CN203039001U

CN203039001U - Battery case

Info

Publication number: CN203039001U
Application number: CN2013200016443U
Authority: CN
Inventors: 陈敏; 陈健
Original assignee: SHENZHEN ZHONGJU NEW ENERGY TECHNOLOGY Co Ltd
Current assignee: SHENZHEN ZHONGJU NEW ENERGY TECHNOLOGY Co Ltd
Priority date: 2013-01-04
Filing date: 2013-01-04
Publication date: 2013-07-03
Anticipated expiration: 2023-01-04

Abstract

The utility model provides a battery case which comprises a battery case body, an air inlet, an air outlet and an air deflector. The battery case body is used for forming holding space to hold batteries; the air inlet is arranged on a lower portion of the battery case; the air outlet is arranged on an upper portion of the battery case; and an air channel is formed between the air deflector and the battery case body. According to the battery case, cold air enters into the battery case from the air inlet and flows along the air channel, hot air flows out from the air outlet, smooth air flow inside the battery case is guaranteed, and a purpose of uniform heat radiation is achieved.

Description

Battery case

Technical field

The utility model relates to a kind of battery case, particularly a kind of battery case with aeration structure.

Background technology

Battery the phenomenon of generating heat can occur when operate as normal, if untimely heat is distributed, can cause temperature too high and influence battery performance even the situation of blast on fire takes place.At present, under the situation of little multiplying power discharging, battery generally adopts the mode of nature cooling to dispel the heat, louvre mostly takes subtend to open can't form the air channel, make that mixing heat or can't forming free convection appears in device interior, cause radiating effect very poor or almost do not have, thereby have a strong impact on battery performance and useful life.When big multiplying power discharging, consider that battery is more concentrated, caloric value is big, under the situation that condition is agreed, can take forced air cooling, but owing to there is not special air channel design, makes the effect of forced air cooling have a greatly reduced quality, thereby can't play the effect of predetermined design.

The utility model content

The technical problems to be solved in the utility model is in order to overcome in the prior art owing to there is not special air channel design, makes the effect of forced air cooling have a greatly reduced quality, thereby can't play the defective of the effect of predetermined design, and a kind of battery case with aeration structure is provided.

The utility model is to solve above-mentioned technical problem by following technical proposals:

Battery case comprises the battery case body, is used to form an accommodation space, holds battery; Air inlet is positioned at the bottom of described battery case body; Air outlet is positioned at described battery case upper part of body; Wind deflector, described wind deflector and described battery case body form the air channel.Battery case provided by the utility model, cold air enters from air inlet, flows along the air channel, and hot-air flows out from air outlet, guarantees that battery case hollow air-flow is moving smooth and easy, thereby reaches the purpose of Homogeneouslly-radiating.

Preferably, described wind deflector is lower than described cell height.

Preferably, there is through hole on described wind deflector surface, the top sealing.

Preferably, described air channel is made of four facades of described battery case body and a bottom surface and 5 described wind deflectors respectively.

Preferably, described wind deflector is welded on the inwall of described battery case body.

Preferably, described battery case also comprises with the press strip that compresses described battery.

Positive progressive effect of the present utility model is: the utility model provides a kind of novel battery case, air enters from air inlet, flow along the air channel that forms between battery case body and the wind deflector, contact with battery surface from wind deflector surface through hole again, take away the heat that battery surface produces because of heating, guarantee that battery case hollow air-flow is moving smooth and easy, thereby reach the purpose of Homogeneouslly-radiating.

Description of drawings

Fig. 1 moves towards schematic diagram for the air channel air-flow of the utility model preferred embodiment.

Fig. 2 is the structural representation of the casing of the utility model preferred embodiment.

Fig. 3 is the casing planing surface schematic diagram of the utility model preferred embodiment.

Fig. 4 is the overall structure schematic diagram of the utility model preferred embodiment.

Embodiment

Below by embodiment, and come the clearer the utility model that intactly illustrates by reference to the accompanying drawings.

1-4 with reference to the accompanying drawings, battery case described in the utility model comprises air inlet 1, air outlet 2, battery case body 4, wind deflector 5, air channel 6, through hole 9.Battery 7 is packed in the battery case body 4, at battery 7 press strip 8 of packing into, thereby makes battery 7 fixing in battery case.Form air channel 6 between the inwall of battery case body 4 and the wind deflector 5, wind deflector 5 is lower than cell height, there are a large amount of through holes 9 on the surface, the top sealing.Air channel 6 is made of four facades of battery case body 4 and a bottom surface and 5 wind deflectors 5 respectively, forms one around battery 7 and air channel 6 structures of bottom surface; Because air channel 6 is full of twists and turns structures, when air-flow entered from air inlet 1, the dust in the air-flow can be deposited to 6 bottoms, air channel, thereby can not cause battery 7 surperficial laying dusts; There are a large amount of through holes 9 on wind deflector 5 surfaces, when air-flow flows out from the through hole 9 of wind deflector 5, can large-area contact battery 7 surfaces, thus can take away a large amount of heats, play good heat-radiation effect; Wind deflector 5 is welded on the inwall of battery case body 4, improves the bulk strength of battery case.

Air inlet 1 is in the bottom of battery case body 4, and air outlet 2 is in the both sides, top of battery case body 4, and the potential difference of air inlet 1 and air outlet 2 can be strengthened in the centre as far as possible, and potential difference is more big, and the effect that air is flowed is more big.Air enters from air inlet 1, flows along the air channel 6 that forms between battery case body 4 and the wind deflector 5, contacts with battery surface from wind deflector 5 surperficial through holes 9 again, takes away the heat that battery surface produces because of heating; The heat that the battery heating produces makes the temperature of air raise, thus the hot-air come-up.During greater than external environment condition air pressure, hot-air flows to the outside from air outlet at enclosure interior air pressure.Ambient air outside can be considered as one big heat sink, the hot-air of enclosure interior flows out from air outlet, directly arrives heat sinkly, finishes an exchange heat circulation.When battery operated, the heat of generation is more many, and the air pressure of inside battery is more big, and the flowing velocity of air is more fast, and the heat of taking away is just more many, thereby forms an optimum heat conversion cycle.

Cold air enters from

air inlet

1, and 6 flow along the air channel.Because the hot-air come-up makes hot-air at the casing top, plate 5 tops, air channel of the present utility model are sealed, and have only through hole 9 with the battery contact, and the battery heating makes the cold air temperature rise and float that hot-air is got rid of from air outlet 2; The situation of heat can not appear mixing in cold air and hot-air like this, and cold and hot air circulation situation can not appear in battery case inside.

Though more than described embodiment of the present utility model, it will be understood by those of skill in the art that this only illustrates, protection range of the present utility model is limited by appended claims.Those skilled in the art can make numerous variations or modification to this execution mode under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection range of the present utility model.

Claims

1. battery case comprises the battery case body, is used to form an accommodation space, holds battery; Air inlet is positioned at the bottom of described battery case body; Air outlet is positioned at described battery case upper part of body; Wind deflector, described wind deflector and described battery case body form the air channel.

2. battery case as claimed in claim 1 is characterized in that, described wind deflector is lower than described cell height.

3. battery case as claimed in claim 2 is characterized in that, there is through hole on described wind deflector surface, the top sealing.

4. battery case as claimed in claim 3 is characterized in that, described air channel is made of four facades of described battery case body and a bottom surface and 5 described wind deflectors respectively.

5. battery case as claimed in claim 1 is characterized in that, described wind deflector is welded on the inwall of described battery case body.

6. battery case as claimed in claim 1 is characterized in that, described battery case also comprises with the press strip that compresses described battery.