An intelligent dual battery isolation controller based on a motor vehicle

Abstract

The application belongs to the technical field of charging isolation, and is especially an intelligent double-battery isolation controller based on a motor vehicle. An internal power monitor can monitor battery capacity in real time. When the battery power is insufficient, the control end automatically starts the actuator inside the insulating cover. The actuating shaft drives the rotating seat and the outer battery clamping plate to rotate, realizing the switching of the main battery and the auxiliary battery, thereby ensuring sufficient power supply for the starter. The device can accurately control the actuating structure, so that the originally vertically arranged main battery and auxiliary battery are in a horizontal state. In a low-temperature environment, the two sets of battery clamping plates of the device complete double power supply for the main and auxiliary batteries, thereby ensuring sufficient power supply for the starter. The polishing sheet inside the battery clamping plate can always adhere to the surface of the fine grinding block and complete the synchronous opening and closing effect in the rotating state, ensuring that the battery clamping plate can firmly clamp the main and auxiliary batteries of different sizes, thereby effectively preventing missed clamping.

Description

Technical Field

[0001] This invention belongs to the field of charging isolation technology, specifically relating to an intelligent dual-battery isolation controller for motor vehicles. Background Technology

[0002] The commonly used dual-battery charging isolator works as follows: When the device connected to the main battery starts, such as a car engine, and the main battery voltage reaches a certain value, typically 27V NUM (where NUM refers to the number of batteries), the dual-battery charging isolator engages, connecting the main and auxiliary batteries in series with a common positive terminal. This allows the car or ship generator to charge both the main and auxiliary batteries simultaneously. When the main battery voltage drops below a certain value, typically 26.7V NUM or below, the dual-battery charging isolator disconnects, isolating the main and auxiliary batteries.

[0003] The existing device lacks remote monitoring and control, so users cannot obtain the battery status or remotely control the isolator. Furthermore, in extremely low temperatures, the main and auxiliary batteries of the existing device cannot simultaneously power the starter motor, resulting in insufficient power supply.

[0004] To address this issue, an intelligent dual-battery isolation controller for motor vehicles is designed. Summary of the Invention

[0005] To address the problems mentioned in the background section, this invention provides an intelligent dual-battery isolation controller for motor vehicles. In use, the two thick wires from the two-hole aviation socket on the isolator body are connected to the positive terminals of the main and auxiliary batteries respectively. During operation, the internal power monitor can monitor the battery capacity in real time. When the battery power is insufficient, the actuator inside the insulating cover is automatically activated via the control terminal. Its rotating shaft drives the drive shaft to rotate, which in turn drives the outer bracket to rotate, thereby rotating the rotating seat and the outer battery clamp, achieving the switching between the main and auxiliary batteries and ensuring sufficient power for the starter motor.

[0006] During power supply, the operating electric telescopic rod pushes the insulating rod, which smoothly pushes the contact pad along the outside of the telescopic thin copper rod. Based on the stroke of the pre-set displacement sensor, when the set value is reached, the contact pad can connect with the main battery or auxiliary battery at the top, while the battery at the bottom of the bracket switches to standby mode. On the other hand, this device can precisely control the actuator, so that the originally vertically arranged main battery and auxiliary battery are in a horizontal state. This allows the two sets of battery clamps in the device to provide dual power supply from the main and auxiliary batteries in low-temperature environments, thereby ensuring a sufficient power supply for the starter motor.

[0007] To ensure the stability of the battery connection, a small motor inside the rotating seat can be automatically activated. This motor drives the connecting shaft to rotate. Because the two sets of locking gears on the outside mesh, the locking gear at the top can drive the guide shaft and the outer polishing block to rotate synchronously, thus achieving the deceleration effect of the polishing block. Since the outer limit spring is always in a stretched state, the polishing plate on the inside of the battery clamp can always be attached to the surface of the polishing block during rotation, and complete the synchronous opening and closing effect during rotation. This ensures that the battery clamp can reliably clamp the main and auxiliary batteries of different sizes, thereby effectively preventing missed connections.

[0008] To achieve the above objectives, the present invention provides the following technical solution: an intelligent dual-battery isolation controller for motor vehicles, comprising a flexible isolation controller, wherein the flexible isolation controller includes an isolator body, a power monitor, a contact-type electrode, a telescopic thin copper rod, and a battery clamp. The telescopic thin copper rod is fixedly connected to the inner side of the isolator body, the power monitor is electrically connected to the bottom of the contact-type electrode, the contact-type electrode is welded and fixed to the outer side of the telescopic thin copper rod, and the battery clamp is movably connected to the outer side of the contact-type electrode. An adjustment part is also provided on the inner side of the isolator body.

[0009] As a preferred embodiment of the intelligent dual-battery isolation controller for motor vehicles according to the present invention, the adjustment unit includes an insulating cover, an actuator, a drive shaft, a bracket, a rotating seat, and a limiting spring. The actuator is fixedly connected to the inner side of the insulating cover. One end of the drive shaft is fixedly connected to the output end of the actuator via a coupling. The surface of the bracket is fixedly connected to the outer side of the drive shaft. The rotating seat is fixedly connected to the outer side of the bracket. The two ends of the limiting spring are fixedly connected to the surfaces of the battery clamp and the rotating seat, respectively.

[0010] As a preferred embodiment of the intelligent dual-battery isolation controller for motor vehicles according to the present invention, the rotating base is further provided with a small motor, a connecting shaft and a guide shaft. The output end of the small motor is fixedly connected to one end of the connecting shaft through a coupling, and the guide shaft is rotatably connected inside the rotating base.

[0011] As a preferred embodiment of the intelligent dual-battery isolation controller for motor vehicles according to the present invention, the opposite sides of the connecting shaft and the guide shaft are further meshed with locking gears.

[0012] As a preferred embodiment of the intelligent dual-battery isolation controller for motor vehicles according to the present invention, a fine grinding block is also fixedly connected to the outer side of the guide shaft, and the outer wall of the fine grinding block is slidably connected to the inner side of the battery clamp.

[0013] As a preferred embodiment of the intelligent dual-battery isolation controller for motor vehicles according to the present invention, a polishing plate is further provided on the inner side of the battery clamp.

[0014] As a preferred embodiment of the intelligent dual-battery isolation controller for motor vehicles according to the present invention, a displacement sensor is also provided on the inner side of the isolator body.

[0015] As a preferred embodiment of the intelligent dual-battery isolation controller for motor vehicles according to the present invention, the telescopic thin copper rod is further provided with an electric telescopic rod and an insulating rod on both sides. The output end of the electric telescopic rod is fixedly connected to the inner side of the insulating rod, and the outer side of the insulating rod is fixedly connected to the surface of the contact electrode.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. In this invention, the two thick wires of the two-hole aviation socket of the isolator body are connected to the positive terminals of the main and auxiliary batteries respectively. During use, the internal power monitor can monitor the battery capacity in real time. When the battery power is insufficient, the actuator inside the insulating cover is automatically activated through the control terminal. Its actuator shaft drives the drive shaft to rotate, the drive shaft drives the outer bracket to rotate, and then drives the rotating seat and the outer battery clamp to rotate, realizing the switching between the main battery and the auxiliary battery, thereby ensuring that the starter motor has sufficient power.

[0018] 2. During power supply, the operating electric telescopic rod can push the insulating rod, which smoothly pushes the contact pad along the outside of the telescopic thin copper rod. Through the pre-set displacement sensor stroke, when the set value is reached, the contact pad can connect with the main battery or auxiliary battery at the top, while the battery at the bottom of the bracket switches to standby mode. On the other hand, this device can precisely control the actuator, so that the originally vertically arranged main battery and auxiliary battery are in a horizontal state. In low-temperature environments, the two sets of battery clamps of this device can complete the dual power supply of the main and auxiliary batteries, thereby ensuring a sufficient power supply for the starter motor.

[0019] 3. In this invention, to ensure the stability of the battery connection, a small motor inside the rotating seat can be automatically started. Its rotating shaft drives the connecting shaft to rotate. Since the two sets of locking gears on the outside are meshed, the locking gear at the top can drive the guide shaft and the outer fine grinding block to rotate synchronously, thereby achieving the deceleration rotation effect of the fine grinding block. Since the outer limiting spring is always in a stretched state, the polishing plate on the inner side of the battery clamp can always be attached to the surface of the fine grinding block during the rotation of the fine grinding block, and complete the synchronous opening and closing effect in the rotating state, ensuring that the battery clamp can reliably clamp the main and auxiliary batteries of different sizes, thereby effectively preventing missed connections. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure provided in this invention;

[0022] Figure 2 This is a cross-sectional view of the isolator body provided in this invention;

[0023] Figure 3 This is a distribution diagram of the contact-type electrical pads provided in this invention;

[0024] Figure 4 This is a cross-sectional view of the insulating cover provided in this invention;

[0025] Figure 5 This is a schematic diagram of the internal structure of the rotating seat provided in this invention;

[0026] Figure 6 This is an unfolded view of the battery clamp provided in this invention;

[0027] Figure 7 This is a logic diagram of the control method for the intelligent dual-battery isolation controller for motor vehicles provided in this invention.

[0028] In the picture:

[0029] 1. Flexible isolation controller; 11. Isolator body; 12. Power monitor; 13. Contact electrode; 14. Telescopic thin copper rod; 15. Battery clamp; 2. Adjustment unit; 21. Insulating cover; 22. Actuator; 23. Drive shaft; 24. Bracket; 25. Rotating seat; 26. Limit spring; 3. Small motor; 4. Connecting shaft; 5. Guide shaft; 6. Grinding block; 7. Polishing disc; 8. Displacement sensor; 9. Electric telescopic rod; 10. Insulating rod; 20. Aviation socket; 30. Locking gear. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] like Figure 1 and Figure 7 As shown:

[0032] An intelligent dual-battery isolation controller for motor vehicles is proposed. The working principle of the commonly used dual-battery charging isolator is that when the main battery voltage is lower than a certain value, generally 26.7VNUM or below, the dual-battery charging isolator will disconnect, isolating the main battery and the auxiliary battery. Existing devices lack remote monitoring and control, and users cannot obtain the battery status or remotely control the isolator. In addition, in extremely low temperature conditions, the main battery and auxiliary battery of the existing device cannot simultaneously power the starter motor, resulting in insufficient power supply. Based on this, a flexible isolation controller 1 is added.

[0033] A smart dual-battery isolation controller for motor vehicles can also perform intelligent control based on the main and auxiliary batteries and engine status, thereby using two batteries, charging simultaneously, and using them separately. Its main functions are:

[0034] 1. Isolation: Under normal circumstances, disconnect the main and auxiliary batteries to ensure that there is no internal loss between the two batteries and extend the battery life.

[0035] 2. Protection: Automatically connects the main and auxiliary batteries upon startup, allowing the vehicle to start even when the main battery is low on power.

[0036] 3. Control: Automatically detects voltage and implements protection functions. After startup, it charges and maintains the auxiliary battery when the voltage is insufficient.

[0037] 4. Borrowing power: When the main battery is low on power, press the emergency switch to borrow power from the auxiliary battery to start the engine.

[0038] 5. Assisted start-up: In extremely low temperature conditions, the main battery and the auxiliary battery can power the starter motor simultaneously. After normal start-up, the isolation controller can automatically separate the main and auxiliary batteries.

[0039] like Figure 1 , Figure 3 and Figure 7 As shown:

[0040] In an optional embodiment: the flexible isolation controller 1 includes an isolator body 11, a power monitor 12, a contact electrode 13, a telescopic thin copper rod 14, and a battery clamp 15. The telescopic thin copper rod 14 is fixedly connected to the inner side of the isolator body 11. The power monitor 12 is electrically connected to the bottom of the contact electrode 13. The contact electrode 13 is welded and fixed to the outer side of the telescopic thin copper rod 14. The battery clamp 15 is movably connected to the outer side of the contact electrode 13. Electric telescopic rods 9 and insulating rods 10 are also provided on both sides of the telescopic thin copper rod 14. The output end of the electric telescopic rod 9 is fixedly connected to the inner side of the insulating rod 10, and the outer side of the insulating rod 10 is fixedly connected to the surface of the contact electrode 13.

[0041] In this implementation scheme: the two thick wires of the two-hole aviation socket 20 of the isolator body 11 are connected to the positive terminals of the main and auxiliary batteries respectively. During use, the internal power monitor 12 can monitor the battery capacity in real time. When the battery power is insufficient, the actuator 22 inside the insulating cover 21 is automatically activated through the control terminal. The actuator 22 includes, but is not limited to, a stepper motor. Its output end is equipped with an actuator shaft. The actuator shaft is fixedly connected to the drive shaft 23 through a coupling. The actuator shaft drives the drive shaft 23 to rotate. The drive shaft 23 drives the outer bracket 24 to rotate, which in turn drives the rotating seat 25 and the outer battery clamp 15 to rotate, realizing the switching between the main battery and the auxiliary battery, thereby ensuring that the starter motor has sufficient power.

[0042] It should be noted that when the main battery is damaged or depleted, pressing the emergency switch will automatically connect the main battery and the auxiliary battery in parallel, allowing the vehicle to be started using the power from the auxiliary battery.

[0043] A control method for an intelligent dual-battery isolation controller for motor vehicles, applicable to the aforementioned intelligent dual-battery isolation controller for motor vehicles, specifically includes the following steps:

[0044] Step 1: First, when the engine starts, if the main battery voltage is lower than 26.7V, the isolation controller will automatically separate the main and auxiliary batteries, and the car engine will charge the main battery first.

[0045] Step 2: When the engine starts, if the isolation controller detects that the main battery voltage is higher than 26.7V, the isolation controller will start after a 10-second delay. At this time, the engine will charge the main and auxiliary batteries in parallel.

[0046] Step 3: When the isolation controller detects that the engine voltage is between 26.7V and 29.8V, it will continue to charge both the main and auxiliary batteries simultaneously.

[0047] Step 4: If the engine voltage is detected to exceed 32V + 0.6V, the isolation controller will automatically disconnect the main and auxiliary batteries;

[0048] Step 5: When the isolation controller detects that the main battery voltage is below 25.8V, it will automatically separate the main and auxiliary batteries after a 30-second delay. This state occurs after the engine starts and then stops.

[0049] Step 6: When the battery is not being charged or discharged and the main battery voltage is below 25.8V, the isolation controller will automatically separate the main and auxiliary batteries.

[0050] Step 7: When the engine is not running, discharge the main battery. When the main battery voltage is below 25.8V, discharge the auxiliary battery. The isolation controller will automatically separate the main and auxiliary batteries.

[0051] Step 8: When the emergency switch is pressed, the isolation controller will activate the following functions:

[0052] i) When the main battery is damaged or depleted, press the emergency switch and the isolation controller will automatically connect the main battery and the auxiliary battery in parallel, so that the vehicle can be started with the power of the auxiliary battery.

[0053] ii) When the emergency switch returns to its initial state, the isolation controller will automatically separate the main battery and the auxiliary battery;

[0054] iii) If the emergency switch is not turned off 45 seconds after it is pressed, the isolation controller will automatically separate the main battery and the auxiliary battery. If the emergency switch is not turned off at this time, the main and auxiliary batteries will always be in an isolated state.

[0055] Step 9: When the ignition lock start signal is valid, the isolation controller will activate the auxiliary function:

[0056] First, the START signal of the isolation controller is connected to the ignition lock start signal. When the ignition lock start signal is valid, the isolation controller automatically connects the main battery and the auxiliary battery in parallel.

[0057] Step 10: Simultaneously, when the main battery loses power, the isolation controller will perform the following actions:

[0058] i) When the main battery loses power during operation, the isolation controller will automatically separate the main battery and the auxiliary battery;

[0059] ii) When the main battery recovers from a power failure, the isolation controller will automatically control the status of the main battery and the auxiliary battery according to steps one through nine above;

[0060] Step 11: When the secondary battery is severely depleted, the isolation controller will activate the pulse charging function.

[0061] i) When the engine is running, if the voltage of the auxiliary battery is still below 26.7V after it is connected, the isolation controller controls the auxiliary battery to be in a short-term intermittent charging mode.

[0062] ii) When the engine is running, if the voltage of the auxiliary battery is still below 25.7V after it is connected, the isolation controller controls the auxiliary battery to be in a long-term intermittent charging mode.

[0063] Furthermore:

[0064] like Figure 2 , Figure 3 and Figure 4 As shown:

[0065] In an optional embodiment: the adjustment unit 2 includes an insulating cover 21, an actuator 22, a drive shaft 23, a bracket 24, a rotating seat 25, and a limiting spring 26. The insulating cover 21 is fixedly installed on one side of the inner cavity of the isolator body 11. The actuator 22 is fixedly connected to the inner side of the insulating cover 21. One end of the drive shaft 23 is fixedly connected to the output end of the actuator 22 through a coupling. The surface of the bracket 24 is fixedly connected to the outer side of the drive shaft 23. The rotating seat 25 is fixedly connected to the outer side of the bracket 24. The two ends of the limiting spring 26 are fixedly connected to the battery clamp 15 and the surface of the rotating seat 25, respectively. A displacement sensor 8 is also provided on the inner side of the isolator body 11.

[0066] In this embodiment: During power supply, the operating electric telescopic rod 9 can push the insulating rod 10. The insulating rod 10 smoothly pushes the contact pad 13 along the outside of the telescopic thin copper rod 14. Through the pre-set stroke of the displacement sensor 8, when the set value is reached, the contact pad 13 can connect with the main battery or auxiliary battery at the top, while the battery at the bottom of the bracket 24 is switched to standby mode. On the other hand, this device can control the torque of the actuating shaft of the actuator 22, so that the originally vertically arranged main battery and auxiliary battery are in a horizontal state. In low temperature environment, the two sets of battery clamps 15 of this device can complete the dual power supply of the main and auxiliary batteries, thereby ensuring a sufficient supply of starter power.

[0067] It should be noted that if the engine voltage is detected to be below 26V after the engine is turned off, the isolation controller will automatically disconnect the main and auxiliary batteries.

[0068] Based on the above:

[0069] like Figure 5 and Figure 6 As shown:

[0070] In an optional embodiment: a small motor 3, a connecting shaft 4 and a guide shaft 5 are also provided inside the rotating seat 25. The output end of the small motor 3 is fixedly connected to one end of the connecting shaft 4 through a coupling. The guide shaft 5 is rotatably connected inside the rotating seat 25. A locking gear 30 is also meshed on the opposite side of the connecting shaft 4 and the guide shaft 5. A fine grinding block 6 is also fixedly connected to the outer side of the guide shaft 5. The outer wall of the fine grinding block 6 is slidably connected to the inner side of the battery clamp 15. A polishing disc 7 is also provided on the inner side of the battery clamp 15.

[0071] In this embodiment: To ensure the stability of the battery connection, the small motor 3 inside the rotating seat 25 can be started automatically. Its rotating shaft drives the connecting shaft 4 to rotate. Since the two sets of locking gears 30 on the outside are meshed, the locking gear 30 at the top can drive the guide shaft 5 and the outer fine grinding block 6 to rotate synchronously, thereby completing the deceleration rotation effect of the fine grinding block 6. Since the outer limit spring 26 is always in a stretched state, the polishing plate 7 on the inner side of the battery clamp 15 can always stick to the surface of the fine grinding block 6 during the rotation of the fine grinding block 6, and complete the synchronous opening and closing effect in the rotating state, ensuring that the battery clamp 15 can reliably clamp the main and auxiliary batteries of different sizes, thereby effectively preventing missed connections.

[0072] It should be noted that during charging, when the isolation controller detects a voltage higher than 27V, it will activate the isolation controller after a 10-second delay. At this time, the engine will simultaneously charge the main and auxiliary batteries in parallel.

[0073] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An intelligent dual-battery isolation controller for motor vehicles, comprising a flexible isolation controller (1), characterized in that: The flexible isolation controller (1) includes an isolator body (11), a power monitor (12), a contact electrode (13), a telescopic thin copper rod (14), and a battery clamp (15). The telescopic thin copper rod (14) is fixedly connected to the inner side of the isolator body (11). The power monitor (12) is electrically connected to the bottom of the contact electrode (13). The contact electrode (13) is welded and fixed to the outer side of the telescopic thin copper rod (14). The battery clamp (15) is movably connected to the outer side of the contact electrode (13). An adjustment part (2) is also provided on the inner side of the isolator body (11). The intelligent dual-battery isolation controller for motor vehicles executes the following control method steps: Step 1: First, when the engine starts, if the main battery voltage is lower than 26.7V, the isolation controller will automatically separate the main and auxiliary batteries, and the car engine will charge the main battery first. Step 2: When the engine starts, if the isolation controller detects that the main battery voltage is higher than 26.7V, the isolation controller will start after a 10-second delay. At this time, the engine will charge the main and auxiliary batteries in parallel. Step 3: When the isolation controller detects that the engine voltage is between 26.7V and 29.8V, it will continue to charge both the main and auxiliary batteries simultaneously. Step 4: If the engine voltage is detected to exceed 32V + 0.6V, the isolation controller will automatically disconnect the main and auxiliary batteries; Step 5: When the isolation controller detects that the main battery voltage is below 25.8V, it will automatically separate the main and auxiliary batteries after a 30-second delay. This state occurs after the engine starts and then stops. Step 6: When the battery is not being charged or discharged and the main battery voltage is below 25.8V, the isolation controller will automatically separate the main and auxiliary batteries. Step 7: When the engine is not running, discharge the main battery. When the main battery voltage is below 25.8V, discharge the auxiliary battery. The isolation controller will automatically separate the main and auxiliary batteries. Step 8: When the emergency switch is pressed, the isolation controller will activate the following functions: i) When the main battery is damaged or depleted, press the emergency switch and the isolation controller will automatically connect the main battery and the auxiliary battery in parallel, so that the vehicle can be started with the power of the auxiliary battery. ii) When the emergency switch returns to its initial state, the isolation controller will automatically separate the main battery and the auxiliary battery; iii) If the emergency switch is not turned off 45 seconds after it is pressed, the isolation controller will automatically separate the main battery and the auxiliary battery. If the emergency switch is not turned off at this time, the main and auxiliary batteries will always be in an isolated state. Step 9: When the ignition lock start signal is valid, the isolation controller will activate the auxiliary function: First, the START signal of the isolation controller is connected to the ignition lock start signal. When the ignition lock start signal is valid, the isolation controller automatically connects the main battery and the auxiliary battery in parallel. Step 10: Simultaneously, when the main battery loses power, the isolation controller will perform the following actions: i) When the main battery loses power during operation, the isolation controller will automatically separate the main battery and the auxiliary battery; ii) When the main battery recovers from a power failure, the isolation controller will automatically control the status of the main battery and the auxiliary battery according to steps one through nine above; Step 11: When the secondary battery is severely depleted, the isolation controller will activate the pulse charging function. i) When the engine is running, if the voltage of the auxiliary battery is still below 26.7V after it is connected, the isolation controller controls the auxiliary battery to be in a short-term intermittent charging mode. ii) When the engine is running, if the voltage of the auxiliary battery is still below 25.7V after it is connected, the isolation controller controls the auxiliary battery to be in a long-term intermittent charging mode.

2. The intelligent dual-battery isolation controller for motor vehicles according to claim 1, characterized in that: The adjustment unit (2) includes an insulating cover (21), an actuator (22), a drive shaft (23), a bracket (24), a rotating seat (25), and a limiting spring (26). The actuator (22) is fixedly connected to the inner side of the insulating cover (21). One end of the drive shaft (23) is fixedly connected to the output end of the actuator (22) through a coupling. The surface of the bracket (24) is fixedly connected to the outer side of the drive shaft (23). The rotating seat (25) is fixedly connected to the outer side of the bracket (24). The two ends of the limiting spring (26) are fixedly connected to the surface of the battery clamp (15) and the rotating seat (25), respectively.

3. The intelligent dual-battery isolation controller for motor vehicles according to claim 2, characterized in that: The rotating seat (25) is also equipped with a small motor (3), a connecting shaft (4) and a guide shaft (5). The output end of the small motor (3) is fixedly connected to one end of the connecting shaft (4) through a coupling. The guide shaft (5) is rotatably connected inside the rotating seat (25).

4. The intelligent dual-battery isolation controller for motor vehicles according to claim 3, characterized in that: Locking gears (30) are also meshed on opposite sides of the connecting shaft (4) and the guide shaft (5).

5. The intelligent dual-battery isolation controller for motor vehicles according to claim 4, characterized in that: A grinding block (6) is also fixedly connected to the outside of the guide shaft (5), and the outer wall of the grinding block (6) is slidably connected to the inner side of the battery clamp (15).

6. The isolation controller for a motor vehicle-based intelligent dual-battery system according to claim 5, characterized in that: The inner side of the battery clamp (15) is also provided with a polishing disc (7).

7. The intelligent dual-battery isolation controller for motor vehicles according to claim 1, characterized in that: A displacement sensor (8) is also provided on the inner side of the isolator body (11).

8. The intelligent dual-battery isolation controller for motor vehicles according to claim 1, characterized in that: The telescopic thin copper rod (14) is also provided with an electric telescopic rod (9) and an insulating rod (10) on both sides. The output end of the electric telescopic rod (9) is fixedly connected to the inner side of the insulating rod (10), and the outer side of the insulating rod (10) is fixedly connected to the surface of the contact pad (13).

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