CN204497283U - A kind of electrokinetic cell bag - Google Patents
A kind of electrokinetic cell bag Download PDFInfo
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- CN204497283U CN204497283U CN201420732509.0U CN201420732509U CN204497283U CN 204497283 U CN204497283 U CN 204497283U CN 201420732509 U CN201420732509 U CN 201420732509U CN 204497283 U CN204497283 U CN 204497283U
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- bolt
- self
- sealed lid
- electrokinetic cell
- crossbeam
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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
Abstract
Be difficult to realize the sealing of IP67 grade and the problem of production technology consistency difference for overcoming prior art medium power power brick, the utility model provides a kind of electrokinetic cell bag, comprises Self-sealed lid, pallet, ventilation bolt, breather valve and electrokinetic cell module; Described Self-sealed lid is arranged on pallet, between described Self-sealed lid and pallet, form cavity; Described electrokinetic cell module is arranged in described cavity; Described ventilation bolt is arranged on Self-sealed lid and pallet, by described Self-sealed lid and pallet fastening; Have described cavity connects to the bolt air vent hole outside Self-sealed lid in described ventilation bolt; Described breather valve sealing is arranged on the opening part of described bolt air vent hole.This reality energy efficient balance power brick inside and outside air pressure difference, prevent Self-sealed lid to be out of shape, thus make electrokinetic cell bag can meet IP67 seal request lastingly, consistency is good.
Description
Technical field
The utility model belongs to field of batteries, particularly relates to a kind of electrokinetic cell bag.
Background technology
Along with the raising of mankind's environmental consciousness, it will be following inexorable trend that electric automobile and hybrid electric vehicle replace existing fuel vehicle.As the core drive energy-power battery pack of electric automobile, its importance seems particularly outstanding.
Vehicle mounted dynamic battery bag requires to have excellent high rate performance and security performance, and as everyone knows, the pallet that electrokinetic cell bag interfixes and Self-sealed lid, form seal cavity at pallet and Self-sealed lid inside.Its enclosed inside is by the electrokinetic cell module be made up of multiple cell.
For avoiding in Long-Time Service process, electrokinetic cell bag inside and outside differential pressure of atmospheric pressure is excessive causes the swell of power brick Self-sealed lid, or destroys inner battery core monomer explosion-proof valve, causes the unfavorable conditions such as battery core breakage, leakage.The perforate install breather valve on Self-sealed lid of usual needs.Have one deck breathable films in breather valve, gas by and liquid can not through this film.The characteristic of permeable watertight inside and outside electrokinetic cell bag can be realized by breather valve, realize the IP67 sealing of electrokinetic cell bag.
But Self-sealed lid is generally plastic-absorbing component or metalwork (SPCC).Bring cost and weight to increase for avoiding thickness excessive, Self-sealed lid adopts the carbon steel of 0.8-1mm thickness usually, and the Self-sealed lid of above-mentioned thickness is yielding.Meanwhile, breather valve is the plastic parts of easy deformation.When Self-sealed lid assembles breather valve, Self-sealed lid is yielding, and production technology consistency is poor.This sealing structure poor-performing, is difficult to realize IP67 and seals grade.Need to develop supporting sealing parts simultaneously, increase cost, assembling is complicated.
Utility model content
Technical problem to be solved in the utility model is difficult to realize the sealing of IP67 grade and the problem of production technology consistency difference for prior art medium power power brick, provides a kind of electrokinetic cell bag.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
A kind of electrokinetic cell bag is provided, comprises Self-sealed lid, pallet, ventilation bolt, breather valve and electrokinetic cell module; Described Self-sealed lid is arranged on pallet, between described Self-sealed lid and pallet, form cavity; Described electrokinetic cell module is arranged in described cavity; Described ventilation bolt is arranged on Self-sealed lid and pallet, by described Self-sealed lid and pallet fastening; Have described cavity connects to the bolt air vent hole outside Self-sealed lid in described ventilation bolt; Described breather valve sealing is arranged on the opening part of described bolt air vent hole.
In the electrokinetic cell bag that the utility model provides, the ventilation bolt of internal ventilation can play ventilation and fastening effect simultaneously, during assembling only need by ventilation bolt routinely bolt mode install, then on ventilation bolt, breather valve is assembled, without the need in addition perforate installing on Self-sealed lid, assembly technology is simple, and can effectively avoid Self-sealed lid in assembling process, occur distortion, improves production technology consistency.This sealing structure is good simultaneously, effectively can realize IP67 and seal grade.
Further, described breather valve is the rupture pressure disc being sealed in described bolt vent openings place.
Further, described tray edge is crossbeam, and the edge of described Self-sealed lid is formed with flange; Described flange is installed with on described crossbeam; Described ventilation bolt is arranged on described flange and crossbeam, by described Self-sealed lid and crossbeam fastening.
Further, described flange has installing hole, described crossbeam has fixing hole; Installing hole and fixing hole described in described ventilation screw bolt passes, by described Self-sealed lid and crossbeam fastening.
Further, described breather valve is arranged at described ventilation bolt top, and the bottom of described ventilation bolt extends to crossbeam inside; Described electrokinetic cell bag also comprises ventilation nut, and described ventilation nut is connected with the bottom thread of described ventilation bolt in crossbeam.
Further, there is in described ventilation nut the nut air vent hole being communicated with described bolt air vent hole and cavity.
Further, described ventilation nut top has scrap (bridge); Described ventilation nut is arranged in described fixing hole, and the scrap (bridge) of described ventilation nut is erected on the upper surface of described crossbeam; Described flange is installed with on described scrap (bridge).
Further, the threaded connection place of described ventilation nut and described ventilation bolt is coated with fluid sealant.
Further, described ventilation bolt has multiple.
Further, fluid sealant is filled with between described flange and crossbeam.
Further, described electrokinetic cell bag also comprises fastening bolt and clamp nut; Described fastening bolt is arranged on described flange and crossbeam, and the bottom of described fastening bolt extends in crossbeam; Described clamp nut is connected with the bottom thread of described fastening bolt in described crossbeam, by described Self-sealed lid and crossbeam fastening.
Accompanying drawing explanation
Fig. 1 is the explosive view of the electrokinetic cell bag that the utility model preferred implementation provides;
Fig. 2 is the installation diagram of the electrokinetic cell bag that the utility model preferred implementation provides;
Fig. 3 is A place partial enlarged drawing in Fig. 1;
Fig. 4 is B place partial enlarged drawing in Fig. 2;
Fig. 5 is C place partial enlarged drawing in Fig. 2;
Fig. 6 is the front view of the ventilation bolt in the electrokinetic cell bag that provides of the utility model preferred implementation;
Fig. 7 is the left view of the ventilation bolt in the electrokinetic cell bag that provides of the utility model preferred implementation.
Reference numeral in Figure of description is as follows:
1, Self-sealed lid; 11, installing hole; 12, flange; 2, pallet; 21, crossbeam; 211, through hole; 3, electrokinetic cell module; 4, ventilation bolt; 41, bolt air vent hole; 5, ventilation nut; 6, breather valve; 7, fastening bolt; 8, clamp nut.
Embodiment
The technical problem solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
In description of the present utility model, it will be appreciated that, term " on ", D score, " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect; Can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
The electrokinetic cell handbag that the utility model provides draws together Self-sealed lid, pallet, ventilation bolt, breather valve and electrokinetic cell module; Described Self-sealed lid is arranged on pallet, between described Self-sealed lid and pallet, form cavity; Described electrokinetic cell module is arranged in described cavity; Described ventilation bolt is arranged on Self-sealed lid and pallet, by described Self-sealed lid and pallet fastening; Have described cavity connects to the bolt air vent hole outside Self-sealed lid in described ventilation bolt; Described breather valve sealing is arranged on the opening part of described bolt air vent hole.
In the utility model, above-mentioned Self-sealed lid, pallet and electrokinetic cell module are existing.
Concrete, Self-sealed lid is generally plastic-absorbing component or metalwork (SPCC), and Self-sealed lid is anchored on pallet, thus between Self-sealed lid and pallet, form the cavity for arranging electrokinetic cell module.Electrokinetic cell module is assemblied in above-mentioned cavity.
For above-mentioned Self-sealed lid, it has shape and structure can carry out routine selection according to actual conditions.In the utility model, under preferable case, the edge of described Self-sealed lid is formed with flange, and Self-sealed lid is installed with on pallet by above-mentioned flange, to carry out fastening and assembling.
For above-mentioned pallet, as existing, tray edge is crossbeam.
When Self-sealed lid and pallet assemble, the flange of Self-sealed lid is installed with on crossbeam.As is known in the art, crossbeam inside is communicated in above-mentioned cavity, such as, crossbeam has through hole, and above-mentioned cavity is communicated to crossbeam inside by this through hole.
Wherein, the Self-sealed lid mode be assemblied on pallet has multiple.In the utility model, Self-sealed lid by ventilation bolt and pallet fastening.
Concrete, described ventilation bolt is arranged on described flange and crossbeam, by described Self-sealed lid and crossbeam fastening.The above-mentioned ventilation bolt mode be arranged on described flange and crossbeam is mechanical field routine, flange such as, has installing hole, crossbeam has fixing hole; Installing hole and fixing hole described in described ventilation screw bolt passes, by described Self-sealed lid and crossbeam fastening.Now, the bottom of ventilation bolt extends to crossbeam inside.
According to the utility model, to be arranged on Self-sealed lid and pallet and ventilation bolt inside fastening on Self-sealed lid and pallet is had bolt air vent hole.When ventilate bolts assemblies on the crossbeam of Self-sealed lid and pallet by Self-sealed lid and pallet fastening time, above-mentioned cavity is in communication with the outside by the bolt air vent hole of ventilating in bolt.Understandable, when tray edge is crossbeam, cavity is communicated to crossbeam inside by the through hole on crossbeam, and the bolt air vent hole through ventilation bolt inside is communicated to the external world.
According to the utility model, under aforementioned structure, ventilation bolt can be existing various by Self-sealed lid and the fastening mode of crossbeam, such as, fixing hole inner surface on above-mentioned crossbeam has screw thread, ventilation bolt be connected with fixing hole internal thread in fixing hole, thus by Self-sealed lid and crossbeam fastening; Or described electrokinetic cell bag also comprises ventilation nut, now, the bottom of ventilation bolt extends downward crossbeam inside, described ventilation nut is connected with the bottom thread of described ventilation bolt in crossbeam, understandable, and breather valve is arranged at described ventilation bolt top.
For above-mentioned ventilation nut, need on the one hand to be connected with the bottom thread of ventilation bolt, need the bolt air vent hole that can keep ventilating bolt inside can be communicated to crossbeam inside on the other hand.Concrete, have the nut air vent hole being communicated with described bolt air vent hole and crossbeam inside in described ventilation nut, now bolt air vent hole is communicated to cavity by the through hole on nut air vent hole and crossbeam.
In the utility model, for ease of assembling, under preferable case, described ventilation nut top has scrap (bridge); Described ventilation nut is arranged in described fixing hole, and the scrap (bridge) of described ventilation nut is erected on the upper surface of described crossbeam; Described flange is installed with on described scrap (bridge).
During assembling, only ventilation nut need be placed in the fixing hole on crossbeam, then cover Self-sealed lid, then be connected with the ventilation nut thread below flange through the installing hole on Self-sealed lid flange by ventilation bolt.
As is known in the art, in the contact site of all parts, the such as threaded connection place of ventilation nut and described ventilation bolt, and between flange and crossbeam, inevitably produce gap, affect sealing property for avoiding above-mentioned gap, in the utility model, under preferable case, the place in the contact site of above-mentioned all parts or many places coating fluid sealant, reveal to prevent non-ventilating valve position the seal request affecting power brick IP67; Such as, the threaded connection place of described ventilation nut and described ventilation bolt is coated with fluid sealant.Fluid sealant is filled with between described flange and crossbeam.For above-mentioned fluid sealant, the precote 80 white waterproof glue that this area is conventional specifically can be adopted.
Meanwhile, for ensureing that cavity is when ventilative with the external world, liquid can not enter cavity, thus realizes IP67 sealing grade, in the utility model, above-mentioned ventilation bolt is also provided with breather valve.
In the utility model, above-mentioned breather valve can adopt conventional breather valve, and as is known in the art, above-mentioned breather valve comprises valve body, has one deck breathable films in valve body, gas by and liquid can not through this film.The characteristic of permeable watertight can be realized by this film, thus realize the IP67 sealing of electrokinetic cell bag.The breather valve with said structure is that this area is conventional, such as, model can be adopted to be the breather valve of C2-NTF210SL.
Concrete, when breather valve is assemblied on above-mentioned ventilation bolt, bolt air vent hole described in the plastic film covering of breather valve.
Or in the utility model, described breather valve is the rupture pressure disc being sealed in described bolt vent openings place.Now, can above-mentioned ventilation bolt as the valve body part of the breather valve of routine, played the effect of breathable films in conventional ventilation valve by rupture pressure disc.
According to the utility model, for above-mentioned ventilation bolt, those skilled in the art can adjust its number according to actual conditions, preferably adopt multiple ventilation bolt.Understandable, when adopt ventilation nut and above-mentioned ventilation bolt with the use of time, the number of ventilation nut is identical with bolt number of ventilating.
In the utility model, above-mentioned ventilation bolt plays permeation functions on the one hand, plays fastening Self-sealed lid and pallet effect on the other hand.And those skilled in the art need select the number of ventilation bolt according to actual conditions.In certain special cases, after ventilation bolt number is determined, for ensureing being fastenedly connected of Self-sealed lid and pallet simultaneously, under preferable case, described electrokinetic cell bag also comprises fastening bolt and clamp nut; Described fastening bolt is arranged on described flange and crossbeam, and the bottom of described fastening bolt extends in crossbeam; Described clamp nut is connected with the bottom thread of described fastening bolt in described crossbeam, by described Self-sealed lid and crossbeam fastening.
Understandable, above-mentioned fastening bolt and clamp nut are conventional screw bolt and nut, and it is inner without air vent hole.
Below in conjunction with Fig. 1-Fig. 7, the structure of the electrokinetic cell bag that the utility model preferred implementation provides is further described.
See Fig. 1 and Fig. 2, the electrokinetic cell handbag that this preferred implementation provides draws together Self-sealed lid 1, pallet 2, electrokinetic cell module 3,2 ventilation 4,2, bolt ventilation nut 5,2 breather valves 6 (model is C2-NTF210SL), multiple fastening bolt 7 and the multiple clamp nuts 8 identical with fastening bolt 7 number.
Self-sealed lid 1 surrounding outwards turns down in the horizontal direction and forms flange 12.Flange 12 is arranged at intervals with multiple installing hole 11.
Pallet 2 edge is crossbeam 21.Crossbeam 21 upper surface is arranged at intervals with multiple fixing hole.The position of fixing hole is corresponding with installing hole 11 position on flange 12.Meanwhile, crossbeam 21 sidewall inwardly offers through hole 211.
See Fig. 3-Fig. 5, ventilation nut 5 and clamp nut 8 top all have the scrap (bridge) turning down formation in the horizontal direction.And nut 5 inside of ventilating has the nut air vent hole axially running through ventilation nut 5 top and bottom along it.
2 ventilation nuts 5 and multiple clamp nut 8 are all arranged in the fixing hole of crossbeam 21.The bottom of ventilation nut 5 and clamp nut 8 is all positioned at crossbeam 21 inside.Wherein, the nut air vent hole of ventilating in nut 5 is communicated to crossbeam 21 inside.
The flange 12 of Self-sealed lid 1 is installed with on crossbeam 21, and installing hole on flange 12 11 is just right with the fixing hole on crossbeam 21.Fluid sealant precote 80 is filled with between flange 12 and crossbeam 21.
2 ventilation bolts 4 are threaded with 2 that lay respectively in 2 fixing holes nuts 5 of ventilating through the installing hole 11 on flange 12.
See Fig. 6-Fig. 7, have the bolt air vent hole 41 axially running through ventilation bolt 4 along it in ventilation bolt 4, bolt air vent hole 41 is communicated with the nut air vent hole in ventilation nut 5.And bolt 4 of ventilating is coated with fluid sealant precote 80 with the threaded connection place of ventilation nut 5.
2 breather valves 6 are arranged at the top of 2 ventilation bolts 4 respectively.Plastic film covering bolt air vent hole 41 in breather valve 6.
Fastening bolt 7 is threaded with the clamp nut 8 in fixing hole through the installing hole 11 on flange 12.
Above-mentioned electrokinetic cell bag effectively can realize the IP67 sealing of electrokinetic cell bag.And assembly technology is simple, and consistency is high.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. an electrokinetic cell bag, is characterized in that, comprises Self-sealed lid (1), pallet (2), ventilation bolt (4), breather valve (6) and electrokinetic cell module (3);
Described Self-sealed lid (1) is arranged on pallet (2), between described Self-sealed lid (1) and pallet (2), form cavity; Described electrokinetic cell module (3) is arranged in described cavity;
Described ventilation bolt (4) is arranged on Self-sealed lid (1) and pallet (2), by described Self-sealed lid (1) and pallet (2) fastening;
Have described cavity connects in described ventilation bolt (4) to the outer bolt air vent hole (41) of Self-sealed lid (1);
Described breather valve (6) sealing is arranged on the opening part of described bolt air vent hole (41).
2. electrokinetic cell bag according to claim 1, is characterized in that, described breather valve (6) is for being sealed in the rupture pressure disc of described bolt air vent hole (41) opening part.
3. electrokinetic cell bag according to claim 1, is characterized in that, described pallet (2) edge is crossbeam (21), and the edge of described Self-sealed lid (1) is formed with flange (12); Described flange (12) is installed with on described crossbeam (21);
Described ventilation bolt (4) is arranged on described flange (12) and crossbeam (21), by described Self-sealed lid (1) and crossbeam (21) fastening.
4. electrokinetic cell bag according to claim 3, is characterized in that, described flange (12) has installing hole (11), and (21) have fixing hole to described crossbeam;
Described ventilation bolt (4) successively through described installing hole (11) and fixing hole, by described Self-sealed lid (1) and crossbeam (21) fastening.
5. electrokinetic cell bag according to claim 4, is characterized in that, described breather valve (6) is arranged at described ventilation bolt (4) top, and the bottom of described ventilation bolt (4) extends to crossbeam (21) inside;
Described electrokinetic cell bag also comprises ventilation nut (5), and described ventilation nut (5) is connected with the bottom thread of described ventilation bolt (4) in crossbeam (21).
6. electrokinetic cell bag according to claim 5, is characterized in that, has the nut air vent hole being communicated with described bolt air vent hole (41) and cavity in described ventilation nut (5).
7. electrokinetic cell bag according to claim 6, is characterized in that, described ventilation nut (5) top has scrap (bridge);
Described ventilation nut (5) is arranged in described fixing hole, and the scrap (bridge) of described ventilation nut (5) is erected on the upper surface of described crossbeam (21);
Described flange (12) is installed with on described scrap (bridge).
8. electrokinetic cell bag according to claim 4, is characterized in that, described ventilation nut (5) is coated with fluid sealant with the threaded connection place of described ventilation bolt (4).
9. according to the electrokinetic cell bag in claim 3-7 described in any one, it is characterized in that, between described flange (12) and crossbeam (21), be filled with fluid sealant.
10. according to the electrokinetic cell bag in claim 3-7 described in any one, it is characterized in that, described electrokinetic cell bag also comprises fastening bolt (7) and clamp nut (8);
Described fastening bolt (7) is arranged on described flange (12) and crossbeam (21), and the bottom of described fastening bolt (7) extends in crossbeam (21);
Described clamp nut (8) is connected with the bottom thread of described fastening bolt (7) in described crossbeam (21), by described Self-sealed lid (1) and crossbeam (21) fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732509.0U CN204497283U (en) | 2014-11-27 | 2014-11-27 | A kind of electrokinetic cell bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732509.0U CN204497283U (en) | 2014-11-27 | 2014-11-27 | A kind of electrokinetic cell bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204497283U true CN204497283U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420732509.0U Active CN204497283U (en) | 2014-11-27 | 2014-11-27 | A kind of electrokinetic cell bag |
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| CN (1) | CN204497283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544755A (en) * | 2019-08-15 | 2019-12-06 | 江苏大学 | lower shell of steel-aluminum hybrid battery pack |
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2014
- 2014-11-27 CN CN201420732509.0U patent/CN204497283U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544755A (en) * | 2019-08-15 | 2019-12-06 | 江苏大学 | lower shell of steel-aluminum hybrid battery pack |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518118 Guangdong province Shenzhen City Pingshan Pingshan Heng Ping Road No. 3001 BYD R & D building (2) B District five floor No. 523-536, No. 538-540 Patentee after: Shenzhen Teng new energy vehicle Co., Ltd. Address before: 518118 Guangdong province Shenzhen City Pingshan Pingshan Heng Ping Road No. 3001 BYD R & D building (2) B District five floor No. 523-536, No. 538-540 Patentee before: BYD Daimler, Shenzhen Technew SA |