Self-protection storage battery for electric automobile

Abstract

The invention discloses a self-protection storage battery for an electric automobile, and belongs to the technical field of self-protection storage batteries for electric automobiles, the self-protection storage battery comprises a battery, a mounting groove, a moving mechanism, a bidirectional pressing mechanism and a wind power adjusting mechanism, the battery is slidably mounted on the mounting groove, and the moving mechanism comprises four moving rods, two first connecting rods, two second connecting rods and a supporting assembly; the first connecting rod is fixedly connected with the moving rod; the bidirectional pressing mechanism comprises a first groove rod, a second groove rod, an upper pressing assembly and a lower pressing assembly, the first groove rod is connected with the lower pressing assembly, the second groove rod is connected with the upper pressing assembly, the first groove rod and the second groove rod are both fixedly installed on the side face of the installation groove, and the upper pressing assembly and the lower pressing assembly are both connected with the battery; the wind power adjusting mechanism comprises a fan, a first slide rheostat, a second slide rheostat, a first driving assembly and a second driving assembly, the position of the battery is automatically limited, and therefore bumping of the battery is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of self-protection storage batteries for electric vehicles, and in particular discloses a self-protection storage battery for electric vehicles. Background Art

[0002] As the world pays more attention to environmental protection and sustainable development, electric vehicles (EVs) are rapidly gaining popularity as a clean means of transportation. One of the core components of electric vehicles is the battery, whose performance directly affects the vehicle's range, safety, and service life. In order to improve the overall safety and reliability of electric vehicles, researchers and engineers have begun to explore self-protection battery technology to address safety risks that may arise in different usage environments and conditions.

[0003] The technology of batteries for electric vehicles has gone through several stages of development. From the earliest lead-acid batteries to the widely used lithium-ion batteries today, technological advances have significantly improved the energy density, charging speed and service life of batteries. However, with the development of battery technology, safety issues have gradually become prominent, especially in extreme temperatures, overcharging, short circuits and other conditions, batteries are prone to thermal runaway, combustion or explosion and other dangers.

[0004] Self-protection batteries for electric vehicles are an inevitable trend in the development of modern electric vehicle technology, providing strong support for improving the safety and user experience of electric vehicles. With the advancement of technology and the reduction of costs, self-protection batteries will play an increasingly important role in electric vehicles and other application fields, providing guarantees for the realization of sustainable transportation and clean energy.

[0005] The patent with publication number CN117559052A discloses an electric bicycle battery protection device. The technical solution of the patent is: it includes a rain shield, the rain shield is used to shield the battery from rain, the rain shield is provided with a heat dissipation device, the heat dissipation device is used to dissipate heat from the battery when the battery temperature is too high, and the heat dissipation device is provided with a heating device, the heating device is used to heat the battery at low temperatures. However, the patent fixes the battery in one place, which may cause damage to the battery when passing on a bumpy road. Therefore, a self-protection battery for electric vehicles is invented to address this defect. Summary of the invention

[0006] In response to the above technical problems, the technical solution adopted by the present invention is: a self-protection battery for electric vehicles, including a battery, a mounting slot, a moving mechanism, a bidirectional pressing mechanism and a wind force adjustment mechanism, the battery is slidably installed on the mounting slot, the moving mechanism includes four moving rods, two first connecting rods, two second connecting rods and a support assembly, each moving rod is respectively connected to a support assembly, the two first connecting rods are respectively connected to the two moving rods, the two second connecting rods are respectively connected to the two moving rods, the first connecting rod is fixedly installed below the second connecting rod, and the first connecting rod is fixedly connected to the moving rod.

[0007] The bidirectional pressing mechanism includes a first slot rod, a second slot rod, an upper pressing assembly and a lower pressing assembly. The first slot rod is connected to the lower pressing assembly, the second slot rod is connected to the upper pressing assembly, the first slot rod and the second slot rod are both fixedly mounted on the side of the mounting slot, and the upper pressing assembly and the lower pressing assembly are both connected to the battery.

[0008] The wind force regulating mechanism includes a fan, a first sliding rheostat, a second sliding rheostat, a first driving assembly and a second driving assembly. The first sliding rheostat and the second sliding rheostat are both connected to the current comparison circuit, the current comparison circuit is electrically connected to the fan, the first sliding rheostat is connected to the first driving assembly, the second sliding rheostat is connected to the second driving assembly, the first driving assembly is respectively connected to the lower pressing assembly, and the second driving assembly is connected to the upper pressing assembly.

[0009] Furthermore, the supporting assembly includes a spring, one end of which is fixedly mounted on the outer surface of the moving rod, and the other end of the spring is fixedly mounted on the lower side of the mounting groove, a second connecting block is mounted on the side of each first connecting rod, a second connecting rod is rotatably mounted on the outer surface of the second connecting block, the second connecting rod is connected to the lower pressing assembly, a first connecting block is fixedly mounted on the side of the second connecting rod, a first connecting rod is rotatably mounted on the outer surface of the first connecting block, and the first connecting rod is connected to the upper pressing assembly.

[0010] Furthermore, a first sliding groove is provided on the side of the first slot rod, and the lower pressing assembly includes a first sliding block, a third connecting block is fixedly installed on the lower side of the first sliding block, the third connecting block is rotatably connected to the second connecting rod, a first connecting shaft is fixedly installed on the side of the first sliding block, a fourth connecting rod is rotatably installed on the outer surface of the first connecting shaft, the second connecting shaft is rotatably installed on the end of the fourth connecting rod away from the first connecting shaft, a fifth connecting rod is fixedly installed on the side of the second connecting shaft, the third connecting shaft is rotatably installed on the side of the fifth connecting rod, a vertical plate is fixedly installed on the side of the third connecting shaft, and the vertical plate is fixedly installed on the upper side of the first slot rod.

[0011] Furthermore, a first support rod is fixedly installed on the first slot rod, a first vertical slide groove is arranged on the side of the first support rod, a second pressure block is slidably installed on the inner wall of the first vertical slide groove, a sixth connecting shaft is rotatably installed on the side of the second pressure block, and the sixth connecting shaft is rotatably connected to the fifth connecting rod.

[0012] Furthermore, a second slide groove is arranged on the side of the second slot rod, a second slider is slidably installed on the inner wall of the second slide groove, a fourth connecting block is fixedly installed on the lower side of the second slider, and the fourth connecting block is rotatably connected to the first connecting rod.

[0013] Furthermore, the lower pressing assembly includes a third connecting rod, which is rotatably connected to the second sliding block, a second support rod is fixedly installed on the upper side of the second slot rod, a second vertical slide groove is arranged on the side of the second support rod, a first pressure block is slidably installed on the inner wall of the second vertical slide groove, and the first pressure block is rotatably connected to the third connecting rod.

[0014] Furthermore, a first support rod is fixedly installed on the upper side of the first slot rod, an upper plate is fixedly installed on the upper side of the first support rod, a fan is installed on the upper plate, a first sliding rheostat and a second sliding rheostat are fixedly installed on the upper plate, the first driving component includes a fourth slot rod, a fourth slide groove is arranged on the side of the fourth slot rod, a second moving rod is slidably installed on the inner wall of the fourth slide groove, a support plate is fixedly installed on the lower side of the second moving rod, the support plate is fixedly connected to the first sliding block, a second driving shaft is fixedly installed on the second moving rod, a fourth connecting rod is rotatably installed on the outer surface of the second driving shaft, a fourth sliding block is rotatably installed on the end of the fourth connecting rod away from the second driving shaft, and the fourth sliding block is fixedly connected to the sliding part of the second sliding rheostat.

[0015] Furthermore, the first driving component includes a third slot rod, a third slide groove is arranged on the side of the third slot rod, a first moving rod is slidably installed on the inner wall of the third slide groove, the first moving rod is fixedly connected to the second slider, a first driving shaft is fixedly installed on the first moving rod, a third connecting rod is rotatably installed on the outer surface of the first driving shaft, a third slider is rotatably installed on the end of the third connecting rod away from the first driving shaft, and the third slider is fixedly connected to the sliding part of the first sliding resistor.

[0016] Furthermore, the resistance value of the first sliding resistor gradually increases in a direction away from the second sliding resistor.

[0017] Furthermore, the resistance value of the second sliding resistor gradually decreases in a direction away from the first sliding resistor.

[0018] Compared with the prior art, the present invention has the following advantages: (1) the present invention can automatically limit the position of the battery, thereby preventing the battery from being shaken; (2) the present invention can maintain an elastic connection, thereby preventing damage to the battery when passing through bumpy roads; (3) the present invention can adjust the fan force according to the bumpy conditions, thereby preventing the battery from exploding due to excessive temperature during the bumpy process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 It is a schematic diagram of the structure of the bidirectional pressing mechanism of the present invention.

[0021] Figure 3 for Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0022] Figure 4 It is a schematic diagram of the position relationship between the first support rod and the second support rod of the present invention.

[0023] Figure 5 for Figure 4 Schematic diagram of the local enlarged structure at point B in the middle.

[0024] Figure 6 for Figure 4 Schematic diagram of the partial enlarged structure at point C in the middle.

[0025] Figure 7 It is a schematic diagram of the structure of the wind force regulating mechanism of the present invention.

[0026] Figure 8 for Figure 7 Schematic diagram of the local enlarged structure at point D in the middle.

[0027] Fig. 9 for Figure 7 Schematic diagram of the local enlarged structure at point E in the middle.

[0028] Figure numerals: 1-battery; 2-mounting slot; 3-moving mechanism; 4-bidirectional pressing mechanism; 5-wind force adjustment mechanism; 301-moving rod; 302-first connecting rod; 303-spring; 304-second connecting rod; 305-first connecting block; 306-first connecting rod; 307-second connecting block; 308-second connecting rod; 401-first slot rod; 402-support plate; 403-first slide groove; 404-third connecting block; 405-first slider; 406-first support rod; 407-first vertical slide groove; 408-second support rod; 409-second slot rod; 410-second slide groove; 411-second slider; 412-fourth connecting block; 413-second vertical slide groove; 414- The first pressure block; 415-the third connecting rod; 416-the first connecting shaft; 417-the fourth connecting rod; 418-the second connecting shaft; 419-the vertical plate; 420-the fifth connecting rod; 421-the third connecting shaft; 422-the sixth connecting shaft; 423-the second pressure block; 501-the upper plate; 502-the fan; 503-the third slot rod; 504-the third slide groove; 505-the first moving rod; 506-the first driving shaft; 507-the third connecting rod; 508-the first sliding resistor; 509-the third sliding block; 510-the second moving rod; 511-the fourth slot rod; 512-the fourth slide groove; 513-the second driving shaft; 514-the fourth connecting rod; 515-the second sliding resistor; 516-the fourth sliding block. DETAILED DESCRIPTION

[0029] As attached Figure 1 ~Attached Fig. 9 As shown, the battery 1 is slidably installed on the installation groove 2, the moving mechanism 3 includes four moving rods 301, two first connecting rods 302, two second connecting rods 304 and a supporting assembly, each moving rod 301 is connected to a supporting assembly, the two first connecting rods 302 are connected to the two moving rods 301, the two second connecting rods 304 are connected to the two moving rods 301, the first connecting rod 302 is fixedly installed below the second connecting rod 304, and the first connecting rod 302 is fixedly connected to the moving rod 301; the two-way pressing mechanism 4 includes a first slot rod 401, a second slot rod 409, an upper pressing assembly and a lower pressing assembly, the first slot rod 401 is connected to the lower pressing assembly, the second slot rod 409 is connected to the upper pressing assembly, the first slot rod 401 and the second slot rod 409 are both fixedly mounted on the side of the mounting slot 2, and the upper pressing assembly and the lower pressing assembly are both connected to the battery 1; the wind force regulating mechanism 5 includes a fan 502, a first sliding rheostat 508, a second sliding rheostat 515, a first driving assembly and a second driving assembly, the first sliding rheostat 508 and the second sliding rheostat 515 are both connected to the current comparison circuit, the current comparison circuit is electrically connected to the fan 502, the first sliding rheostat 508 is connected to the first driving assembly, the second sliding rheostat 515 is connected to the second driving assembly, the first driving assembly is respectively connected to the lower pressing assembly, and the second driving assembly is connected to the upper pressing assembly.

[0030] As attached Figure 2 ~Attached Figure 7 As shown, the support assembly includes a spring 303, one end of the spring 303 is fixedly mounted on the outer surface of the moving rod 301, and the other end of the spring 303 is fixedly mounted on the lower side of the mounting groove 2, a second connecting block 307 is mounted on the side of each first connecting rod 302, a second connecting rod 308 is rotatably mounted on the outer surface of the second connecting block 307, the second connecting rod 308 is connected to the lower pressing assembly, a first connecting block 305 is fixedly mounted on the side of the second connecting rod 304, a first connecting rod 306 is rotatably mounted on the outer surface of the first connecting block 305, and the first connecting rod 306 is connected to the upper pressing assembly.

[0031] As attached Figure 3 ~Attached Figure 8As shown, a first slide groove 403 is provided on the side of the first slot rod 401, and a lower pressing assembly includes a first slider 405, a third connecting block 404 is fixedly installed on the lower side of the first slider 405, and the third connecting block 404 is rotatably connected to the second connecting rod 308, a first connecting shaft 416 is fixedly installed on the side of the first slider 405, a fourth connecting rod 417 is rotatably installed on the outer surface of the first connecting shaft 416, and a second connecting shaft 418 is rotatably installed on the end of the fourth connecting rod 417 away from the first connecting shaft 416, a fifth connecting rod 420 is fixedly installed on the side of the second connecting shaft 418, and a third connecting shaft 421 is rotatably installed on the side of the fifth connecting rod 420, and a vertical plate 419 is fixedly installed on the side of the third connecting shaft 421, and the vertical plate 419 is fixedly installed on the upper side of the first slot rod 401; a first support rod 406 is fixedly installed on the first slot rod 401, and a first support rod 406 is provided on the side. Vertical slide groove 407, a second pressure block 423 is slidably installed on the inner wall of the first vertical slide groove 407, and a sixth connecting shaft 422 is rotatably installed on the side of the second pressure block 423, and the sixth connecting shaft 422 is rotatably connected to the fifth connecting rod 420; a second slide groove 410 is provided on the side of the second slot rod 409, and a second slider 411 is slidably installed on the inner wall of the second slide groove 410, and a fourth connecting block 412 is fixedly installed on the lower side of the second slider 411, and the fourth connecting block 412 is rotatably connected to the first connecting rod 306; the lower pressing assembly includes a third connecting rod 415, and the third connecting rod 415 is rotatably connected to the second slider 411, a second support rod 408 is fixedly installed on the upper side of the second slot rod 409, and a second vertical slide groove 413 is provided on the side of the second support rod 408, and a first pressure block 414 is slidably installed on the inner wall of the second vertical slide groove 413, and the first pressure block 414 is rotatably connected to the third connecting rod 415.

[0032] As attached Figure 4 ~Attached Fig. 9As shown, a first support rod 406 is fixedly installed on the upper side of the first slot rod 401, an upper plate 501 is fixedly installed on the upper side of the first support rod 406, a fan 502 is installed on the upper plate 501, a first sliding rheostat 508 and a second sliding rheostat 515 are fixedly installed on the upper plate 501, a first driving component includes a fourth slot rod 511, a fourth slide groove 512 is arranged on the side of the fourth slot rod 511, a second moving rod 510 is slidably installed on the inner wall of the fourth slide groove 512, a support plate 402 is fixedly installed on the lower side of the second moving rod 510, the support plate 402 is fixedly connected to the first slider 405, a second driving shaft 513 is fixedly installed on the second moving rod 510, a fourth connecting rod 514 is rotatably installed on the outer surface of the second driving shaft 513, a fourth slider 516 is rotatably installed on the end of the fourth connecting rod 514 away from the second driving shaft 513, and a fourth slider 516 is rotatably installed on the end of the fourth connecting rod 514 away from the second driving shaft 513. Block 516 is fixedly connected to the sliding part of the second sliding rheostat 515; the first driving component includes a third slot rod 503, a third slide groove 504 is arranged on the side of the third slot rod 503, a first moving rod 505 is slidably installed on the inner wall of the third slide groove 504, the first moving rod 505 is fixedly connected to the second slider 411, a first driving shaft 506 is fixedly installed on the first moving rod 505, a third connecting rod 507 is rotatably installed on the outer surface of the first driving shaft 506, a third slider 509 is rotatably installed on the end of the third connecting rod 507 away from the first driving shaft 506, and the third slider 509 is fixedly connected to the sliding part of the first sliding rheostat 508; the resistance value of the first sliding rheostat 508 gradually increases along the direction away from the second sliding rheostat 515; the resistance value of the second sliding rheostat 515 gradually decreases along the direction away from the first sliding rheostat 508.

[0033] The working principle of the present invention is as follows.

[0034] (i) Battery 1 presses the moving rod 301. When the battery 1 rises due to a bumpy road section, the battery 1 drives the first connecting block 305 to rise through the moving rod 301. The first connecting block 305 drives the fourth connecting block 412 to move through the first connecting rod 306. The fourth connecting block 412 drives the second slider 411 to slide along the inner wall of the second slide groove 410. The second slider 411 drives the third connecting rod 415 to move. The third connecting rod 415 drives the first pressing block 414 to slide along the inner wall of the second vertical slide groove 413, thereby pressing the battery 1 through the first pressing block 414.

[0035] (ii) When the battery 1 drops due to a bumpy road section, the battery 1 drives the second connecting block 307 to drop through the moving rod 301, the second connecting block 307 drives the first slider 405 to slide along the first slide groove 403 through the second connecting rod 308, the first slider 405 drives the fourth connecting rod 417 to move through the first support rod 406, the fourth connecting rod 417 drives the fifth connecting rod 420 to rotate around the third connecting axis 421 through the second connecting shaft 418, the fifth connecting rod 420 drives the second pressing block 423 to slide downward along the inner wall of the first vertical slide groove 407 through the sixth connecting shaft 422, and then the battery 1 is pressed by the second pressing block 423.

[0036] (III) When the first slider 405 moves, the second moving rod 510 is driven to slide along the inner wall of the fourth sliding groove 512 through the support plate 402, and the fourth sliding groove 512 drives the fourth connecting rod 514 to move through the second driving shaft 513, and then drives the fourth slider 516 to move, and the resistance value of the second sliding rheostat 515 is adjusted by the fourth slider 516. When the second slider 411 moves, the first moving rod 505 drives the first driving shaft 506 to move, and then drives the third slider 509 to move through the first driving shaft 506, and the resistance value of the first sliding rheostat 508 is adjusted by the third slider 509, and the larger current transmitted from the first sliding rheostat 508 and the second sliding rheostat 515 is transmitted to the fan 502 through the current comparison circuit, so as to adjust the rotation speed of the fan 502, and then achieve heat dissipation of the battery 1 by adjusting the fan 502.

[0037] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention, and any reference numerals in the claims should not be considered as limiting the claims involved.

Claims

1. A self-protection battery for an electric vehicle, comprising a battery (1) and a mounting slot (2), characterized in that: The self-protection storage battery for an electric vehicle further comprises a moving mechanism (3), a bidirectional pressing mechanism (4) and a wind force regulating mechanism (5); the battery (1) is slidably mounted on the mounting groove (2); the moving mechanism (3) comprises four moving rods (301), two first connecting rods (302), two second connecting rods (304) and a support assembly; each moving rod (301) is respectively connected to a support assembly; the two first connecting rods (302) are respectively connected to the two moving rods (301); the two second connecting rods (304) are respectively connected to the two moving rods (301); the first connecting rod (302) is fixedly mounted below the second connecting rod (304); and the first connecting rod (302) is fixedly connected to the moving rod (301); The bidirectional pressing mechanism (4) comprises a first slot rod (401), a second slot rod (409), an upper pressing assembly and a lower pressing assembly, the first slot rod (401) is connected to the lower pressing assembly, the second slot rod (409) is connected to the upper pressing assembly, the first slot rod (401) and the second slot rod (409) are both fixedly mounted on the side of the mounting slot (2), and the upper pressing assembly and the lower pressing assembly are both connected to the battery (1); The wind force regulating mechanism (5) comprises a fan (502), a first sliding rheostat (508), a second sliding rheostat (515), a first driving assembly and a second driving assembly. The first sliding rheostat (508) and the second sliding rheostat (515) are both connected to a current comparison circuit. The current comparison circuit is electrically connected to the fan (502). The first sliding rheostat (508) is connected to the first driving assembly. The second sliding rheostat (515) is connected to the second driving assembly. The first driving assembly is respectively connected to a lower pressing assembly, and the second driving assembly is connected to an upper pressing assembly.

2. A self-protection battery for electric vehicles according to claim 1, characterized in that: The support assembly comprises a spring (303), one end of the spring (303) is fixedly mounted on the outer surface of the moving rod (301), and the other end of the spring (303) is fixedly mounted on the lower side of the mounting groove (2); a second connecting block (307) is mounted on the side of each first connecting rod (302), a second connecting rod (308) is rotatably mounted on the outer surface of the second connecting block (307), and the second connecting rod (308) is connected to the lower pressing assembly; a first connecting block (305) is fixedly mounted on the side of the second connecting rod (304), a first connecting rod (306) is rotatably mounted on the outer surface of the first connecting block (305), and the first connecting rod (306) is connected to the upper pressing assembly.

3. A self-protection battery for electric vehicles according to claim 2, characterized in that: A first sliding groove (403) is arranged on the side of the first slot rod (401), and the lower pressing assembly comprises a first sliding block (405), a third connecting block (404) is fixedly installed on the lower side of the first sliding block (405), and the third connecting block (404) is rotatably connected to the second connecting rod (308), a first connecting shaft (416) is fixedly installed on the side of the first sliding block (405), a fourth connecting rod (417) is rotatably installed on the outer surface of the first connecting shaft (416), a second connecting shaft (418) is rotatably installed on one end of the fourth connecting rod (417) away from the first connecting shaft (416), a fifth connecting rod (420) is fixedly installed on the side of the second connecting shaft (418), a third connecting shaft (421) is rotatably installed on the side of the fifth connecting rod (420), a vertical plate (419) is fixedly installed on the side of the third connecting shaft (421), and the vertical plate (419) is fixedly installed on the upper side of the first slot rod (401).

4. A self-protection battery for electric vehicles according to claim 3, characterized in that: A first support rod (406) is fixedly mounted on the first slot rod (401), a first vertical slide groove (407) is arranged on the side of the first support rod (406), a second pressing block (423) is slidably mounted on the inner wall of the first vertical slide groove (407), a sixth connecting shaft (422) is rotatably mounted on the side of the second pressing block (423), and the sixth connecting shaft (422) is rotatably connected to the fifth connecting rod (420).

5. A self-protection battery for electric vehicles according to claim 3, characterized in that: A second slide groove (410) is provided on the side of the second slot rod (409), a second slider (411) is slidably mounted on the inner wall of the second slide groove (410), a fourth connecting block (412) is fixedly mounted on the lower side of the second slider (411), and the fourth connecting block (412) is rotatably connected to the first connecting rod (306).

6. A self-protection battery for electric vehicles according to claim 5, characterized in that: The lower pressing assembly comprises a third connecting rod (415), the third connecting rod (415) is rotatably connected to the second sliding block (411), a second supporting rod (408) is fixedly mounted on the upper side of the second slot rod (409), a second vertical sliding groove (413) is arranged on the side of the second supporting rod (408), a first pressing block (414) is slidably mounted on the inner wall of the second vertical sliding groove (413), and the first pressing block (414) is rotatably connected to the third connecting rod (415).

7. A self-protection battery for electric vehicles according to claim 4, characterized in that: A first support rod (406) is fixedly mounted on the upper side of the first slot rod (401), an upper plate (501) is fixedly mounted on the upper side of the first support rod (406), a fan (502) is mounted on the upper plate (501), a first sliding rheostat (508) and a second sliding rheostat (515) are fixedly mounted on the upper plate (501), and a first driving assembly comprises a fourth slot rod (511), a fourth slide groove (512) is arranged on the side of the fourth slot rod (511), and a second moving rod (512) is slidably mounted on the inner wall of the fourth slide groove (512). 10), a support plate (402) is fixedly installed on the lower side of the second moving rod (510), the support plate (402) is fixedly connected to the first slider (405), a second driving shaft (513) is fixedly installed on the second moving rod (510), a fourth connecting rod (514) is rotatably installed on the outer surface of the second driving shaft (513), a fourth slider (516) is rotatably installed on one end of the fourth connecting rod (514) away from the second driving shaft (513), and the fourth slider (516) is fixedly connected to the sliding part of the second sliding rheostat (515).

8. A self-protection battery for electric vehicles according to claim 6, characterized in that: The first driving component comprises a third slot rod (503), a third slide groove (504) is arranged on the side of the third slot rod (503), a first moving rod (505) is slidably mounted on the inner wall of the third slide groove (504), the first moving rod (505) is fixedly connected to the second slider (411), a first driving shaft (506) is fixedly mounted on the first moving rod (505), a third connecting rod (507) is rotatably mounted on the outer surface of the first driving shaft (506), a third slider (509) is rotatably mounted on one end of the third connecting rod (507) away from the first driving shaft (506), and the third slider (509) is fixedly connected to the sliding part of the first sliding rheostat (508).

9. A self-protection battery for electric vehicles according to claim 7, characterized in that: The resistance value of the first sliding rheostat (508) gradually increases in a direction away from the second sliding rheostat (515).

10. A self-protection battery for electric vehicles according to claim 8, characterized in that: The resistance value of the second sliding rheostat (515) gradually decreases in a direction away from the first sliding rheostat (508).

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