CN208352478U - Battery pack and battery pack assembly - Google Patents
Battery pack and battery pack assembly Download PDFInfo
- Publication number
- CN208352478U CN208352478U CN201820305335.8U CN201820305335U CN208352478U CN 208352478 U CN208352478 U CN 208352478U CN 201820305335 U CN201820305335 U CN 201820305335U CN 208352478 U CN208352478 U CN 208352478U
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- battery pack
- detection module
- water inlet
- water
- module
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 106
- 239000007788 liquid Substances 0.000 claims abstract description 90
- 238000001514 detection method Methods 0.000 claims abstract description 48
- 239000002826 coolant Substances 0.000 claims abstract description 47
- 238000001816 cooling Methods 0.000 claims description 19
- 238000004378 air conditioning Methods 0.000 claims description 5
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003831 deregulation Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
-
- 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
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- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model relates to the technical fields of electric automobile power battery system, more particularly, to battery pack and battery pack assembly.The battery pack includes: lower casing ontology, liquid cooled module, first detection module, the second detection module, control unit and the executive device for adjusting liquid cooling medium temperature and flow velocity；Water inlet is connected to by water inlet line with liquid cooled module, and water outlet is connected to by outlet conduit with liquid cooled module；First detection module is arranged in water inlet, for detecting the flow velocity and temperature of water inlet liquid cooling medium；Second detection module is arranged in water outlet, for detecting the flow velocity and temperature of water outlet liquid cooling medium；First detection module and the parallel connection of the second detection module are simultaneously successively electrically connected with control unit and executive device.The battery pack solves the temperature of liquid cooling medium and flow velocity and can not be adjusted with ambient temperature difference, the inconsistent technical problem of the heat dissipation capacity of the calorific value and battery pack that make battery core.
Description
Technical field
The utility model relates to the technical fields of electric automobile power battery system, more particularly, to battery pack and battery pack
Component.
Background technique
Battery pack is the critical component of electric car as the main energy-storage travelling wave tube for being mounted with battery pack on electric car,
Directly influence the performance and safety of electric car.Wherein, the heat management of battery pack has the performance of battery pack, service life important
It influences.For guarantee electric vehicle can under circumstances safety and normally work, battery pack usually require by liquid cooling medium into
Row cooling, wherein the heat dissipation capacity of battery pack and the flow velocity of liquid cooling medium are related with temperature.
But the temperature of the liquid cooling medium in existing battery pack can not be adjusted with flow velocity with ambient temperature difference
Section, the heat dissipation capacity of the calorific value and battery pack that make battery core is inconsistent, to make power battery in low temperature environment or hot environment item
Charge-discharge performance under part is lower.
Utility model content
The purpose of this utility model is to provide a kind of battery packs, to alleviate the temperature and stream of the liquid cooling medium in battery pack
Speed can not be adjusted with ambient temperature difference, the inconsistent technology of the heat dissipation capacity of the calorific value and battery pack that make battery core
Problem.
Battery pack provided by the utility model, comprising: lower casing ontology, liquid cooled module, first detection module, the second detection mould
Block, control unit and the executive device for adjusting liquid cooling medium temperature and flow velocity；
The liquid cooled module, detection module and control unit are arranged at the lower casing body interior；
Water outlet and water inlet are equipped in the side wall of the lower casing ontology；The water inlet passes through water inlet line and the liquid
The connection of cold module, the water outlet are connected to by outlet conduit with the liquid cooled module, so that described in liquid cooling medium flows successively through
Water inlet, liquid cooled module and water outlet realize cooling；
The first detection module is arranged in the water inlet, for detecting the flow velocity of the water inlet liquid cooling medium
And temperature；Second detection module is arranged in the water outlet, for detecting the flow velocity of the water outlet liquid cooling medium
And temperature；
The first detection module and the parallel connection of the second detection module are simultaneously successively electrically connected with described control unit and executive device
It connects.
Further, the first detection module includes the first temperature sensor and first flow sensor；
The water inlet is connected to the water inlet line by first interface, first temperature sensor and first flow
Sensor is embedded in the first interface.
Further, second detection module includes second temperature sensor and second flow sensor；
The water outlet is connected to the outlet conduit by second interface, the second temperature sensor and second flow
Sensor is embedded in the second interface.
Further, the executive device includes for reducing the air conditioning apparatus of liquid cooling medium temperature, for improving liquid cooling
The heater of medium temperature and water pump for adjusting liquid cooling medium flow velocity.
Further, described control unit include main control module and from control module；
The first detection module and the second detection module are in parallel and successively with described from controlling module, main control module and execution
Device electrical connection.
Further, the liquid cooled module includes multiple water-cooled plates；
The water inlet branch of multiple water-cooled plates is connected to the water inlet line respectively, the water outlet branch of multiple water-cooled plates
Road is connected to the outlet conduit respectively.
Further, the liquid cooled module includes multiple concatenated water-cooled plates.
Further, the liquid cooled module includes multiple water-cooled plates, multiple water cooling plate serioparallel mixed connections.
Further, the ipsilateral of the lower casing ontology is arranged in the water inlet and the water outlet.
Compared with prior art, the utility model has the advantages that
Battery pack provided by the utility model is equipped with water outlet and water inlet, water inlet by the side wall in lower casing ontology
It is connected to by water inlet line with liquid cooled module, water outlet is connected to by outlet conduit with liquid cooled module, forms access, liquid cooling is made to be situated between
Matter flows successively through the water inlet, liquid cooled module and water outlet, realizes cooling purpose, is basically unchanged power battery in temperature
In the environment of work；By being equipped with first detection module in water inlet, the flow velocity and temperature of water inlet liquid cooling medium are detected, is led to
It crosses and is equipped with the second detection module in water outlet, detect the flow velocity and temperature of water outlet liquid cooling medium, and respectively feed back signal
To control unit, control unit receives the signal that first detection module and the second detection module are sent, and calculates water inlet and water outlet
The temperature difference and flow resistance value between mouthful, the value obtained is corrected and handles, and control executive device de-regulation liquid cooling medium into
Temperature and flow velocity before entering battery pack, are adjusted liquid cooling medium temperature and flow velocity according to the demand of the calorific value of battery core, energy
Enough battery core is set to radiate in time by liquid cooled module, the heat dissipation capacity of the calorific value and battery pack that make battery core is consistent substantially, thus
Charge-discharge performance of the power battery under low temperature environment or high ambient conditions is improved, and extends the service life of battery.
The purpose of this utility model is to provide a kind of battery pack assemblies, to alleviate the temperature of the liquid cooling medium in battery pack
It can not be adjusted with ambient temperature is different with flow velocity, the heat dissipation capacity of the calorific value and battery pack that make battery core is inconsistent
Technical problem.
Battery pack assembly provided by the utility model, comprising: battery case and battery pack described above, the battery case dress
In the battery pack.
Compared with prior art, the utility model has the advantages that
Battery pack assembly provided by the utility model passes through the liquid of battery pack by the way that battery case to be installed in battery pack
Cold module is to battery core heat dissipation, the cooling in battery case, to realize protection of the battery pack to battery case.Wherein, battery pack
Structure and beneficial effect is above-mentioned that detailed elaboration has been carried out, which is not described herein again.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of battery pack provided by the embodiment of the utility model；
Partial enlarged view at the battery pack A that Fig. 2 provides for Fig. 1；
Fig. 3 is the top view of battery pack provided by the embodiment of the utility model；
Fig. 4 is heat management control flow chart in battery pack provided by the embodiment of the utility model.
Icon: 1- lower casing ontology；2- liquid cooling plate；3- control unit；4- water inlet line；5- outlet conduit；21- into
Water branch；22- is discharged branch；41- temperature sensor；42- flow sensor.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " 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 " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment one
As shown in Figure 1 and Figure 4, battery pack provided in this embodiment, comprising: lower casing ontology 1, liquid cooled module, the first detection
Module, the second detection module, control unit 3 and the executive device for adjusting liquid cooling medium temperature and flow velocity；Liquid cooled module, inspection
It surveys module and control unit 3 is arranged inside lower casing ontology 1；Water outlet and water inlet are equipped in the side wall of lower casing ontology 1；
Water inlet is connected to by water inlet line 4 with liquid cooled module, and water outlet is connected to by outlet conduit 5 with liquid cooled module, so that liquid cooling
Medium flows successively through water inlet, liquid cooled module and water outlet, realizes cooling；First detection module is arranged in water inlet, is used for
Detect the flow velocity and temperature of water inlet liquid cooling medium；Second detection module is arranged in water outlet, for detecting water outlet
The flow velocity and temperature of liquid cooling medium；First detection module and the second detection module it is in parallel and successively with control unit 3 and execute dress
Set electrical connection.
Battery pack provided in this embodiment is equipped with water outlet and water inlet by the side wall in lower casing ontology 1, and water inlet is logical
It crosses water inlet line 4 to be connected to liquid cooled module, water outlet is connected to by outlet conduit 5 with liquid cooled module, forms access, liquid cooling is made to be situated between
Matter flows successively through the water inlet, liquid cooled module and water outlet, realizes cooling purpose, is basically unchanged power battery in temperature
In the environment of work；By being equipped with first detection module in water inlet, the flow velocity and temperature of water inlet liquid cooling medium are detected, is led to
It crosses and is equipped with the second detection module in water outlet, detect the flow velocity and temperature of water outlet liquid cooling medium, and respectively feed back signal
To control unit 3, control unit 3 receives the signal that first detection module and the second detection module are sent, and calculates water inlet and goes out
The temperature difference and flow resistance value between the mouth of a river, the value obtained are corrected and handle, and control executive device de-regulation liquid cooling medium and exist
Into the temperature and flow velocity before battery pack, liquid cooling medium temperature and flow velocity is adjusted according to the demand of the calorific value of battery core,
Battery core can be made to radiate in time by liquid cooled module, the heat dissipation capacity of the calorific value and battery pack that make battery core is consistent substantially, from
And charge-discharge performance of the power battery under low temperature environment or high ambient conditions is improved, and extend the use longevity of battery
Life.
Wherein, in the present embodiment, as shown in Fig. 2, first detection module includes the first temperature sensor 41 and first-class
Quantity sensor 42；Water inlet is connected to water inlet line 4 by first interface, the first temperature sensor 41 and first flow sensor
42 are embedded in first interface.The temperature that water inlet liquid cooling medium is detected by the first temperature sensor 41, by first-class
Quantity sensor 42 detects the flow velocity that water inlet goes out liquid cooling medium.
Similarly, the second detection module includes second temperature sensor 41 and second flow sensor 42；Water outlet and water outlet
Pipeline 5 is connected to by second interface, and second temperature sensor 41 and second flow sensor 42 are embedded in second interface.It is logical
The temperature that second temperature sensor 41 detects water outlet liquid cooling medium is crossed, water outlet is detected by second flow sensor 42 and is gone out
The flow velocity of liquid cooling medium.
It should be noted that as shown in figure 4, executive device is the temperature and stream for adjusting liquid cooling medium before entering battery pack
Speed, therefore, in the present embodiment, executive device includes for reducing the air conditioning apparatus of liquid cooling medium temperature, for improving liquid cooling
The heater of medium temperature and water pump for adjusting liquid cooling medium flow velocity.It is, air conditioning apparatus plays the role of refrigeration, control
Control air-conditioning freezes to liquid cooling medium to unit 3 processed as needed；Heater plays heating effect, and control unit 3 is according to need
Heater is controlled to heat liquid cooling medium；Control water pump realizes the adjusting to liquid cooling medium flow velocity to control unit 3 as needed.
In addition, in the present embodiment, as shown in figure 4, control unit 3 includes main control module and from control module；First detection
Module and the parallel connection of the second detection module are simultaneously successively electrically connected with from control module, main control module and executive device.It is, the first inspection
The signal of the temperature and flow of surveying module detection water inlet liquid cooling medium is sent to from control module, while the second detection module is examined
The signal of the temperature and flow of surveying water outlet liquid cooling medium is sent to from control module, is carried out from control module to two above-mentioned signals
Comparison obtains the temperature difference and flow resistance value, and is corrected and processing obtains a numerical signal；Master control mould is sent by numerical signal
The temperature or flow velocity of liquid cooling medium are adjusted according to the numerical signal control execution unit for block, main control module.
It should be noted that being battery management system from control module BSU from control module, main control module is battery management system
Main control module BMU.
In addition, in the present embodiment, as shown in figures 1 and 3, liquid cooled module includes multiple water-cooled plates, wherein water-cooled plate
There are many connection types.
For example, multiple water-cooled plates are parallel with one another.Specifically, as shown in figure 3, the water inlet branch 21 of multiple water-cooled plates respectively with
Water inlet line 4 is connected to, and the water outlet branch 22 of multiple water-cooled plates is connected to outlet conduit 5 respectively, forms the water-cooled plate of multiple parallel connections
Branch.
Alternatively, multiple water-cooled plates are serially connected.Specifically, multiple water-cooled plate supervisor series connection form the liquid cooling mould of an access
Block, water inlet line 4 are connected to the water inlet branch 21 of liquid cooled module, and outlet conduit 5 is connected to the water outlet branch 22 of liquid cooled module.
Alternatively, multiple water cooling plate serioparallel mixed connections.For example, some of water-cooled plates be serially connected to be formed one it is logical
Road, and it is in parallel with other water-cooled plates, form multiple branches.
It should be noted that as shown in figures 1 and 3, the position that lower casing ontology 1 is arranged in inlet and outlet has more
Kind, for example, the two sides of lower casing ontology 1 are respectively set in inlet and outlet, in the present embodiment, inlet and outlet are set
It sets in the ipsilateral of lower casing ontology 1.
Embodiment two
Battery pack assembly provided in this embodiment, comprising: the battery pack of battery case and the offer of embodiment one, battery case installing
In in battery pack.
Battery pack assembly provided in this embodiment passes through the liquid cooling of battery pack by the way that battery case to be installed in battery pack
Module is to battery core heat dissipation, the cooling in battery case, to realize protection of the battery pack to battery case.Wherein, the knot of battery pack
Structure and beneficial effect is above-mentioned that detailed elaboration has been carried out, which is not described herein again.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of battery pack characterized by comprising lower casing ontology, liquid cooled module, first detection module, the second detection module,
Control unit and executive device for adjusting liquid cooling medium temperature and flow velocity；
The liquid cooled module, detection module and control unit are arranged at the lower casing body interior；
Water outlet and water inlet are equipped in the side wall of the lower casing ontology；The water inlet passes through water inlet line and the liquid cooling mould
Block connection, the water outlet is connected to by outlet conduit with the liquid cooled module, so that liquid cooling medium flows successively through the water inlet
Mouth, liquid cooled module and water outlet realize cooling；
The first detection module is arranged in the water inlet, for detecting the flow velocity and temperature of the water inlet liquid cooling medium
Degree；Second detection module is arranged in the water outlet, for detecting the flow velocity and temperature of the water outlet liquid cooling medium
Degree；
The first detection module and the parallel connection of the second detection module are simultaneously successively electrically connected with described control unit and executive device.
2. battery pack according to claim 1, which is characterized in that the first detection module includes the first temperature sensor
With first flow sensor；
The water inlet is connected to the water inlet line by first interface, first temperature sensor and first flow sensing
Device is embedded in the first interface.
3. battery pack according to claim 1 or 2, which is characterized in that second detection module includes that second temperature passes
Sensor and second flow sensor；
The water outlet is connected to the outlet conduit by second interface, the second temperature sensor and second flow sensing
Device is embedded in the second interface.
4. battery pack according to claim 1, which is characterized in that the executive device includes for reducing liquid cooling medium temperature
The air conditioning apparatus of degree, the heater for improving liquid cooling medium temperature and the water pump for adjusting liquid cooling medium flow velocity.
5. battery pack according to claim 1, which is characterized in that described control unit include main control module and from control mould
Block；
The first detection module and the second detection module are in parallel and successively with described from controlling module, main control module and executive device
Electrical connection.
6. battery pack according to claim 1, which is characterized in that the liquid cooled module includes multiple water-cooled plates；
The water inlet branch of multiple water-cooled plates is connected to the water inlet line respectively, the water outlet branch point of multiple water-cooled plates
It is not connected to the outlet conduit.
7. battery pack according to claim 1, which is characterized in that the liquid cooled module includes multiple concatenated water-cooled plates.
8. battery pack according to claim 1, which is characterized in that the liquid cooled module includes multiple water-cooled plates, Duo Gesuo
State water cooling plate serioparallel mixed connection.
9. battery pack according to claim 1, which is characterized in that the water inlet and the water outlet are arranged under described
Shell ontology it is ipsilateral.
10. a kind of battery pack assembly characterized by comprising battery case and the described in any item battery packs of claim 1-9,
The battery case is installed in the battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820305335.8U CN208352478U (en) | 2018-03-06 | 2018-03-06 | Battery pack and battery pack assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820305335.8U CN208352478U (en) | 2018-03-06 | 2018-03-06 | Battery pack and battery pack assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208352478U true CN208352478U (en) | 2019-01-08 |
Family
ID=64884525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820305335.8U Active CN208352478U (en) | 2018-03-06 | 2018-03-06 | Battery pack and battery pack assembly |
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| Country | Link |
|---|---|
| CN (1) | CN208352478U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864300A (en) * | 2020-06-28 | 2020-10-30 | 江苏大学 | A composite cooling structure based on loop state monitoring and its control method |
-
2018
- 2018-03-06 CN CN201820305335.8U patent/CN208352478U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864300A (en) * | 2020-06-28 | 2020-10-30 | 江苏大学 | A composite cooling structure based on loop state monitoring and its control method |
| CN111864300B (en) * | 2020-06-28 | 2021-06-22 | 江苏大学 | A composite cooling structure based on loop state monitoring and its control method |
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