CN208336298U

CN208336298U - Battery case for electric car and the electric car with the battery case

Info

Publication number: CN208336298U
Application number: CN201820647329.0U
Authority: CN
Inventors: 张静
Original assignee: Continental Automotive Asia Pacific Beijing Co Ltd
Current assignee: Continental Investment China Co ltd; Vitesco Technologies Holding China Co Ltd
Priority date: 2018-05-03
Filing date: 2018-05-03
Publication date: 2019-01-04
Anticipated expiration: 2028-05-03

Abstract

The utility model relates to a kind of battery cases for electric car, it includes cabinet (1), it is the outer wall of side wall, bottom wall and top cover (4) that the cabinet, which has form, the enclosed accommodating chamber of the power battery for accommodating electric car is collectively formed in the outer wall, wherein, at least one outer wall is made of thermally conductive good material, is equipped with outer radiating fin (3) on the outer surface of at least one outer wall.The utility model further relates to a kind of electric car comprising at least one battery case above-mentioned.By pressing the embodiment of the utility model, it can not only help magazine ac chamber rapid cooling, it ensure that the normal work of battery, it also avoids and opens up heat release hole in tank surface, so that sealing is more tight, the effect of isolation rainwater and dust is effectively played, and the structural strength of entire cabinet and stability are further enhanced.

Description

Battery case for electric car and the electric car with the battery case

Technical field

The utility model relates to new energy battery technology fields, and in particular to a kind of battery case for electric car.Separately Outside, the utility model further relates to a kind of electric car with the battery case.

Background technique

In recent years, for various aspects such as the energy and environmental protection the considerations of, China actively promotes the development of new-energy automobile.Each In the technology path of kind new-energy automobile, it is generally considered not using hybrid power and pure electric automobile as the electric car of representative Carry out the Main way of energy source of car dynamical system, and has become each Main Auto manufacturer development priority.

Core key components of the power battery as electric car, often generate more heat at work, If not excluded in time to these heats, the service life of new energy battery will seriously affect, for this problem, existing Having in technology has had some corresponding solutions.For example, being disclosed in Chinese utility model patent CN205911342U A kind of water proof radiating new energy battery case, including cabinet are provided with case lid at the top of the cabinet, and the bottom surface of case lid is provided with Positive stop strip, and case lid is clamped by the medial surface of positive stop strip and cabinet, the edge of case lid bottom surface also integrally formed with flow guide bar, The side surface of the cabinet offers heat release hole, and the front end face and rear end face of box house offer second sliding slot, and two the The second plastic septum is slidably connected between two sliding slots, it is sliding that the left side and right side of the box house offer first Slot slidably connects the first plastic septum between two first sliding grooves, and in the first plastic septum and the second plastic septum The inside of cabinet is divided into four placed cavities, first plastic partition by portion's clamping, the first plastic septum and the second plastic septum Dovetail groove is offered on plate and the second plastic septum, and through-hole is equidistantly distributed in dovetail groove.

However, opening up due to heat release hole, causes when raining rainwater to be easily advanced into the inside of battery case, make new energy Source battery short circuit, influences the normal use of new energy battery.In addition, there are also new energy battery cases using air-cooled or water cooling Mode radiates to the inside of battery case, but due to needing to use electrical equipment when air-cooled or water cooling, leads to new energy battery Load excessive, new energy battery can generate new heat again while heat dissipation, not only waste the energy, but also the new energy of influence The service life of source battery.

Utility model content

The purpose of the utility model is to provide a kind of battery case for electric car, can not only rapid cooling, and And can prevent rainwater and dust from entering battery case, so as to avoid the battery in battery case is influenced by rainwater or dust and cannot The problem of normal operation or the lost of life.

Above-mentioned purpose is solved by a kind of battery case for electric car, which includes cabinet, which has Form is the outer wall of side wall, bottom wall and top cover, wherein the power battery for accommodating electric car is collectively formed in the outer wall Enclosed accommodating chamber, wherein at least one outer wall is made of thermally conductive good material, in the outer surface of at least one outer wall It is equipped with outer radiating fin.The thermally conductive good material is, for example, metal material, such as aluminum material.

In the battery case according to the present utility model for electric car, by the outer surface of at least one outer wall Outer radiating fin is set, has achieved the purpose that help magazine ac chamber rapid cooling, ensure that the normal work of battery, keep away simultaneously Exempt to open up heat release hole in tank surface, so that sealing is more tight, has effectively played the effect of isolation rainwater and dust, and The structural strength and stability of entire cabinet are further enhanced.

A preferred embodiment according to the present utility model, longitudinally sees along electric car, and the outer radiating fin is arranged in case On the left side wall of body and the outer surface of right side wall.So that remaining side wall may be used as other purposes, for example, in order to vehicle Body is fixed and is equipped with connector etc..Meanwhile by the way that outer radiating fin is arranged in the left and right sides, so that entire cabinet heat dissipation is uniformly, The problem of avoiding uneven heating and deforming.

In order to further increase heat dissipation effect, in the accommodating chamber of the cabinet be equipped at least one partition, it is described at least One baffle design is hollow structure, and the hollow structure is connected to the external environment of cabinet, wherein it is described at least one every Interior radiating fin is formed on the outer surface of plate integrally formed with interior heat absorbing fins and/or on the inner wall of at least one partition Piece.

Preferably, at least one described partition includes the intermediate bulkhead being arranged among cabinet and is arranged in intermediate bulkhead side At least one side partition in face, the longitudinal direction along electric car are seen, are equipped with and the intermediate bulkhead in the front of the cabinet The air inlet pipe and be equipped with back cover, the rear end of the intermediate bulkhead and at least one side partition at the back side of cabinet that inner cavity is connected to It is connected to the inner cavity of back cover, wherein the side of the cabinet offers the exhaust outlet being connected to at least one described side partition. Hollow intermediate bulkhead and side partition are set by the accommodating chamber in cabinet, and the heat in accommodating chamber can be by partition The air-flow flowed in chamber is taken out of, and the heat dissipation of box house accommodating chamber is further improved.

Preferably, at least one described side partition and the upper surface of intermediate bulkhead and the bottom surface of top cover contact.Thus into One step improves the structural stability and intensity of entire cabinet.

A preferred scheme according to the present utility model, the top cover is connected through a screw thread part and the side wall of cabinet is fixed Connection.Top cover is removably fixedly connected with the side wall of cabinet as a result, intracorporal to case is contained in convenient for dismantling top cover Power battery is safeguarded and is checked.

Preferably, it is seen along the short transverse of electric car, the interior radiating fin is from top to bottom equally spacedly at middle interval Horizontal extension on the inner wall of plate and/or side partition.

It is further preferred that the longitudinal direction along electric car is seen, the interior heat absorbing fins are from front to back equally spacedly Extend vertically on the outer surface of intermediate bulkhead and side partition.

It is also preferred that the longitudinal direction along electric car is seen, the interior heat absorbing fins are from front to back equally spacedly in Extend vertically on the outer surface of spacing board and side partition.

The utility model additionally provides a kind of electric car comprising at least one battery case above-mentioned.

Detailed description of the invention

Other characteristics and advantages of the utility model are provided by following by means of the preferred embodiment description of attached drawing.

Embodiment shown in figure is only a kind of possible embodiment of the utility model, specification, claim And the feature in attached drawing including can also be combined with each other to obtain other different schemes in different ways.

Attached drawing is shown:

Fig. 1 is the front view by the battery case of the utility model；

Fig. 2 is the view in transverse section by the battery case of the utility model；

Fig. 3 is the longitdinal cross-section diagram of the battery case of the utility model；

Fig. 4 is the rearview of the battery case of the utility model.

List of numerals: 1 cabinet, in 2 behind radiating fin, 3 outer radiating fins, 4 top covers, 5 exhaust outlets, 6 air inlet pipe, 7 It covers, heat absorbing fins, 9 side partitions, 10 intermediate bulkheads in 8.

Specific embodiment

Fig. 1 shows a kind of preferred form of implementation of the battery case for electric car by the utility model, packet Cabinet 1 is included, outer radiating fin 3 is provided on the left side wall of cabinet 1 and the outer surface of right side wall.Along the longitudinal direction of electric car Direction observation, is connected with, preferred weld has intermediate bulkhead 10 and two pieces of side partitions 9 between the front and rear wall of cabinet 1, wherein Two pieces of side partitions 9 are located at the two sides of intermediate bulkhead 10.Obviously, more muti-piece side partition or middle interval also can be set herein Plate.Here, the upper surface of side partition 9 and intermediate bulkhead 10 is in contact with the bottom surface of top cover 4, therefore support is played to top cover 4 Effect, strengthens the stability and intensity of entire body structure.

Side partition 9 and intermediate bulkhead 10 are hollow structure, on the outer surface of side partition 9 and intermediate bulkhead 10 Integrally formed with interior heat absorbing fins 8.Along the longitudinal 2 observation of electric car, these interior heat absorbing fins 8 are from front to back equidistantly in Extend vertically on the outer surface of spacing board 10 and side partition 9.Certainly, at this it is also contemplated that heat absorption in arrangement in other ways Fin 8.In addition, forming interior radiating fin 2 on the inner surface of side partition 9 and intermediate bulkhead 10.Along the height of electric car Degree direction sees, the interior radiating fin 2 from top to bottom equidistantly horizontal extension on the inner wall of intermediate bulkhead 10 and side partition 9.By It is identical as air circulation direction in the setting direction of interior radiating fin 2, the circulation of air is facilitated, radiating efficiency is improved.It is interior Preferably by thermally conductive good material, preferably aluminum material is made for heat absorbing fins and interior radiating fin and each partition.

The inner cavity of cabinet 1 is separated into several sub- accommodating chambers by side partition 9 and intermediate bulkhead 10, this little accommodating chamber is excellent Select volume equal.At the top of cabinet 1, engaging has top cover 4, and top cover 4 is connected through a screw thread part, the preferably side wall of screw and cabinet 1 Connection.It is welded with back cover 7 at the back side of cabinet 1, back cover 7 is especially centrally located on 1 back side of cabinet.Along the longitudinal direction side of electric car To observation, side partition 9 and intermediate bulkhead 10 are connected in rear end with the inner cavity of back cover 7, the two sides of cabinet 1 offer respectively with The exhaust outlet 5 of two side partitions 9 connection, while in the front of cabinet 1 is preferably equipped at middle part and is connected to intermediate bulkhead 10 Air inlet pipe 6.

Since hollow side partition 9 and intermediate bulkhead 10 being arranged in the accommodating chamber of cabinet 1, by intermediate bulkhead 10 The heat inside cabinet 1 can be taken out of, be played to cavity radiating in cabinet 1 with the air-flow flowed in the inner cavity of side partition 9 Purpose, ensure that the normal work of battery.In addition, the heat absorption fins in the outer surface of side partition 9 and intermediate bulkhead 10 is arranged Piece 8 increases the contact area of side partition 9 and 10 outer surface of intermediate bulkhead and 1 inner cavity air of cabinet, promotes in cabinet 1 Heat transmitting between cavity space gas and side partition 9 and intermediate bulkhead 10.Meanwhile it being set in side partition 9 and 10 inner wall of intermediate bulkhead The heat exchange that interior radiating fin 2 facilitates heat Yu side partition 9,10 inner cavity moving air of intermediate bulkhead is set, heat dissipation is improved Effect, by the heat dissipation channel for having cooperatively formed detour of intermediate bulkhead 10, back cover 7 and side partition 9, take full advantage of by into The air that tracheae 6 enters, and while heat dissipation, it avoids and opens up heat release hole on 1 surface of cabinet, so that entire cabinet 1 is close Envelope is more tight, has effectively played the effect of isolation rainwater and dust, and stability is preferable.

It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic Element.

It is understood that embodiment of above is merely to illustrate that the design of the utility model and uses exemplary Embodiment, however the utility model is not limited thereto.For those skilled in the art, this is not being departed from In the case where the spirit and essence of utility model, various changes and modifications can be made therein, these variations and modifications are also considered as this reality With novel protection scope.

Claims

1. a kind of battery case for electric car comprising cabinet (1), it is side wall, bottom wall and top cover which, which has form, (4) outer wall, it is characterised in that: the enclosed receiving of the power battery for accommodating electric car is collectively formed in the outer wall Chamber, wherein at least one outer wall is made of thermally conductive good material, and outer heat dissipation is equipped on the outer surface of at least one outer wall Fin (3).

2. battery case as described in claim 1, which is characterized in that longitudinally seen along electric car, the outer radiating fin (3) sets It sets on the left side wall of cabinet (1) and the outer surface of right side wall.

3. battery case as claimed in claim 1 or 2, which is characterized in that be equipped at least one in the accommodating chamber of the cabinet (1) A partition, at least one described baffle design are hollow structure, and the hollow structure is connected to the external environment of cabinet, wherein Integrally formed with interior heat absorbing fins (8) and/or at least one partition on the outer surface of at least one partition Interior radiating fin (2) are formed on inner wall.

4. battery case as claimed in claim 3, which is characterized in that at least one described partition includes being arranged in cabinet (1) Between intermediate bulkhead (10) and at least one side partition (9) of intermediate bulkhead side is set, the longitudinal direction along electric car is seen, The air inlet pipe (6) being connected to the inner cavity of the intermediate bulkhead (10) is equipped in the front of the cabinet (1) and in cabinet (1) The back side is equipped with back cover (7), and the inner cavity of the rear end and back cover (7) of the intermediate bulkhead (10) and at least one side partition (9) connects It is logical, wherein the side of the cabinet (1) offers the exhaust outlet (5) being connected to at least one described side partition (9).

5. battery case as claimed in claim 1 or 2, which is characterized in that at least one described side partition (9) and intermediate bulkhead (10) upper surface is contacted with the bottom surface of top cover (4).

6. battery case as claimed in claim 1 or 2, which is characterized in that the top cover (4) is connected through a screw thread part and cabinet (1) side wall is fixedly connected.

7. battery case as claimed in claim 4, which is characterized in that the short transverse along electric car sees, the interior radiating fin Piece (2) the from top to bottom equally spacedly horizontal extension on the inner wall of intermediate bulkhead (10) and/or side partition (9).

8. battery case as claimed in claim 4, which is characterized in that the longitudinal direction along electric car sees, the interior heat absorption fins Piece (8) equally spacedly extends on the outer surface of intermediate bulkhead (10) and side partition (9) vertically from front to back.

9. battery case as claimed in claim 4, which is characterized in that the back cover (7) is medially fixed on cabinet (1) back side.

10. a kind of electric car comprising at least one is according to claim 1 to battery case described in one of 9.