Utility model content
In order to overcome above-mentioned deficiency of the prior art, the utility model provides a kind of power-supply system and automobile, and it can
Temperature difference effectively in control battery modules between multiple battery cores, it can effectively extend the service life of battery modules.
The utility model preferred embodiment provides a kind of power-supply system, the power-supply system include battery modules and for pair
The heat-transfer device that the temperature of the battery modules is regulated and controled;
The battery modules include the battery submodule group that multilayer is formed by multiple battery core laid out in parallel;
The heat-transfer device includes:The cold part of liquid and heat-conductive assembly;
The cold part of liquid is arranged between adjacent battery submodule group, and the cold part of liquid is towards the side of the battery submodule group
The heat-conductive assembly, the heat-conductive assembly and the sub- module contact of the battery are provided with face, the heat-conductive assembly is used in institute
State and carry out heat transfer between battery submodule group and the cold part of the liquid.
In the utility model preferred embodiment, the heat-conductive assembly is led including the first heat-conducting piece being mutually matched and second
Warmware;
The cold part of liquid is towards being provided with second heat-conducting piece on the side of the battery submodule group;
Second heat-conducting piece is towards being provided with first heat-conducting piece on the side of the battery submodule group;
First heat-conducting piece and the sub- module contact of the battery.
In the utility model preferred embodiment, the battery modules are provided with multiple temperature sensors, and the temperature passes
Sensor, which is arranged at, is used for the temperature for detecting the battery core in battery core.
In the utility model preferred embodiment, the heat-transfer device is also led including at least one for regulating and controlling described second
Warmware and the sliding adjusting device of the first heat-conducting piece contact area;
The sliding adjusting device is connected with second heat-conducting piece, when the temperature difference for detecting adjacent two layers battery submodule group
During more than predetermined threshold value, the sliding adjusting device controls second heat-conducting piece to be slided relative to first heat-conducting piece, with
The contact area between second heat-conducting piece and first heat-conducting piece is adjusted, and then regulates and controls the adjacent two layers battery submodule
The temperature difference of group.
In the utility model preferred embodiment, the heat-transfer device also includes control device;
The control device is electrically connected with the multiple temperature sensor, obtains the multiple temperature sensor detection
Battery core temperature, and the battery core temperature of acquisition is handled.
In the utility model preferred embodiment, the control device is connected with the sliding adjusting device, the control
Equipment controls the sliding adjusting device to be led to described second when the temperature difference of adjacent two layers battery submodule group is more than predetermined threshold value
Contact area between warmware and first heat-conducting piece is adjusted.
In the utility model preferred embodiment, the sliding adjusting device includes:Slip joint and regulating and controlling mechanism;
One end of the slip joint is connected with the regulating and controlling mechanism, the other end of the slip joint and described the
Two heat-conducting pieces are fixedly connected, and the regulating and controlling mechanism is by controlling the slip joint to make second heat-conducting piece relative to described
First heat-conducting piece slides.
In the utility model preferred embodiment, the thermal conductivity factor of first heat-conducting piece is more than second heat-conducting piece
Thermal conductivity factor, the coefficient of expansion of first heat-conducting piece is more than the coefficient of expansion of second heat-conducting piece, when the battery submodule
Group temperature is too high, during first heat-conducting piece heat absorption expansion, the first heat-conducting piece thickness increase make the cold part of the liquid with it is described
Entire thermal resistance between battery submodule group reduces, and the temperature of the battery submodule group is reduced to accelerate heat transfer.
In the utility model preferred embodiment, first heat-conducting piece and the second heat-conducting piece are disposed as waveform tabular
Structure, to increase the contact area with the battery submodule group, and the contact area with the cold part of the liquid.
The utility model preferred embodiment also provides a kind of automobile, and the automobile includes engine and above-mentioned middle any one
Described power-supply system;
The power-supply system is electrically connected with engine, and the power-supply system provides electric energy to the engine, the hair
Motivation converts electrical energy into mechanical energy and drives the motor racing.
In terms of existing technologies, the utility model has the advantages that:
The utility model preferred embodiment provides a kind of power-supply system and automobile.The power-supply system include battery modules and
For the heat-transfer device regulated and controled to the temperature of the battery modules.It is arranged side by side by multiple battery cores that the battery modules include multilayer
The battery submodule group that arrangement is formed.The heat-transfer device includes:The cold part of liquid and heat-conductive assembly.The cold part of liquid is arranged on adjacent
Between battery submodule group, the cold part of liquid is described to lead towards being provided with the heat-conductive assembly on the side of the battery submodule group
Hot component and the sub- module contact of the battery, the heat-conductive assembly are used to enter between the battery submodule group and the cold part of the liquid
Row heat transfer.Thus, by setting heat-transfer device, can have to the temperature difference between multiple battery cores in battery modules
Effect control, it can effectively extend the service life of battery modules.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of.
Therefore, the detailed description of the embodiment of the present utility model to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship, or
The utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and letter
Change description, rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area
Divide description, and it is not intended that instruction or hint relative importance.
In addition, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and
It is to be slightly tilted.Such as " level " only refers to that its direction is more horizontal with respect to for " vertical ", is not to represent the structure
Must be fully horizontal, but can be slightly tilted.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected;Can be mechanical connection or electrical connection;Can be joined directly together, intermediary can also be passed through
It is indirectly connected, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
Below in conjunction with the accompanying drawings, some embodiments of the present utility model are elaborated.In the case where not conflicting, under
Feature in the embodiment and embodiment stated can be mutually combined.
The utility model preferred embodiment provides a kind of power-supply system 10.Referring to Fig. 1, Fig. 1 is that the utility model is preferable
The structural representation for the part-structure of power-supply system 10 that embodiment provides.The power-supply system 10 includes battery modules 200 and used
In the heat-transfer device 100 that the temperature to the battery modules 200 is regulated and controled.
In the present embodiment, the battery modules 200 include battery that multilayer is formed by multiple laid out in parallel of battery core 220
Module 210.The heat-transfer device 100 includes:The cold part 110 of liquid and heat-conductive assembly 120.
In the present embodiment, the cold part 110 of the liquid is arranged between adjacent battery submodule group 210, the cold part 110 of liquid
The heat-conductive assembly 120, the heat-conductive assembly 120 and the battery are provided with towards the side of the battery submodule group 210
Submodule group 210 contacts, and the heat-conductive assembly 120 is used to carry out heat between the battery submodule group 210 and the cold part 110 of the liquid
Amount is transmitted.
In the present embodiment, the cold part 110 of the liquid may be, but not limited to,:The cold flat tube of liquid, cooled plate etc..The liquid is cold
Part 110 is used for the heat for absorbing the battery core 220, to reduce the temperature of battery modules 200.
In the present embodiment, due to space, the cold face of part 110 of liquid between battery submodule group 210 and the cold part 110 of liquid be present
The heat-conductive assembly 120 is provided with to the two sides of adjacent cell submodule group 210, to add by the heat-conductive assembly 120
Fast heat transfer.
In the present embodiment, the heat-conductive assembly 120 includes the first heat-conducting piece 122 and the second heat-conducting piece being mutually matched
124。
In the present embodiment, the cold part 110 of the liquid is towards being provided with described second on the side of the battery submodule group 210
Heat-conducting piece 124.Second heat-conducting piece 124 is towards being provided with first heat-conducting piece on the side of the battery submodule group 210
122, first heat-conducting piece 122 contacts with the battery submodule group 210.I.e. described first heat-conducting piece 122 is located at the battery
Between submodule group 210 and second heat-conducting piece 124, second heat-conducting piece 124 be located at first heat-conducting piece 122 with it is described
Between the cold part 110 of liquid.
Referring to Fig. 2, Fig. 2 is the position of the battery core 220 that the utility model preferred embodiment provides and temperature sensor 230
Structural representation.
In the present embodiment, multiple temperature sensors 230, the temperature sensor can be set in the battery modules 200
230 are arranged at the temperature for detecting the battery core 220 in battery core 220.
Referring to Fig. 3, Fig. 3 is the structural representation for the power-supply system 10 that the utility model preferred embodiment provides.
In the present embodiment, the heat-transfer device 100 also include it is at least one be used for regulate and control second heat-conducting piece 124 with
The sliding adjusting device 130 of the contact area of first heat-conducting piece 122.
In the present embodiment, the sliding adjusting device 130 is connected with second heat-conducting piece 124, adjacent when detecting
When the temperature difference of two layers of battery submodule group 210 is more than predetermined threshold value, the sliding adjusting device 130 controls second heat-conducting piece
124 slide relative to first heat-conducting piece 122, to adjust between second heat-conducting piece 124 and first heat-conducting piece 122
Contact area, and then regulate and control the temperature difference of the adjacent two layers battery submodule group 210.
Referring to Fig. 4, the sliding adjusting device 130 shown in Fig. 3 that Fig. 4 provides for the utility model preferred embodiment is in I
The partial enlarged drawing in portion.The sliding adjusting device 130 includes:Slip joint 132 and regulating and controlling mechanism 134.
In the present embodiment, one end of the slip joint 132 is connected with the regulating and controlling mechanism 134, and the sliding connects
The other end of fitting 132 is fixedly connected with second heat-conducting piece 124, and the regulating and controlling mechanism 134 is by controlling the sliding to connect
Fitting 132 makes second heat-conducting piece 124 be slided relative to first heat-conducting piece 122.
In the present embodiment, the regulating and controlling mechanism 134 can control the slip joint 132 relative to the regulating and controlling mechanism
134 movements, and then the slip joint 132 can drive second heat-conducting piece 124 to be slided relative to first heat-conducting piece 122
It is dynamic.
In the present embodiment, the mode that the slip joint 132 is fixedly connected with second heat-conducting piece 124 can be with
It is, but is not limited to:Welding.
In the present embodiment, the regulating and controlling mechanism 134 controls control mode that the slip joint 132 moves can be with
It is, but is not limited to:Electromagnetic Control.
Referring to Fig. 5, sliding adjusting device 130, control device 140 that Fig. 5, which is the utility model preferred embodiment, to be provided
And the connection diagram of temperature sensor 230.The heat-transfer device 100 also includes control device 140.
In the present embodiment, the control device 140 is electrically connected with multiple temperature sensors 230, is obtained the multiple
The battery core temperature for multiple battery cores 220 that temperature sensor 230 detects, and the battery core temperature of acquisition is handled.
In the present embodiment, the control device 140 with it is at least one sliding adjusting device 130 electrically and/or communication link
Connect, to control the sliding adjusting device 130 to the contact between second heat-conducting piece 124 and first heat-conducting piece 122
Area is adjusted.
In the present embodiment, the control device 140 can be to several battery cores in every layer of battery submodule group 210 of acquisition
220 battery core temperature carries out mean value calculation processing, to obtain every layer of 210 each self-corresponding temperature of battery submodule group, the control
Control equipment 140 can detect the temperature difference of adjacent two layers battery submodule group 210.When the control device 140 detects described adjacent two
When the temperature difference of layer battery submodule group 210 is more than predetermined threshold value, the control device 140 issues regulation and control instruction to the regulating and controlling mechanism
134.The regulating and controlling mechanism 134 controls the slip joint 132 to move, and the slip joint 132 drives described second to lead
Warmware 124 slides relative to first heat-conducting piece 122, so as to adjust second heat-conducting piece 124 and first heat-conducting piece
Contact area between 122, and then regulate and control the temperature difference of the adjacent two layers battery submodule group 210.
In the present embodiment, the contact area of second heat-conducting piece 124 and first heat-conducting piece 122 is bigger, heat
Transmission effect is better.For example, when second heat-conducting piece 124 and first heat-conducting piece 122 completely attach to, heat transfer effect
Fruit is best, and the cold part 110 of liquid can quickly absorb the heat of battery core 220, the quick temperature for reducing battery submodule group 210.Thus,
, can be to adjacent two layers electricity by adjusting the contact area between second heat-conducting piece 124 and first heat-conducting piece 122
The temperature difference of pond module 210 is regulated and controled.
In a kind of embodiment that embodiment provides, the heat-conducting piece 124 of the first heat-conducting piece 122 and second can be distinguished
It is made of different materials, so that the thermal conductivity factor of first heat-conducting piece 122 is more than the heat conduction of second heat-conducting piece 124
Coefficient, the coefficient of expansion of first heat-conducting piece 122 are more than the coefficient of expansion of second heat-conducting piece 124.When battery
When the temperature of module 210 is too high, first heat-conducting piece 122 heat absorption contacted with the battery submodule group 210 expands, and described first
The thickness increase of heat-conducting piece 122 reduces the entire thermal resistance between the cold part 110 of the liquid and the battery submodule group 210, so as to accelerate
Heat conducts, and reduces the temperature of the battery submodule group 210.
Fig. 6, Fig. 7 and Fig. 8 are referred to, Fig. 6 is the structural representation for the cold part 110 of liquid that the utility model preferred embodiment provides
Figure, Fig. 7 be the utility model preferred embodiment provide the first heat-conducting piece 122 structural representation, Fig. 8 be the utility model compared with
The structural representation for the second heat-conducting piece 124 that good embodiment provides.
In the present embodiment, the cold part 110 of the liquid is arranged to undulate structure, can effectively increase the cold part 110 of liquid and electricity
The contact area of pond module 200, improve radiating efficiency.
In the present embodiment, the shape and structure set according to the cold part 110 of the liquid, first heat-conducting piece 122 and second
Heat-conducting piece 124 may be configured as waveform platy structure, to increase first heat-conducting piece 122 and the battery submodule group 210
Contact area, and the contact area of increase second heat-conducting piece 124 and the cold part 110 of the liquid.
The utility model preferred embodiment also provides a kind of automobile, and the automobile includes engine and above-mentioned power-supply system
10.The power-supply system 10 is electrically connected with engine, and the power-supply system 10 provides electric energy to the engine, described to start
Machine converts electrical energy into mechanical energy and drives the motor racing.
In summary, the utility model preferred embodiment provides a kind of power-supply system and automobile.The power-supply system includes
Battery modules and the heat-transfer device for being regulated and controled to the temperature of the battery modules.The battery modules include multilayer by more
The battery submodule group that individual battery core laid out in parallel is formed.The heat-transfer device includes:The cold part of liquid and heat-conductive assembly.The cold part of liquid is set
Put between adjacent battery submodule group, the cold part of liquid is towards being provided with the heat conduction group on the side of the battery submodule group
Part, the heat-conductive assembly and the sub- module contact of the battery, the heat-conductive assembly are used in the battery submodule group and the liquid
Heat transfer is carried out between cold part.
Thus, by setting heat-transfer device, the temperature difference between multiple battery cores in battery modules can be carried out effective
Control, it can effectively extend the service life of battery modules.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.