CN112382818A - Lithium battery module and notebook computer - Google Patents
Lithium battery module and notebook computer Download PDFInfo
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- CN112382818A CN112382818A CN202011391182.1A CN202011391182A CN112382818A CN 112382818 A CN112382818 A CN 112382818A CN 202011391182 A CN202011391182 A CN 202011391182A CN 112382818 A CN112382818 A CN 112382818A
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 60
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1635—Details related to the integration of battery packs and other power supplies such as fuel cells or integrated AC adapter
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/263—Arrangements for using multiple switchable power supplies, e.g. battery and AC
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Power Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
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Abstract
The invention provides a lithium battery module and a notebook computer. The lithium battery module includes: the battery comprises a first battery cell, a second battery cell and a battery accommodating frame; the battery accommodating frame comprises a first frame body and a second frame body, the first frame body comprises a first main body part and a first step part, and the second frame body comprises: the second body part is laminated on the first body part, the first stepped part extends outwards from one side of the first body part, the second stepped part extends outwards from one side of the second body part, and the extending directions of the first stepped part and the second stepped part are opposite; in first frame was located to first electric core, in the second frame was located to the second electric core, made the thickness attenuate of lithium cell module both sides through forming first step portion and second step portion, was applied to notebook computer with this lithium cell module, can promote the space utilization of product, improved the product molding.
Description
Technical Field
The invention relates to the technical field of notebook computers, in particular to a lithium battery module and a notebook computer.
Background
With the continuous development of electronic technology, Notebook computers (Notebook computers) are popular among people due to their small size and portability, and have been used in large quantities in people's daily life.
The notebook computer is composed of hardware such as a display, a keyboard/mouse, a processor, a memory, a hard disk and the like as a traditional desktop computer, but has the characteristics of small volume, light weight and convenience in carrying under the condition of the same composition. Generally, portability is the greatest advantage of a notebook compared with a desktop computer, the weight of a common notebook computer is only about 2 kilograms, and the notebook computer can be carried about no matter the notebook computer is used for work or travels, so that the notebook computer is very convenient.
Existing notebook computers typically include: the keyboard comprises a bottom shell, a face shell rotatably connected with the bottom shell, a keyboard and a touch pad which are arranged on the surface of one side, close to the face shell, of the bottom shell, a display screen which is arranged on the surface of one side, close to the bottom shell, of the face shell, a mainboard, a lithium battery module and other components which are arranged in the bottom shell.
The lithium battery module of the existing notebook computer is generally formed by combining a plurality of battery cells, as shown in fig. 1, two of four battery cells 201 are aligned and discharged to form a lithium battery module 200 of the notebook computer, as shown in fig. 2, the lithium battery module 200 is installed in a base 202 of the notebook computer, and meanwhile, a main board 203 electrically connected with the lithium battery module 200 is also installed in the base 202, because the thickness of each region of the lithium battery module 200 is thick, if other components are continuously stacked on the lithium battery module 200, the thickness of the notebook computer is increased, and the current trend of ultra-thinning of the notebook computer is not met, therefore, in the prior art, the main board 203 and the lithium battery module 200 are arranged at intervals, a region a between the main board 203 and the base 202 cannot be used, and the space utilization rate of the product is not high. Meanwhile, in order to make the product visually thin, the front side wall of the base 202 is usually made into an arc shape, the area B corresponding to the arc shape is thinner than other areas of the base 202, the lithium battery module 200 cannot be arranged in the area B, the space utilization rate of the product is further reduced, and the arc-shaped arc-retracting distance is short, the radius is small, and the visually thin effect is not obvious because the lithium battery module 200 cannot be arranged in the area B.
Disclosure of Invention
The invention aims to provide a lithium battery module which is applied to a notebook computer, and can improve the space utilization rate and the product shape of the product.
The invention also aims to provide a notebook computer, which can improve the space utilization rate of products and improve the product shape.
In order to achieve the above object, the present invention provides a lithium battery module including: the battery comprises a first battery cell, a second battery cell and a battery accommodating frame;
the battery accommodating frame comprises a first frame body and a second frame body, the first frame body comprises a first main body part and a first step part, and the second frame body comprises: the second body part is laminated on the first body part, the first stepped part extends outwards from one side of the first body part, the second stepped part extends outwards from one side of the second body part, and the extending directions of the first stepped part and the second stepped part are opposite;
the first battery cell is arranged in the first frame, and the second battery cell is arranged in the second frame.
The number of the first battery cells is two, and the two first battery cells are sequentially arranged in the first frame body;
the number of the second battery cells is two, and the two second battery cells are sequentially arranged in the second frame body.
The lithium battery module further comprises a circuit board, a connecting wire and a connector, wherein the circuit board is positioned in the second frame;
the first battery cell is electrically connected with one side surface of the circuit board close to the first frame body, and the second battery cell is electrically connected with one side surface of the circuit board far away from the first frame body;
one end of the connecting wire is electrically connected with the circuit board, and the other end of the connecting wire extends out of the battery accommodating frame and is electrically connected with the connector.
The lithium battery module further comprises a first insulating cover and a second insulating cover, wherein the first insulating cover is covered on one side face, far away from the second frame body, of the first frame body, and the second insulating cover is covered on one side face, far away from the first frame body, of the second frame body.
The present invention also provides a notebook computer, comprising: the display screen comprises a base, a display screen rotationally connected with the base, a lithium battery module arranged in the base and a main board arranged in the base and electrically connected with the lithium battery module;
the base includes: the bottom shell comprises a first sub-plate, a second sub-plate and a third sub-plate which are sequentially connected, the second sub-plate is arranged opposite to the cover plate, two ends of the second sub-plate are respectively connected with two ends of the cover plate through the first sub-plate and the third sub-plate, and the first sub-plate is in an arc shape which is concave towards the direction far away from the cover plate;
the lithium battery module includes: the battery accommodating frame comprises a first frame body and a second frame body, the first frame body comprises a first main body part and a first step part, and the second frame body comprises: the second body part is laminated on the first body part, the first stepped part extends outwards from one side of the first body part, the second stepped part extends outwards from one side of the second body part, and the extending directions of the first stepped part and the second stepped part are opposite; the first battery cell is arranged in the first frame body, and the second battery cell is arranged in the second frame body;
the second step portion extends into a region between the first sub-board and the cover plate, and the first step portion extends into a region between the main board and the second sub-board.
The number of the first battery cells is two, and the two first battery cells are sequentially arranged in the first frame body;
the number of the second battery cells is two, and the two second battery cells are sequentially arranged in the second frame body.
The lithium battery module further comprises a circuit board, a connecting wire and a connector, wherein the circuit board is positioned in the second frame;
the first battery cell is electrically connected with one side surface of the circuit board close to the first frame body, and the second battery cell is electrically connected with one side surface of the circuit board far away from the first frame body;
one end of the connecting wire is electrically connected with the circuit board, and the other end of the connecting wire extends out of the battery accommodating frame and is electrically connected with the connector.
The lithium battery module further comprises a first insulating cover and a second insulating cover, wherein the first insulating cover is covered on one side face, far away from the second frame body, of the first frame body, and the second insulating cover is covered on one side face, far away from the first frame body, of the second frame body.
And electrically connecting the lithium battery module to the mainboard through the connector.
The orthographic projection of the first sub-board in the plane of the cover plate falls in the cover plate.
The invention has the beneficial effects that: the present invention provides a lithium battery module, including: the battery comprises a first battery cell, a second battery cell and a battery accommodating frame; the battery accommodating frame comprises a first frame body and a second frame body, the first frame body comprises a first main body part and a first step part, and the second frame body comprises: the second body part is laminated on the first body part, the first stepped part extends outwards from one side of the first body part, the second stepped part extends outwards from one side of the second body part, and the extending directions of the first stepped part and the second stepped part are opposite; in first frame was located to first electric core, in the second frame was located to the second electric core, made the thickness attenuate of lithium cell module both sides through forming first step portion and second step portion, was applied to notebook computer with this lithium cell module, can promote the space utilization of product, improved the product molding. The invention also provides a notebook computer, which can improve the space utilization rate of products and improve the product shape.
Drawings
For a better understanding of the nature and technical aspects of the present invention, reference should be made to the following detailed description of the invention, taken in conjunction with the accompanying drawings, which are provided for purposes of illustration and description and are not intended to limit the invention.
In the drawings, there is shown in the drawings,
fig. 1 is a schematic view of a conventional lithium battery module;
FIG. 2 is a schematic side view of a conventional notebook computer;
fig. 3 is an exploded view of a lithium battery module according to the present invention;
FIG. 4 is a schematic view of a lithium battery module according to the present invention;
FIG. 5 is a schematic side view of a notebook computer according to the present invention;
fig. 6 is a bottom view of the notebook computer according to the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Referring to fig. 3 to 4, the present invention first provides a lithium battery module, including: the battery comprises a first battery cell 1, a second battery cell 2 and a battery accommodating frame 5;
the battery housing frame 5 includes a first frame body 51 and a second frame body 52, the first frame body 51 includes a first main body portion 511 and a first step portion 512, the second frame body 52 includes: a second body 521 and a second stepped portion 522, wherein the second body 521 is stacked on the first body 511, the first stepped portion 512 extends outward from one side of the first body 511, the second stepped portion 522 extends outward from one side of the second body 521, and the extending directions of the first stepped portion 512 and the second stepped portion 522 are opposite;
the first cell 1 is disposed in a first frame 51, and the second cell 2 is disposed in a second frame 52.
It should be noted that, in some embodiments of the present invention, the first frame body 51 and the second frame body 52 are two rectangular frames with identical size, the second frame body 52 is superposed on the first frame body 51, the first frame body 51 and the second frame body 52 are aligned at two ends and staggered at two sides, the first body 511 and the second body 521 are formed by the overlapping portions of the first frame 51 and the second frame 52, the first frame 51 and the second frame 52 are offset to form a first step 512 and a second step 522, wherein the first main body portion 511 and the second main body portion 521 are vertically penetrated without physical separation in the middle, and the first step portion 512 has a top support plate on top, the second step portion 522 has a bottom support plate, thus, the first cell 1 may be accommodated in the first frame 51, and the second cell 2 may be accommodated in the second frame.
Further, the size of the first frame 51 and the second frame 52 matches with the size and the number of the battery cells accommodated therein.
Specifically, in some embodiments of the present invention, the number of the first battery cells 1 is two, and the two first battery cells 1 are sequentially arranged in the first frame 51;
the number of the second battery cells 2 is two, and the two second battery cells 2 are sequentially arranged in the second frame body 52.
Specifically, the lithium battery module further comprises a circuit board 6, a connecting trace 7 and a connector 8, wherein the circuit board 6 is located in the second frame 52;
the first battery cell 1 is electrically connected with one side surface of the circuit board 6 close to the first frame body 51, and the second battery cell 2 is electrically connected with one side surface of the circuit board 6 far away from the first frame body 51;
one end of the connecting wire 7 is electrically connected to the circuit board 6, and the other end of the connecting wire extends out of the battery accommodating frame 5 and is electrically connected to the connector 8.
Further, the first electric core 1 and the second electric core 2 are rectangular electric cores with the same size, one side end of the rectangular electric core is provided with positive and negative electrode plates, the positive and negative electrode plates of the two first electric cores 1 are arranged oppositely, the positive and negative electrode plates of the two second electric cores 2 are arranged oppositely, the circuit board 6 is arranged between the two second electric cores 2, the positive and negative electrode plates of the two first electric cores 1 are in contact with one side face, close to the first electrode area 52, of the circuit board 6 respectively, and the positive and negative electrode plates of the two second electric cores 2 are in contact with one side face, far away from the first electrode area 51, of the circuit board.
Specifically, the lithium battery module further comprises a first insulating cover 91 and a second insulating cover 92, wherein the first insulating cover 91 is arranged on one side surface of the first frame body 51 far away from the second frame body 52, the second insulating cover 92 is arranged on one side surface of the second frame body 52 far away from the first frame body 51, the first electric core 1 and the second electric core 2 are packaged inside the battery accommodating frame 5, the first insulating cover 91 and the second insulating cover 92 by arranging the first insulating cover 91 and the second insulating cover 92, and the lead-out connecting wires 7 and the lead-out connector 8 are connected with a load.
Therefore, the two sides of the lithium battery module are provided with the step structures, the thickness of the step structures is thinner than that of other areas of the lithium battery module, the lithium battery module can extend into various narrow or ultrathin spaces when being arranged in an electronic product, particularly a notebook computer, a battery with a larger capacity can be arranged by using a smaller space, the shape or size of a battery cell does not need to be changed when the step structures are arranged, the manufacturing cost is lower, and the product competitiveness is strong.
Referring to fig. 3 to 6, the present invention further provides a notebook computer, including: the display device comprises a base 10, a display screen 20 rotationally connected with the base 10, a lithium battery module 30 arranged in the base 10, and a main board 40 arranged in the base 10 and electrically connected with the lithium battery module 30;
the base 10 includes: the bottom case 101 and the cover plate 102 connected to the bottom case 101, the bottom case 101 includes a first sub-plate 1011, a second sub-plate 1012 and a third sub-plate 1013 connected in sequence, the second sub-plate 1012 is arranged opposite to the cover plate 102, two ends of the second sub-plate 1012 are respectively connected to two ends of the cover plate 102 through the first sub-plate 1011 and the third sub-plate 1013, and the first sub-plate 1011 is in an arc shape recessed in a direction away from the cover plate 102;
the lithium battery module 30 includes: the battery housing frame 5 includes a first frame body 51 and a second frame body 52, the first frame body 51 includes a first main body portion 511 and a first step portion 512, the second frame body 52 includes: a second body 521 and a second stepped portion 522, wherein the second body 521 is stacked on the first body 511, the first stepped portion 512 extends outward from one side of the first body 511, the second stepped portion 522 extends outward from one side of the second body 521, and the extending directions of the first stepped portion 512 and the second stepped portion 522 are opposite; the first battery cell 1 is arranged in a first frame body 51, and the second battery cell 2 is arranged in a second frame body 52;
the second step 522 extends into a region between the first sub-board 1011 and the cover plate 102, and the first step 512 extends into a region between the main board 40 and the second sub-board 1012.
It should be noted that, in some embodiments of the present invention, the first frame body 51 and the second frame body 52 are two rectangular frames with identical size, the second frame body 52 is superposed on the first frame body 51, the first frame body 51 and the second frame body 52 are aligned at two ends and staggered at two sides, the first body 511 and the second body 521 are formed by the overlapping portions of the first frame 51 and the second frame 52, the first frame 51 and the second frame 52 are offset to form a first step 512 and a second step 522, wherein the first main body portion 511 and the second main body portion 521 are vertically penetrated without physical separation in the middle, and the first step portion 512 has a top support plate on top, the second step portion 522 has a bottom support plate, thus, the first cell 1 may be accommodated in the first frame 51, and the second cell 2 may be accommodated in the second frame.
Preferably, the second sub-plate 1012 is a flat plate, and the third sub-plate 1013 is an arc shape recessed in a direction away from the cover plate 102.
Further, the size of the first frame 51 and the second frame 52 matches with the size and the number of the battery cells accommodated therein.
Specifically, in some embodiments of the present invention, the number of the first battery cells 1 is two, and the two first battery cells 1 are sequentially arranged in the first frame 51;
the number of the second battery cells 2 is two, and the two second battery cells 2 are sequentially arranged in the second frame body 52.
Specifically, the lithium battery module further comprises a circuit board 6, a connecting trace 7 and a connector 8, wherein the circuit board 6 is located in the second frame 52;
the first battery cell 1 is electrically connected with one side surface of the circuit board 6 close to the first frame body 51, and the second battery cell 2 is electrically connected with one side surface of the circuit board 6 far away from the first frame body 51;
one end of the connecting wire 7 is electrically connected to the circuit board 6, and the other end of the connecting wire extends out of the battery accommodating frame 5 and is electrically connected to the connector 8.
Further, the first electric core 1 and the second electric core 2 are rectangular electric cores with the same size, one side end of the rectangular electric core is provided with positive and negative electrode plates, the positive and negative electrode plates of the two first electric cores 1 are arranged oppositely, the positive and negative electrode plates of the two second electric cores 2 are arranged oppositely, the circuit board 6 is arranged between the two second electric cores 2, the positive and negative electrode plates of the two second electric cores 2 are in contact with one side face of the circuit board 6, which is far away from the first electrode area 51, and the positive and negative electrode plates of the two first electric cores 1 are in contact with one side face of the circuit board 6, which is close to the first electrode.
Specifically, the lithium battery module further includes a first insulating cover 91 covering a side of the first frame body 51 far from the second frame body 52, and a second insulating cover 92 covering a side of the second frame body 52 far from the first frame body 51, and the first electrical core 1 and the second electrical core 2 are packaged inside the battery accommodating frame 5, the first insulating cover 91 and the second insulating cover 92 by the arrangement of the first insulating cover 91 and the second insulating cover 92, and are electrically connected to the motherboard 40 through the led-out connection wire 7 and the connector 8.
In the notebook computer of the present invention, since the two sides of the lithium battery module have the step structure, the thickness of the step structure is thinner than that of other regions of the lithium battery module, the second step portion 522 can extend into the region C between the first sub-board 1011 and the cover plate 102, and the first step portion 512 can extend into the region D between the main board 40 and the second sub-board 1012, compared with the prior art, the space inside the base is fully utilized, the arc-closing distance of the first sub-board 1011 is longer, the arc-closing radius is larger, the visual thinning effect is more obvious, the size of the base can be reduced if necessary, so that the product is more portable.
Specifically, in the notebook computer, the lithium battery module 30 is electrically connected to the main board 40 through the connector 8.
Specifically, the orthographic projection of the first sub-board 1011 on the plane of the cover plate 102 is located in the cover plate 102, that is, the outermost side of the first sub-board 1011 does not exceed the edge of the cover plate 102, so as to ensure that the above-mentioned technical effect of visual thinness is achieved.
In summary, the present invention provides a lithium battery module, including: the battery comprises a first battery cell, a second battery cell and a battery accommodating frame; the battery accommodating frame comprises a first frame body and a second frame body, the first frame body comprises a first main body part and a first step part, and the second frame body comprises: the second body part is laminated on the first body part, the first stepped part extends outwards from one side of the first body part, the second stepped part extends outwards from one side of the second body part, and the extending directions of the first stepped part and the second stepped part are opposite; in first frame was located to first electric core, in the second frame was located to the second electric core, made the thickness attenuate of lithium cell module both sides through forming first step portion and second step portion, was applied to notebook computer with this lithium cell module, can promote the space utilization of product, improved the product molding. The invention also provides a notebook computer, which can improve the space utilization rate of products and improve the product shape.
As described above, it will be apparent to those skilled in the art that other various changes and modifications may be made based on the technical solution and concept of the present invention, and all such changes and modifications are intended to fall within the scope of the appended claims.
Claims (10)
1. A lithium battery module, comprising: the battery comprises a first battery cell (1), a second battery cell (2) and a battery accommodating frame (5);
the battery housing frame (5) comprises a first frame body (51) and a second frame body (52), wherein the first frame body (51) comprises a first main body part (511) and a first step part (512), and the second frame body (52) comprises: a second main body part (521) and a second stepped part (522), wherein the second main body part (521) is laminated on the first main body part (511), the first stepped part (512) extends outwards from one side of the first main body part (511), the second stepped part (522) extends outwards from one side of the second main body part (521), and the extending directions of the first stepped part (512) and the second stepped part (522) are opposite;
the first battery cell (1) is arranged in a first frame body (51), and the second battery cell (2) is arranged in a second frame body (52).
2. The lithium battery module as claimed in claim 1, characterized in that the number of the first cells (1) is two, and the two first cells (1) are arranged in sequence in the first frame body (51);
the number of the second battery cells (2) is two, and the two second battery cells (2) are sequentially arranged in the second frame body (52).
3. The lithium battery module as recited in claim 1, further comprising a circuit board (6), a connecting trace (7) and a connector (8), wherein the circuit board (6) is located in the second frame body (52);
the first battery cell (1) is electrically connected with one side surface, close to the first frame body (51), of the circuit board (6), and the second battery cell (2) is electrically connected with one side surface, far away from the first frame body (51), of the circuit board (6);
one end of the connecting wire (7) is electrically connected with the circuit board (6), and the other end of the connecting wire extends out of the battery accommodating frame (5) and is electrically connected with the connector (8).
4. The lithium battery module as claimed in claim 1, further comprising a first insulating cover (91) covering a side of the first frame body (51) away from the second frame body (52), and a second insulating cover (92) covering a side of the second frame body (52) away from the first frame body (51).
5. A notebook computer, comprising: the display screen comprises a base (10), a display screen (20) rotationally connected with the base (10), a lithium battery module (30) arranged in the base (10), and a main board (40) arranged in the base (10) and electrically connected with the lithium battery module (30);
the base (10) comprises: the bottom shell (101) comprises a first sub-board (1011), a second sub-board (1012) and a third sub-board (1013) which are sequentially connected, the second sub-board (1012) is arranged opposite to the cover plate (102), two ends of the second sub-board (1012) are respectively connected with two ends of the cover plate (102) through the first sub-board (1011) and the third sub-board (1013), and the first sub-board (1011) is in an arc shape which is concave towards the direction far away from the cover plate (102);
the lithium battery module (30) includes: the battery housing frame (5) comprises a first frame body (51) and a second frame body (52), wherein the first frame body (51) comprises a first main body part (511) and a first step part (512), and the second frame body (52) comprises: a second main body part (521) and a second stepped part (522), wherein the second main body part (521) is laminated on the first main body part (511), the first stepped part (512) extends outwards from one side of the first main body part (511), the second stepped part (522) extends outwards from one side of the second main body part (521), and the extending directions of the first stepped part (512) and the second stepped part (522) are opposite; the first battery cell (1) is arranged in a first frame body (51), and the second battery cell (2) is arranged in a second frame body (52);
the second step (522) extends into a region between the first sub-board (1011) and the cover plate (102), and the first step (512) extends into a region between the main board (40) and the second sub-board (1012).
6. The notebook computer according to claim 5, wherein the number of the first battery cells (1) is two, and the two first battery cells (1) are arranged in sequence in the first frame body (51);
the number of the second battery cells (2) is two, and the two second battery cells (2) are sequentially arranged in the second frame body (52).
7. The notebook computer according to claim 5, wherein the lithium battery module (30) further comprises a circuit board (6), a connecting trace (7) and a connector (8), wherein the circuit board (6) is located in the second frame body (52);
the first battery cell (1) is electrically connected with one side surface, close to the first frame body (51), of the circuit board (6), and the second battery cell (2) is electrically connected with one side surface, far away from the first frame body (51), of the circuit board (6);
one end of the connecting wire (7) is electrically connected with the circuit board (6), and the other end of the connecting wire extends out of the battery accommodating frame (5) and is electrically connected with the connector (8).
8. The notebook computer as claimed in claim 5, wherein the lithium battery module (30) further comprises a first insulating cover (91) covering a side of the first frame body (51) away from the second frame body (52), and a second insulating cover (92) covering a side of the second frame body (52) away from the first frame body (51).
9. The notebook computer as claimed in claim 7, wherein the lithium battery module (30) is electrically connected to the main board (40) through a connector (8).
10. The notebook computer as claimed in claim 5, wherein an orthographic projection of the first sub-board (1011) in a plane of the cover plate (102) falls within the cover plate (102).
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