CN202585676U

CN202585676U - Battery pack system

Info

Publication number: CN202585676U
Application number: CN 201220133962
Authority: CN
Inventors: 郭言东; 王新果; 毛琦
Original assignee: SAIC Chery Automobile Co Ltd
Current assignee: Chery Automobile Co Ltd
Priority date: 2012-04-01
Filing date: 2012-04-01
Publication date: 2012-12-05
Anticipated expiration: 2022-04-01

Abstract

The utility model relates to the field of electric automobiles, and in particular relates to a battery pack system. The battery pack system comprises a shell, a battery module arranged in the shell, a control module for controlling output current and voltage of the battery module, and a radiating module, wherein an air inlet and an air outlet are formed on the radiating module; and the radiating module is arranged in the shell, and the air outlet of the radiating module is oriented to the battery module. The radiating module is arranged inside the shell of the battery pack, so that the battery module is directly subjected to air-cooled cooling, and heat generated by the battery module can be timely taken away, therefore, the radiating effect of the battery pack is improved, and the problem of poor radiating effect caused by the conventional radiation outside the shell is solved; and moreover, compared with that of the conventional water-cooling or oil-cooling mode, the whole size of the battery pack system is further reduced, and the occupied space of the battery pack system is small.

Description

A kind of battery pack system

Technical field

The utility model relates to the electric automobile field, is specifically related to a kind of battery pack system.

Background technology

Along with the progress of development of science and technology with society, also owing to the exhaustion day by day of petroleum resources and the pressure of environmental protection, electric automobile has become the emphasis of following automobile industry research and development.The parts of electric automobile most critical are electrokinetic cells; Electrokinetic cell commonly used at present has Ni-MH battery and lithium battery; Electrokinetic cell is some cells to be fitted together with different form parallel connections or series form a power brick mostly, and several sometimes power brick combine so that required voltage of electric motor car and capacity to be provided with the form of parallel connection or series connection again.Because the high density of battery cell is combined in the charge and discharge process of battery and can produces great amount of heat in the power brick; Often cause the power brick temperature too high; Influence the service behaviour and the useful life of battery, the corresponding battery heat dissipation technology of therefore thereupon just having derived.In the prior art, the heat dissipating method that it adopted, air blast cooling nothing more than, water-cooled and oil cooling; Wherein, air blast cooling is that fan is installed on the power brick casing, is blown into cold wind so that its heat is taken away through the gap on the battery case; The maximum shortcoming of this mode is that radiating effect is poor, also is prone to cause the local temperature in the battery case uneven simultaneously, and near the temperature the air inlet is low often; And the temperature of air outlet is high; This temperature inhomogeneity directly has influence on cell consistency in the power brick, quickens the deterioration of power brick serviceability; And water-cooled or oil cooling mode, though radiating effect is better, it often causes the internal structure in the power brick complicated, and pipeline gathers, and causes the long-pending increase of battery inclusion, and its quality and cost also rise thereupon.

Summary of the invention

The purpose of the utility model provides a kind of battery pack system simple in structure, and thermal diffusivity is good and take up room little.

For realizing above-mentioned purpose; The utility model has adopted following technical scheme: a kind of battery pack system; Comprise housing, be arranged at battery module in the housing and the control module that is used to control battery module output current and voltage; Said battery pack system also comprises radiating module, arranges on the said radiating module into and out of the air port, and radiating module is arranged in the housing and its air outlet points to the setting of battery module place.

The beneficial effect of the utility model is: through technique scheme, radiating module is installed in the enclosure interior of power brick, directly battery module is carried out wind cooling temperature lowering, heat that battery module produces can be taken away in good time; Not only improve the radiating effect of power brick, avoided traditional heat radiation outside housing and the not enough problem of radiating effect that causes, its overall volume of having compared traditional water-cooled or the reduction further of oil cooling mode simultaneously, it is little to take up room.

Description of drawings

Fig. 1 removes the structural representation after the upper case portion for the utility model;

Fig. 2 takes out the structural representation behind the battery module for Fig. 1;

Fig. 3 is the radiating module structure sketch map;

Fig. 4-5 is the structural representation of upper case portion;

Fig. 6 is the discharge pipe structural representation;

Fig. 7 is the blast pipe structural representation;

Fig. 8 is the structural representation of support.

Embodiment

A kind of battery pack system; Comprise housing, be arranged at battery module 10 in the housing and the control module 20 that is used to control battery module 10 output currents and voltage; Said battery pack system also comprises radiating module 30; Arrange into and out of the

air port

31,32 on the said radiating module 30, radiating module 30 is arranged in the housing and its air outlet 32 points to battery modules 10 places and is provided with, shown in Fig. 1-2.

As the further preferred version of the utility model: as shown in Figure 3, radiating module 30 is an air exhauster; Simultaneously; For realizing the Rational structure configuration of the utility model; Guarantee minimizing of its volume; As shown in Figure 1, said radiating module 30 and battery module 10 control module 20 both sides that are placed in, radiating module 30 air outlets 32 are passed by control module 20 belows and postpone and close on battery module 10 1 side bottom places and be provided with.Like this; On the one hand through the separated type design of radiating module 30 with battery module 10; Guaranteed the commutativity of the existing relatively battery pack system of the utility model; When existing product is updated, even, can not make it directly realize the result of ventilating heat dissipation of the utility model through installing corresponding component additional with too much changing its inner structure originally; On the other hand, the air outlet 32 of radiating module 30 directly closes on battery module 10 bottoms, thereby has guaranteed the sharp draft heat radiation of corresponding battery module 10; When battery module 10 work; The high wind that air outlet 32 blows out can produce heat with it in good time and take away, and has not only improved the radiating effect of power brick, has avoided traditional heat radiation outside housing and the radiating effect deficiency that causes and the uneven problem of dispelling the heat; Simultaneously the power brick temperature is evenly descended, its radiating efficiency is high.

Further, shown in Fig. 1-2 and Fig. 4-5, housing comprises that base plate 41 and pressure cover in the upper shell 42 on the base plate 41, also promptly says its whole formation buckle-type box body structure between the two; Simultaneously; Battery module 10, control module 20 and radiating module 30 all are arranged on the base plate 41; The radiating module 30 air inlet places of closing on of said upper shell 42 offer fresh air inlet 42a, the corresponding exhaust vent 42b that offers of the other end side-walls of the relative radiating module 30 of upper shell 42.Like this, on the one hand fresh air inlet 42a has guaranteed that the air inlet 31 of radiating module 30 can obtain extraneous height/Cryogenic air fast, thereby or realize the startup preheating of battery module 10, or realize its quick cooling; On the other hand; Through outlet and

inlet hole

42a, 42b all being arranged at the upper position place of upper shell 42 sidewalls, artificial its enclosure interior air-flow is formed advance wave upon wave, air-flow by fresh air inlet 42a after air inlet 31 sucks; Be blown into battery module 10 bottoms by air outlet Final 32 power; Finally discharged by the exhaust vent that is positioned at place, battery module 10 other ends top, thereby guarantee its heat radiation evenly, efficient is high.

Further; The housing profile is rectangular-shaped; Its outlet and inlet hole 42a, outside corresponding being linked with of 42b into and out of

airduct

50,60; The outlet and inlet hole 42a of said housing, the outer wall place of 42b present position are provided with pin hole, into and out of the corresponding position of

airduct

50,60 plug pin portion are set, and both constitute to peg graft and cooperate.Setting into and out of

airduct

50,60 is in order to help the quick formation in its turnover air channel, to be unlikely to have influence on peripheral equipment when not only having guaranteed its work, also giving security for the quick air intake of its air inlet 32 simultaneously here.Can be multiplely into and out of

airduct

50,60 shapes, only need to be in and dodge the position and connect and get final product with peripheral facility; Its actual grafting mated condition also can be varied, is wherein a kind of implementation shown in Fig. 4-7, also is and is arranging cutting portion as shown in the figure into and out of

airduct

50,60 places, arranges in the housing corresponding position simultaneously to transplant a cutting lock, and final formation cooperates; Certainly, the diversity of its actual its assembled form then can be chosen according to producer and user's actual conditions in use, just gives unnecessary details no longer one by one here.In addition, in such scheme, can preferably blast pipe 50 be communicated with the compartment, thereby concrete implementation be provided for aforesaid " air inlet 31 can obtain extraneous height/Cryogenic air fast "; During the broiling summer; Radiating module 30 can suck the cold air in the compartment in the housing, reduce the working temperature of battery module 10 fast, and in winter of cold; Then can the hot gas in the compartment be sucked housing again; Battery module 10 is carried out preheating, finally reach the purpose of operational environment that improves battery and the service behaviour that improves battery, achieve many things at one stroke.

Further; Air outlet 32 structures are done with delimit: shown in Fig. 1-3 here; The air outlet 32 of radiating module 30 is postponed to battery module 10 places and is by narrow extremely wealthy flat dustpan columnar structure, and its dustpan columnar structure button is located on the base plate 41 and is mated the air-out passage that forms radiating module 30.In other words; This moment, air outlet 32 promptly formed similar flat horn-like structure, and like this, the wind-force that radiating module 30 produces can evenly be sent into battery module 10 bottoms with its horn-like mouth of pipe; Thereby be more convenient for battery module 10 integral body are carried out Homogeneouslly-radiating; Not only radiating efficiency is higher, has also guaranteed the serviceability of battery module 10 simultaneously, helps prolonging its useful life.

Further, like Fig. 1 and shown in Figure 8, battery pack system comprises support 70, and control module 20 is set up on the support 70, leaves the gap that supplies the air outlet 32 on the radiating module 30 to postpone and pass between support 70 bottoms and base plate 41 plate faces.The concrete structure of support 70 is the wealthy groove shape of rectangular plate shape as shown in Figure 8; It mainly acts on is support and control module 20; The current reservation amount that provides of the air-out passage that forms for air outlet 30; And prevent that control module 20 is damaged the air-out passage by pressure in use, finally guarantee to satisfy its useful life actual required.

Further, for realizing the electric energy output of battery module 10, as shown in Figure 5, radiating module 30 places of closing on of said upper shell 42 sidewalls are provided with power output terminal 80.Like this, its wiring place is away from the high heat end of housing, thereby effectively use for it is normal reliable assurance is provided.

Claims

1. battery pack system; Comprise housing, be arranged at battery module (10) in the housing and the control module (20) that is used to control battery module (10) output current and voltage; It is characterized in that: said battery pack system also comprises radiating module (30); Said radiating module (30) is gone up and is arranged into and out of the air port (31,32), and radiating module (30) is arranged in the housing and its air outlet (32) sensing battery module (10) is located to be provided with.

2. battery pack system according to claim 1; It is characterized in that: radiating module (30) is an air exhauster; Said radiating module (30) and battery module (10) control module (20) both sides that are placed in, radiating module (30) air outlet are passed by control module (20) below and are postponed and close on battery module (10) one side bottom places and be provided with.

3. battery pack system according to claim 2; It is characterized in that: housing comprises that base plate (41) and pressure cover in the upper shell (42) on the base plate (41); Battery module (10), control module (20) and radiating module (30) all are arranged on the base plate (41); Radiating module (30) the air inlet place of closing on of said upper shell (42) offers fresh air inlet (42a), the corresponding exhaust vent (42b) of offering of the other end side-walls of the relative radiating module (30) of upper shell (42).

4. battery pack system according to claim 3 is characterized in that: said outlet and inlet hole (42a, 42b) all is arranged at the upper position place of upper shell (42) sidewall.

5. according to claim 3 or 4 described battery pack systems; It is characterized in that: the housing profile is rectangular-shaped; Outside corresponding being linked with in its outlet and inlet hole (42a, 42b) into and out of airduct (50,60); The outer wall place of present position, the outlet and inlet hole of said housing (42a, 42b) is provided with pin hole, into and out of the corresponding position of airduct (50,60) plug pin portion is set, and both constitute to peg graft and cooperate.

6. according to claim 2 or 3 or 4 described battery pack systems; It is characterized in that: the air outlet (32) on the radiating module (30) is located to postpone to battery module (10) and is by narrow extremely wealthy flat dustpan columnar structure, and its dustpan columnar structure button is located at base plate (41) and is gone up and be mated the air-out passage that forms radiating module (30).

7. battery pack system according to claim 6; It is characterized in that: said battery pack system also comprises support (70); Control module (20) is set up on the support (70), leaves between support (70) bottom and base plate (41) plate face and confesses the gap of postponing and pass in air port (32).

8. according to claim 3 or 4 described battery pack systems, it is characterized in that: the radiating module (30) that closes on of said upper shell (42) sidewall locates to be provided with power output terminal (80).