CN206697539U - Battery outer device and power supply unit - Google Patents
Battery outer device and power supply unit Download PDFInfo
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- CN206697539U CN206697539U CN201720547160.7U CN201720547160U CN206697539U CN 206697539 U CN206697539 U CN 206697539U CN 201720547160 U CN201720547160 U CN 201720547160U CN 206697539 U CN206697539 U CN 206697539U
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- temperature
- outer device
- battery outer
- accommodating cavity
- battery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides a kind of battery outer device and power supply unit.The battery outer device includes：Be provided with airtight chamber and for set battery module accommodating cavity housing, for the temperature in accommodating cavity body and the environment temperature outside housing are monitored temperature monitoring unit, connect with airtight chamber to carry out the power unit of air extraction or air injection to airtight chamber, and for controlling the processing and control element (PCE) of power unit working condition；Processing and control element (PCE) is electrically connected with temperature monitoring unit, power unit, to carry out air extraction or air injection according to the temperature in accommodating cavity body and the control power unit of the environment temperature outside housing, the temperature in accommodating cavity body is ensured battery modules normal operation.The heat exchange that the battery outer device can be carried out or completely cut off inside and outside battery outer device in very short time, it is ensured that battery modules normal operation, improve electric energy output stationarity, reliability and the service life of battery modules.
Description
Technical field
Battery thermal management technical field is the utility model is related to, in particular to a kind of battery outer device and power supply
Equipment.
Background technology
With the fast development of electronic technology, the use of pure electric or hybrid automobile is increasingly popularized, it is pure electronic or
Requirement of the hybrid vehicle to battery system also constantly improves, and pure electric or hybrid automobile needs battery system can
Suitable and stable electric energy is provided for pure electric or hybrid automobile, pure electric or hybrid automobile is normally transported
OK, corresponding performance has been given play to.But for battery system, even there is many technical problems to need to solve, wherein, electricity
The problem of service life and capacity fade problem of battery modules in cell system are one important.
The service life and capacity attenuation of battery modules and the temperature difference and temperature of battery cell in battery modules raise
Amplitude close relation.Generally, battery cell can produce substantial amounts of heat during discharge and recharge is carried out, if the heat is not
It can in time be discharged, the temperature made in battery cell is constantly risen, the temperature difference for causing it internal gradually increases.It is and electric
Change of the pond monomer to temperature is very sensitive, the environment of temperature and the battery cell work constantly risen inside battery cell
The change of temperature will be such that battery cell is in the working environment of the larger temperature difference, influence the service life of battery cell.Especially
It is that surface temperature is very high in the summer of sweltering heat, the work of the battery cell on close ground in pure electric or hybrid automobile
Temperature will be far longer than the operating temperature of the battery cell away from ground so that the temperature difference in battery system at diverse location becomes
Change is exceedingly fast, and then has a strong impact on the service life and battery capacity of battery, while also the discharge performance of battery can be caused larger
Interference, it is difficult to meet necessary charge-discharge power demand.
For now, the processing scheme on the market to the battery modules in the above situation is by being carried out to battery modules
Natural cooling or mandatory air-cooled mode improve the service life of battery modules.But time-consuming, effect for this processing mode
Difference, electric energy output stationarity is not high, security reliability is poor, can not effectively improve the service life and capacity attenuation of battery modules
Problem.
Utility model content
In order to overcome above-mentioned deficiency of the prior art, the purpose of this utility model is to provide a kind of battery outer device
And power supply unit.The battery outer device and power supply unit can within the extremely short time according to battery outer device inside and outside
The heat exchange that temperature gap is carried out or completely cut off inside and outside battery outer device, it is ensured that the battery modules in battery outer device can be just
Often operation, the electric energy output stationarity that improves battery modules in the prior art is not high, security reliability is poor, service life and capacity
Attenuation problem.
For battery outer device, the utility model preferred embodiment provides a kind of battery outer device.The electricity
Pond storage device includes housing, and airtight chamber and the accommodating cavity for set battery module are provided with the housing；
The battery outer device also includes being used for outside to the temperature in the accommodating cavity body and the battery outer device
Environment temperature be monitored temperature monitoring unit, connect with airtight chamber for carrying out air extraction to the airtight chamber
Or the power unit of air injection and the processing and control element (PCE) of the working condition for controlling the power unit；
The processing and control element (PCE) is electrically connected with the temperature monitoring unit, the power unit, with according to the temperature
The temperature in accommodating cavity body and the environment temperature outside battery outer device that degree monitoring unit monitors, control the power unit
Air extraction or air injection are carried out to the airtight chamber, the temperature in the accommodating cavity body is can ensure that the battery modules
Normal operation.
In the utility model preferred embodiment, said temperature monitoring unit includes at least one first temperature sensor
And at least one second temperature sensor；
First temperature sensor is arranged on outside the housing, to enter to the environment temperature outside the battery outer device
Row monitoring；
The second temperature sensor is arranged in the accommodating cavity body, to be supervised to the temperature in the accommodating cavity body
Survey.
In the utility model preferred embodiment, above-mentioned processing and control element (PCE) is outside the battery outer device received
When the temperature gap between temperature in environment temperature and accommodating cavity body is more than the first fiducial temperature threshold value, the power list is controlled
Member extracts the air in the airtight chamber, to completely cut off the accommodating cavity and extraneous heat exchange；
Environment temperature of the processing and control element (PCE) outside the battery outer device received and the temperature in accommodating cavity body
Between temperature gap when being less than the second fiducial temperature threshold value, control the power unit to inject sky into the airtight chamber
Gas, to be radiated to the battery modules in accommodating cavity body.
In the utility model preferred embodiment, above-mentioned power unit includes air pump and air stream siphunculus, the sky
One end of air-flow siphunculus connects with the airtight chamber, and the other end of the air stream siphunculus connects with the air pump, described
Power unit carries out air extraction to the airtight chamber by the air pump and the air stream siphunculus or air injects.
In the utility model preferred embodiment, above-mentioned housing include be provided with containing groove the first cell body and with institute
The cover plate of the first cell body matching is stated, the cover plate is covered on first cell body, to form the accommodating cavity.
In the utility model preferred embodiment, above-mentioned housing also includes the second cell body for being provided with vent grooves, institute
State the second cell body to be mutually matched with first cell body, the side wall of first cell body away from the containing groove is led to towards described
Gas groove, first cell body are fixed by way of welding with second cell body, to form the airtight chamber.
In the utility model preferred embodiment, multiple dividing plates, the airtight chamber are provided with above-mentioned airtight chamber
Isolate to form roundabout air communication channel by multiple dividing plates.
In the utility model preferred embodiment, multiple aforementioned barriers are arranged in the vent grooves, and with it is described
Second cell body is integrally formed.
In the utility model preferred embodiment, above-mentioned first cell body, second cell body and the cover plate use
Aluminium alloy is fabricated.
For power supply unit, the utility model preferred embodiment provides a kind of power supply unit.The power supply unit bag
Multiple battery modules and above-mentioned battery outer device are included, multiple battery modules are arranged on the appearance of the battery outer device
Put in cavity, to form the power supply unit.
In terms of existing technologies, the battery outer device and power supply unit that the utility model preferred embodiment provides
Have the advantages that：The battery outer device and power supply unit can be within the extremely short times according to battery outer device
The heat exchange that inside and outside temperature gap is carried out or completely cut off inside and outside battery outer device, it is ensured that the battery mould in battery outer device
Group can normal operation, improve in the prior art battery modules electric energy output stationarity it is not high, security reliability is poor, service life
And capacity fade problem.Specifically, the battery outer device is housed by the accommodating cavity in housing to battery modules；
The battery outer device is by temperature monitoring unit to the temperature in accommodating cavity body and the environment temperature outside battery outer device
It is monitored；The battery outer device with the power unit that the airtight chamber in housing connects to the airtight chamber by entering
Row air extracts or air injection；The battery outer device passes through the place with temperature monitoring unit, power unit electric connection
Control unit is managed, power unit is controlled to described close according to the temperature in accommodating cavity body and the environment temperature outside battery outer device
Closed chamber room carries out air extraction or air injection, so as to the heat for carrying out or completely cutting off inside and outside battery outer device within the extremely short time
Amount exchanges, and the temperature in the accommodating cavity body is can ensure that the battery modules normal operation in battery outer device, improves existing
The electric energy output stationarity of battery modules is not high in technology, security reliability is poor, service life and capacity fade problem.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, the utility model cited below particularly compared with
Good embodiment, and accompanying drawing appended by cooperation, are described in detail below.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to claims as, for those of ordinary skill in the art, do not pay creative work
On the premise of, other related accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of assembling schematic diagram for the battery outer device that the utility model preferred embodiment provides.
Fig. 2 is a kind of structural representation of the battery outer device shown in Fig. 1 that the utility model preferred embodiment provides
Figure.
Fig. 3 is a kind of block diagram for the members that the battery outer device shown in Fig. 2 includes.
Fig. 4 is a kind of structural representation of the second cell body shown in Fig. 2.
Fig. 5 is another assembling schematic diagram for the battery outer device that the utility model preferred embodiment provides.
Fig. 6 is a kind of structural representation of the battery outer device shown in Fig. 5 that the utility model preferred embodiment provides
Figure.
Fig. 7 is a kind of structural representation of the second cell body shown in Fig. 6.
Icon：100- battery outer devices；110- housings；120- temperature monitoring units；130- power units；140- processing
Control unit；111- cover plates；The cell bodies of 112- first；The cell bodies of 113- second；The temperature sensors of 121- first；122- second temperatures pass
Sensor；131- air pumps；132- air stream siphunculus；114- dividing plates.
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, the orientation or position relationship of the instruction such as term " interior ", " outer " in description of the present utility model
For based on orientation shown in the drawings or position relationship, or the utility model product using when the orientation or position usually put
Relation, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.This
Outside, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
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.
Incorporated by reference to referring to Figures 1 and 2, Fig. 1 is the battery outer device 100 that the utility model preferred embodiment provides
A kind of assembling schematic diagram, Fig. 2 are one of the battery outer device 100 shown in Fig. 1 that the utility model preferred embodiment provides
Kind structural representation.In the utility model embodiment, the battery outer device 100 is used to store battery modules,
And carry out or completely cut off in battery outer device 100 according to the temperature gap inside and outside battery outer device 100 within the extremely short time
Outer heat exchange, it is ensured that the battery modules energy normal operation in battery outer device 100, improve battery modules in the prior art
Electric energy output stationarity it is not high, security reliability is poor, service life and capacity fade problem.Specifically, in the present embodiment,
The battery outer device 100 includes housing 110, temperature monitoring unit 120, power unit 130 and processing and control element (PCE) 140.
Airtight chamber and accommodating cavity are provided with the housing 110, the accommodating cavity is used for set battery module, the closed chamber
Room is arranged on around the accommodating cell body, and the housing 110 is realized by the accommodating cavity and battery modules are housed.It is described
Temperature monitoring unit 120 is used to enter the temperature in the accommodating cavity body and the environment temperature outside the battery outer device 100
Row monitoring, the power unit 130 are connected with the airtight chamber to carry out air extraction or air note to the airtight chamber
Enter, the temperature that the processing and control element (PCE) 140 is used in the accommodating cavity body that is monitored according to the temperature monitoring unit 120
And the environment temperature outside the battery outer device 100, control the power unit 130 to carry out air to the airtight chamber and take out
Take or air injects, with the heat exchange for carrying out or completely cutting off inside and outside battery outer device 100, make the temperature in the accommodating cavity body
Can ensure that the battery modules normal operation, so as to improve improve in the prior art battery modules electric energy output stationarity not
It is high, security reliability is poor, service life and capacity fade problem.
In the present embodiment, the temperature monitoring unit 120 includes being used for the environment outside the battery outer device 100
The first temperature sensor 121 and the second temperature for being monitored to the temperature in the accommodating cavity body that temperature is monitored
Sensor 122.Specifically, first temperature sensor 121 is arranged on outside the housing 110, to be filled to the battery outer
The environment temperature put outside 100 is monitored；The second temperature sensor 122 is arranged in the accommodating cavity body, with to described
Temperature in accommodating cavity body is monitored.
In the present embodiment, first temperature sensor 121 can be arranged in the side wall in the outside of housing 110,
The opening position for being equipped with the pure electric or hybrid automobile of the battery outer device 100 close to bottom surface can also be arranged on,
The specific set location of first temperature sensor 121 can carry out different settings according to demand；The second temperature sensing
Device 122 can be arranged in the side wall of the accommodating cavity, can also be arranged on the battery mould being contained in the accommodating cavity body
In group, the specific set location of the second temperature sensor 122 can carry out different settings according to demand.
In the present embodiment, the number of first temperature sensor 121 is at least one, the second temperature sensor
122 number is at least one, with to the environment temperature outside the battery outer device 100 and the temperature in the accommodating cavity body
Precision is carried out higher to monitor.
In the present embodiment, the temperature monitoring unit 120 can be battery management system (Battery Management
System, BMS) in be used for the members that are monitored to temperature.
Fig. 3 is refer to, is a kind of block diagram for the members that the battery outer device 100 shown in Fig. 2 includes.
In the present embodiment, the processing and control element (PCE) 140 is electrically connected with the temperature monitoring unit 120, the power unit 130,
With the environment temperature outside the battery outer device 100 that is received according to the processing and control element (PCE) 140 and the temperature in accommodating cavity body
Temperature gap between degree, control the power unit 130 to be injected to carrying out air extraction or air in the airtight chamber, enter
Heat exchange inside and outside row or isolation battery outer device 100, makes the temperature in the accommodating cavity body can ensure that the battery mould
Group normal operation.
Specifically, the processing and control element (PCE) 140 is in the institute for receiving at least one first temperature sensor 121 and monitoring
When stating the environment temperature outside battery outer device 100, mean value calculation is carried out at least one ambient temperature information, obtained correspondingly
Environment temperature average value；The processing and control element (PCE) 140 is receiving what at least one second temperature sensor 122 monitored
During temperature in the accommodating cavity body, mean value calculation is carried out to the temperature information at least one accommodating cavity body, obtained correspondingly
Accommodating cavity body in temperature averages.The processing and control element (PCE) 140 environment temperature average value and correspondingly corresponding to obtain
Accommodating cavity body in temperature averages after, the environment temperature average value and the temperature averages in the accommodating cavity body are entered
Row additive operation, obtain the temperature between the temperature in the environment temperature and accommodating cavity body outside corresponding battery outer device 100
Difference.
The processing and control element (PCE) 140 by the temperature gap and be stored in the processing and control element (PCE) 140 first
Fiducial temperature threshold value and the second fiducial temperature threshold value are compared.When the temperature gap is more than the first fiducial temperature threshold value
When, show the temperature that the environment temperature outside the battery outer device 100 is far longer than in the accommodating cavity body, the processing control
Unit 140 processed will control the power unit 130 to extract the air in the airtight chamber, with completely cut off the accommodating cavity with it is outer
The heat exchange on boundary.Such as the summer in sweltering heat, surface temperature is very high, the ring outside the corresponding battery outer device 100
The temperature that border temperature will be far longer than in the accommodating cavity body, preset when the temperature in environment temperature and accommodating cavity body is more than first
During threshold value, the processing and control element (PCE) 140 will automatically control the power unit 130 to extract the sky in the airtight chamber
Gas, completely cut off the accommodating cavity and extraneous heat exchange, to ensure the battery modules energy normal operation in the accommodating cavity body.
When the temperature gap is less than the second fiducial temperature threshold value, show outside the battery outer device 100
Environment temperature is far smaller than the temperature in the accommodating cavity body, and the battery modules in the accommodating cavity body need to radiate, the place
Reason control unit 140 will control the power unit 130 to inject air into the airtight chamber, with to the electricity in accommodating cavity body
Pond module is radiated.
When the model that the temperature gap is between the second fiducial temperature threshold value and the first fiducial temperature threshold value
When enclosing interior, show battery modules in the accommodating cavity body can normal operation, user of service's root of the battery outer device 100
According to different demands the power unit 130 can be controlled to described closed by way of controlling the processing and control element (PCE) 140
Chamber carries out air extraction or air injection.Such as the winter in cold, the temperature on ground is very low, to ensure the accommodating cavity
The temperature of internal battery modules is maintained at a relatively stable state, and the user of service of the battery outer device 100 can
By control process control unit 140, the power unit 130 is set to carry out air extraction to the airtight chamber, to completely cut off
State accommodating cavity and extraneous heat exchange.
In the present embodiment, the first fiducial temperature threshold value can be received with the second fiducial temperature threshold value by the battery
Receive the user of service of device 100 or manufacturer carries out different settings according to demand.
In the present embodiment, the processing and control element (PCE) 140 includes a memory, and the processing and control element (PCE) 140 can lead to
The memory is crossed to store the first fiducial temperature threshold value and the second fiducial temperature threshold value, and receive by
The environment temperature and second temperature sensing outside the battery outer device 100 that first temperature sensor 121 is sent
Device 122 send the accommodating cavity body in temperature when, in the ambient temperature information and the accommodating cavity body temperature believe
Breath is stored.In the present embodiment, the memory may be, but not limited to, random access memory, read-only storage,
Programmable read only memory, erasable read-only memory, electricallyerasable ROM (EEROM) etc..
Referring once again to Fig. 2, in the present embodiment, the power unit 130 includes air pump 131 and air stream siphunculus
132, one end of the air stream siphunculus 132 connects with the airtight chamber, the other end of the air stream siphunculus 132 with it is described
Air pump 131 connects, and the power unit 130 is by the air pump 131 and the air stream siphunculus 132 to the closed chamber
Room carries out air extraction or air injection.
In the present embodiment, the air pump 131 can be arranged in the accommodating cavity body, can also be arranged on the shell
Outside body 110.When the air pump 131 is arranged in the accommodating cavity body, the air stream siphunculus 132 is arranged on described accommodating
In cavity, to connect the air pump 131 and the airtight chamber；When the air pump 131 is arranged on outside the housing 110
When, the air stream siphunculus 132 can be both arranged in the accommodating cavity body, can also be arranged on outside the housing 110.At this
In a kind of embodiment of embodiment, the air pump 131 is preferably provided in outside the housing 110, the air stream siphunculus
132 are arranged on outside the housing 110, to ensure that the sealing grade of the battery outer device 100 can be not less than IP67 grades.
Wherein, the air pump 131 is electric air pump.
In the present embodiment, the housing 110 include be provided with containing groove the first cell body 112 and with first groove
The cover plate 111 that body 112 matches, the battery modules are arranged in the containing groove, and the cover plate 111 is towards described accommodating recessed
Groove, and cover on first cell body 112, to form the accommodating cavity, and realize and battery modules are housed.In this reality
In a kind of embodiment for applying example, the cover plate 111 is covered when on first cell body 112, can pass through adhesion or welding
Mode is fixed with first cell body 112, to ensure that the cover plate 111 coordinates the accommodating cavity of the formation of the first cell body 112
Sealing grade be not less than IP67 grades.
In the present embodiment, the housing 110 also includes the second cell body 113 for being provided with vent grooves, first groove
Body 112 is mutually matched with second cell body 113, and side wall of first cell body 112 away from the containing groove is described in
Vent grooves, first cell body 112 are fixed by way of welding with second cell body 113, to form the closed chamber
Room, wherein, the sealing grade of the airtight chamber can be not less than IP67 grades.
Fig. 4 is refer to, is for a kind of structural representation of the second cell body 113 shown in Fig. 2.In the present embodiment, institute
State and multiple dividing plates 114 are may be provided with airtight chamber, the airtight chamber is circuitous by multiple mutually isolated formation of dividing plates 114
The air communication channel returned, so that air is circulated.Specifically, multiple dividing plates 114 are arranged on second cell body 113
Vent grooves in.In the present embodiment, the air stream siphunculus 132 connects one end of the airtight chamber and the air stream
Circulation passage connects, to realize that the power unit 130 extracts to the air of the airtight chamber or air injects.
In the present embodiment, multiple dividing plates 114 can pass through integrally formed mode system with second cell body 113
Make after forming or manufacturing respectively by modes such as welding, adhesions so that multiple dividing plates 114 are fixedly installed on institute
In the vent grooves for stating the second cell body 113.In an embodiment of the present embodiment, multiple dividing plates 114 and described the
Two cell bodies 113 are fabricated by integrally formed mode.
In the present embodiment, first cell body 112, second cell body 113 and the cover plate 111 use aluminium alloy
It is fabricated, in order to coordinate the cover plate 111 battery modules in the accommodating cavity body of the formation of first cell body 112 to carry out
Radiating.
Incorporated by reference to reference picture 5, Fig. 6 and Fig. 7, wherein, Fig. 5 is the battery outer that the utility model preferred embodiment provides
Another assembling schematic diagram of device 100, Fig. 6 are the battery outers shown in Fig. 5 that the utility model preferred embodiment provides
A kind of structural representation of device 100, Fig. 7 are a kind of structural representations of the second cell body 113 shown in Fig. 6.In this implementation
In example, the airtight chamber can not completely be surrounded to the accommodating cavity, and the airtight chamber can be with described first
Cell body 112 contacts towards at least one side wall of the vent grooves.It is described closed in an embodiment of the present embodiment
Chamber preferably contacts with the side wall away from the cover plate 111 on first cell body 112, so that second cell body 113 exists
It is in pure electric or hybrid automobile close to the position of bottom surface.Specifically, second cell body 113 and first cell body
The side wall away from the cover plate 111 is mutually matched on 112, the side wall direction away from the cover plate 111 on first cell body 112
Vent grooves on second cell body 113, and fixed by way of welding with second cell body 113, to be formed away from
The airtight chamber of the cover plate 111.
In the utility model, the utility model preferred embodiment also provides a kind of power supply unit, the power supply unit
Applied to pure electric or hybrid automobile.The power supply unit includes multiple battery modules and above-mentioned battery outer device
100, multiple battery modules are arranged in the accommodating cavity body of the battery outer device 100, to form the power supply unit.
Specifically, multiple battery modules are arranged in the containing groove of first cell body 112.
In summary, it is described in the battery outer device and power supply unit that the utility model preferred embodiment provides
Battery outer device and power supply unit can be carried out within the extremely short time according to the temperature gap inside and outside battery outer device or
The heat exchange completely cut off inside and outside battery outer device, it is ensured that the battery modules energy normal operation in battery outer device, improve existing
Have that the electric energy output stationarity of battery modules in technology is not high, security reliability is poor, service life and capacity fade problem.Specifically
Ground, the battery outer device are housed by the accommodating cavity in housing to battery modules；The battery outer device leads to
Excess temperature monitoring unit is monitored to the temperature in accommodating cavity body and the environment temperature outside battery outer device；The battery is received
Device is received by carrying out air extraction or air note to the airtight chamber with the power unit that the airtight chamber in housing connects
Enter；The battery outer device is by the processing and control element (PCE) with temperature monitoring unit, power unit electric connection, according to accommodating
Environment temperature control power unit outside temperature and battery outer device in cavity carries out air extraction to the airtight chamber
Or air injection, so as to the heat exchange for carrying out or completely cutting off inside and outside battery outer device within the extremely short time, make described accommodating
Temperature in cavity can ensure that the battery modules normal operation in battery outer device, improve the electricity of battery modules in the prior art
It can export that stationarity is not high, security reliability is poor, service life and capacity fade problem.
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.
Claims (10)
1. a kind of battery outer device, it is characterised in that the battery outer device includes housing, is provided with the housing close
Closed chamber room and the accommodating cavity for set battery module；
The battery outer device also includes being used for the temperature in the accommodating cavity body and the ring outside the battery outer device
Temperature monitoring unit that border temperature is monitored, connect for carrying out air extraction or sky to the airtight chamber with airtight chamber
The power unit of gas injection and the processing and control element (PCE) of the working condition for controlling the power unit；
The processing and control element (PCE) is electrically connected with the temperature monitoring unit, the power unit, to be supervised according to the temperature
The temperature and the environment temperature outside battery outer device surveyed in the accommodating cavity body that unit monitors, control the power unit to institute
State airtight chamber and carry out air extraction or air injection, the temperature in the accommodating cavity body is can ensure that the battery modules are normal
Operation.
2. battery outer device according to claim 1, it is characterised in that the temperature monitoring unit includes at least one
First temperature sensor and at least one second temperature sensor；
First temperature sensor is arranged on outside the housing, to be supervised to the environment temperature outside the battery outer device
Survey；
The second temperature sensor is arranged in the accommodating cavity body, to be monitored to the temperature in the accommodating cavity body.
3. battery outer device according to claim 1, it is characterised in that the processing and control element (PCE) is in the electricity received
When the temperature gap between the temperature in environment temperature and accommodating cavity body outside the storage device of pond is more than the first fiducial temperature threshold value,
The power unit is controlled to extract the air in the airtight chamber, to completely cut off the accommodating cavity and extraneous heat exchange；
Between temperature of the processing and control element (PCE) in the environment temperature and accommodating cavity body outside the battery outer device received
Temperature gap when being less than the second fiducial temperature threshold value, control the power unit to inject air into the airtight chamber, with
Battery modules in accommodating cavity body are radiated.
4. battery outer device according to claim 1, it is characterised in that the power unit includes air pump and air
Runner pipe, one end of the air stream siphunculus connect with the airtight chamber, the other end and the sky of the air stream siphunculus
Air pump connects, and the power unit carries out air extraction by the air pump and the air stream siphunculus to the airtight chamber
Or air injection.
5. battery outer device according to claim 1, it is characterised in that the housing includes being provided with containing groove
First cell body and the cover plate matched with first cell body, the cover plate are covered on first cell body, to form the appearance
Put cavity.
6. battery outer device according to claim 5, it is characterised in that the housing also includes being provided with vent grooves
The second cell body, second cell body is mutually matched with first cell body, and first cell body is away from the containing groove
Side wall is towards the vent grooves, and first cell body is fixed by way of welding with second cell body, with described in formation
Airtight chamber.
7. battery outer device according to claim 6, it is characterised in that be provided with the airtight chamber it is multiple every
Plate, the airtight chamber isolate to form roundabout air communication channel by multiple dividing plates.
8. battery outer device according to claim 7, it is characterised in that it is recessed that multiple dividing plates are arranged on the ventilation
In groove, and it is integrally formed with second cell body.
9. battery outer device according to claim 6, it is characterised in that first cell body, second cell body and
The cover plate is fabricated using aluminium alloy.
10. a kind of power supply unit, it is characterised in that the power supply unit includes appointing in multiple battery modules and claim 1-9
Battery outer device described in meaning one, multiple battery modules are arranged in the accommodating cavity body of the battery outer device,
To form the power supply unit.
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| CN201720547160.7U CN206697539U (en) | 2017-05-16 | 2017-05-16 | Battery outer device and power supply unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960929A (en) * | 2017-05-16 | 2017-07-18 | 华霆（合肥）动力技术有限公司 | Battery outer device and power supply unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960929A (en) * | 2017-05-16 | 2017-07-18 | 华霆（合肥）动力技术有限公司 | Battery outer device and power supply unit |
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Address after: 230601 Anhui Hefei economic and Technological Development Zone, Xin Xin Road, No. 62 power battery factory Patentee after: Huating (Hefei) Power Technology Co., Ltd. Address before: 230601 No. 26, No. 5, Tsing Luen Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Huating (Hefei) Power Technology Co., Ltd. |