TWM509148U - Moisture-proof structure for battery set - Google Patents

Description

Moisture-proof structure for battery pack

The present invention relates to a moisture-proof structure, and more particularly to a moisture-proof structure installed inside a battery pack for isolating moisture.

With the rise of environmental awareness such as energy conservation and carbon reduction, the current vehicles are gradually replacing the power of traditional engines with electric motors, such as electric bicycles, electric vehicles, and even electric scooters used by people with reduced mobility... The technical key point of the electric drive vehicle is that in addition to the motor for driving the wheel, it is a battery pack that provides motor power.

The battery pack of the existing electric vehicle is generally assembled by using a high-power battery such as a lithium battery or a lithium polymer battery, and the specific method is that a plurality of batteries are firstly connected in series and in parallel to form a combination. The battery group defined by the required voltage and the ampere-hour is then placed in a casing for packaging treatment, thereby completing the fabrication of a complete battery pack through which the protective core group is subjected to an external force. For the purpose of impact, or to insulate the battery pack from external conductive materials to prevent short circuit, when the battery pack is mounted on the body of the electric vehicle, the casing ensures that it can stably and safely perform the function of supplying power to the motor.

However, since the existing battery pack for electric vehicles is usually installed at the bottom end of the vehicle body, when the electric vehicle travels over the ground with accumulated water, the accumulated water will cause the accumulated water to flow to the electric traffic due to the driving of the electric vehicle. The tool splashes, according to which, there will be a battery pack splashed due to water, which causes the battery cells of the battery pack to be damp, so that the battery pack may be short-circuited, which greatly affects the service life of the battery pack.

In addition, when the battery of the battery pack supplies power to the electric vehicle, the temperature of the battery itself increases, and after the power supply ends, the temperature of the battery core drops to normal temperature, because the air contains water molecules, therefore, The temperature fluctuation in the closed battery case will cause the air water molecules inside the casing to condense with the temperature drop of the battery core, causing the moisture inside the casing to be generated, so that the battery cells of the battery pack are thus damp, resulting in shortened service life.

The purpose of this creation is to improve the lack of the battery pack's service life due to the moisture in the battery pack of the prior art. By the implementation of the creative technique, the water molecules in the air inside the casing are improved with the cooling of the battery core. Condensation, or the phenomenon that water vapor directly penetrates and infiltrates from the outside of the casing.

In order to achieve the above-mentioned creative purpose, the technical means adopted in the present invention is to design a moisture-proof structure for a battery pack, which has a first shell group, a second shell group, a plurality of partition plates, a battery core group and two connectors. The first shell group and the second shell group are respectively hollow boxes, the second shell is assembled inside the first shell group, and a distance is formed between the first shell group and the second shell group. The battery assembly is disposed in the second housing group, and the positive and negative ends of the battery core pass through the second housing group to the first housing group; the spacers are mounted on the first housing group And the second connector group is selectively connected to the positive and negative ends of the battery core group respectively, the two connector groups respectively have a cover body, and the cover system is a hollow block, the cover body An opening is formed at one end of the body, and a joint is formed at the open end, and the joint of the cover is selectively connected to the first shell group.

The moisture-proof structure of the battery pack, wherein the spacers are continuous wave-shaped plates, and have a plurality of pockets and a plurality of abutting portions, wherein the plurality of pockets on one side of the spacers correspond to the a plurality of abutting portions on the other side of the spacer, and the receiving groove and the abutting portion are formed at intervals on the spacer plate, and the abutting portions of the spacer plates abut against the first abutting portion respectively The inner wall surface of the shell group and the outer wall surface of the second shell group are separated from the wall surfaces of the first shell group and the second shell group to form a plurality of small spaces.

The moisture barrier structure of the battery pack, wherein the first casing group has a first casing and a first cover body, the first casing is an open container, and the first casing has an opening on one end surface thereof. The first cover system is a plate body, and the first cover body is disposed at an opening of the first casing. The first cover body forms a joint groove on one side, and a through hole is formed in the corresponding joint groove. The second housing group has a second housing and a second cover. The second housing is an open container. The second housing has an opening on one end surface. The second cover system has a plate body. The second cover is disposed at the opening of the second housing, and the second cover is formed to form two mounting holes, and the second cover covers the second housing to correspond to the first cover. a position of the first housing, and the two mounting holes are formed at positions of the second cover respectively corresponding to the two through holes formed at the position of the first cover; the tops of the spacers are opposite to the two sides The abutting portions respectively abut against the inner wall surface of the first casing and the outer wall surface of the second casing, and respectively abut against The first cover body and the side surface of the second cover body are separated from the first housing and the second housing to form a plurality of small spaces, and the spacers are corresponding to the first cover body The joint hole of the through hole and the second cover body form two openings; the joint portion of the cover body of the connector set is a hook structure, and the joint portion is selectively engaged with the joint groove of the first cover body.

The moisture-proof structure of the battery pack, wherein the battery core group has a plurality of batteries, two poles, a plurality of conductive lines, a plurality of signal lines and two fixing members; the plurality of batteries are arranged side by side, the batteries have two conductive The two poles are L-shaped conductive materials, and are respectively combined with the conductive portions of the positive and negative electrodes of the two batteries; the conductive wires are electrically connected to the conductive portions of the other cores to the cells of the poles The fixing member is a screw made of brass material connected to the pole; the signal wire is connected at one end to the conductive portion of the battery core, and the other end is connected to the fixing member; the pole is sequentially disposed a mounting hole of the second cover body, a coupling groove and the spacer plate to the through hole of the first cover body; the connector group further has a wire and a conductive member; the one end of the conductive member is connected to the cover The inner wall of the body is electrically connected to the wire, and the conductive member is selectively abuttable against the pole of the battery group.

The material is used for the moisture-proof structure of the battery pack, wherein the material of the partition plate is a moisture-proof material such as a magnesite board or a glass magnesium board.

The moisture-proof structure for the battery pack further has a plurality of fillers; the first shell group further has a plurality of through holes and a plurality of sealing members, the through holes are formed through the wall surface of the first shell group, and correspond to a space of the partitioning plate; the filler is added to the space formed by the groove of the partitioning plate and the inner wall surface of the first casing group via the through hole, and the sealing member is connected to the through hole to close the through hole hole.

The moisture-proof structure for the battery pack, wherein the through hole of the first shell group is formed through the first cover body and corresponds to the groove of the spacer plate to add the filler to the first cover Between the body and the cavity; the sealing member is threadedly coupled to the through hole.

The moisture barrier structure for the battery pack, wherein the filler is a reusable desiccant.

The moisture barrier structure for the battery pack, wherein the filler is nitrogen.

The moisture-proof structure for the battery pack, wherein the top abutting portion of the spacers is further coated with an adhesive, and the spacers are glued between the first shell group and the second shell group.

The moisture-proof structure for the battery pack further has a filler; the first shell group further has a plurality of through holes and a plurality of joints, the through holes are formed through the wall surface of the first shell, and corresponding to the a space of the partitioning plate, the filler is disposed in a space formed by the groove of the partitioning plate and the wall surface of the first casing, the coupling member is a screw; the partitioning plate and the second casing correspond to the first A coupling hole is formed in the through hole of the housing, and the coupling member is sequentially threadedly coupled to the through hole of the first shell group, the joint hole of the partition plate and the second shell, and the connection through the joint member And fixing the first casing, the partition plate and the second casing; the filler is a reusable desiccant or nitrogen gas.

The advantage of the present invention is that the plurality of spacers are disposed between the first shell group and the second shell group, and the first shell and the second shell are arranged by the continuous wave-tooth shape of the partition plate. The space between the cover body and the second cover body is filled with a partition plate, so that the space between the two is reduced, so that the water molecules of the air between the first shell group and the second shell group cannot be gathered together. At the same time, the partition plate is moisture-proof material that can absorb moisture, thereby improving the moisture of the battery core group, and the cover of the connector group is sealed at the through hole of the first cover body, thereby avoiding external water or liquid. Entering the inside of the first shell group and the second shell group, in addition, the creation may further form a through hole in the first shell to facilitate filling of the filler of the partition plate through the through hole through a filler such as a desiccant or a nitrogen gas. To absorb moisture or prevent the formation of water molecules to further improve the moisture content of the battery.

The technical means adopted by the present invention for achieving the intended purpose of creation are further explained below in conjunction with the drawings and the preferred embodiment of the present invention.

Referring to FIG. 1 and FIG. 2, the moisture-proof structure for the battery pack of the present invention has a first shell group 10, a second shell group 20, a plurality of partition plates 30, a battery core group 40 and two connectors. Group 50.

The first shell group 10 and the second shell group 20 are respectively hollow boxes, and the second shell group 20 is installed inside the first shell group 10, and the first shell group 10 and the second shell group 20 are There is a distance between them.

The first housing group 10 has a first housing 11 and a first cover body 12. The first housing 11 is an open container. The first housing 11 has an opening on one end surface thereof. The first housing 12 has an opening. The first cover 12 is disposed on the opening of the first housing 11. Please refer to FIG. 3 at the same time, the first cover 12 forms a coupling groove 121 on one side, and corresponds to A through hole 120 is formed in the joint groove 121. In the specific embodiment of the present invention, the first shell set 10 is a rectangular hexahedron, and the first cover 12 is covered in the original assembly. The opening of the first casing 11 can be further sealed with a waterproof glue between the periphery of the first cover 12 and the opening of the first casing 11.

The second housing group 20 has a second housing 21 and a second housing 22 . The second housing 21 is an open container. The second housing 21 has an opening on one end surface. The second housing 22 has an opening. a second cover 22 is disposed at the opening of the second housing 21, as shown in FIG. 3 at the same time, the second cover 22 is formed to form two mounting holes 222; the second cover The position of the second housing 21 is opposite to the position where the first cover 12 covers the first housing 11, and the positions of the two mounting holes 222 formed at the second cover 22 are respectively The second through hole 120 is formed at the position of the first cover 12, and in the specific embodiment of the present invention, the second cover 20 is a rectangular hexahedron. The cover 22 is disposed at the opening of the second housing 21, and can be further sealed with a waterproof glue between the periphery of the second cover 22 and the opening of the second housing 21.

Referring to FIG. 2 and FIG. 3, the spacers 30 are disposed between the first shell group 10 and the second shell group 20, and the spacers 30 are continuous wave-shaped plates having a plurality of a plurality of receptacles 31 on one side of the spacers 30 corresponding to the plurality of abutting portions 32 on the other side of the spacers 30, and the receptacles 31 and the abutting portions 32 spacers are formed on the spacers 30, and the spacers 30 are made of a moisture-proof material such as a magnesite board or a glass magnesium board; and the abutting portions 32 of the spacers 30 are opposite to the two sides. The inner wall surface of the first casing 11 and the outer wall surface of the second casing 21 and the side surfaces of the first cover 12 and the second cover 22 respectively, the receiving groove 31 and the first The housing 11 and the second housing 21 are formed in a plurality of small spaces, and the spacers 30 are formed at the corresponding through holes 120 of the first cover 12 and the mounting holes 222 of the second cover 22 . Two openings, in the specific embodiment of the present invention, the top abutting portion 32 of the spacers 30 may further be coated with an adhesive to bond the spacers 30 to the first shell group 10 and Group between the housing 20.

The battery pack 40 is disposed inside the second housing group 20, and the positive and negative terminals are disposed through the second housing group 20 to the first housing group 10, which has a plurality of batteries 41, two poles 42 and a plurality of The conductive wire 43, the complex signal wire 44 and the two fixing members 45 are arranged side by side. The two-pole bar 42 is an L-shaped conductive material, and is respectively electrically connected to the positive electrode and the negative electrode of the two cores 41. 411, the conductive wires 43 are electrically connected to the conductive portions 411 of the other cells 41 to the cells 41 of the poles 42. The fixing member 45 is a screw made of brass, and is connected thereto. The pole 42 has one end connected to the conductive portion 411 of the battery core 41 and the other end connected to the fixing member 45. The battery core group 40 is a prior art and will not be described herein; The mounting holes 222 of the second cover 22 and the spacers 30 are inserted into the through holes 120 and the coupling grooves 121 of the first cover 12 .

As shown in FIG. 3, the two connector groups 50 are selectively connected to the positive and negative ends of the battery core 40, and have a cover 51, a wire 52 and a conductive member 53. The cover 51 is provided. A hollow block is formed, and an opening is formed at one end of the cover body 51, and a joint portion 511 is formed at the open end. The one end of the conductive member 53 is connected to the inner wall surface of the cover body 51, and is electrically connected to the wire 52. The electrical connection of the connector set 50 is a prior art and will not be described herein. In the specific embodiment of the present invention, the joint portion 511 of the cover 51 is a hook-like structure, and the joint portion 511 of the cover 51 is used. An optional card is disposed on the coupling groove 121 of the first cover body 12, and the conductive member 53 is selectively abutted against the pole 42 of the battery core group 40.

Another embodiment of the present invention, as shown in FIG. 4 and FIG. 5, the present invention further has a filler 60, and the first shell group 10 further has a plurality of through holes 101 and a plurality of sealing members 102, the through holes The through hole 101 is formed on the wall surface of the first housing 11 and corresponding to the receiving groove 31 of the spacer plate 30 . The filler 60 is inserted into the receiving groove 31 of the spacer plate 30 and the first shell via the through hole 101 . a space formed by the wall of the body 11, the sealing member 102 is connected to the through hole 101 to close the through hole 101; the filler 60 is a reusable desiccant to absorb water molecules in the air, or the filling The substance 60 is nitrogen to eliminate the presence of air between the first casing 11 and the spacers 30, thereby avoiding the formation of water molecules in the air.

The through hole 101 is also formed in the first cover 12 and corresponding to the groove 31 of the spacer 30 to add the filler 60 between the first cover 12 and the cavity 31; Specifically, the sealing member 102 is threadedly coupled to the through hole 101. After the filling material 60 absorbs water molecules in the air and is condensed into water, the sealing member 102 can be removed to make the first shell group. 10 and the water collected by the partition plates 30 flow out through the through holes 101.

In another embodiment of the present invention, as shown in FIG. 6, the battery pack moisture-proof structure of the present invention further has a filler 60, and the first shell group 10 further has a plurality of through holes 101 and a plurality of joint members 103. The hole 101 is formed in the wall surface of the first casing 11 and corresponding to the groove 31 of the partition plate 30 . The filler 60 is received in the groove 31 of the spacer plate 30 and the first casing 11 . a space formed by the wall surface, specifically, the joint member 103 is a screw, and the partitioning plate 30 and the second casing 21 correspond to the through holes 101 of the first casing 11 respectively, and a coupling hole is formed respectively. The joint member 103 is sequentially threadedly coupled to the through hole 101 and the joint hole of the partition plate 30 and the second casing 21, and is connected through the joint member 103 to fix the first casing 11 and the partition plate 30. And the second housing 21; the filler 60 is a reusable desiccant or nitrogen.

In the present invention, the spacers 30 are disposed between the first housing group 10 and the second housing group 20, and the first housing is formed by the continuous wave-tooth shape of the spacers 30. 11 and the second housing 21, and the space between the first cover 12 and the second cover 22 is filled with the spacers 30 to reduce the space between the two. The water molecules of the air between the first shell group 10 and the second shell group 20 cannot be collected and collected, and at the same time, the partition plates 30 are moisture-proof materials that can absorb moisture, thereby improving the moisture of the battery core group 40, and The cover 51 of the connector set 50 is sealed at the through hole 121 of the first cover 12, thereby preventing outside water or liquid from entering the first set 10 and the second set 20, The creation of the through hole 101 may be further formed in the first housing 11 so as to fill the filling groove 31 of the spacer 30 through the through hole 101 through the through hole 101 for absorption. Moisture or the formation of water molecules is prevented to further improve the moisture of the cell 41.

The above description is only a preferred embodiment of the present invention, and does not impose any form limitation on the present invention. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the present creation, and has any technical field. A person skilled in the art can make some modifications or modifications to equivalent embodiments by using the above-disclosed technical contents without departing from the technical scope of the present invention. The technical essence of the creation Any simple modification, equivalent change and modification of the above embodiments are still within the scope of the technical solution of the present invention.

10‧‧‧First Shell Group
101‧‧‧through holes
102‧‧‧Blocking
11‧‧‧First housing
12‧‧‧First cover
120‧‧‧through hole
121‧‧‧ Combination slot
103‧‧‧Connected parts
20‧‧‧Second shell group
21‧‧‧ second housing
22‧‧‧Second cover
222‧‧‧ mounting holes
30‧‧‧ Spacer
31‧‧‧容沟
32‧‧‧Abutment
40‧‧‧ batteries group
41‧‧‧ batteries
411‧‧‧Electrical Department
42‧‧‧Great
43‧‧‧Flexible wire
44‧‧‧Signal line
45‧‧‧Fixed parts
50‧‧‧Connector group
51‧‧‧ Cover
511‧‧‧Combination Department
52‧‧‧ wiring
53‧‧‧Transmission parts
60‧‧‧Filling

Figure 1 is a perspective view of the creation of the present invention. Figure 2 is a cross-sectional view of the creation. 3 is a partial cross-sectional view of the assembled battery core and connector set. Figure 4 is a perspective view of another embodiment of the present invention. Figure 5 is a partial cross-sectional view of another embodiment of the present invention. Figure 6 is a partial cross-sectional view showing still another embodiment of the creation.

10‧‧‧First Shell Group

11‧‧‧First housing

12‧‧‧First cover

20‧‧‧Second shell group

21‧‧‧ second housing

22‧‧‧Second cover

30‧‧‧ Spacer

31‧‧‧容沟

32‧‧‧Abutment

40‧‧‧ batteries group

51‧‧‧ Cover

52‧‧‧ wiring

Claims (12)

A moisture-proof structure for a battery pack, comprising: a first shell group, a second shell group, a plurality of partition plates, a battery core group and a second connector group; the first shell group and the second shell group are respectively hollow a casing, the second casing is assembled inside the first casing group, and a distance is formed between the first casing group and the second casing group, and the battery core is assembled inside the second casing group, and the casing is assembled The positive and negative ends of the battery group pass through the second shell group to the first shell group; the spacer plates are disposed between the first shell group and the second shell group; the two connector groups are selectable The two connector groups are respectively connected to the positive and negative ends of the battery core group, and the two connector groups respectively have a cover body, the cover system is a hollow block, and the cover body forms an opening at one end thereof, and protrudes at the open end to form a joint portion. The joint of the cover is selectively connectable to the first set of shells. The moisture-proof structure for a battery pack according to claim 1, wherein the spacers are continuous wave-toothed plates having a plurality of pockets and a plurality of abutting portions, and a plurality of pockets on one side of the spacers Corresponding to the plurality of abutting portions of the other side of the spacer, and the receiving groove and the abutting portion are formed at intervals on the spacers, and the abutting portions of the spacers abut against the opposite sides of the spacers respectively The inner wall surface of the first shell group and the outer wall surface of the second shell group are separated from the wall surfaces of the first shell group and the second shell group to form a plurality of small spaces. The moisture-proof structure for a battery pack according to claim 2, wherein the first housing group has a first housing and a first cover, the first housing is an open container, and the first housing is The first cover system is a plate body, and the first cover body is disposed at an opening of the first cover body. The first cover body forms a joint groove on one side, and is worn at a corresponding joint groove. Forming a through hole; the second casing group has a second casing and a second cover body, the second casing is an open type container, the second casing has an opening on one end surface thereof, and the second cover system is a plate a second cover body is disposed at an opening of the second housing, the second cover body is formed to form two mounting holes, and the second cover body covers the second housing to correspond to the first cover The body is disposed at a position of the first casing, and the two mounting holes are formed at positions of the second cover body corresponding to the two through holes formed at the position of the first cover body; The top abutting portions of the two sides respectively abut against the inner wall surface of the first casing and the outer wall surface of the second casing, and The plurality of small spaces are formed apart from the first housing and the second housing, and the spacers are corresponding to the first cover and the second cover. The through hole of the first cover body and the coupling groove of the second cover body form two openings; the joint portion of the cover body of the connector set is a hook structure, and the joint portion is selectively latched on the first cover The combined groove of the body. The moisture-proof structure for a battery pack according to claim 3, wherein the battery core group has a plurality of cells, a two-pole bar, a plurality of conductive wires, a plurality of signal wires, and two fixing members; the plurality of cells are juxtaposed, the electricity The core has two conductive portions; the two-pole bar is an L-shaped conductive material, and is respectively combined with the conductive portions of the positive electrode and the negative electrode of the two batteries; the conductive wire is electrically connected to the conductive portion of the other battery core to bond the pole The fixing member is a screw made of brass material connected to the pole; the signal wire is connected at one end to the conductive portion of the battery core, and the other end is connected to the fixing member; The mounting hole of the second cover body and the spacer plate are sequentially disposed to the through hole of the first cover body and the coupling groove; the connector set further has a wire and a conductive member; the one end of the conductive member Connected to the inner wall surface of the cover body and electrically connected to the wire, the conductive member can be selectively abutted against the pole of the battery core group. The moisture-proof structure for a battery pack according to claim 4, wherein the spacer is made of a moisture-proof material such as a magnesite board or a glass magnesium board. The moisture-proof structure for a battery pack according to any one of claims 2 to 5, further comprising a plurality of fillers; the first shell group further having a plurality of through holes and a plurality of sealing members, the through holes being formed through the first a wall of a shell group corresponding to the groove of the partition plate; the filler is added to the space formed by the groove of the partition plate and the inner wall surface of the first shell group through the through hole, and the sealing member is connected The through hole is closed to close the through hole. The moisture-proof structure for a battery pack according to claim 6, wherein the through hole of the first shell group is formed through the first cover body and corresponds to the groove of the spacer plate to join the filler The first cover body and the receiving groove; the sealing member is threadedly coupled to the through hole. A moisture-proof structure for a battery pack according to claim 7, wherein the filler is a reusable desiccant. The moisture-proof structure for a battery pack according to claim 8, wherein the top abutting portion of the spacers is further coated with an adhesive so that the spacers are glued between the first shell group and the second shell group. . A moisture-proof structure for a battery pack according to claim 7, wherein the filler is nitrogen. The moisture-proof structure for a battery pack according to claim 10, wherein the top abutting portion of the spacers is further coated with an adhesive, and the spacers are glued between the first shell group and the second shell group. . The moisture-proof structure for a battery pack according to any one of claims 3 to 5, further comprising a filler; the first shell group further has a plurality of through holes and a plurality of coupling members, the through holes being formed through the first shell a wall of the body, and corresponding to the groove of the spacers, the filler is disposed in a space formed by the groove of the spacer plate and the wall surface of the first casing, the coupling member is a screw; the spacer plate and the spacer The second housing is corresponding to the through hole of the first housing, and a coupling hole is formed respectively. The coupling member is sequentially threadedly coupled to the through hole of the first shell group, the partition plate and the second housing. The coupling hole is fixed to the first housing, the partition plate and the second housing through the connection of the bonding member; the filler is a reusable desiccant or nitrogen gas.