CN201111306Y - Batteries box body and batteries including the same - Google Patents
Batteries box body and batteries including the same Download PDFInfo
- Publication number
- CN201111306Y CN201111306Y CNU2007201786799U CN200720178679U CN201111306Y CN 201111306 Y CN201111306 Y CN 201111306Y CN U2007201786799 U CNU2007201786799 U CN U2007201786799U CN 200720178679 U CN200720178679 U CN 200720178679U CN 201111306 Y CN201111306 Y CN 201111306Y
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- China
- Prior art keywords
- battery pack
- pallet
- pack casing
- box
- cylindricality
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to a battery box and a battery pack of the box. The box comprises an upper box and an lower box, and the upper box comprises a top plate, an upper cylindrical hollow tube and a through hole. The top plate disposed on the top of the upper cylindrical hollow tube is in fixed connection, and the through hole is disposed on the wall of the upper cylindrical tube. The lower box comprises a lower cylindrical hollow tube, a tray and a blower. The tray has a plurality of air inlet holes, which is also disposed inside the lower cylindrical hollow tube of the lower part of the lower box and in fixed connection. The blower disposed below the air inlet hole of the tray is in fixed connection with the tray. The battery pack of the utility model comprises a battery pack box, a cathode and anode wire and a combined battery core disposed inside the battery pack box. The cathode and anode of the combined battery core is in electric connection with one end of the cathode and anode wire, and the other end of the cathode and anode wire runs through the top plate to lead the wire into the outside of the battery pack box. The battery pack box is the battery pack box provided in the utility model. The battery pack box of the utility model is simple in structure with less manufacturing difficulty and low manufacturing costs.
Description
Technical field
The utility model is about a kind of battery component, but specifically about a kind of power battery pack casing of ventilation and heat and comprise the power battery pack of this casing.
Background technology
Electrokinetic cell plays important effect as high-power battery in hybrid vehicle (HEV), pure electric vehicle (EV) and other electric tools.Along with the continuous development and maturation of power battery technology, the application of electrokinetic cell is also constantly enlarging.Because electrokinetic cell has bigger electric current (generally more than 10C) in charge and discharge process, electric current is crossed conference and is caused that battery seriously generates heat, and its heating temp can reach 80 ℃-100 ℃ even higher.Because too high temperature is accelerated the oxidation of inside battery alloyed powder easily, battery every performance at high temperature can not get fully playing, can cause the self discharge increasing of battery and efficiency for charge-discharge reduces, battery polarization is serious, especially more obvious for the Ni-MH power cell performance, the life-span that this has just had a strong impact on battery shortens the battery average life span, even also can have influence on the fail safe of electric tool.
At present, electrokinetic cell manufacturer adopts two kinds of settling modes usually to the radiating treatment of battery, and a kind of is by adding the heat radiation that a kind of heat-conducting substance that can accelerate heat radiation solves battery; Another kind is exactly to strengthen the battery heat radiation by accelerating cross-ventilation.CN2842750Y discloses a kind of Battery case that is used for being convenient in the electric motor car battery ventilation and heat, as shown in Figure 1, this Battery case comprises upper box 1, and lower box 2 and battery box cover 3 are provided with the battery mounting 4 that is used to install battery module on the interior case bottom surface of lower box 2; The interior case bottom surface of lower box 2 is the middle part low inclination of arching upward in high both sides, the corresponding inclination of arching upward that is parallel to each other and, the low inclination air channel, high both sides in the middle part of forming between end face and bottom surface of being with lower box 2 bottom surfaces of case lid 3 end faces; Lower box 2 bottom surfaces middle parts has the exhaust vent (not shown) and the blower fan that is used for outside exhausting 5 more than one is housed in the outside of its correspondence; 2 end of lower box end corner side has the fresh air inlet (not shown), and in the outside of fresh air inlet correspondence blower fan 5 is housed.After all blower fans 5 start, the hot blast in the case is extracted out by the bottom, cold air is then forced to enter in the case from two bottom sides, makes wind energy evenly by each battery, guarantees the battery heat radiation evenly.Though the Battery case of this ventilation and heat has guaranteed the battery air cooling effect, its complex structure has not only increased manufacture difficulty, has also increased manufacturing cost simultaneously.
The utility model content
The purpose of this utility model is to overcome the battery pack box body structure complexity of existing ventilation and heat, and manufacture difficulty is big, and the shortcoming that manufacturing cost is high provides a kind of simple in structure, and manufacture difficulty is little, the power battery pack casing with ventilation and heat of low cost of manufacture; Another purpose of the present utility model provides a kind of power battery pack that comprises this casing.
Battery pack casing of the present utility model comprises upper box and lower box, the size of upper box and lower box is complementary and removably fixedlys connected, wherein, described upper box comprises top board, goes up cylindricality hollow and through hole, top board is positioned at the top of cylindricality hollow and fixedlys connected with last cylindricality hollow or be one, and through hole is positioned on the barrel of cylindricality hollow; Described lower box comprises down cylindricality hollow, pallet and blower fan, described pallet be positioned at lower box the bottom following cylindricality hollow and have a plurality of fresh air inlets, wherein said pallet outer periphery and the described inwall of cylindricality hollow that descends are fixedlyed connected; Blower fan be positioned at pallet fresh air inlet the below and fixedly connected with pallet.
Battery pack of the present utility model comprises the battery pack box body, positive wire, cathode conductor and combined electrical core, described combined electrical core comprises a plurality of cells and brace, the both positive and negative polarity of each cell forms the combined electrical core by the brace polyphone, the positive pole of combined electrical core is electrically connected with an end of positive wire, the negative pole of combined electrical core is electrically connected with an end of cathode conductor, it is external that the other end of positive wire and cathode conductor runs through the top board of described battery pack casing and lead is drawn out to battery pack box, wherein, the battery pack casing that described battery pack casing provides for the utility model, a plurality of cells are centrosymmetric the central area that is distributed in the pallet in this battery pack casing and outer ring week along last, and the cell that is positioned at pallet outer ring week edge is tangent to each other and simultaneously tangent with the inwall of following cylindricality hollow.
The battery pack casing that the utility model provides, owing to have fresh air inlet on the lower box inner pallet, and the fresh air inlet of pallet below is provided with blower fan, utilize pallet to place electrokinetic cell and make up electric core, help the heat radiation of combined electrical core in Battery case, can also avoid simultaneously because the heat radiation of combined electrical core is uneven, heat is arranged the influence of not going out and causing the every performance of battery to be subjected to.This battery pack casing has simple in structure, and manufacture difficulty is little, advantage of low manufacturing cost.
Description of drawings
Fig. 1 is the structural representation of existing battery pack casing;
Fig. 2 is the utility model battery pack structure schematic diagram;
Fig. 3 is the upper box bottom surface structural representation of the utility model battery pack casing;
Fig. 4 is a kind of planar structure schematic diagram of the lower box of the utility model battery pack casing;
Fig. 5 is the lower box bottom surface structural representation of the utility model battery pack casing;
Fig. 6 is the another kind of planar structure schematic diagram of the lower box of the utility model battery pack casing;
Fig. 7 is the utility model battery pack plane partly cut-away structural representation.
Embodiment
Below in conjunction with accompanying drawing execution mode of the present utility model is elaborated.
As shown in Figure 2, the utility model battery pack casing 6 comprises upper box 1 and lower box 2, the size of upper box 1 and lower box 2 is complementary and removably fixedlys connected, wherein, described upper box 1 comprises top board 7, goes up cylindricality hollow 8 and through hole 9, top board 7 is positioned at the top of cylindricality hollow 8 and fixedlys connected with last cylindricality hollow 8 or be one, and through hole 9 is positioned on the barrel of cylindricality hollow 8; Described lower box 2 comprises cylindricality hollow 10, pallet 11 and blower fan 5 down, described pallet 11 be positioned at lower box 2 the bottom following cylindricality hollow 10 and have a plurality of fresh air inlets 12, wherein said pallet 11 outers peripheries is fixedlyed connected with the inwall of described time cylindricality hollow 10; Blower fan 5 be positioned at pallet 11 fresh air inlet 12 the below and fixedly connected with pallet 11.
Described top board 7 is square or circular, and under the preferable case, top board 7 is circular; Described upward cylindricality hollow 8 is a square column type or cylindrical, and under the preferable case, last cylindricality hollow 8 is cylindrical; Described through hole 9 is an arbitrary shape, and as ellipse, rectangle or arc, under the preferable case, through hole 9 is an arc.
Because when power battery pack and electric tool are installed, the top board 7 of its battery pack upper box 1 is to pack into the pairing power supply platform of electric tool fully and fit tightly, this is unfavorable for the battery heat radiation in the battery pack casing, in order to guarantee that the heat that battery pack produces can shed better in the battery pack casing, realization is to the Homogeneouslly-radiating of battery, as shown in Figures 2 and 3, described upper box 1 can also have sandwich plate 15, sandwich plate 15 is circular or square, under the preferable case, sandwich plate 15 is circular, sandwich plate 15 is provided with exhaust vent 16, described sandwich plate 15 is positioned at cylindricality hollow 8, and the outer of sandwich plate 15 periphery fixedlys connected with the inwall of last cylindricality hollow 8, and through hole 9 is on the top board 7 and the barrel between the sandwich plate 15 on the last cylindricality hollow 8.
Under the preferable case, the quantity of described through hole 9 is that 2 to 6 and center distribute symmetrically and evenly; Described exhaust vent 16 is an arbitrary shape, and as ellipse, rectangle or arc, under the preferable case, exhaust vent 16 is an arc.The quantity of described exhaust vent 16 is 2 to 6, and exhaust vent 16 centers are distributed on the sandwich plate 15 symmetrically and evenly, and the gross area of exhaust vent 16 accounts for the 10%-40% of sandwich plate 15 upper surface area.
The exhaust vent 16 that can make on the sandwich plate 15 that is provided with of sandwich plate 15 forms a heat dissipation wind channel of overflowing from the both sides at last from bottom to top together with the through hole on last cylindricality hollow 8 barrels 9, thereby helps the Homogeneouslly-radiating of battery.
Described upper box 1 can also have outer/inner screw thread 18, and outer/inner screw thread 18 is positioned on the outer/inner barrel of cylindricality hollow 8 bottoms, and outer/inner screw thread 18 is mainly used in the encapsulation of lower box 2 and is connected.
As Fig. 2, Fig. 4 and shown in Figure 5, described cylindricality hollow 10 down is a square column type or cylindrical, and under the preferable case, following cylindricality hollow 10 is cylindrical; Described blower fan 5 is for well known to a person skilled in the art the conventional blower fan that uses, and it can be purchased, and also can make by oneself.
As Fig. 2, Fig. 4 and shown in Figure 6, described pallet 11 is provided with and is used for making the keeper 13 of cell in described lower box 2 location.
As shown in Figure 4, described keeper 13 is the annular boss 14 that is fixedly installed on the central area of pallet 11, distance between the inwall of the outer wall of this annular boss 14 and following cylindricality hollow 10 adapts with the diameter of cell, the position that contacts with described pallet 11 at described annular boss 14 has a plurality of open slots 17, and described air inlet 12 is positioned at described open slot 17 times and communicates with this open slot 17.
Described air inlet 12 helps blower fan 5 with being used of open slot 17 to be sent into wind in the lower box 2, thereby makes the radiating effect of combined electrical core in Battery case better.Described annular boss 14 has the effect that each cell moves to center position in the combined electrical core that prevents between following cylindricality hollow 10 and annular boss 14, can also play fixing effect to the cell that is positioned at annular boss 14 inner rings simultaneously.
Locate better in order to make the cell in the combined electrical core, prevent in the combined electrical core between following cylindricality hollow 10 and the annular boss 14 cell along under outer ring peripheral direction mobile of the inwall of cylindricality hollow 10 or annular boss 14, outer wall at described annular boss 14 is provided with scotch 20, described scotch 20 is an arbitrary shape, as cylindrical, elliptical cylinder-shape, square column type or triangle cylindricality, under the preferable case triangle cylindricality.One of them side of the scotch 20 of described triangle cylindricality posts and fixes with the outer wall of annular boss 14 and is connected, two sides in addition of triangle cylindricality scotch 20 are that the radian of arcwall face 21 is corresponding with the gusset radian of cell to the recessed arcwall face 21 in triangle cylindricality scotch 20 centers.
For being electrically connected of the cell of the cell that helps annular boss 14 inner rings and annular boss 14 outer ring peripheries, described annular boss 14 has opening 22, opening 22 cuts passage that is extended to the outer ring periphery by annular boss 14 inner rings of formation with the annular boss 14 of sealing, this passage is as the interface channel of brace, so the width of opening 22 should adapt with the width of brace.
As shown in Figure 6, described keeper 13 can also be a plurality of stop locating pieces 28 that are fixedly installed on the central area of pallet 11, and a plurality of cells that are positioned at the battery pack casing that are arranged so that of these a plurality of stop locating pieces 28 are positioned and can not relatively move.Under the preferable case, described stop locating piece 28 is the cutting parts that have the annular boss 14 of scotch 20, and stop locating piece 28 is arranged between two cells at adjacent or interval.
Described pallet 11 is circular or square, and under the preferable case, pallet 11 is circular; Fresh air inlet 12 on the described pallet 11 is an arbitrary shape, as circular, ellipse, rectangle or arc, under the preferable case, fresh air inlet 12 is an arc, and the quantity of fresh air inlet 12 is that 2 to 6 and center are distributed on the pallet 11 symmetrically and evenly, and the gross area of fresh air inlet 12 accounts for the 10%-50% of pallet 11 upper surface area.
Described lower box 2 can also have inside/outside screw thread 19, inside/outside screw thread 19 is positioned on the inside/outside barrel of described cylindricality hollow 10 upper ends down, inside/outside screw thread 19 is mainly used in the outer/inner screw thread 18 of upper box 1 and cooperates, and is spirally connected mutually the combined electrical core is encapsulated in the battery pack casing 6 thereby realize to go up lower box.Battery pack casing of the present utility model can adopt the synthetic resin material, as plastics.
As Fig. 2 and shown in Figure 7, battery pack of the present utility model comprises battery pack box body 6, positive wire 23, cathode conductor 24 and combined electrical core 25, described combined electrical core 25 comprises a plurality of cells 26 and brace 27, the both positive and negative polarity of each cell 26 forms combined electrical core 25 by brace 27 polyphones, the positive pole of combined electrical core 25 is electrically connected with an end of positive wire 23, the negative pole of combined electrical core 25 is electrically connected with an end of cathode conductor 24, the other end of positive wire 23 and cathode conductor 24 runs through the top board 7 of described battery pack casing 6 and lead is drawn out to outside the battery pack casing 6, wherein, the battery pack casing that described battery pack casing 6 provides for the utility model, a plurality of cells 26 are centrosymmetric the central area that is distributed in the pallet 11 in this battery pack casing 6 and outer ring week along last, and the cell 26 that is positioned at pallet 11 outer rings week edge is tangent to each other and simultaneously tangent with the inwall of following cylindricality hollow 10.
Battery pack casing of the present utility model, because the cell form of being centrosymmetric in the combined electrical core is fixed on the pallet, battery combination is comparatively disperseed, box house space spaciousness be convenient to flowing of air, and body structure is simple, and is easy to manufacture, good cooling results.This battery pack casing is applicable to the electrokinetic cell of each type electric tool, and is as nickel-cadmium cell, Ni-MH battery, wherein more obvious to the performance and the raising in useful life of Ni-MH battery.
Claims (14)
1, a kind of battery pack casing (6), this battery pack casing (6) comprises upper box (1) and lower box (2), the size of upper box (1) and lower box (2) is complementary and removably fixedlys connected, it is characterized in that, described upper box (1) comprises top board (7), goes up cylindricality hollow (8) and through hole (9), top board (7) is positioned at the top of cylindricality hollow (8) and fixedlys connected with last cylindricality hollow (8) or be one, and through hole (9) is positioned on the barrel of cylindricality hollow (8); Described lower box (2) comprises cylindricality hollow (10), pallet (11) and blower fan (5) down, described pallet (11) be positioned at lower box (2) the bottom following cylindricality hollow (10) and have a plurality of fresh air inlets (12), wherein said pallet (11) outer periphery is fixedlyed connected with the inwall of described time cylindricality hollow (10); Blower fan (5) be positioned at pallet (11) fresh air inlet (12) the below and fixedly connected with pallet (11).
2, battery pack casing according to claim 1, it is characterized in that, described upper box (1) has sandwich plate (15), sandwich plate (15) is provided with exhaust vent (16), described sandwich plate (15) is positioned at cylindricality hollow (8), and the outer of sandwich plate (15) periphery is fixedlyed connected with the inwall of last cylindricality hollow (8), and through hole (9) is positioned on the top board (7) and the barrel between the sandwich plate (15) on the cylindricality hollow (8).
According to any described battery pack casing in claim 1 or 2, it is characterized in that 3, the quantity of described through hole (9) is that 2 to 6 and center distribute symmetrically and evenly.
4, battery pack casing according to claim 2, it is characterized in that, the quantity of described exhaust vent (16) is 2 to 6, and exhaust vent (16) center is distributed on the sandwich plate (15) symmetrically and evenly, and the gross area of exhaust vent (16) accounts for the 10%-40% of sandwich plate (15) upper surface area.
5, battery pack casing according to claim 1 is characterized in that, described pallet (11) is provided with and is used for making the keeper (13) of cell in described lower box (2) location.
6, battery pack casing according to claim 5, it is characterized in that, described keeper (13) is the annular boss (14) that is fixedly installed on the central area of pallet (11), and the distance between the inwall of outer wall of this annular boss (14) and following cylindricality hollow (10) adapts with the diameter of cell.
7, battery pack casing according to claim 6, it is characterized in that, the position that contacts with described pallet (11) at described annular boss (14) has a plurality of open slots (17), and described air inlet (12) is positioned under the described open slot (17) and with this open slot (17) and communicates.
8, according to any described battery pack casing in claim 6 or 7, it is characterized in that, be provided with scotch (20) at the outer wall of described annular boss (14).
9, battery pack casing according to claim 8, it is characterized in that, described scotch (20) is the triangle cylindricality, one of them side of the scotch of described triangle cylindricality (20) posts and fixes with the outer wall of annular boss (14) and is connected, two sides in addition of triangle cylindricality scotch (20) are that the radian of arcwall face (21) is corresponding with the gusset radian of cell to the recessed arcwall face (21) in triangle cylindricality scotch (20) center.
10, according to any described battery pack casing among the claim 6-9, it is characterized in that, described annular boss (14) has opening (22), and opening (22) cuts passage that is extended to the outer ring periphery by annular boss (14) inner ring of formation with the annular boss (14) of sealing.
11, battery pack casing according to claim 5, it is characterized in that, described keeper (13) is a plurality of stop locating pieces (28) that are fixedly installed on the central area of pallet (11), and a plurality of cells that are positioned at the battery pack casing that are arranged so that of these a plurality of stop locating pieces (28) are positioned and can not relatively move.
12, battery pack casing according to claim 1 is characterized in that, the quantity of described fresh air inlet (12) is that 2 to 6 and center are distributed on the pallet (11) symmetrically and evenly, and the gross area of fresh air inlet (12) accounts for the 10%-50% of pallet (11) upper surface area.
13, battery pack casing according to claim 1 is characterized in that, between described upper box (1) and the described lower box (2) for being spirally connected.
14, a kind of battery pack, this battery pack comprises battery pack box body (6), positive wire (23), cathode conductor (24) and combined electrical core (25), described combined electrical core (25) comprises a plurality of cells (26) and brace (27), the both positive and negative polarity of each cell (26) forms combined electrical core (25) by brace (27) polyphone, the positive pole of combined electrical core (25) is electrically connected with an end of positive wire (23), the negative pole of combined electrical core (25) is electrically connected with an end of cathode conductor (24), the other end of positive wire (23) and cathode conductor (24) runs through the top board (7) of described battery pack casing (6) and lead is drawn out to outside the battery pack casing (6), it is characterized in that, described battery pack casing (6) is any described battery pack casing in the claim 1 to 13, a plurality of cells (26) are centrosymmetric the central area that is distributed in the pallet (11) in this battery pack casing (6) and outer ring week along last, and the cell (26) that is positioned at pallet (11) outer ring week edge is tangent to each other and simultaneously tangent with the inwall of following cylindricality hollow (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201786799U CN201111306Y (en) | 2007-09-18 | 2007-09-18 | Batteries box body and batteries including the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201786799U CN201111306Y (en) | 2007-09-18 | 2007-09-18 | Batteries box body and batteries including the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201111306Y true CN201111306Y (en) | 2008-09-03 |
Family
ID=39895844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201786799U Expired - Lifetime CN201111306Y (en) | 2007-09-18 | 2007-09-18 | Batteries box body and batteries including the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201111306Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655227A (en) * | 2011-03-02 | 2012-09-05 | 珠海银通新能源有限公司 | Power battery pack |
| CN103413989A (en) * | 2013-07-25 | 2013-11-27 | 天津市松正电动汽车技术股份有限公司 | Battery heat removal system |
| CN105870365A (en) * | 2016-05-29 | 2016-08-17 | 合肥国轩高科动力能源有限公司 | Air cooling type battery pack |
| DE102018200116A1 (en) | 2018-01-05 | 2019-07-11 | Ford Global Technologies, Llc | Mechanical battery protection device |
-
2007
- 2007-09-18 CN CNU2007201786799U patent/CN201111306Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655227A (en) * | 2011-03-02 | 2012-09-05 | 珠海银通新能源有限公司 | Power battery pack |
| CN102655227B (en) * | 2011-03-02 | 2014-09-17 | 珠海银隆新能源有限公司 | Power battery pack |
| CN103413989A (en) * | 2013-07-25 | 2013-11-27 | 天津市松正电动汽车技术股份有限公司 | Battery heat removal system |
| CN105870365A (en) * | 2016-05-29 | 2016-08-17 | 合肥国轩高科动力能源有限公司 | Air cooling type battery pack |
| DE102018200116A1 (en) | 2018-01-05 | 2019-07-11 | Ford Global Technologies, Llc | Mechanical battery protection device |
| US11005134B2 (en) | 2018-01-05 | 2021-05-11 | Ford Global Technologies, Llc | Electrified vehicle with battery protection device and corresponding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080903 |