阅读说明：本技术 一种新能源汽车级联电池管理系统 (New energy automobile cascades battery management system ) 是由 陈达政 于 2021-08-04 设计创作，主要内容包括：本发明公开的属于新能源汽车电池技术领域,具体为一种新能源汽车级联电池管理系统,包括所述汽车本体、主电池和中央控制系统,还包括可拆卸安装在所述汽车本体内部底端备用电池、设置在所述汽车本体内部两端的驱动装置,和电性连接所述主电池和所述备用电池的中央控制系统,所述汽车本体内部上端通过螺栓安装所述主电池,本发明增加电池箱底端的防水性能,防止地面水进入电池箱内部的效果,达到防止主电池损坏,车辆无法继续使用的效果,增加车辆机动性的效果,且达到中央控制系统将自动对驱动电机进行控制,使备用电池与主电池断开连接,防止地面水对备用电池造成损坏的效果。(The invention discloses a new energy automobile cascade battery management system, belonging to the technical field of new energy automobile batteries, comprising an automobile body, a main battery and a central control system, and also comprising a standby battery which is detachably arranged at the bottom end in the automobile body and driving devices which are arranged at two ends in the automobile body, the invention increases the waterproof performance of the bottom end of the battery box, prevents ground water from entering the battery box, achieves the effects of preventing the main battery from being damaged and preventing the vehicle from being used continuously and increases the maneuverability of the vehicle, and the central control system can automatically control the driving motor, so that the standby battery is disconnected with the main battery, and the standby battery is prevented from being damaged by ground water.)

1. The utility model provides a new energy automobile cascades battery management system, includes car body (1), main battery (2) and central control system (7), its characterized in that: the automobile power supply system is characterized by further comprising a standby battery (3) detachably mounted at the bottom end inside the automobile body (1), driving devices (4) arranged at two ends inside the automobile body (1), and a central control system (7) electrically connected with the main battery (2) and the standby battery (3);

the upper end of the interior of the automobile body (1) is provided with the main battery (2) through a bolt, the interior of the driving device (4) is connected with the standby battery (3) in a meshing manner, and the bottom end of the automobile body (1) is provided with a sealing cover (5) through a bolt;

the central control system (7) is electrically connected with the central control screen (6), the current sensor (71), the temperature sensor (72), the leakage current sensor (73), the infrared sensor (74), the liquid level sensor (75) and the driving device (4);

a charging head (31) is arranged at the upper end of the standby battery (3), gears (32) are arranged at the front end and the rear end of the standby battery (3), and a sealing strip (33) is bonded at the bottom end of the standby battery (3);

the charging head (31) is connected with the bottom end of the main battery (2), and the gear (32) is meshed and connected between the inner parts of the driving device (4).

2. The cascade battery management system for the new energy automobile is characterized in that a battery box (11) is arranged inside the automobile body (1), and a sealing opening (12) is formed in the bottom end of the automobile body (1).

3. The cascade battery management system for the new energy automobile according to claim 2, wherein the main battery (2) is mounted at the top end inside the battery box (11) through a bolt, and the sealing port (12) is arranged in a stepped manner.

4. The cascade battery management system for the new energy automobile according to claim 1, wherein a fixed top plate (21) is arranged at the top end of the main battery (2), and a charging groove (22) is arranged at the bottom end inside the main battery (2);

the fixed top plate (21) is mounted at the top end of the interior of the battery box (11) through a bolt, and a charging head (31) is inserted into the charging groove (22).

5. The cascade battery management system of the new energy automobile according to claim 1, wherein the driving device (4) comprises a movable groove rail (41), a fixed groove rail (42) and a driving gear (43), the movable groove rail (41) and the fixed groove rail (42) are arranged on two sides of the bottom end of the battery box (11), two ends of the movable groove rail (41) are connected with the driving gear (43) in a meshed manner, the fixed groove rail (42) is arranged on the front end and the rear end of the standby battery (3) through a pin shaft, the driving gear (43) is arranged on two sides of the bottom end inside the automobile body (1), and the driving gear (43) is internally sleeved with the output end of the driving motor (44);

the movable grooved rail (41) and the fixed grooved rail (42) are connected with the gear (32) in a meshing manner.

6. The cascade battery management system for the new energy automobile is characterized in that a limiting block (411) is arranged at the right end of the movable groove rail (41).

7. The cascade battery management system for the new energy automobile is characterized in that a sealing ring (51) is bonded to the inner wall of the sealing cover (5), and the sealing strip (33) is arranged at the upper end of the sealing ring (51).

8. The cascade battery management system for the new energy automobile is characterized in that the sealing ring (51) is arranged in a stepped manner.

9. The cascade battery management system for the new energy automobile is characterized in that the central control system (7) comprises a PLC (programmable logic controller) which is used for monitoring the service condition of the battery and controlling the connection and disconnection of the standby battery (3).

10. The cascade battery management system for the new energy automobile according to claim 1, wherein the current sensor (71) and the temperature sensor (72) are electrically connected to connection ports of the main battery (2) and the backup battery (3), and the current sensor (71) and the temperature sensor (72) are used for monitoring use conditions of the main battery (2) and the backup battery (3);

the leakage current sensor (73) is connected to the input end and the output end of the main battery (2) and the backup battery (3), and the leakage current sensor (73) is used for monitoring the charging and discharging conditions of the main battery (2) and the backup battery (3);

the infrared sensor (74) and the liquid level sensor (75) are installed inside the sealing cover (5), and the infrared sensor (74) and the liquid level sensor (75) are used for monitoring the distance between the chassis of the automobile body (1) and ground water.

Technical Field

The invention relates to the technical field of new energy automobile batteries, in particular to a cascade battery management system of a new energy automobile.

Background

The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source, integrates advanced technologies in the aspects of power control and driving of the automobile, and is advanced in technical principle, new in technology and new in structure.

The existing new energy automobile battery does not have a backup battery, when a main battery is damaged due to failure, the automobile cannot be used continuously, the sealing performance in a battery box of the new energy automobile is poor, the battery is easy to corrode when the water level is high, the battery is damaged, and when the battery is submerged by water in the point placing process, the automobile spontaneous combustion is easy to occur, so that the safety of personnel in the automobile is seriously harmed.

Disclosure of Invention

The invention is provided in view of the above and/or the problems existing in the existing cascade battery management system of the new energy automobile.

Therefore, the invention aims to provide a new energy automobile cascade battery management system, a main battery can be automatically and manually connected for supplying power through a standby battery, then a sealing strip at the bottom end of the standby battery is movably extruded with the top end of a sealing opening, and a sealing ring of a sealing cover performs step-type sealing on the sealing opening, so that the problems that the sealing performance in the existing battery box is poor, and the battery is self-ignited due to water infiltration when the battery is not powered off can be solved.

To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:

a cascade battery management system of a new energy automobile comprises: the automobile comprises an automobile body, a main battery and a central control system, and further comprises a standby battery detachably mounted at the bottom end in the automobile body, driving devices arranged at two ends in the automobile body, and the central control system electrically connected with the main battery and the standby battery;

the upper end of the interior of the automobile body is provided with the main battery through a bolt, the interior of the driving device is connected with the standby battery in a meshing manner, and the bottom end of the automobile body is provided with a sealing cover through a bolt;

the central control system is electrically connected with the central control screen, the current sensor, the temperature sensor, the leakage current sensor, the infrared sensor, the liquid level sensor and the driving device;

a charging head is arranged at the upper end of the standby battery, gears are arranged at the front end and the rear end of the standby battery, and a sealing strip is bonded at the bottom end of the standby battery;

the charging head is connected with the bottom end of the main battery, and the gear is connected between the insides of the driving devices in a meshed mode.

As a preferred scheme of the cascade battery management system of the new energy automobile, the cascade battery management system of the new energy automobile comprises: the automobile body is internally provided with a battery box, and the bottom end of the automobile body is provided with a sealing opening.

As a preferred scheme of the cascade battery management system of the new energy automobile, the cascade battery management system of the new energy automobile comprises: the top end in the battery box is provided with a main battery through a bolt, and the sealing port is arranged in a stepped mode.

As a preferred scheme of the cascade battery management system of the new energy automobile, the cascade battery management system of the new energy automobile comprises: a fixed top plate is arranged at the top end of the main battery, and a charging groove is arranged at the bottom end inside the main battery;

the fixed top plate is installed at the top end of the interior of the battery box through a bolt, and the charging head is inserted into the charging groove.

As a preferred scheme of the cascade battery management system of the new energy automobile, the cascade battery management system of the new energy automobile comprises: the driving device comprises a movable groove rail, a fixed groove rail and a driving gear, the movable groove rail and the fixed groove rail are arranged on two sides of the bottom end of the battery box, two ends of the movable groove rail are meshed with the driving gear, the fixed groove rail is arranged on the front end and the rear end of the standby battery through pin shafts, the driving gear is arranged on two sides of the bottom end inside the automobile body, and the driving gear is internally sleeved with an output end of a driving motor;

the movable groove rail and the fixed groove rail are connected with the gear in a meshed mode.

As a preferred scheme of the cascade battery management system of the new energy automobile, the cascade battery management system of the new energy automobile comprises: and a limiting block is arranged at the right end of the movable groove rail.

As a preferred scheme of the cascade battery management system of the new energy automobile, the cascade battery management system of the new energy automobile comprises: the sealing cover is characterized in that a sealing ring is bonded on the inner wall of the sealing cover, and the sealing strip is arranged at the upper end of the sealing ring.

As a preferred scheme of the cascade battery management system of the new energy automobile, the cascade battery management system of the new energy automobile comprises: the sealing ring is arranged in a step shape.

As a preferred scheme of the cascade battery management system of the new energy automobile, the cascade battery management system of the new energy automobile comprises: the central control system comprises a PLC controller, and the PLC controller is used for monitoring the service condition of the battery and controlling the connection and disconnection of the standby battery.

As a preferred scheme of the cascade battery management system of the new energy automobile, the cascade battery management system of the new energy automobile comprises: the current sensor and the temperature sensor are both electrically connected to a connecting port of the main battery and the backup battery, and are used for monitoring the service conditions of the main battery and the backup battery;

the leakage current sensor is connected to the input end and the output end of the main battery and the standby battery and is used for monitoring the charging and discharging conditions of the main battery and the standby battery;

the infrared sensor and the liquid level sensor are installed inside the sealing cover and used for monitoring the distance between a chassis of the automobile body and ground water.

Compared with the prior art: after the main battery and the standby battery are installed, the periphery of the sealing cover is installed at the bottom end of the automobile body through bolts, so that the sealing opening is tightly attached to the sealing ring, the waterproof performance of the bottom end of the battery box is improved, and ground water is prevented from entering the interior of the battery box;

when the standby battery is disconnected, the two ends of the sealing strip can extrude the two ends of the sealing port, and the two ends of the sealing strip can downwards extrude the sealing port under the action of the weight of the standby battery, so that the effects of increasing the sealing property inside the battery box and the protection property of the battery and preventing ground water from entering the battery box and damaging the battery are achieved;

when the main battery breaks down or is out of power, the main battery can continue to supply power to the automobile body through the standby battery, so that the effects of preventing the main battery from being damaged and preventing the automobile from being used continuously are achieved, and the effect of increasing the maneuverability of the automobile is achieved;

the central control system comprises a PLC (programmable logic controller), so that the PLC can transmit the numerical values of all the sensors to the central control screen for checking, the effect of monitoring the service condition of the battery is achieved, the PLC controls the operation of the driving motor, the connection and disconnection of the standby battery can be manually and automatically controlled, and the effects of preventing the main battery from being damaged and preventing the vehicle from being used and performing water seepage protection on the main battery and the standby battery are achieved;

the central control system is electrically connected with the central control screen, so that a driver in the automobile body can check the battery condition through the central control screen, can send a command to the central control system through the central control screen, and can manually connect and disconnect the standby battery, thereby achieving the effects of simple operation and convenient monitoring and use;

when the infrared sensor and the liquid level sensor monitor that the distance between the ground water and the chassis reaches a preset value, the infrared sensor and the liquid level sensor transmit the numerical value to the central control system, and the central control system automatically controls the driving motor to disconnect the standby battery from the main battery, so that the standby battery is prevented from being damaged by the ground water.

Drawings

FIG. 1 is a schematic view of an overall cross-sectional structure provided by the present invention;

FIG. 2 is a schematic diagram of a backup battery according to the present invention;

FIG. 3 is a schematic diagram of a connection structure of a backup battery according to the present invention;

FIG. 4 provides an enlarged view of area A of FIG. 2 in accordance with the present invention;

fig. 5 is a schematic diagram of a system connection structure provided by the present invention.

In the figure: the automobile charging device comprises an automobile body 1, a battery box 11, a sealing opening 12, a main battery 2, a fixed top plate 21, a charging groove 22, a standby battery 3, a charging head 31, a gear 32, a sealing strip 33, a driving device 4, a movable groove rail 41, a limiting block 411, a fixed groove rail 42, a driving gear 43, a driving motor 44, a sealing cover 5, a sealing ring 51, a central control screen 6, a central control system 7, a current sensor 71, a temperature sensor 72, a leakage current sensor 73, an infrared sensor 74 and a liquid level sensor 75.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The invention provides a cascade battery management system of a new energy automobile, which has the advantages of preventing a main battery 2 from being damaged, preventing the automobile from being used continuously, increasing the sealing property of a battery box 11 and automatically carrying out water seepage protection operation on the battery, and please refer to fig. 1-5, wherein the cascade battery management system comprises an automobile body 1, the main battery 2, a backup battery 3, a driving device 4, a sealing cover 5, a central control screen 6 and a central control system 7;

further, a main battery 2 is installed inside the automobile body 1, the automobile body 1 comprises a battery box 11 and a sealing port 12, specifically, the battery box 11 is installed inside the automobile body 1, the sealing port 12 is installed at the bottom end of the automobile body 1, the main battery 2 is installed at the top end inside the battery box 11 through a bolt, the sealing port 12 is set to be a step type, the battery box 11 is installed inside the automobile body 1, a fixing top plate 21 is installed at the top end of the main battery 2, when the main battery 2 is installed, the fixing top plate 21 is installed at the top end inside the battery box 11 through a bolt, so as to fix the main battery 2, a backup battery 3 is installed at the bottom end inside the battery box 11, so as to store the main battery 2 and the backup battery 3, the main battery 2 can be conveniently fixed, and two batteries can be stored, the sealing port 12 is installed at the bottom end of the automobile body 1, the sealing port 12 is set to be a step type, and then the sealing ring 51 is bonded on the inner wall of the sealing cover 5, the sealing ring 51 is in a step shape, after the main battery 2 and the standby battery 3 are installed, the periphery of the sealing cover 5 is installed at the bottom end of the automobile body 1 through bolts, so that the sealing port 12 is tightly attached to the sealing ring 51, the waterproof performance of the bottom end of the battery box 11 is improved, and ground water is prevented from entering the interior of the battery box 11.

Further, the main battery 2 is installed on the top end of the battery box 11 by bolts, the main battery 2 comprises a fixed top plate 21 and a charging slot 22, specifically, the top end of the main battery 2 is provided with the fixed top plate 21, the bottom end inside the main battery 2 is provided with the charging slot 22, the fixed top plate 21 is installed on the top end inside the battery box 11 by bolts, the charging head 31 is inserted inside the charging slot 22, the top end of the main battery 2 is provided with the fixed top plate 21, when the main battery 2 is installed, the main battery 2 is firstly connected with the top end of the battery box 11 and then fixed by bolts, thereby achieving the effect of convenient installation, the bottom end inside the main battery 2 is provided with the charging slot 22, then the top end of the backup battery 3 is provided with the charging head 31, when the backup battery 3 is started, under the driving of the driving device 4, the charging head 31 of the backup battery 3 is inserted into the charging slot 22, thereby the backup battery 3 is connected with the automobile body 1 through the main battery 2, and then reach the effect for the electricity consumption of the car, under the function of the spare battery 3, when the main battery 2 breaks down or does not have the electricity, can continue to supply power to the car body 1 through the spare battery 3, thus reach and prevent the main battery 2 from damaging, the effect that the vehicle can't continue to use, and reach the effect of increasing the vehicle mobility, through the bottom of the spare battery 3 has sealing strips 33, make the sealing strips 33 block in the top of the seal port 12, thus increase the effect of waterproof sealing, and through the middle of the front and back ends of the spare battery 3 has gears 32, under the function of the gear 32, make the both ends of the spare battery 3 have some activity, under the characteristic that the sealing strips 33 has toughness, when the spare battery 3 disconnects, the both ends of the sealing strips 33 can squeeze the both ends of the seal port 12, and under the function of the weight of the spare battery 3, make the both ends of the sealing strips 33 have downward extrusion force to the seal port 12, and then reach the leakproofness of increasing battery box 11 inside and increase the protectiveness of battery, prevent that ground water from getting into battery box 11, causing the effect of damage to the battery.

Further, the standby battery 3 is clamped between the inner parts of the driving device 4, the driving device 4 comprises a movable groove rail 41, a limiting block 411, a fixed groove rail 42, a driving gear 43 and a driving motor 44, specifically, the movable groove rail 41 and the fixed groove rail 42 are arranged on two sides of the bottom end of the battery box 11, two ends of the movable groove rail 41 are meshed with the driving gear 43, the fixed groove rail 42 is arranged on the front end and the rear end of the standby battery 3 through a pin shaft, the driving gear 43 is arranged on two sides of the bottom end of the inner part of the automobile body 1, the driving gear 43 is internally sleeved with the output end of the driving motor 44, the gear 32 is meshed between the movable groove rail 41 and the inner part of the fixed groove rail 42, the limiting block 411 is arranged at the right end of the movable groove rail 41, the driving motor 44 is a three-phase asynchronous motor, the driving gear 43 is arranged on two sides of the bottom end of the battery box 11 through the movable groove rail 41 and the fixed groove rail 42, the fixed groove rail 42 is installed at the front end and the rear end of the standby battery 3 through a pin shaft, thereby fixing the movable groove rail 41 and the fixed groove rail 42, preventing the movable groove rail 41 and the fixed groove rail 42 from falling, the driving gear 43 at the left end is installed at the inner bottom end of the automobile body 1 through a pin shaft, thereby fixing the driving gear 43, the output end of the driving motor 44 is sleeved inside the driving gear 43, the gear 32 is engaged and connected between the movable groove rail 41 and the fixed groove rail 42, when the standby battery 3 is used, the driving motor 44 is started, so that the driving motor 44 drives the movable groove rail 41 to move towards the left end, under the engagement and connection effect, the gear 32 moves towards the left end, thereby driving the standby battery 3 to move towards the left end, the charging head 31 is inserted into the connection port in the charging groove 22, and further, the driving of the standby battery 3 is achieved, and the standby battery 3 is connected with the main battery 2 for power supply, through activity grooved rail 41 right-hand member be equipped with stopper 411, after activity grooved rail 41 removed left end, stopper 411 will carry on spacingly, prevent that activity grooved rail 41 from removing excessively to the left end, make charging head 31 cause grafting excessively and damage to connection port, and then reach the connection port in the protection charging groove 22, increase connection port's life's effect.

Further, the central control system 7 is electrically connected to the central control panel 6, the central control system 7 includes a current sensor 71, a temperature sensor 72, a leakage current sensor 73, an infrared sensor 74 and a liquid level sensor 75, specifically, the central control system 7 includes a PLC controller, the PLC controller is used for monitoring the usage of the battery and controlling the connection and disconnection of the backup battery 3, the current sensor 71 and the temperature sensor 72 are both electrically connected to the connection ports of the main battery 2 and the backup battery 3, the current sensor 71 and the temperature sensor 72 are used for monitoring the usage of the main battery 2 and the backup battery 3, the leakage current sensor 73 is connected to the input end and the output end of the main battery 2 and the backup battery 3, the leakage current sensor 73 is used for monitoring the charging and discharging of the main battery 2 and the backup battery 3, the infrared sensor 74 and the liquid level sensor 75 are installed inside the sealing cover 5, the infrared sensor 74 and the liquid level sensor 75 are used for monitoring the distance between the chassis of the automobile body 1 and ground water, the central control screen 6 is electrically connected with the central control system 7, so that a driver in the automobile body 1 can check the battery condition through the central control screen 6, and can send a command to the central control system 7 through the central control screen 6, and the standby battery 3 can be manually connected and disconnected, thereby achieving the effects of simple operation and convenient monitoring and use, the central control system 7 comprises a PLC (programmable logic controller), so that the PLC can transmit the numerical values of all the sensors to the central control screen 6 for checking, thereby achieving the effect of monitoring the service condition of the battery, and the PLC controls the operation of the driving motor, so that the connection and disconnection of the standby battery 3 can be manually and automatically controlled, thereby achieving the effects of preventing the main battery 2 from damaging and preventing the main battery 2 and the standby battery 3 from water seepage, the current sensor 71 and the temperature sensor 72 are electrically connected to the connection ports of the main battery 2 and the backup battery 3, so that the current sensor 71 and the temperature sensor 72 receive the current value and the temperature value of the main battery 2 and the backup battery 3 in real time, and transmit the values to the central control screen 6 through the central control system 7 for checking, thereby checking the current stability of the battery and the temperature of the battery in real time, and further achieving the effect of monitoring the service condition of the battery, the leakage current sensor 73 is connected to the input end and the output end of the main battery 2 and the backup battery 3, so that the leakage current sensor 73 monitors the charging and discharging conditions of the main battery 2 and the backup battery 3, the effect of monitoring the charging and discharging conditions of the main battery 2 and the backup battery 3 in real time is achieved, when the charging and discharging of the main battery 2 and the backup battery 3 are in failure, the real-time discovery and the processing can be carried out in time, the infrared sensor 74 and the liquid level sensor 75 are arranged inside the sealing cover 5, so that the infrared sensor 74 and the liquid level sensor 75 monitor the distance between the chassis of the automobile body 1 and the ground water, when the infrared sensor 74 and the level sensor 75 monitor that the distance between the ground water and the chassis reaches a preset value, the infrared sensor 74 and the liquid level sensor 75 transmit the values to the central control system 7, the central control system 7 automatically controls the driving motor 44 to disconnect the backup battery 3 from the main battery 2, the effect of preventing the backup battery 3 from being damaged by the ground water is achieved, the model of the current sensor 71 is set to be SIN-DJI, the model of the temperature sensor 72 is set to be CYT-520, the model of the leakage current sensor 73 is set to be TEK-AI, the model of the infrared sensor 74 is set to be MT-J12-D15NK, and the model of the liquid level sensor 75 is set to be MIK-P260.

When the device is used specifically, a person skilled in the art firstly clamps the main battery 2 at the top end of the battery box 11, then installs the fixed top plate 21 at the top end inside the battery box 11 through bolts to fix the main battery 2, places the charging head 31 of the backup battery 3 inside the charging slot 22 to make the gear 32 meshed and connected between the movable slot rail 41 and the fixed slot rail 42, thereby completing the installation of the backup battery 3, finally installs the sealing cover 5 at the bottom end of the sealing opening 12 through bolts to make the sealing opening 12 tightly attached to the sealing ring 51, thereby completing the installation, when the infrared sensor 74 and the liquid level sensor 75 monitor that the distance between the ground water and the chassis reaches a preset value, the infrared sensor 74 and the liquid level sensor 75 transmit the numerical value to the central control system 7, the central control system 7 automatically controls the driving motor 44 to make the driving motor 44 drive the movable slot rail 41 to move towards the left end, under the effect of meshing connection, make gear 32 move to the left end, thereby drive reserve battery 3 and move to the left end, make the connection port grafting in charging head 31 and the charging groove 22, and then make reserve battery 3 connect main battery 2 and supply power, through accuse screen 6 in central control system 7 electric connection, make driver's accessible in the automobile body 1 control screen 6 look over the battery condition, and accessible central control screen 6 sends the order to central control system 7, can manually connect and break off reserve battery 3, thereby reach easy operation, make things convenient for the effect of monitoring and use.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.