CN207651574U - Electric commercial vehicle battery pack and battery pack system - Google Patents
Electric commercial vehicle battery pack and battery pack system Download PDFInfo
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- CN207651574U CN207651574U CN201820028941.XU CN201820028941U CN207651574U CN 207651574 U CN207651574 U CN 207651574U CN 201820028941 U CN201820028941 U CN 201820028941U CN 207651574 U CN207651574 U CN 207651574U
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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
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Abstract
The utility model embodiment is related to new energy field of batteries, in particular to a kind of electric commercial vehicle battery pack and battery pack system.A kind of electric commercial vehicle battery pack includes：Battery case, first layer battery modules, second layer battery modules, connection component, the first liquid cooling apparatus, the second liquid cooling apparatus, cushion pad, cell managing device, battery cutout device and multiple fixing pieces.It is cavity inside Battery case, first layer battery modules, second layer battery modules, connection component, the first liquid cooling apparatus, the second liquid cooling apparatus, cushion pad, cell managing device and battery cutout device are set to cavity, one end of each fixing piece sequentially passes through second layer battery modules, connection component and first layer battery modules, and is fixedly connected with the bottom of Battery case.The cruising ability of the electric commercial vehicle battery pack is strong, and security performance is high.
Description
Technical field
The utility model embodiment is related to new energy field of batteries, in particular to a kind of electric commercial vehicle battery pack
And battery pack system.
Background technology
Power battery pack is the core component of pure electric vehicle commercial car, and performance is directly related to holding for pure electric vehicle commercial car
Continuous, safe and reliable operation.
The duration performance and security performance of existing most power battery pack are poor, cannot be satisfied holding for pure electric vehicle commercial car
Continuous, safe and reliable operation.
Utility model content
In view of this, the utility model provides a kind of pure electric vehicle commercial vehicle battery packet and battery pack system, to improve
The problem of duration performance existing for existing power battery pack and poor safety performance.
To achieve the above object, the utility model embodiment provides a kind of electric commercial vehicle battery pack, including：Battery case
Body, first layer battery modules, second layer battery modules, connection component, the first liquid cooling apparatus, the second liquid cooling apparatus, cushion pad, electricity
Pond managing device, battery cutout device and multiple fixing pieces.It is cavity inside the Battery case, the cushion pad is set to institute
It states in cavity, and positioned at the bottom of the Battery case, first liquid cooling apparatus is set to the cushion pad far from the electricity
The bottom side of pond babinet, the first layer battery modules are set to first liquid cooling apparatus far from the cushion pad side,
The connection component is set to the first layer battery modules far from first liquid cooling apparatus side, second liquid cooling apparatus
The connection component is set to far from first layer battery modules side, the second layer battery modules are set to described second
Liquid cooling apparatus in the cavity, and is located at the battery far from the connection component side, the cell managing device setting
First madial wall of babinet, the cell managing device and the first layer battery modules and the second layer battery modules are electrical
Connection, the battery cutout device setting in the cavity, and are located at the second madial wall of the Battery case, and described second
Madial wall is opposite with first madial wall, the battery cutout device and the first layer battery modules and second layer electricity
Pond module is electrically connected, and one end of each fixing piece sequentially passes through the second layer battery modules, the connection component and institute
First layer battery modules are stated, and are fixedly connected with the bottom of the Battery case.
Optionally, the electric commercial vehicle battery pack further includes liquid cooling piping installation.The liquid cooling piping installation is set to
Inside the Battery case, and positioned at the first madial wall of the Battery case close to the position of the cell managing device, institute
Liquid cooling piping installation is stated to be connected to first liquid cooling apparatus and second liquid cooling apparatus.
Optionally, first liquid cooling apparatus and second liquid cooling apparatus are platy structure, first liquid cooling apparatus
Be cavity inside second liquid cooling apparatus, first liquid cooling apparatus is provided with the close to one end of first madial wall
The inside of one inlet and the first liquid outlet, first inlet, first liquid outlet and first liquid cooling apparatus is empty
Chamber interconnects.Second liquid cooling apparatus is provided with the second inlet and second close to one end of first madial wall and goes out liquid
Mouthful, the internal cavities of second inlet, second liquid outlet and second liquid cooling apparatus interconnect, the pipeline
Device, first inlet, first liquid outlet, second inlet and second liquid outlet interconnect.
Optionally, the connection component includes two connecting rods and multiple connecting plates.Each connecting plate is set to described
It between two connecting rods, and is fixedly connected respectively with each connecting rod, described two connecting rods and each connecting plate are set to
The first layer battery modules are pasted far from first liquid cooling apparatus side, each connecting plate with the first layer battery modules
It closes, described two connecting rods are bonded with the edge of the first layer battery modules respectively, the edge of the second layer battery modules
It is bonded with side of described two connecting rods far from the first layer battery modules, and with each connecting plate far from described first
The side fitting of layer battery modules, one end of each fixing piece sequentially passes through the second layer battery modules and described two companies
The joint place of extension bar, described two connecting rods and the first layer battery modules joint place, and with the bottom of the Battery case
Portion is fixedly connected.
Optionally, the connecting rod is provided with multiple connection through-holes, and the edges of the first layer battery modules is provided with more
The edge of a first connecting hole, the second layer battery modules is provided with multiple second connecting holes.When described two connecting rods point
When not being bonded with the edge of the first layer battery modules, each connection through-hole is corresponding with each first connecting hole, when
Side of described two connecting rods far from the first layer battery modules is bonded with the edge of the second layer battery modules respectively
When, each connection through-hole is corresponding with each second connecting hole, and one end of each fixing piece sequentially passes through each described
Two connecting holes, each connection through-hole, each first connecting hole, and be fixedly connected with the bottom of the Battery case.
Optionally, the electric commercial vehicle battery pack further includes having the first high voltage interface and the second high voltage interface.Described
One high voltage interface nesting is set to first madial wall, and is electrically connected with the cell managing device, second high pressure
Interface nesting is set to second madial wall, and is electrically connected with the battery cutout device.
Optionally, the electric commercial vehicle battery pack is additionally provided with communication interface, and the communication interface nesting is set to institute
State position of first madial wall far from first high voltage interface.
Optionally, the electric commercial vehicle battery pack further includes confluence component.The confluence component and first layer battery mould
Group and second layer battery modules are electrically connected, and the first end of the confluence component is set to first high voltage interface, the remittance
The second end and the battery cutout device for flowing component are electrically connected and the battery cutout device are passed through to be set to described second
High voltage interface.
The utility model embodiment additionally provides a kind of battery pack system, including connecting line and multiple above-mentioned electric commercial vehicles
Battery pack.Wherein, each electric commercial vehicle battery pack is electrically connected by the connecting line.
Optionally, the electric commercial vehicle battery pack includes the first electric commercial vehicle battery pack and the second electric commercial vehicle electricity
Chi Bao.The first end of the connecting line and the second high voltage interface of the first electric commercial vehicle battery pack are electrically connected, described
The second end of connecting line and the second high voltage interface of the second electric commercial vehicle battery pack are electrically connected.
The electric commercial vehicle battery pack and battery pack system that the utility model embodiment provides, using binodal battery modules and
The double-deck liquid cooling apparatus is arranged alternately, and improves the energy density of battery modules and the heat management efficiency of battery pack, and cushion pad is set
It sets and reduces the impact that battery pack receives, cell managing device and battery cutout device can supervise the performance of battery modules
Control, the duration performance and security performance of entire electric commercial vehicle battery pack are improved.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
A kind of structural schematic diagram for electric commercial vehicle battery pack that Fig. 1 is provided by the utility model embodiment.
The structural schematic diagram of battery modules after a kind of assembling that Fig. 2 is provided by the utility model embodiment.
A kind of third visual angle schematic diagram for Battery case that Fig. 3 is provided by the utility model embodiment.
A kind of structural schematic diagram for connection component that Fig. 4 is provided by the utility model embodiment.
Fig. 5 is the enlarged diagram in the portions A in Fig. 4.
A kind of first visual angle schematic diagram of electric commercial vehicle battery pack that Fig. 6 is provided by the utility model embodiment.
A kind of second visual angle schematic diagram of Battery case that Fig. 7 is provided by the utility model embodiment.
A kind of battery pack system structural schematic diagram that Fig. 8 is provided by the utility model embodiment.
Icon：100- electric commercial vehicle battery packs；200- battery pack systems；1- Battery cases；The first high voltage interfaces of 11-；
The second high voltage interfaces of 12-；13- communication interfaces；14- fixes beam assembly；15- lifting lugs；16- sealing rings；17- battery modules fix metal plate
Gold；18- cell managing devices fix metal plate；19- battery cutout devices fix metal plate；2- first layer battery modules；The 3- second layers
Battery modules；4- connection components；41- connecting rods；411- connection through-holes；42- connecting plates；43- fasteners；The first liquid coolings of 51- fill
It sets；The second liquid cooling apparatus of 52-；53- liquid cooling piping installations；61- cell managing devices；62- battery cutout devices；The explosion-proof dresses of 63-
It sets；7- fixing pieces；The first busbars of 81-；The second busbars of 82-；Busbar among 83-；9- connecting lines.
Specific implementation mode
Power battery pack is the core component of pure electric vehicle commercial car, and performance is directly related to holding for pure electric vehicle commercial car
Continuous, safe and reliable operation.
Further investigation reveals that the duration performance and security performance of existing most power battery pack are poor, pure electricity cannot be satisfied
Dynamic the lasting of commercial car, safe and reliable operation.
Based on the studies above, the utility model embodiment provides a kind of electric commercial vehicle battery pack and battery pack system,
The problem of to improve duration performance existing for existing power battery pack and poor safety performance.
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Usually retouched in attached drawing here
The component of the utility model embodiment stated and shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention 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 the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, unless otherwise clearly defined and limited, term " setting ", " connected ", " company
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connects, and can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two members
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality with concrete condition
Concrete meaning in type.
Fig. 1 shows a kind of structural schematic diagram for electric commercial vehicle battery pack that the utility model embodiment is provided, by
Figure is as it can be seen that the electric commercial vehicle battery pack 100 includes Battery case 1, first layer battery modules, second layer battery modules 3, connection
Component, the first liquid cooling apparatus, the second liquid cooling apparatus, cushion pad, cell managing device, battery cutout device and multiple fixing pieces.
Wherein, first layer battery modules, second layer battery modules 3, connection component, the first liquid cooling apparatus, the second liquid cooling apparatus, buffering
Pad, cell managing device, battery cutout device are set to the inside of Battery case 1, cell managing device, battery cutout device point
It is not electrically connected with first layer battery modules and second layer battery modules, one end of each fixing piece sequentially passes through second layer battery mould
Group, connection component and first layer battery modules, and it is fixedly connected on the bottom of Battery case 1.
Please continue to refer to Fig. 1, as seen from the figure, which further includes the first high voltage interface 11, second
High voltage interface 12, communication interface 13, fixed beam assembly 14, lifting lug 15 and sealing ring 16.In the present embodiment, Battery case 1 can
Think that side has the cuboid of opening, sealing ring 16 to be set to the opening of Battery case 1, when the upper cover and battery of Battery case
When the openings snap-fit of babinet 1, sealing ring 16 can guarantee the air-tightness of entire electric commercial vehicle battery pack 100.
First high voltage interface 11 and the second high voltage interface 12 nested the first madial wall for being set to Battery case 1 and respectively
Two madial walls, wherein the first madial wall and the second madial wall are opposite, and the first high voltage interface 11 electrically connects with cell managing device
It connects, the second high voltage interface 12 is electrically connected with battery cutout device.
13 nesting of communication interface is set to position of first madial wall far from the first high voltage interface 11, as seen from Figure 1, communication
Interface 13 is set to the lower section of the first high voltage interface 11.
Fixed beam assembly 14 and lifting lug 15 are set to the exterior bottom of Battery case 1, and fixed beam assembly 14 and lifting lug 15 are solid
Fixed connection, fixed beam assembly 14 are used to increase the structural strength of entire Battery case 1, and lifting lug 15 is for assisting entire Battery case
1 is moved, for example, can detachable connection be carried out for lifting lug 15 and external mobile devices, by external mobile devices to whole
A Battery case is moved.
Since most of component shown in Fig. 1 is placed in box house, the relative position between each component for ease of description
And connection relation, Fig. 2 is please referred to, the structure of the battery modules after a kind of assembling provided by the utility model embodiment is shown
It is intended to.
From Figure 2 it can be seen that the first liquid cooling apparatus 51 and the second liquid cooling apparatus 52 are platy structure, the first liquid cooling apparatus 51 and the
The inside of two liquid cooling apparatus 52 is cavity, and the first liquid cooling apparatus 51 is provided with the first inlet and the close to the side of the first madial wall
One liquid outlet, the second liquid cooling apparatus 52 is provided with the second inlet and the second liquid outlet close to one end of the first madial wall, by Fig. 2
It can be seen that each inlet, liquid outlet are cylindrical-shaped structure, wherein the first inlet and the first liquid outlet respectively with the first liquid cooling apparatus
51 connects with the internal cavities, the second inlet and the second liquid outlet connects with the internal cavities with the second liquid cooling apparatus 52 respectively.
Fig. 1 and Fig. 2 are please referred to, which further includes piping installation 53, please refers to Fig. 1, pipe
Road device 53 be set to the first madial wall of Battery case 1 close to the position of cell managing device and with the first feed liquor in Fig. 2
Mouth, the first liquid outlet, the second inlet and the connection of the second liquid outlet.
It is appreciated that the piping installation 53 in the first liquid cooling apparatus 51 in Fig. 2, the second liquid cooling apparatus 52 and Fig. 1 forms
Liquid cooling system, for carrying out heat management, such as heating and cooling to battery modules.
Please continue to refer to Fig. 2, the first liquid cooling apparatus 51 is set to cushion pad (in the first liquid cooling apparatus bottom, figure not
Show) side, first layer battery modules 2 are set to the first side of the liquid cooling apparatus 51 far from cushion pad, and connection component 4 is set to
Side of the first layer battery modules 2 far from the first liquid cooling apparatus 51, the second liquid cooling apparatus 52 are set to connection component 4 far from first
The side of layer battery modules 2, second layer battery modules 3 are set to the second side of the liquid cooling apparatus 52 far from connection component 4, each solid
Determine part 7 and sequentially pass through second layer battery modules 3, connection component 4 and first layer battery modules 2, and is fixedly connected in Fig. 3 and shows
Battery modules fix metal plate 17, the effect of fixing piece 7 be by Fig. 2 shows overall structure be fixedly connected on battery in Fig. 3
Module fixes metal plate 17.As seen from Figure 2, fixing piece 7 is long bolt, and outer diameter fixes metal plate 17 with battery modules in Fig. 3
The internal diameter of each mounting hole of upper setting is adapted.
Please continue to refer to Fig. 2, each battery modules of first layer battery modules 2 and each battery mould of second layer battery modules 3
Group is electrically connected by each intermediate busbar 83, so set, can the energy of each battery modules be subjected to confluence set, to
Increase the energy density of entire electric commercial vehicle battery pack.
Please continue to refer to Fig. 3, the inside of Battery case is also provided with cell managing device and fixes metal plate 18 and battery cutout
Device fixes metal plate 19, it will be understood that cell managing device fixes metal plate 18 for fixing cell managing device, battery cutout dress
Fixed metal plate 19 is set for fixing battery cutout device.
Fig. 4 shows a kind of structural schematic diagram for connection component that the utility model embodiment is provided, as seen from the figure, should
Connection component includes two connecting rods 41 and multiple connecting plates 42, and each connecting plate 42 is set between two connecting rods 41, and with
Each connecting rod 41 is fixedly connected.
Fig. 5 is the enlarged diagram in the portions A in Fig. 4, and as seen from Figure 5, connecting rod 41 is provided with multiple connection through-holes 411, Fig. 2
Shown in each fixing piece 7 one end can pass through each connection through-hole 411, optionally, the knot of each connecting plate 42 and connecting rod 41
Fastener 43 can be set at conjunction, for realizing the detachable connection of each connecting plate 42 and connecting rod 41.
Please refer to Fig. 5 and Fig. 2, connection component 4 be set to first layer battery modules 2 and second layer battery modules 3 it
Between when, the edge of first layer battery modules 2 and second layer battery modules 3 is bonded with each connecting rod 41 respectively, wherein first layer electricity
Pond module 2 and the edge of second layer battery modules 3 are respectively arranged with multiple first connecting holes and multiple second connecting holes, and each first
Connecting hole, each connection through-hole 411 and each second connecting hole correspond to, and one end of each fixing piece 7 in Fig. 2 sequentially passes through each first and connects
Connect hole, each connection through-hole 411 and each second connecting hole, and be fixed on battery modules in Fig. 3 fix on metal plate 17 be arranged it is each solid
Determine hole.It is achieved in the fixation to above-mentioned component.So set, improving the space utilization of entire electric commercial vehicle battery pack
The design of rate, the double-deck liquid cooling plate and bilayer cells module had not only increased heat management efficiency but also had improved energy density, and then improved
The cruising ability of entire electric commercial vehicle battery pack.
Fig. 6 shows a kind of the first visual angle signal for electric commercial vehicle battery pack that the utility model embodiment is provided
Figure.As seen from the figure, cell managing device 61 is set to Battery case close to the position of the first madial wall, and is fixedly connected on Fig. 3
Shown in cell managing device fix metal plate 18, battery cutout device 62 is set to Battery case close to the position of the second madial wall
It sets, and is fixedly connected on battery cutout device shown in Fig. 3 and fixes metal plate 19.
First busbar 81 is electrically connected with the intermediate busbar in part, and one end of the first busbar 81 is set to the first high pressure
Interface, the first busbar 81 are electrically connected with cell managing device 61.Second busbar 82 electrically connects with the intermediate busbar in part
It connects, one end of the second busbar 82 is set to the second high voltage interface, and the second busbar 82 is electrically connected with battery cutout device 62.
First busbar 81, the second busbar 82 and multiple intermediate busbars constitute confluence component.
63 nesting of explosion-protection equipment is set to the second madial wall, to be connected to the inside and outside of Battery case.
Wherein, the effect of cell managing device 61 mainly carries out the parameters such as the voltage, electric current and temperature of battery in real time
It detects and controls it always within the scope of the running parameter of permission, while test constantly is carried out to battery system insulation resistance.Electricity
The effect of pond disconnecting device 62 is mainly turned off, is closed major loop and preliminary filling circuit, to be cut to major loop and preliminary filling circuit
It changes and break-make controls；The transient current in charge and discharge process is acquired, to judge charging and discharging state；Battery pack is filled by battery cutout
It sets 62 output ends connection high voltage interface and charge and discharge is carried out to battery pack.Explosion-protection equipment 63 can discharge gas excessive in battery pack in time
Pressure, and explosion caused by the pressure increased rapidly in battery pack when thermal run away can be prevented.
A kind of second visual angle schematic diagram of Battery case that Fig. 7 is provided by the utility model embodiment, as seen from the figure, Gu
It includes multiple crossbeams and multiple longerons to determine beam assembly 14, and each crossbeam and each longeron are staggered and are fixed on the bottom of Battery case
Portion increases the structural strength of entire Battery case.
Based on this, Fig. 8 shows a kind of structural schematic diagram for battery pack system that the utility model embodiment is provided, by
Figure is as it can be seen that the battery pack system 200 includes connecting line 9 and two above-mentioned electric commercial vehicle battery packs.
Wherein, the both ends of connecting line 9 are electrically connected with the second high voltage interface of each electric commercial vehicle battery pack respectively, with reality
The series connection of existing two electric commercial vehicle battery packs, so set, the energy of two electric commercial vehicle battery packs is further gathered,
To further increase energy density.
To sum up, the electric commercial vehicle battery pack and battery pack system that the utility model embodiment provides, carry out structure
Ingehious design had not only increased the energy density of battery pack by bilayer cells module and the double-deck liquid cooling plate but also had improved heat management effect
The setting of rate, cell managing device, battery cutout device and explosion-protection equipment improves the operation of entire electric commercial vehicle battery pack
Stability and safety, when there are abnormal conditions, battery cutout device energy line disconnection avoids abnormal conditions from further expanding
Greatly, the duration performance of entire electric commercial vehicle battery pack and security performance are improved.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of electric commercial vehicle battery pack, which is characterized in that including：Battery case, first layer battery modules, second layer battery
Module, connection component, the first liquid cooling apparatus, the second liquid cooling apparatus, cushion pad, cell managing device, battery cutout device and more
A fixing piece；
It is cavity inside the Battery case, the cushion pad setting in the cavity, and is located at the bottom of the Battery case
Portion；
First liquid cooling apparatus is set to bottom side of the cushion pad far from the Battery case；
The first layer battery modules are set to first liquid cooling apparatus far from the cushion pad side；
The connection component is set to the first layer battery modules far from first liquid cooling apparatus side；
Second liquid cooling apparatus is set to the connection component far from first layer battery modules side；
The second layer battery modules are set to second liquid cooling apparatus far from the connection component side；
The cell managing device setting in the cavity, and is located at the first madial wall of the Battery case, the battery
Managing device is electrically connected with the first layer battery modules and the second layer battery modules；
The battery cutout device setting in the cavity, and is located at the second madial wall of the Battery case, and described second
Madial wall is opposite with first madial wall, the battery cutout device and the first layer battery modules and second layer electricity
Pond module is electrically connected；
One end of each fixing piece sequentially passes through the second layer battery modules, the connection component and the first layer battery
Module, and be fixedly connected with the bottom of the Battery case.
2. electric commercial vehicle battery pack according to claim 1, which is characterized in that the electric commercial vehicle battery pack is also wrapped
Include liquid cooling piping installation；
The liquid cooling piping installation is set to inside the Battery case, and close positioned at the first madial wall of the Battery case
The position of the cell managing device；
The liquid cooling piping installation is connected to first liquid cooling apparatus and second liquid cooling apparatus.
3. electric commercial vehicle battery pack according to claim 2, which is characterized in that first liquid cooling apparatus and described
Two liquid cooling apparatus are platy structure；
It is cavity inside first liquid cooling apparatus and second liquid cooling apparatus；
First liquid cooling apparatus is provided with the first inlet and the first liquid outlet close to one end of first madial wall；It is described
The internal cavities of first inlet, first liquid outlet and first liquid cooling apparatus interconnect；
Second liquid cooling apparatus is provided with the second inlet and the second liquid outlet close to one end of first madial wall；It is described
The internal cavities of second inlet, second liquid outlet and second liquid cooling apparatus interconnect；
The piping installation, first inlet, first liquid outlet, second inlet and second liquid outlet
It interconnects.
4. electric commercial vehicle battery pack according to claim 1, which is characterized in that the connection component includes two connections
Bar and multiple connecting plates；
Each connecting plate is set between described two connecting rods, and is fixedly connected respectively with each connecting rod；
Described two connecting rods and each connecting plate are set to the first layer battery modules far from first liquid cooling apparatus
Side, each connecting plate are bonded with the first layer battery modules；Described two connecting rods respectively with the first layer battery
The edge of module is bonded；
The edge of the second layer battery modules is bonded with side of described two connecting rods far from the first layer battery modules,
And it is bonded with side of each connecting plate far from the first layer battery modules；
One end of each fixing piece sequentially passes through the joint place, described of the second layer battery modules and described two connecting rods
The joint place of two connecting rods and the first layer battery modules, and be fixedly connected with the bottom of the Battery case.
5. electric commercial vehicle battery pack according to claim 4, which is characterized in that the connecting rod is provided with multiple connections
The edge of through-hole, the first layer battery modules is provided with multiple first connecting holes, and the edge of the second layer battery modules is set
It is equipped with multiple second connecting holes；
When described two connecting rods are bonded with the edge of the first layer battery modules respectively, each connection through-hole and each institute
It is corresponding to state the first connecting hole；
When side of described two connecting rods far from the first layer battery modules side with the second layer battery modules respectively
When edge is bonded, each connection through-hole is corresponding with each second connecting hole；
One end of each fixing piece sequentially passes through each second connecting hole, each connection through-hole, each first connection
Hole, and be fixedly connected with the bottom of the Battery case.
6. electric commercial vehicle battery pack according to claim 1, which is characterized in that the electric commercial vehicle battery pack is also wrapped
The first high voltage interface and the second high voltage interface are included；
The first high voltage interface nesting is set to first madial wall, and is electrically connected with the cell managing device；
The second high voltage interface nesting is set to second madial wall, and is electrically connected with the battery cutout device.
7. electric commercial vehicle battery pack according to claim 6, which is characterized in that the electric commercial vehicle battery pack is also set
It is equipped with communication interface；
The communication interface nesting is set to position of first madial wall far from first high voltage interface.
8. electric commercial vehicle battery pack according to claim 6, which is characterized in that the electric commercial vehicle battery pack is also wrapped
Include confluence component；
The confluence component is electrically connected with first layer battery modules and second layer battery modules；
The first end of the confluence component is set to first high voltage interface；
The second end of the confluence component is electrically connected with the battery cutout device and the battery cutout device is passed through to be arranged
In second high voltage interface.
9. a kind of battery pack system, which is characterized in that including：
Multiple the claims 1-8 any one of them electric commercial vehicle battery packs；
Connecting line；
Each electric commercial vehicle battery pack is electrically connected by the connecting line.
10. battery pack system according to claim 9, which is characterized in that the electric commercial vehicle battery pack includes first
Electric commercial vehicle battery pack and the second electric commercial vehicle battery pack；
The first end of the connecting line and the second high voltage interface of the first electric commercial vehicle battery pack are electrically connected；
The second end of the connecting line and the second high voltage interface of the second electric commercial vehicle battery pack are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820028941.XU CN207651574U (en) | 2018-01-08 | 2018-01-08 | Electric commercial vehicle battery pack and battery pack system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820028941.XU CN207651574U (en) | 2018-01-08 | 2018-01-08 | Electric commercial vehicle battery pack and battery pack system |
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| CN207651574U true CN207651574U (en) | 2018-07-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039438A (en) * | 2018-01-08 | 2018-05-15 | 华霆（合肥）动力技术有限公司 | Electric commercial vehicle battery pack and battery pack system |
| CN113670543A (en) * | 2021-10-22 | 2021-11-19 | 潍柴新能源科技有限公司 | Battery pack leakage detection device and battery pack leakage detection method |
-
2018
- 2018-01-08 CN CN201820028941.XU patent/CN207651574U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039438A (en) * | 2018-01-08 | 2018-05-15 | 华霆（合肥）动力技术有限公司 | Electric commercial vehicle battery pack and battery pack system |
| CN113670543A (en) * | 2021-10-22 | 2021-11-19 | 潍柴新能源科技有限公司 | Battery pack leakage detection device and battery pack leakage detection method |
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