CN209658273U - Knapsack battery case - Google Patents
Knapsack battery case Download PDFInfo
- Publication number
- CN209658273U CN209658273U CN201920679201.7U CN201920679201U CN209658273U CN 209658273 U CN209658273 U CN 209658273U CN 201920679201 U CN201920679201 U CN 201920679201U CN 209658273 U CN209658273 U CN 209658273U
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- Prior art keywords
- wall portion
- knapsack
- battery
- cover
- battery case
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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
This application provides a kind of knapsack battery cases, are related to new energy field, comprising: first shell portion, including the first cover and the second cover being connected to each other；First cover includes the first wall portion of the first bottom with the outer peripheral edge for being disposed around first bottom, and second cover includes the second wall portion of the second bottom with the outer peripheral edge for being disposed around second bottom；Second shell portion, including the third wall portion being set on first bottom, third wall portion surrounds the battery modules of the knapsack battery case；Third wall portion protrudes past first wall portion from first bottom.The application protects battery modules by first shell portion and second shell portion jointly; and the third wall portion by protruding past the first wall portion prevents water to be directly entered battery modules along the junction of the first cover and the second cover, prevents battery modules Damage by Short Circuit to a certain extent.
Description
Technical field
This application involves new energy fields, more particularly, to a kind of knapsack battery case.
Background technique
With the development of society, Backpack type lithium battery is used widely, the shell of battery case is mostly single layer structure, such as
Battery can deform or damaged when fruit encounters landing or heavy impact, so as to cause oil leak short-circuit for internal cell damage, and use
In the process, normal rain is entered in case by the gap that cabinet connects to cause battery short circuit.
In the prior art, usually in knapsack battery cover be arranged reinforcing rib, for the battery in battery case protection effect simultaneously
It is bad, and prevent rainwater from entering in case by the gap that cabinet connects to cause battery short circuit without effective means.
Utility model content
In view of this, the application's is designed to provide a kind of knapsack battery case, to solve in the prior art to battery case
Interior battery protection is ineffective, and can not prevent rainwater from entering in case by the gap that cabinet connects to cause battery short circuit
The technical issues of.
To enable the above objects, features, and advantages of the application to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
The embodiment of the present application provides a kind of knapsack battery case, comprising:
First shell portion, including the first cover and the second cover being connected to each other；First cover include the first bottom and
It is disposed around the first wall portion of the outer peripheral edge of first bottom, second cover includes the second bottom and is disposed around described the
Second wall portion of the outer peripheral edge of two bottoms；
Second shell portion, including the third wall portion being set on first bottom, third wall portion is around described
The battery modules of knapsack battery case；
Third wall portion protrudes past first wall portion from first bottom.
Preferably, the knapsack battery case further includes support frame, and support frame as described above is set to the first shell portion and described
Between second shell portion, for installing the battery management unit being electrically connected with the battery modules, the battery management unit includes
For opening or closing the switch of the battery management unit.
Preferably, the battery management unit further includes display screen, and the display screen is electrically connected with the battery management unit
Connect the electricity to show the battery modules.
Preferably, the knapsack battery case further includes charge and discharge electrical interface, and the battery management unit further includes protective loop,
The charge and discharge electrical interface, the protective loop and the battery modules are electrically connected to each other, and the protective loop can be for described
The electric voltage exception of battery modules is alarmed and is protected；
At the electrical connection of the charge and discharge electrical interface, the protective loop and the battery modules and the battery management unit
It is coated with marine glue.
Preferably, the first shell portion is also formed with pulling part, and the pulling part is made of hollow curved channel, the arc
Shape channel is internally provided with support rib.
Preferably, the outer surface in the third wall portion in the second shell portion is formed with reinforcing rib, and the reinforcing rib extends
To the first bottom of first cover.
Preferably, the outer surface of the battery modules is provided with protection band.
Preferably, second bottom is provided with the support plate in mesh arrangement, is used to support the battery modules.
Preferably, the second shell portion further includes all around wall portion being set on second bottom, described first
In the case that cover and second cover are closed to form the first shell portion, third wall portion and the 4th wall
Portion contacts with being in alignment with each other.
Preferably, flexible buffer material is filled in the space between first wall portion and third wall portion
And/or water-absorbent material.
The application protects battery modules by first shell portion and second shell portion jointly, and by protruding past the first wall portion
Third wall portion prevent water to be directly entered battery modules along the junction of the first cover and the second cover, prevent to a certain extent
Battery modules Damage by Short Circuit.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the schematic diagram at the first visual angle of knapsack battery case assembly；
Fig. 2 shows the schematic diagrames at the second visual angle of knapsack battery case assembly；
Fig. 3 shows the schematic diagram of knapsack battery case internal structure；
Fig. 4 shows the schematic diagram of the structure of the second cover；
Fig. 5 shows the schematic diagram of the electrical connection of protective loop, anode, cathode and charge and discharge electrical interface.
Appended drawing reference:
1- first shell portion, the first cover of 11-, the first bottom 111-, the first wall of 112- portion, the second cover of 12-, 121-
Two bottoms, the second wall of 122- portion, 2- second shell portion, 21- third wall portion, 22- reinforcing rib, 3- support frame, 4- battery management
Unit, 41- display screen, 42- switch, 43- protective loop, 5- charge and discharge electrical interface, the pulling part 6-, 7- battery modules, 71- anode,
72- cathode, 73- protection band.
Specific embodiment
It is clearly and completely described below in conjunction with technical solution of the attached drawing to the application, it is clear that described implementation
Example is some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describe the application and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in application.
It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not this application claims protection scope within.
Referring to figs. 1 to Fig. 5, knapsack battery case provided by the embodiments of the present application, comprising: first shell portion, second shell portion, support
Frame, battery management unit, charge and discharge electrical interface, pulling part.The connection relationship and work between above-mentioned component will be described in detail below
Principle.
First shell portion 1 in the present embodiment includes the first cover 11 and the second cover 12 being connected to each other, wherein the first lid
Portion 11 includes the first wall portion 112 of the first bottom 111 and the outer peripheral edge for being disposed around the first bottom 111, and the second cover 12 is wrapped
It includes the second bottom 121 and is disposed around the second wall portion 122 of the outer peripheral edge of the second bottom 121, the first wall portion 112 and second encloses
The size and shape of wall portion 122 are identical, and in the present embodiment, the first bottom 111 and the second bottom 121 can be arranged with corresponding to each other
There is array threaded hole, be connected by screw to, the first cover 11 is fixedly connected with the second cover 12, so assembles first shell portion 1.
However, it is without being limited thereto, for the connection type of the first cover 11 and the second cover 12, such as it can also be that first encloses
The corresponding two sidewalls of wall portion 112 and the second wall portion 122 are connected by hinge, and are arranged respectively at other side walls and are latched, and are led to
The common cooperation of hinge and lock is crossed, the first cover 11 and the second cover 12 are connected.
In addition, first shell portion 1 can also include pulling part 6, pulling part 6 is formed in a side in first shell portion 1.Pulling part
6 may include the first part for being respectively formed in the first cover 11 and the second part for being formed in the second cover 12, pulling part 6
Two parts can be the identical hollow curved channel of geomery, and inside could be formed with support rib, for improving
The integral strength of pulling part 6, with the docking of the first cover 11 and the second cover 12, two parts of pulling part 6 are formed simultaneously energy
The arcuate structure enough lifted, convenient for carrying knapsack battery case, in the present embodiment, knapsack battery case is passed through for user,
Such as the measures such as bandage or knapsack, back is at the back of user, therefore the side for forming the pulling part 6 in first shell portion 1 is using
It is in top in the process.
Second shell portion 2 in the present embodiment may include the third wall portion 21 being set on the first bottom 111, third wall
Portion 21 surround knapsack battery case battery modules 7, when for preventing knapsack battery case from being impacted, internal battery directly by
Impact causes to damage, wherein in the present embodiment, third wall portion 21 can be an integral molding structure with the first bottom 111, third
The outer surface in wall portion 21 could be formed with a plurality of reinforcing rib 22, such as reinforcing rib 22 can be from the top in third wall portion 21
The first bottom 111 is extended to, can also continue to extend to the first wall portion 112 from the first bottom 111, further increase third and enclose
The intensity of wall portion 21.
It, can also all around wall portion be (in figure not in setting on the second bottom 121 of the second cover 12 the however, without being limited thereto
Show), in the case where the first cover 11 and the second cover 12 closure are to form first shell portion 1, third wall portion 21 and the 4th
Wall portion contacts with being in alignment with each other, therefore has enveloped battery modules 7 completely, can further increase to a certain extent to battery
The reliability that mould group 7 is protected.
It, can also be in each of battery modules 7 in the present embodiment in addition, the protection to battery modules 7 in order to further increase
Be respectively provided with protection band 73 on a face, the material of protection band 73 uses flexible buffer material, also, the two sides of protection band 73 respectively with
Battery modules 7, third wall portion 21, second shell portion 2 are in close contact, to guarantee that battery modules 7 will not occur in use
Play.
In addition, third wall portion 21 protrudes past the first wall from the first bottom 111 in the embodiments of the present invention
Portion 112, that is to say, that relative to the second bottom 121 of the first bottom 111 or direction, 21 to the first wall portion 112, third wall portion
It is prominent.This is it is also understood that the upper end in third wall portion 21 is greater than the first cover 11 to the minimum range of the first bottom 111
With the maximum distance of the joint face of the second cover 12 to the first bottom 111, in foregoing description it has been mentioned that in the present embodiment
The orientation of knapsack battery case in actual use, therefore, the main purpose being arranged in this way is, when user carries knapsack
Battery case carries out outdoor study, if rain flows into knapsack along the gap of the junction of the first cover 11 and the second cover 12
When inside battery case, the upper side wall in third wall portion 21 will be first poured, flowed down further along the two sides in third wall portion 21, thus one
Determine to guarantee that rainwater will not directly pour battery modules 7 and short circuit occurs in degree.
However, it is without being limited thereto, for the strengthening measure in third wall portion 21, it is also possible that in third wall portion 21 and
The padded coaming of filling flexible in space between one wall portion 112, to absorb energy when knapsack battery case is impacted,
The protection pressure in third wall portion 21 is reduced, water-absorbent material can also be filled, to reduce knapsack battery case in above-mentioned gap
Interior humidity after water inlet further prevents battery modules 7 short-circuit.
Also, it is mentioned in above description, the minimum range of the upper end in third wall portion 21 to the first bottom 111, first
The joint face of cover 11 and the second cover 12 is the inner surface according to the first bottom 111 to the maximum distance of the first bottom 111
What concrete shape determined, that is to say, that be not particularly limited the concrete shape of the inner surface of the first bottom 111, the first bottom 111
Inner surface can be set as cambered surface or other shapes according to the actual situation.
In the present embodiment, it is also provided with support frame 3 between the first wall portion 112 and third wall portion 21, supports
The both ends of frame 3 are respectively fixedly connected with the first wall portion 112 and third wall portion 21, and the middle part of support frame 3 can be formed with it is recessed
Slot, for clamping battery management unit 4, the quantity of support frame 3 can there are two, i.e., the position phase of the groove of two support frames 3
It is mutually corresponding, however it is not limited to which this does not limit the concrete shape and shape of support frame 3 as long as being capable of fixing battery management unit 4
At mode.
Battery management unit 4 in the present embodiment includes protective loop 43, display screen 41 and switch 42, and protective loop 43 can
To be set on pcb board, display screen 41 and switch 42 are also electrically connected with pcb board, also, the second wall portion of the second cover 12
122, it is that display screen 41 and the corresponding position of switch 42 are each formed with through-hole, by display screen 41 and the exposure of switch 42, wherein
Display screen 41 can use common LED display, and for showing the real time electrical quantity of battery modules 7, switch 42 can be using normal
The point driving switch seen, for controlling being turned on or off for battery management unit 4, so as to be opened according to actual use situation
Battery management unit 4 monitors 7 voltage change of battery modules, or closes battery management unit 4 and reduce 7 power consumption of battery modules.
The voltage change that battery management unit 4 described above monitors battery modules 7 is realized by protective loop 43,
Protective loop 43 is integrated in the pcb board of battery management unit 4, and the cathode with the anode 71 of battery modules 7, battery modules 7
72 and charge and discharge electrical interface 5 be electrically connected, will be alarmed when the electric voltage exception of battery modules 7 and disconnect electric discharge or charging, to protect
Battery modules 7 and user are protected, for example, when battery modules 7 short circuit occur, overcharge or overload, protective loop
43 can make above-mentioned response according to abnormal voltage.
It should be noted that protective loop 43 is common circuit protection mode, has been shown and protect back in Fig. 3 and Fig. 5
Anode 71, the cathode 72 of battery modules 7 and the electric connection mode of charge and discharge electrical interface 5 on road 43 and battery modules 7.
In embodiment, charge and discharge electrical interface 5 is the interface that can not only charge but also can discharge, as shown in figure 3, this implementation
Charge and discharge electrical interface 5 in example is fixedly installed in knapsack battery case in the lower section used when being orientated, the present embodiment by screw
Charge and discharge electrical interface 5 further include USB interface, increase can charge and discharge selectivity, improve knapsack battery case to a certain extent
Applicability.
However, it is without being limited thereto, specific limitation is not done to installation site, the number amount and type of charge and discharge electrical interface 5, is used
Person can arbitrarily select installation site, the number amount and type of charge and discharge electrical interface 5, as long as guaranteeing that charge and discharge connect according to actual needs
Mouth 5 is electrically connected with protective loop 43, is protected battery modules 7 in charge and discharge.
It should be noted that in the present embodiment, for the electricity of protective loop 43, battery modules 7 and charge and discharge electrical interface 5
Junction and battery management unit 4 are all made of situations such as waterproof measure prevents short circuit in itself, such as can be coating waterproof
Glue.
In addition, as shown in figure 4, the second bottom 121 of the second cover 12 is also formed with the support plate in mesh arrangement, except increasing
Outside the intensity for adding the second cover 12, supporting role, also, the first bottom 111 of the first cover 11 also are played to battery modules 7
It is also formed with above-mentioned mesh-supported plate (not shown), support plate avoids directly two bottoms of contact of battery modules 7, in two bottoms
When receiving impact, it is easier to the case where damaging.
The processing and working principle of knapsack battery case will be described in detail below in feature as described above.
Processing: the first shell portion 1 and second shell portion 2 of knapsack battery case can be integrally formed using Shooting Technique, specifically
Ground says that second cover 12 in first shell portion 1 can be integrally formed with Shooting Technique, the first cover 11, the second shell in first shell portion 1
Portion 2 and support frame 3 can also be integrally formed with Shooting Technique.
Working principle: the knapsack battery case in the embodiment of the present application is carried on the back by user in back, and user will need to power
Equipment be connected with the charge and discharge power port of knapsack battery case and can be realized to need power supply unit to power, when meeting with the rainy day,
Water enters the inside of knapsack battery case from the connection gap of the first cover 11 and the second cover 12, can first pour second shell portion 2, and
It is left along the two sides in the third wall portion 21 in second shell portion 2, the connecting sewing from the lower section of the first cover 11 and the second cover 12
Clearance flow goes out.
The foregoing is merely preferred embodiment of the present application, are not intended to limit the protection scope of the application, all at this
Under the innovation thinking of application, using equivalent structure transformation made by present specification and accompanying drawing content, or directly/use indirectly
In the protection scope that other related technical areas are included in the application.
Claims (10)
1. a kind of knapsack battery case characterized by comprising
First shell portion, including the first cover and the second cover being connected to each other；First cover includes that the first bottom and enclosing is set
In the first wall portion of the outer peripheral edge of first bottom, second cover includes the second bottom and is disposed around second bottom
Second wall portion of the outer peripheral edge in portion；
Second shell portion, including the third wall portion being set on first bottom, third wall portion surrounds the knapsack
The battery modules of battery case；
Third wall portion protrudes past first wall portion from first bottom.
2. knapsack battery case according to claim 1, which is characterized in that the knapsack battery case further includes support frame, institute
It states support frame to be set between the first shell portion and the second shell portion, for installing the electricity being electrically connected with the battery modules
Pond administrative unit, the battery management unit include the switch for opening or closing the battery management unit.
3. knapsack battery case according to claim 2, which is characterized in that the battery management unit further includes display screen,
The display screen is electrically connected the electricity to show the battery modules with the battery management unit.
4. knapsack battery case according to claim 2, which is characterized in that the knapsack battery case further includes that charge and discharge connect
Mouthful, the battery management unit further includes protective loop, the charge and discharge electrical interface, the protective loop and the battery modules that
This electrical connection, the protective loop can be alarmed and be protected for the electric voltage exception of the battery modules；
It is applied at the electrical connection of the charge and discharge electrical interface, the protective loop and the battery modules with the battery management unit
It is covered with marine glue.
5. knapsack battery case according to any one of claim 1 to 4, which is characterized in that the first shell portion is also formed
There is pulling part, the pulling part is made of hollow curved channel, and the curved channel is internally provided with support rib.
6. knapsack battery case according to any one of claim 1 to 4, which is characterized in that the third in the second shell portion
The outer surface in wall portion is formed with reinforcing rib, and the reinforcing rib extends to the first bottom of first cover.
7. knapsack battery case according to any one of claim 1 to 4, which is characterized in that the appearance of the battery modules
Face is provided with protection band.
8. knapsack battery case according to any one of claim 1 to 4, which is characterized in that second bottom is provided with
In the support plate of mesh arrangement, it is used to support the battery modules.
9. knapsack battery case according to any one of claim 1 to 4, which is characterized in that the second shell portion further includes
The all around wall portion being set on second bottom, in first cover and second cover closure to form described the
In the case where one shell portion, third wall portion with described all around wall portion contact with being in alignment with each other.
10. knapsack battery case according to any one of claim 1 to 4, which is characterized in that first wall portion and institute
It states in the space between third wall portion filled with flexible buffer material and/or water-absorbent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920679201.7U CN209658273U (en) | 2019-05-13 | 2019-05-13 | Knapsack battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920679201.7U CN209658273U (en) | 2019-05-13 | 2019-05-13 | Knapsack battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209658273U true CN209658273U (en) | 2019-11-19 |
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ID=68530166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920679201.7U Active CN209658273U (en) | 2019-05-13 | 2019-05-13 | Knapsack battery case |
Country Status (1)
| Country | Link |
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| CN (1) | CN209658273U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366416A (en) * | 2020-11-10 | 2021-02-12 | 山东博胜动力科技股份有限公司 | LFP lithium battery |
| WO2022095193A1 (en) * | 2020-11-03 | 2022-05-12 | 江苏铁锚工具有限公司 | Backpack battery composed of n battery packs |
-
2019
- 2019-05-13 CN CN201920679201.7U patent/CN209658273U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022095193A1 (en) * | 2020-11-03 | 2022-05-12 | 江苏铁锚工具有限公司 | Backpack battery composed of n battery packs |
| CN112366416A (en) * | 2020-11-10 | 2021-02-12 | 山东博胜动力科技股份有限公司 | LFP lithium battery |
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