CN216213763U - Intelligent protection device based on electric motor car lithium cell - Google Patents
Intelligent protection device based on electric motor car lithium cell Download PDFInfo
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- CN216213763U CN216213763U CN202122669529.0U CN202122669529U CN216213763U CN 216213763 U CN216213763 U CN 216213763U CN 202122669529 U CN202122669529 U CN 202122669529U CN 216213763 U CN216213763 U CN 216213763U
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- lithium battery
- protection device
- terminal
- intelligent protection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an intelligent protection device based on an electric vehicle lithium battery, which comprises a detachable lithium battery main body, and further comprises a U-shaped structure base, a positive terminal wiring part, a negative terminal wiring part, a ground terminal wiring part and a base end cover which are assembled together. The U-shaped structure base of the intelligent protection device can effectively protect the lower part of the lithium battery main body. Lithium cell main part lateral part is provided with concave-convex structure's raised grain, accomodates the ripple piece that the intracavity left and right sides was provided with and raised grain joint at the lithium cell of electric motor car, prevents that lithium cell main part from rocking, and then makes lithium cell main part output stable.
Description
Technical Field
The utility model relates to a lithium battery for an electric vehicle, in particular to an intelligent protection device based on the lithium battery for the electric vehicle.
Background
A lithium battery is a battery using a nonaqueous electrolyte solution and lithium metal or a lithium alloy as a negative electrode material, and therefore such a battery is also called a lithium metal battery. Unlike other batteries, lithium batteries have the characteristics of high charge density, long service life, high unit cost and the like; the interior of the lithium battery is very fragile and is very easy to damage when being collided and extruded, so that a protection device is needed to protect the lithium battery body; but present lithium cell protection device can not effectual fixed lithium cell body, leads to the lithium cell to rock the damage in the protective housing the inside, and the practicality is short of.
In view of this, it is necessary to protect the lithium battery so that the lithium battery can stably operate.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an intelligent protection device based on a lithium battery of an electric vehicle, and the intelligent protection device is designed to protect the lithium battery.
In order to solve the technical problem, the utility model is realized by the following scheme: the utility model discloses an intelligent protection device based on a lithium battery of an electric vehicle, which comprises a detachable lithium battery main body, and the intelligent protection device also comprises:
a U-shaped structural base, wherein one end of the U-shaped structural base is provided with an installation groove surface, three terminal holes are arranged on the bottom surface of the U-shaped groove and in the area of the installation groove surface, the lithium battery body is accommodated in the U-shaped groove of the U-shaped structural base, and three terminals at the lower end of the lithium battery body enter the three terminal holes;
the positive terminal wiring part is arranged in a left groove of the mounting groove surface, an anode terminal led out by the positive terminal wiring part extends to the left terminal hole of the three terminal holes, and the anode terminal led out by the positive terminal wiring part can be in abutting connection with an anode terminal of the lithium battery main body;
the negative terminal wiring part is arranged in the right groove of the mounting groove surface, a cathode terminal led out by the negative terminal wiring part extends to the right terminal hole of the three terminal holes, and the cathode terminal led out by the negative terminal wiring part can be in abutting connection with the cathode terminal of the lithium battery main body;
the ground terminal wiring part is arranged in the middle groove of the mounting groove surface, and a ground terminal of the ground terminal wiring part is in abutting connection with a ground terminal of the lithium battery main body;
the base end cap is of a U-shaped structure and is connected to the mounting groove surface in a covering mode and forms a waterproof structure with the mounting groove surface.
Furthermore, the U-shaped structural base is made of explosion-proof materials.
Furthermore, the U-shaped base is made of heat dissipation material.
Furthermore, the upper end of the base of the U-shaped structure is provided with a through hole for allowing a screwdriver to pass through.
Furthermore, one side part of the U-shaped structure base is provided with a power supply wire inlet hole.
Furthermore, the U-shaped structure base is also provided with a bottom groove communicated with the mounting groove surface, a main control PCB is mounted in the bottom groove, and the main control PCB is respectively connected with the positive terminal wiring part, the negative terminal wiring part and the ground terminal wiring part through cables.
Furthermore, a temperature sensor electrically connected with the main control PCB is arranged in the bottom groove.
Furthermore, the four edges of the top surface of the lithium battery main body form a mouth-shaped step groove, and two rotatable handles are mounted on the mouth-shaped step groove.
Furthermore, the two side parts of the U-shaped groove of the lithium battery body, which do not enter the U-shaped structure base, are provided with raised grains with a concave-convex structure.
Compared with the prior art, the utility model has the beneficial effects that: the U-shaped structure base of the intelligent protection device can effectively protect the lower part of the lithium battery main body.
Lithium cell main part lateral part is provided with concave-convex structure's raised grain, accomodates the ripple piece that the intracavity left and right sides was provided with and raised grain joint at the lithium cell of electric motor car, prevents that lithium cell main part from rocking, and then makes lithium cell main part output stable.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent protection device of the present invention.
Fig. 2 is a schematic diagram of a circuit structure in a mounting groove surface of the intelligent protection device of the utility model.
FIG. 3 is a schematic diagram of a structure of a corrugated block according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and thus the protection scope of the present invention is more clearly and clearly defined. It should be apparent that the described embodiments of the present invention are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1, the specific structure of the present invention is as follows:
referring to fig. 1-2, the intelligent protection device based on the lithium battery of the electric vehicle comprises a detachable lithium battery main body 1, wherein the whole intelligent protection device is arranged in a lithium battery installation shell, and the lithium battery installation shell is an explosion-proof shell and is of a waterproof structure.
The intelligent protection device further comprises:
a U-shaped structural base 3, wherein one end of the U-shaped structural base 3 is provided with an installation groove surface, three terminal holes are arranged on the bottom surface of the U-shaped groove and in the area of the installation groove surface, the lithium battery body 1 is accommodated in the U-shaped groove of the U-shaped structural base 3, and three terminals at the lower end of the lithium battery body enter the three terminal holes;
the positive terminal wiring part 35 is installed in a left groove of the installation groove surface, an anode terminal led out by the positive terminal wiring part 35 extends to a left terminal hole of the three terminal holes, and the anode terminal led out by the positive terminal wiring part 35 can be in abutting connection with an anode terminal of the lithium battery main body 1;
a negative terminal wiring portion 37 installed in the right groove of the installation groove surface, wherein a cathode terminal led out from the negative terminal wiring portion 37 extends to a right terminal hole of the three terminal holes and the cathode terminal led out from the negative terminal wiring portion 37 can be in interference connection with the cathode terminal of the lithium battery main body 1;
the ground terminal wiring part is arranged in the middle groove of the mounting groove surface, and a ground terminal of the ground terminal wiring part is in abutting connection with a ground terminal of the lithium battery main body 1;
the base end cap 32 is of a U-shaped structure and is connected to the mounting groove surface to form a waterproof structure with the mounting groove surface.
A preferred technical solution of this embodiment: the U-shaped structural base 3 is made of an explosion-proof material.
A preferred technical solution of this embodiment: the U-shaped structural base 3 is made of heat dissipation materials.
A preferred technical solution of this embodiment: the upper end of the U-shaped structural base 3 is provided with a through hole 33 allowing a screwdriver to pass through, and the screwdriver screws or loosens the screws through the through hole 33 because the positive terminal wiring part 35 and the negative terminal wiring part 37 are connected through screws. The via hole 33 is covered with a waterproof rubber cover.
A preferred technical solution of this embodiment: one side part of the U-shaped structure base 3 is provided with a power supply inlet hole 31, the power supply inlet hole 31 is used for a power supply wire to enter, and the power supply wire is sleeved with a waterproof sleeve which is fixed in the power supply inlet hole 31.
A preferred technical solution of this embodiment: u-shaped base 3 has a bottom groove communicated with the surface of the mounting groove, a main control PCB 34 is mounted in the bottom groove, and the main control PCB 34 is connected with the positive terminal connection part 35, the negative terminal connection part 37 and the ground terminal connection part through cables. The main control PCB 34 is provided with a charging circuit, a discharging circuit, a collision alarm circuit, a high temperature early warning control circuit, an LED lamp control circuit, a motor driving circuit, etc.
A preferred technical solution of this embodiment: and a temperature sensor 36 electrically connected with the main control PCB 34 is also arranged in the bottom groove. When the temperature sensor 36 senses a high temperature during the charging state of the lithium battery main body 1, the high temperature may burn out the lithium battery main body 1 or cause a fire. The temperature sensor 36 will send a signal to the master PCB 34, and the master PCB 34 will control the charging circuit to be disconnected.
A preferred technical solution of this embodiment: the lithium battery is characterized in that four edges of the top surface of the lithium battery main body 1 form a mouth-shaped step groove, two rotatable handles 11 are installed on the mouth-shaped step groove, and the handles 11 are of a hidden structure and are hidden in the step groove when not in use.
A preferred technical solution of this embodiment: the two side parts of the U-shaped groove of the lithium battery body 1, which do not enter the U-shaped structure base 3, are provided with raised grains with a concave-convex structure. As shown in fig. 2-3, after the intelligent protection device of the present invention is fixed in a lithium battery installation shell, a gap is formed between an upper region of a lithium battery main body 1 and the lithium battery installation shell, two corrugated blocks 2 are fixed at the gap, and concave-convex grooves matched with the corrugations to form a clamping structure are formed on opposite side surfaces of the two corrugated blocks 2. After the lithium battery main body 1 is arranged in the U-shaped structure base 3, the lithium battery main body 1 is limited by the concave-convex groove, and then the lithium battery main body 1 does not shake. Therefore, the lithium battery main body 1 has stable output.
In summary, the U-shaped structure of the intelligent protection device of the present invention can effectively protect the lower portion of the lithium battery main body. Lithium cell main part lateral part is provided with concave-convex structure's raised grain, accomodates the ripple piece that the intracavity left and right sides was provided with and raised grain joint at the lithium cell of electric motor car, prevents that lithium cell main part from rocking, and then makes lithium cell main part output stable.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides an intelligent protection device based on electric motor car lithium cell, includes detachable lithium cell main part (1), its characterized in that, intelligent protection device still includes:
a U-shaped structural base (3), wherein one end of the U-shaped structural base (3) is provided with an installation groove surface, three terminal holes are arranged on the bottom surface of the U-shaped groove and in the area of the installation groove surface, the lithium battery body (1) is accommodated in the U-shaped groove of the U-shaped structural base (3), and three terminals at the lower end of the lithium battery body enter the three terminal holes;
the positive terminal wiring part (35) is mounted in a left groove of the mounting groove surface, an anode terminal led out from the positive terminal wiring part (35) extends to the left terminal hole of the three terminal holes, and the anode terminal led out from the positive terminal wiring part (35) can be in interference connection with the anode terminal of the lithium battery main body (1);
the negative terminal wiring part (37) is arranged in the right groove of the mounting groove surface, a cathode terminal led out by the negative terminal wiring part (37) extends to the right terminal hole of the three terminal holes, and the cathode terminal led out by the negative terminal wiring part (37) can be in interference connection with the cathode terminal of the lithium battery main body (1);
the ground terminal wiring part is arranged in the middle groove of the mounting groove surface, and a ground terminal of the ground terminal wiring part is in abutting connection with a ground terminal of the lithium battery main body (1);
and the base end cover (32) is of a U-shaped structure, is connected to the mounting groove surface in a covering mode and forms a waterproof structure with the mounting groove surface.
2. The intelligent protection device based on the lithium battery of the electric vehicle as claimed in claim 1, wherein the U-shaped structural base (3) is made of explosion-proof material.
3. The intelligent protection device based on the lithium battery of the electric vehicle as claimed in claim 1, wherein the U-shaped structural base (3) is made of heat dissipation material.
4. The intelligent protection device based on the lithium battery of the electric vehicle as claimed in claim 1, wherein the U-shaped structure base (3) is provided with a through hole (33) at the upper end for allowing a screwdriver to pass through.
5. The intelligent protection device based on the lithium battery of the electric vehicle as claimed in claim 1, wherein a power wire inlet hole (31) is formed at one side of the U-shaped structural base (3).
6. The intelligent protection device based on the lithium battery of the electric vehicle as claimed in claim 1, wherein the U-shaped structure base (3) is further provided with a bottom groove communicated with the mounting groove surface, a main control PCB (34) is mounted in the bottom groove, and the main control PCB (34) is respectively connected with the positive terminal connection portion (35), the negative terminal connection portion (37) and the ground terminal connection portion through cables.
7. The intelligent protection device based on the lithium battery of the electric vehicle as claimed in claim 6, wherein a temperature sensor (36) electrically connected with the main control PCB (34) is further arranged in the bottom groove.
8. The intelligent protection device based on the lithium battery of the electric vehicle as claimed in claim 1, wherein the four edges of the top surface of the lithium battery main body (1) form a mouth-shaped step groove, and two rotatable handles (11) are installed on the mouth-shaped step groove.
9. The intelligent protection device based on the lithium battery of the electric vehicle as claimed in claim 1, wherein the two sides of the lithium battery body (1) that do not enter the u-shaped groove of the u-shaped structural base (3) are provided with raised grains of a concave-convex structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122669529.0U CN216213763U (en) | 2021-11-03 | 2021-11-03 | Intelligent protection device based on electric motor car lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122669529.0U CN216213763U (en) | 2021-11-03 | 2021-11-03 | Intelligent protection device based on electric motor car lithium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216213763U true CN216213763U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122669529.0U Active CN216213763U (en) | 2021-11-03 | 2021-11-03 | Intelligent protection device based on electric motor car lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216213763U (en) |
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2021
- 2021-11-03 CN CN202122669529.0U patent/CN216213763U/en active Active
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