A kind of lithium battery mould group
Technical field
The present invention relates to battery energy technology field more particularly to a kind of lithium battery mould groups.
Background technique
With the development of new source energy equipment such as electric vehicle, merchandising machine people, electric ship, the use of lithium battery is increasingly wider
General, battery core capacity, output power and cell load are increasing, and battery core quantity is also more and more, and working environment is more and more harsher,
Accompanied by, the heat inside entire battery modules is also higher and higher, and battery weight is increasingly heavier, and the use of battery modules
Performance is influenced by temperature and working environment deeply, how by battery modules control in reasonable temperature, and make much more so
Battery core can be securely attached to together, its performance and service life be made to reach optimum state, this just to battery core mould group radiate aspect with
And more stringent requirements are proposed for the design of integral strength scheme.
The heat sink conception of existing common cell mould group is mostly natural heat dissipation, is semiclosed set using upper bracket and lower bracket
Meter, battery core group is fixed in bracket battery core slot, the natural heat dissipation space that battery core itself is contacted with air can be given after assembly, electricity
After core group assembles, upper bracket and lower bracket make-up lock the corresponding stud of bracket to form entirety using screw, nickel sheet dress
Assigned in spot welding connection is carried out with battery core in nickel sheet slot, battery modules are in use, electric current by battery core, nickel sheet, after control panel, is concentrated
Generate heat, since battery pack has been assemblied in shell, the transmitting of heat can only by battery pack and enclosure interior air into
Row transmitting, the heat that shell absorbs are transmitted with hull outside environment again, and the heat sinking function of entire battery modules is reached with this.
This scheme is general design scheme, and there are following disadvantages: 1, in the environment of working long hours, battery modules internal heat meeting
It is higher and higher, if can not quickly transmit, cause battery pack that can continue sex work, the use of entire battery modules under high temperature environment
Service life necessarily reduces;2, key heat generating source: nickel sheet is used as in battery modules, since it is directly contacted with battery core surface,
If its heat effectively can not be passed quickly, the heat of that nickel sheet can be transferred directly to battery core end, not only reduce monomer electricity
The service life of core, while the service performance of single battery core is more influenced, for the battery pack more for battery core quantity, performance institute
It is bigger by being influenced;3, shell is plastic material, and intensity is poor, unbearable impact, is not suitable for using in vehicle.
Summary of the invention
It is simple it is an object of the invention to provide a kind of structure in place of overcoming the deficiencies in the prior art described above, it is practical
Lithium battery mould group.
The present invention realizes in the following way:
A kind of lithium battery mould group, it is characterised in that: including shell, it is tubular that the shell, which is metalwork,;The shell
Battery cavities are inside formed with, when the battery cavities are two or more, two battery cavities are connected integrally by interval, two battery cavities
Between interval form ventilation shaft;Battery pack is equipped in the battery cavities, the points outside of battery pack is welded with nickel sheet group, the nickel
Piece group is connected with battery pack;The two sides of the shell are connected separately with left support and right support, the left support and right support
Battery pack is fixed in the battery cavities of shell;Left cover is connected on the left support;The right support is equipped with and nickel sheet group
The battery protecting plate being connected;The right support is equipped with right cover, and right cover covers at battery protecting plate interior;It is set in the right cover
There is the power supply being connected with battery protecting plate to export input connector.
Further, the battery pack is made of two battery brackets with several lithium cells, and several lithium cells are set to two
Between battery bracket, it is whole to form a mould group.
Further, dielectric piece is equipped between the nickel sheet group and the inner wall of battery cavities;The dielectric piece with
Heat conductive insulating dielectric-slab is equipped between nickel sheet group.
Further, the battery protecting plate is equipped with radiating aluminium sheet.
Further, ventilation hole is respectively equipped in the left cover and right cover.
Further, the right cover is equipped with the indicator light being connected with battery protecting plate.
Further, the shell is equipped with radiating fin.
Further, the left support and right support are equipped with sealing ring with the junction of shell respectively.
Further, the shell is equipped with handle.
The beneficial effects of the present invention are: 1, effectively improve the heat dissipation effect of battery modules entirety;2, pass through metal
Shell directly quickly and effectively transmits nickel sheet heat, reduces use environment temperature, makes the use of battery core and battery core mould group
Performance and service life reach more preferably state;3, heat dissipation effect is not only increased, shell bulk strength is also enhanced, improves shock resistance
Ability allows battery more case to close;4, dual waterproof sealing, more reliable safety.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of embodiment of the present invention
Attached drawing be briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not to be seen as
It is the restriction to range, it for those of ordinary skill in the art, without creative efforts, can be with root
Other relevant attached drawings are obtained according to these attached drawings.
Fig. 1 structure of the invention exploded view;
Fig. 2 structure of the invention cross-sectional view.
Specific embodiment
To keep the purposes, technical schemes and advantages of embodiment of the present invention clearer, implement below in conjunction with the present invention
The technical solution in embodiment of the present invention is clearly and completely described in attached drawing in mode, it is clear that described reality
The mode of applying is some embodiments of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
Domain those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present invention
The range of protection.Therefore, the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit below and is wanted
The scope of the present invention of protection is sought, but is merely representative of selected embodiment of the invention.Based on the embodiment in the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts belongs to this
Invent the range of protection.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " rear end ",
The orientation or positional relationship of the instructions such as " both ends ", " one end ", " other end " is to be based on the orientation or positional relationship shown in the drawings, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Have ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, may be a detachable connection, or one
Ground connection;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, the indirect phase of intermediary can also be passed through
Even, it can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
Embodiment:
A kind of lithium battery mould group, as shown in Figure 1 and Figure 2, including shell 1, the shell 1 are metalwork, are tubular, can
Preferentially to select mature aluminum extruded technique to be manufactured, technology maturation is at low cost, and intensity is good, rapid heat dissipation;It can also basis
Actual needs, the shell 1 of metal is processed using metal casting mode;Shell 1 was both used as a components of battery modules,
It is also used simultaneously as the thermal component of battery modules;Battery cavities 2 are formed in the shell 1, battery cavities 2 can be according to reality
Demand is increased and decreased, and when battery cavities 2 are two or more, two battery cavities 2 are connected integrally by interval, two battery cavities 2
Between interval form ventilation shaft 3, be equipped with battery pack 4 in the battery cavities 2, the battery pack 4 is by two battery brackets 41
It is formed with several lithium cells 42, several lithium cells 42 are set between two battery brackets 41, use screw or buckle or splicing etc.
Mode fastens as a mould group entirety;The outside of two battery brackets 41 is put respectively is welded with nickel sheet group 5, the nickel sheet group 5 and lithium
Battery core 42 is connected;Nickel sheet group 5 makes single-unit battery core in series and parallel at battery core group;It is set between the nickel sheet group 5 and the inner wall of battery cavities 2
There is dielectric piece 6, so that battery pack 4 be enable to conduct heat on shell 1;Between the dielectric piece 6 and nickel sheet group 5
Equipped with heat conductive insulating dielectric-slab 7, the dielectric piece 6, heat conductive insulating dielectric-slab 7, nickel sheet group 5 and battery pack 4 form one
Battery core mould group;The two sides of the shell 1 are connected separately with left support 8 and right support 9, and the left support 8 and right support 9 are by battery core
Mould group is fixed in the battery cavities 2 of shell 1;Left cover 10 is connected on the left support 8;The right support 9 is equipped with and nickel sheet
The battery protecting plate 11 that group 5 is connected;The battery protecting plate 11 is equipped with radiating aluminium sheet 12, for radiating;The right support 9
It is equipped with right cover 13, right cover 13 covers at battery protecting plate 11 and radiating aluminium sheet 12 interior;High fever device on battery protecting plate 11
Part contacted by radiating aluminium sheet 12 with right cover 13, and then by contacting with each other with shell 1, it is enterprising to conduct heat to shell 1
Row heat dissipation;Ventilation hole 14 is respectively equipped in the left cover 10 and right cover 13;The right cover 13 is equipped with and 11 phase of battery protecting plate
The indicator light 15 and power supply of connection export input connector 16.
In the present embodiment, shell 1 is equipped with radiating fin 17, can generate while increasing heat radiation area to shell 1
The effect of strengthening rib strip, the structural strength of further shell 1, impact resistance and the overall structure for improving battery core mould group are strong
Degree;In addition, the battery cavities 2 of shell 1 can be increased and decreased according to actual needs, so as to flexibly realize battery booster or dilatation;It is more
Between a battery cavities 2, it can also reserve appropriate space and form ventilation shaft 3;Shell 1 is equipped with radiating fin 17, not only increases
Heat dissipation area reinforces heat-sinking capability using flowing of the air in air duct, guarantees the safety inside battery pack 4 to greatest extent,
It is very suitable for similar using on battery-operated motor cycle class product.
In the present embodiment, using left support 8 and right support 9 respectively with the glue groove of shell 1 cooperatively formed, with left cover 10 and
The cooperation of the corresponding ring muscle of right cover 13, is sealed fixation using sealant, furthermore matches in left cover 10 and right cover 13 with shell 1
Plane at, design has the sealed adhesive slot of annular, can be by placing sealing ring 18 or the injection modes such as sealant, so that left
Lid 10 and right cover 13 can get up inner space dual-seal, thus realize the dustproof and waterproof sealing of battery core mould group entirety, this
Kind mode, can make the lithium cell of entire battery core module internal obtain safer working environment, avoid outside moisture or gold
Category dust enters inner space and battery core module internal short circuit is caused to cause danger.
It in the present embodiment, in order to facilitate movement and guides and supports, the shell 1 is equipped with handle 19.
When implementation, after battery pack 4 is using the fixed spot welding nickel sheet group 5 of screw, heat conductive insulating medium is equipped in nickel sheet group 5
Plate 7, heat conductive insulating dielectric-slab 7 are directly contacted with nickel sheet group 5 due to itself having excellent thermally conductive and insulating properties, not only can be with
Effectively the heat of nickel sheet group 5 itself is quickly transmitted, reduces the temperature of nickel sheet group 5 itself, and also reduces lithium cell 42
The temperature of end face, while also playing good insulation protection function;Due to current common heat conductive insulating dielectric-slab 7 generally compared with
It is soft, there is certain elasticity, the ability of puncture resistant is weaker, therefore posts one layer of ultra-thin insulation again on heat conductive insulating dielectric-slab 7 and be situated between
Matter piece 6 increases puncture resistant and insulating capacity;By dielectric piece 6, heat conductive insulating dielectric-slab 7, nickel sheet group 5 and battery pack 4 one
After one assembles, battery core mould is assembled into the battery cavities 2 of shell 1;Battery core mould group surrounding screw and shell 1 are locked, thermally conductive
Insulation medium board 7 has mild compression amount, and dielectric has preferable intensity and finish, is assembled into battery cavities in battery core mould
During 2, heat conductive insulating dielectric-slab 7 is compressed, and eliminates surface irregularity, and the microcosmic influence factors such as unnecessary clearance make thermally conductive exhausted
Edge dielectric-slab 7 can fully be in contact with shell 1, increase contact surface to the greatest extent;Dielectric piece 6 is by 4 appearance of battery pack
Bread is wrapped up in smooth, reduces assembly resistance, so not only improves the effect of heat transfer, at the same also to the compactness of assembly and
Firmness all plays effective booster action;Shell 1 after locking both plays battery case protection electricity in entire battery pack
The effect in pond, while also carry the effect of cooling fin for the transmitting of entire battery core module internal heat, effectively reduce electricity
The own temperature of core model group improves the working environment of battery core mould group, improves service performance and the service life of battery core mould group, simultaneously
Also reduce the production cost of entire battery core mould group.
The foregoing is merely the preferred embodiment of the present invention, are not intended to restrict the invention, for this field
For technical staff, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.