation and short trouble are caused, and prevents that condensation hydraulic art is relative complex, thus, generally using air cooling/mode of heating.For wind
Cooling/heating mode, mainly it is blowed from perpendicular to cell height direction, so, when the air-cooled module of electrokinetic cell is larger
And battery core arrangement it is uneven when, air inlet can compare larger with the battery temperature uniformity difference at air outlet, and wind passes through electricity
The resistance ratios of pond group are larger, cause the uniformity of each battery temperature in battery modules poor, air-cooled so as to have impact on electrokinetic cell
The service life of module.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of air-cooled module of electrokinetic cell, can lift the air-cooled mould of electrokinetic cell
The uniformity of battery temperature in group, so as to lift the service life of the air-cooled module of electrokinetic cell.
In a first aspect, the embodiment of the present invention provides a kind of air-cooled module of electrokinetic cell, including：Upper air collecting box, battery first
Fixed plate, battery unit, the fixed plate of battery second, lower air collecting box, upper bus-bar and lower bus-bar, wherein,
Battery unit is fixed between the fixed plate of battery first and the fixed plate of battery second；
Upper air collecting box is arranged on the fixed plate of battery first back to the one side of installation battery unit；
Lower air collecting box is arranged on the fixed plate of battery second back to the one side of installation battery unit；
The both positive and negative polarity of multiple battery units forms connection in series-parallel connection；
The upper air collecting box, which is provided with, air inlet and divides wind entrance, is provided with air channel in the fixed plate of battery first, battery the
Air channel is provided with two fixed plates, lower air collecting box is provided with air outlet and divides wind to export；
What is set in upper air collecting box divides wind entrance corresponding with the air channel set in the fixed plate of battery first；
The air channel set in the fixed plate of battery second divides wind outlet corresponding with what is set on lower air collecting box；
The air channel set in the fixed plate of battery first and the air channel set in the fixed plate of battery second and adjacent cell
Between gap it is corresponding；
Upper bus-bar is provided between the first fixed plate and upper air collecting box, is provided between the second fixed plate and lower air collecting box
Lower bus-bar；Offered on the upper bus-bar and lower bus-bar and the air channel set in the fixed plate of battery first and battery
The corresponding through hole in the air channel that is set in two fixed plates；
The positive and negative polarities of multiple battery units are respectively welded on upper bus-bar and lower bus-bar by conductive filament, to shape
Into the connection in series-parallel of the air-cooled module of electrokinetic cell.
With reference in a first aspect, in the first embodiment of first aspect, the fixed plate of battery first and battery second
The groove or shrinkage pool of self-contained battery unit are respectively equipped with fixed plate；
In the groove or shrinkage pool of the fixed plate of battery first, the other end is located at battery second for one end of the battery unit
In the groove or shrinkage pool of fixed plate.
With reference in a first aspect, in second of embodiment of first aspect, what the upper air collecting box was set divides wind entrance
Place is connected with a point air channel, the connection corresponding with the air channel set in the fixed plate of battery first of this point of air channel；
What the lower air collecting box was set divides wind exit to be connected with a point air channel, and this point of air channel in the fixed plate of battery second with setting
The corresponding connection in air channel put.
With reference in a first aspect, in the third embodiment of first aspect, in addition to：In the housing of box, the shell
Body includes upper shell and lower house, the upper shell and the lower house symmetry arrangement, and by the upper air collecting box, the upper remittance
Flow row, the fixed plate of the battery first, the battery unit, the fixed plate of the battery second, the lower bus-bar, the next part
Bellows are arranged on interior.
With reference to the third embodiment of first aspect, in the 4th kind of embodiment of first aspect, the upper collection wind
The enclosure interior of case and lower air collecting box is provided with reinforcing prop.
With reference in a first aspect, in the 5th kind of embodiment of first aspect, the quantity for dividing wind entrance is multiple；Institute
The inner section product for stating air inlet is more than the inner section product sum of all points of wind entrances.
With reference in a first aspect, in the 6th kind of embodiment of first aspect, the hole of dividing wind entrance nearer from air inlet
Footpath is bigger.
With reference to second of embodiment of first aspect, in the 7th kind of embodiment of first aspect, the multiple electricity
Pool unit does not line up arrangement between the symmetrical fixed plate of battery first and the fixed plate of battery second, and the battery first is fixed
The cross sectional shape in the air channel set on plate and the air channel set in the fixed plate of battery second is the recessed triangle of triangle or three sides
Shape；
The multiple battery unit alignment between the symmetrical fixed plate of battery first and the fixed plate of battery second,
The cross sectional shape in the air channel set in the fixed plate of battery first and the air channel set in the fixed plate of battery second is pros
The quadrangle of shape or four side indents.
With reference in a first aspect, in the 8th kind of embodiment of first aspect, in the battery unit of the multiple quantity, in advance
The battery units in parallel of fixed number amount forms batteries in parallel connection group, is connected in series between batteries in parallel connection group.
With reference in a first aspect, in the 9th kind of embodiment of first aspect, the string between two neighboring series battery
Connection mode is that batteries in parallel connection group includes the first batteries in parallel connection group and the second batteries in parallel connection group；
The upper bus-bar includes on first bus-bar on bus-bar and second；The lower bus-bar confluxes under including first
Row；
The positive pole of first batteries in parallel connection group electrically connects with bus-bar on first, under the negative pole and first of the first batteries in parallel connection group
Bus-bar electrically connects；The positive pole of second batteries in parallel connection group electrically connects with first time bus-bar, the negative pole of the second batteries in parallel connection group with
Bus-bar electrically connects on second；Or
The negative pole of first batteries in parallel connection group electrically connects with bus-bar on first, under the positive pole and first of the first batteries in parallel connection group
Bus-bar electrically connects；The negative pole of second batteries in parallel connection group electrically connects with first time bus-bar, the positive pole of the second batteries in parallel connection group with
Bus-bar electrically connects on second.
The air-cooled module of a kind of electrokinetic cell provided in an embodiment of the present invention, including：Upper air collecting box, the fixed plate of battery first,
Battery unit, the fixed plate of battery second, lower air collecting box, upper bus-bar and lower bus-bar, wherein, battery unit is fixed on battery
Between first fixed plate and the fixed plate of battery second；Upper air collecting box is arranged on the fixed plate of battery first back to installation battery unit
One side；Lower air collecting box is arranged on the fixed plate of battery second back to the one side of installation battery unit；Multiple battery units it is positive and negative
Pole forms connection in series-parallel connection；The upper air collecting box is provided with air inlet and divides wind entrance, and wind is provided with the fixed plate of battery first
Road, air channel is provided with the fixed plate of battery second, and lower air collecting box is provided with air outlet and divides wind to export；Set in upper air collecting box
Divide wind entrance corresponding with the air channel set in the fixed plate of battery first；The air channel set in the fixed plate of battery second and next part wind
What is set on case divides wind outlet corresponding；The air channel set in the fixed plate of battery first and the wind set in the fixed plate of battery second
Gap between road and adjacent cell is corresponding；Upper bus-bar is provided between the first fixed plate and upper air collecting box,
Lower bus-bar is provided between two fixed plates and lower air collecting box；Offered on the upper bus-bar and lower bus-bar solid with battery first
The corresponding through hole in the air channel set on fixed board and the air channel set in the fixed plate of battery second；Multiple battery units it is positive and negative
The two poles of the earth are respectively welded on upper bus-bar and lower bus-bar by conductive filament, to form the string of the air-cooled module of electrokinetic cell simultaneously
Connection, the uniformity of battery temperature in the air-cooled module of electrokinetic cell can be lifted, so as to lift the use of the air-cooled module of electrokinetic cell
Life-span.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the air-cooled module overall structure diagram of the electrokinetic cell of embodiments of the invention one；
Fig. 2 is the air-cooled module fractionation structural representation of the electrokinetic cell of embodiments of the invention two；
Fig. 3 is the first dimensional structure diagram of air collecting box of embodiments of the invention three；
Fig. 4 is the second dimensional structure diagram of air collecting box of embodiments of the invention four；
Fig. 5 is the air collecting box perspective cross-sectional structural representation of embodiments of the invention five；
Fig. 6 is the air-cooled module air intake diagrammatic cross-section of the electrokinetic cell of embodiments of the invention six；
Fig. 7 is the air channel junction enlarged diagram of embodiments of the invention seven；
Fig. 8 is the battery unit of embodiments of the invention eight and air channel arrangement schematic diagram；
Fig. 9 is the battery unit of embodiments of the invention nine and air channel arrangement schematic diagram.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
It will be appreciated that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
Its embodiment, belongs to the scope of protection of the invention.
Fig. 1 is the air-cooled module overall structure diagram of the electrokinetic cell of embodiments of the invention one；
Fig. 2 is the air-cooled module fractionation structural representation of the electrokinetic cell of embodiments of the invention two；
Fig. 3 is the first dimensional structure diagram of air collecting box of embodiments of the invention three；
Fig. 4 is the second dimensional structure diagram of air collecting box of embodiments of the invention four；
Fig. 5 is the air collecting box perspective cross-sectional structural representation of embodiments of the invention five；
Fig. 6 is the air-cooled module air intake diagrammatic cross-section of the electrokinetic cell of embodiments of the invention six；
Fig. 7 is the air channel junction enlarged diagram of embodiments of the invention seven；
Fig. 8 is the battery unit of embodiments of the invention eight and air channel arrangement schematic diagram；
Fig. 9 is the battery unit of embodiments of the invention nine and air channel arrangement schematic diagram.
Referring to Fig. 1 to Fig. 9, the air-cooled module of electrokinetic cell, including：Upper air collecting box 2, the first fixed plate of battery 4, battery unit
5th, the second fixed plate of battery 6, lower air collecting box 8, upper bus-bar 3 and lower bus-bar 7, wherein,
Battery unit 5 is fixed between the first fixed plate of battery 4 and the second fixed plate of battery 6；
Upper air collecting box 2 is arranged on the first fixed plate of battery 4 back to the one side of installation battery unit 5；
Lower air collecting box 8 is arranged on the second fixed plate of battery 6 back to the one side of installation battery unit 5；
The both positive and negative polarity of multiple battery units 5 forms connection in series-parallel connection；
Upper air collecting box 2 is provided with air inlet and divides wind entrance, and air channel, battery second are provided with the first fixed plate of battery 4
Air channel is provided with fixed plate 6, lower air collecting box 8 is provided with air outlet and divides wind to export；
What is set in upper air collecting box 2 divides wind entrance corresponding with the air channel set in the first fixed plate of battery 4；
The air channel set in the second fixed plate of battery 6 divides wind outlet corresponding with what is set on lower air collecting box 8；
The air channel set in the first fixed plate of battery 4 and the air channel set in the second fixed plate of battery 6 and adjacent cell list
Gap between member 5 is corresponding；
Upper bus-bar 3 is provided between the first fixed plate and upper air collecting box 2, between the second fixed plate and lower air collecting box 8
Provided with lower bus-bar 7；Offered on upper bus-bar 3 and lower bus-bar 7 and the air channel set in the first fixed plate of battery 4 and electricity
The corresponding through hole in the air channel that is set in the second fixed plate of pond 6；
The positive and negative polarities of multiple battery units are respectively welded on upper bus-bar and lower bus-bar by conductive filament, to shape
Into the connection in series-parallel of the air-cooled module of electrokinetic cell.
In the present embodiment, as an alternative embodiment, in the first fixed plate of battery 4 and the second fixed plate of battery 6 respectively
Groove or shrinkage pool provided with self-contained battery unit 5；
In the groove or shrinkage pool of the first fixed plate of battery 4, the other end is solid located at battery second for one end of battery unit 5
In the groove or shrinkage pool of fixed board 6.
In the present embodiment, as an alternative embodiment, what upper air collecting box 2 was set divides wind porch to be connected with a point air channel, should
The connection corresponding with the air channel set in the first fixed plate of battery 4 of point air channel；
What lower air collecting box 8 was set divides wind exit to be connected with a point air channel, and this point of air channel in the second fixed plate of battery 6 with setting
Air channel corresponding connect.
In the present embodiment, as an alternative embodiment, in addition to：In the housing of box, the housing include upper shell and
Lower house, the upper shell and the lower house symmetry arrangement, and by the upper air collecting box, the upper bus-bar, the battery
First fixed plate, the battery unit, the fixed plate of the battery second, the lower bus-bar, the lower air collecting box are arranged on interior.
In the present embodiment, as an alternative embodiment, the enclosure interior of upper air collecting box 2 and lower air collecting box 8 is provided with reinforcing prop.
In the present embodiment, as an alternative embodiment, the quantity for dividing wind entrance is multiple；Interior section of the air inlet
Area is more than the inner section product sum of all points of wind entrances.
In the present embodiment, as an alternative embodiment, the aperture of dividing wind entrance nearer from air inlet is bigger.
In the present embodiment, as an alternative embodiment, multiple battery units 5 in symmetrical the first fixed plate of battery 4 and
Arrangement, the air channel set in the first fixed plate of battery 4 and the second fixed plate of battery 6 are not lined up between the second fixed plate of battery 6
The cross sectional shape in the air channel of upper setting is the recessed triangle of triangle or three sides；
Multiple battery units 5 alignment between symmetrical the first fixed plate of battery 4 and the second fixed plate of battery 6,
The air channel set in the first fixed plate of battery 4 and the square or four side indents in the air channel set in the second fixed plate of battery 6
Quadrangle.
In the present embodiment, as an alternative embodiment, in the battery unit 5 of multiple quantity, the battery unit 5 of predetermined quantity
Parallel connection forms batteries in parallel connection group, is connected in series between batteries in parallel connection group.
In the present embodiment, as an alternative embodiment, the series system between two neighboring series battery is electricity in parallel
Pond group includes the first batteries in parallel connection group and the second batteries in parallel connection group；
Upper bus-bar 3 includes on first bus-bar on bus-bar and second；Lower bus-bar 7 includes first time bus-bar；
The positive pole of first batteries in parallel connection group electrically connects with bus-bar on first, under the negative pole and first of the first batteries in parallel connection group
Bus-bar electrically connects；The positive pole of second batteries in parallel connection group electrically connects with first time bus-bar, the negative pole of the second batteries in parallel connection group with
Bus-bar electrically connects on second；Or
The negative pole of first batteries in parallel connection group electrically connects with bus-bar on first, under the positive pole and first of the first batteries in parallel connection group
Bus-bar electrically connects；The negative pole of second batteries in parallel connection group electrically connects with first time bus-bar, the positive pole of the second batteries in parallel connection group with
Bus-bar electrically connects on second.
In the present embodiment, air collecting box 2 is installed on upper bus-bar 3 and the first fixed plate of battery 4, is fixed in battery second
Lower air collecting box 8 is installed on plate 6 and lower bus-bar 7, then battery modules top box is installed respectively on upper air collecting box 2 and lower air collecting box 8
Body 1 and battery modules lower box 9, the finally fixed entirely air-cooled module of electrokinetic cell with heat management structure.
In the present embodiment, carried out by multiple battery units 5 by the first fixed plate of battery 4 and the second fixed plate of battery 6
Under, turn into the air-cooled module of electrokinetic cell after fixation around.
In the present embodiment, as an alternative embodiment, battery modules upper box and battery modules lower box using steel or
The materials such as high-strength alloy, the effects such as fixed, shaping, resistance to mechanical vibration, impact can be played.
In the present embodiment, as an alternative embodiment, upper air collecting box and lower air collecting box use with high intensity, toughness,
The material of insulating properties, flame retardant rating V-0 ranks, for example, makrolon and acrylonitrile-butadiene-styrene copolymer and mixing
Thing (PC/ABS).
In the present embodiment, as an alternative embodiment, upper bus-bar, using materials such as copper nickel plating or aluminium, is used with lower bus-bar
In connecting each battery unit, battery unit is set to form connection in series-parallel, so as to which total input current is distributed into each cell unit,
Again total output current is pooled from each cell unit collected current.
In the present embodiment, as an alternative embodiment, the fixed plate of battery first and the fixed plate of battery second are used to fix often
Individual battery unit and fixed bus-bar up and down, using with high intensity, toughness, insulating properties, flame retardant rating V-0 ranks material
Material, for example, makrolon and acrylonitrile-butadiene-styrene copolymer and mixture (PC/ABS).
In the present embodiment, the wind entered from total air port 203 is stored in cavity 205, is then reallocated to each point of air port
206, the wind in cavity 205 is passed to the air port in point air channel 208 by point air port 206, and is sent into battery by point air channel 208 and consolidates
Corresponding air channel on fixed board, then into power battery module inside, is freezed or is heated to battery unit.Can as one
Embodiment is selected, the volume of cavity 205 is larger, can play good cushioning effect to air intake and air-out.
In the present embodiment, as an alternative embodiment, 190 points of air channels 208 are provided with upper air collecting box.
In the present embodiment, cooling and heating arrangement by the air-cooled module of design motivation battery, by cylindrical battery
Air collecting box is installed on the battery retaining boards at unit both ends, there is many air channels being connected, air intake between air collecting box and battery retaining boards
Cold heat wind in upper air collecting box is sent to cell internal by road by air inlet, to be freezed to battery unit or be added
Heat, each wind passage mouth are responsible for several adjacent battery units of refrigeration/circumference, and air channel is uniformly arranged, so as to ensure by every
The air quantity on the battery core surface of battery unit is identical；In the exhaust passage of the air-cooled module opposite side of electrokinetic cell, battery list will be flowed out
Wind in member is sent into lower air collecting box, and upper and lower air collecting box is connected with outside airduct, so as to ensure to enter in the air-cooled module of electrokinetic cell
The air temperature in portion is constant.Because EAT is constant and air quantity Jing Guo every battery core is identical, whole power electric can be caused
The temperature uniformity of every battery unit is close in the air-cooled module in pond, by adjusting the wind speed of air collecting box external pipe, Ke Yiyou
The effect control air-cooled module operating temperature range of electrokinetic cell, is effectively ensured so as to provide the service life of battery, so as to protect
Demonstrate,prove hot blast/cold wind effectively can carry out heating/refrigerating to battery unit, can control each battery in the air-cooled module of electrokinetic cell
Unit works within the scope of certain temperature, improves the uniformity of each battery temperature in the air-cooled module of electrokinetic cell, Ke Yiyou
Improve the life-span of the air-cooled module of electrokinetic cell in effect ground.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
Each embodiment in this specification is described by the way of related, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.
For convenience of description, it is to be divided into various units/modules with function to describe respectively to describe apparatus above.Certainly, exist
The function of each unit/module can be realized in same or multiple softwares and/or hardware when implementing of the invention.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all should
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (10)
- A kind of 1. air-cooled module of electrokinetic cell, it is characterised in that including：Upper air collecting box, the fixed plate of battery first, battery unit, The fixed plate of battery second, lower air collecting box, upper bus-bar and lower bus-bar, wherein,Battery unit is fixed between the fixed plate of battery first and the fixed plate of battery second；Upper air collecting box is arranged on the fixed plate of battery first back to the one side of installation battery unit；Lower air collecting box is arranged on the fixed plate of battery second back to the one side of installation battery unit；The both positive and negative polarity of multiple battery units forms connection in series-parallel connection；The upper air collecting box is provided with air inlet and divides wind entrance, and air channel is provided with the fixed plate of battery first, and battery second is solid Air channel is provided with fixed board, lower air collecting box is provided with air outlet and divides wind to export；What is set in upper air collecting box divides wind entrance corresponding with the air channel set in the fixed plate of battery first；The air channel set in the fixed plate of battery second divides wind outlet corresponding with what is set on lower air collecting box；Between the air channel set in the fixed plate of battery first and the air channel set in the fixed plate of battery second and adjacent cell Gap it is corresponding；Upper bus-bar is provided between the first fixed plate and upper air collecting box, lower remittance is provided between the second fixed plate and lower air collecting box Stream row；Offered on the upper bus-bar and lower bus-bar solid with the air channel set in the fixed plate of battery first and battery second The corresponding through hole in the air channel that is set on fixed board；The positive and negative polarities of multiple battery units are respectively welded on upper bus-bar and lower bus-bar by conductive filament, dynamic to be formed The connection in series-parallel of the air-cooled module of power battery.
- 2. the air-cooled module of electrokinetic cell according to claim 1, it is characterised in that the fixed plate of battery first and battery The groove or shrinkage pool of self-contained battery unit are respectively equipped with two fixed plates；In the groove or shrinkage pool of the fixed plate of battery first, the other end is fixed located at battery second for one end of the battery unit In the groove or shrinkage pool of plate.
- 3. the air-cooled module of electrokinetic cell according to claim 1, it is characterised in that what the upper air collecting box was set divides wind to enter A point air channel, the connection corresponding with the air channel set in the fixed plate of battery first of this point of air channel are connected with mouthful；What the lower air collecting box was set divides wind exit to be connected with a point air channel, is set on this point of air channel and the fixed plate of battery second Air channel is corresponding to be connected.
- 4. the air-cooled module of electrokinetic cell according to claim 1, it is characterised in that also include：It is described in the housing of box Housing includes upper shell and lower house, the upper shell and the lower house symmetry arrangement, and by the upper air collecting box, it is described on Bus-bar, the fixed plate of the battery first, the battery unit, the fixed plate of the battery second, the lower bus-bar, it is described under Air collecting box is arranged on interior.
- 5. the air-cooled module of electrokinetic cell according to claim 4, it is characterised in that the upper air collecting box and lower air collecting box Enclosure interior is provided with reinforcing prop.
- 6. the air-cooled module of electrokinetic cell according to claim 1, it is characterised in that the quantity for dividing wind entrance is more It is individual；The inner section product of the air inlet is more than the inner section product sum of all points of wind entrances.
- 7. the air-cooled module of electrokinetic cell according to claim 1, it is characterised in that nearer from the air inlet wind entrance that divides Aperture is bigger.
- 8. the air-cooled module of electrokinetic cell according to claim 3, it is characterised in that the multiple battery unit is symmetrical Arrangement, the air channel set in the fixed plate of battery first are not lined up between the fixed plate of battery first and the fixed plate of battery second And the cross sectional shape in the air channel set in the fixed plate of battery second is the recessed triangle of triangle or three sides；The multiple battery unit alignment between the symmetrical fixed plate of battery first and the fixed plate of battery second, it is described The cross sectional shape in the air channel set in the fixed plate of battery first and the air channel set in the fixed plate of battery second for square or The quadrangle of four side indents.
- 9. the air-cooled module of electrokinetic cell according to claim 1, it is characterised in that the battery unit of the multiple quantity In, the battery units in parallel of predetermined quantity forms batteries in parallel connection group, is connected in series between batteries in parallel connection group.
- 10. the air-cooled module of electrokinetic cell according to claim 1, it is characterised in that between two neighboring series battery Series system be that batteries in parallel connection group includes the first batteries in parallel connection group and the second batteries in parallel connection group；The upper bus-bar includes on first bus-bar on bus-bar and second；The lower bus-bar includes first time bus-bar；The positive pole of first batteries in parallel connection group electrically connects with bus-bar on first, confluxes under the negative pole and first of the first batteries in parallel connection group Row's electrical connection；The positive pole of second batteries in parallel connection group electrically connects with first time bus-bar, the negative pole and second of the second batteries in parallel connection group Upper bus-bar electrical connection；OrThe negative pole of first batteries in parallel connection group electrically connects with bus-bar on first, confluxes under the positive pole and first of the first batteries in parallel connection group Row's electrical connection；The negative pole of second batteries in parallel connection group electrically connects with first time bus-bar, the positive pole and second of the second batteries in parallel connection group Upper bus-bar electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710709687.XA CN107623153A (en) | 2017-08-17 | 2017-08-17 | A kind of air-cooled module of electrokinetic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710709687.XA CN107623153A (en) | 2017-08-17 | 2017-08-17 | A kind of air-cooled module of electrokinetic cell |
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Cited By (1)
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| CN113097627A (en) * | 2021-03-31 | 2021-07-09 | 珠海冠宇动力电池有限公司 | Battery pack |
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