An electric vehicle battery module that facilitates rapid battery replacement

Abstract

The present invention provides an electric vehicle battery module that is convenient for rapid battery replacement. It includes a standardized battery storage compartment and an electric vehicle battery, wherein the battery storage compartment is fixedly arranged at a distance from the center axis of the front tire of the electric vehicle; the electric vehicle battery includes a battery body, left and right side protection irons of the battery, a battery communication module, and a battery monitoring alarm module; the battery storage compartment at least includes: an automatic opening and closing compartment door device, a battery automatic fixing device, and a battery transmission device, wherein the battery transmission device at least includes a plurality of transmission rollers, and a battery compartment transmission shaft arranged at both ends of the transmission roller, and a retractable shaft connector. The electric vehicle battery module sets the battery storage compartment at a fixed distance from the center axis of the front tire of the electric vehicle, and is provided with an automatic opening and closing compartment door device and a retractable shaft connector, so that the electric vehicle battery can be easily transported and rapid and automatic battery replacement of the electric vehicle can be realized.

Description

Technical Field

[0001] The present invention relates to an electric vehicle battery device, and in particular to an electric vehicle battery module which has a battery storage compartment and a front tire centerline at a fixed distance, is provided with a battery communication module and a battery monitoring alarm module, is provided with an automatic compartment door opening and closing device, and is provided with a retractable shaft connector to facilitate battery transportation. Background Art

[0002] Today is an era of highly developed science and technology and economy. People are pursuing higher and higher material and spiritual life. As a popular means of transportation, people pay attention to the performance of cars while also paying attention to their environmental performance. As a zero-emission vehicle, electric cars are increasingly valued.

[0003] After a single full charge, electric vehicles have a short range. To address this problem, one solution is to increase the battery capacity, but the current technology to increase battery capacity is difficult and progress is slow. On the other hand, it is possible to provide electric vehicles with a convenient way to charge, but currently charging and replacing batteries for electric vehicles is quite inconvenient. The main problems are as follows:

[0004] 1. At present, the battery sizes of electric vehicles vary greatly, so when the battery of an electric vehicle is exhausted, it takes a long time to wait for the battery to be fully charged before it can be put into operation;

[0005] 2. It cannot monitor and track electric vehicle batteries in real time, cannot promptly issue an alarm when the battery is low, and cannot navigate to the nearest battery swap station, and cannot achieve IoT monitoring and comprehensive dispatching;

[0006] 3. The battery is fixed to the chassis of the electric vehicle with bolts, and the battery is heavy, making it inconvenient to replace the battery and not protected;

[0007] 4. There is no suitable transmission mechanism, and the battery is heavy, making it quite difficult for the external power device to remove the battery. Summary of the invention

[0008] The purpose of the present invention is to solve the above technical problems and provide an electric vehicle battery module that is convenient for rapid battery replacement. The electric vehicle battery module fixes the distance between the battery storage compartment and the center axis of the front tire of the electric vehicle, and is provided with a battery communication module, a battery monitoring alarm module, an automatic opening and closing compartment door device, and a retractable shaft connector, so that the electric vehicle battery can be easily transported and rapid and automated battery replacement can be achieved in the electric vehicle.

[0009] In order to solve the above-mentioned prior art problems, the technical solution of the present invention is:

[0010] The present invention discloses an electric vehicle battery module that is convenient for rapid battery replacement. The electric vehicle battery module comprises a standardized battery storage compartment and an electric vehicle battery. The battery storage compartment is fixedly arranged at a distance from the center axis of the front tire of the electric vehicle.

[0011] The electric vehicle battery includes a battery body, left and right side protection irons of the battery, a battery communication module, and a battery monitoring alarm module. The battery communication module includes an identification chip and a signal transmitter. The battery communication module and the battery monitoring alarm module are arranged at the left end or the right end of the battery body. The battery body is also provided with a battery terminal at the right end.

[0012] The battery storage compartment at least includes: an automatic opening and closing compartment door device, an automatic battery fixing device, and a battery transmission device. The battery transmission device at least includes a plurality of transmission rollers arranged below the battery body, and a battery compartment transmission shaft arranged at both ends of the transmission rollers, and a retractable shaft connector arranged at the right end of the transmission shaft in the battery compartment for connecting the transmission shaft. A conical hole for load-bearing connection is also arranged below the battery storage compartment.

[0013] The automatic door opening and closing device comprises a battery replacement button arranged in the driving room of the electric vehicle, a door opening and closing stepping motor, a motor transmission shaft, a battery replacement completion door closing button, a door loose-leaf gear, a door opening and closing transmission gear, a battery storage compartment door, a positioning rod fixing pin, a positioning rod insertion hole, and a battery storage compartment infrared transmitter, the battery storage compartment door is provided with a battery compartment door lock hole, the door loose-leaf gear is meshed with the door opening and closing transmission gear, and the positioning rod fixing pin is arranged below the positioning rod insertion hole;

[0014] The automatic battery fixing device comprises an automatic battery fixing screw arranged above the battery body, a battery terminal clamp matched with the battery terminal, a battery fixing groove, and a screw driving motor. A screw pulley is axially movable and radially locked above the automatic battery fixing screw. A motor pulley is arranged on the screw driving motor. The automatic battery fixing device also comprises a transmission pulley. The screw driving motor drives the automatic battery fixing screw to rotate through the motor pulley, the screw pulley, and the transmission pulley in sequence, so as to realize the up and down movement of the automatic battery fixing screw.

[0015] The battery transmission device also includes bearings arranged at both ends of the transmission roller, a transmission roller gear, and a transmission shaft gear, wherein the transmission roller gear and the transmission shaft gear are bevel gears and mesh with each other;

[0016] The telescopic shaft connector includes a shaft connector sleeve, a shaft connector positioning hole, a shaft connector fixing pin, a shaft connector shaft head, a shaft connector shaft head connecting rod, a shaft connector spring, a shaft connector outer rod, and a shaft connector inner rod. The shaft connector shaft head connecting rod is axially movably connected and radially locked with the shaft connector outer rod. The shaft connector inner rod is fixedly connected with the shaft connector outer rod. The shaft connector shaft head has a ball protrusion for radially locking in the shaft connector sleeve. The shaft connector fixing pin is used to fix the left and right positions of the shaft connector shaft head. The shaft connector spring is arranged at the rear end of the shaft connector shaft head connecting rod. The battery transmission device also includes an external positioning device and an external transmission device with a transmission shaft. The shaft connector outer rod can be rotatably fixed on the external positioning device, and the shaft connector inner rod is connected with the transmission shaft of the external transmission device.

[0017] The left and right ends of the front side surface and the left and right ends of the front and rear side surfaces of the electric vehicle battery are each provided with a limiting pulley with an axis perpendicular to the center line. The limiting pulley is slidably arranged on the inner wall of the battery receiving compartment, and the limiting pulley is used to limit the front and rear position of the battery in the battery receiving compartment.

[0018] Preferably, a load-bearing bridge chassis for bearing weight is also provided at the bottom of the battery accommodating compartment.

[0019] The present invention provides an electric vehicle battery module that is convenient for rapid battery replacement, and has the following beneficial effects:

[0020] 1. The electric vehicle battery module sets the distance between the battery storage compartment and the center axis of the front tire of the electric vehicle fixedly, and is provided with an automatic opening and closing compartment door device, which is suitable for automatic positioning and rapid automatic replacement of batteries for electric vehicles;

[0021] 2. A retractable shaft connector is provided to facilitate the transmission of external power to the battery compartment. The roller module is also used to facilitate the transportation of electric vehicle batteries.

[0022] 3. A battery communication module and a battery monitoring alarm module are provided to facilitate timely understanding of the battery status. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] FIG1 is a vertical cross-sectional view of a battery module for an electric vehicle (including the center axis of the front tire of the vehicle) for facilitating rapid battery replacement according to the present invention;

[0024] FIG2 is a top view of a battery module (without a battery) for electric vehicles that facilitates quick battery replacement according to the present invention;

[0025] FIG3 is a schematic structural diagram of an automatic opening and closing compartment door device of a battery module of an electric vehicle for facilitating rapid battery replacement according to the present invention;

[0026] FIG4 is a cross-sectional view of an automatic opening and closing compartment door device of a battery module of an electric vehicle for facilitating rapid battery replacement according to the present invention;

[0027] FIG. 5 is a cross-sectional view of a retractable shaft connector of an electric vehicle battery module for facilitating rapid battery replacement according to the present invention. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with embodiments:

[0029] Embodiment:

[0030] An electric vehicle battery module that facilitates rapid battery replacement, such as Figure 1 , Figure 2 The electric vehicle battery module includes a standardized battery storage compartment 11 and an electric vehicle battery 12, and the battery storage compartment 11 is fixedly arranged at a distance from the center axis 13 of the front tire of the electric vehicle;

[0031] The electric vehicle battery includes a battery body 121, left and right side protection irons 122 of the battery, a battery communication module 123, a battery terminal 124, and a battery monitoring alarm module 125. The battery communication module 123 includes an identification chip and a signal transmitter. The battery communication module 123 and the battery monitoring alarm module 125 are arranged at the left end or the right end of the battery body. The battery terminal 124 is also arranged at the right end of the battery body 121.

[0032] The battery monitoring alarm module 125 can monitor the battery power and battery operation status in a timely manner. When the battery power is less than 1 / 4, the battery monitoring alarm module will automatically send out an alarm signal. The battery communication module can read the information of the battery monitoring alarm module in a timely manner, record and store the remaining power of the battery, location, identity code, operating status and alarm prompts, etc., and send the information to the external battery exchange monitoring center and electric vehicle cab, and process, display, alarm, and prompt at the external battery exchange monitoring center or electric vehicle cab.

[0033] The battery storage compartment 11 at least includes: an automatic opening and closing compartment door device, an automatic battery fixing device, and a battery transmission device. The battery transmission device at least includes a plurality of transmission rollers 117a arranged below the battery body, and a battery compartment transmission shaft 118a arranged at both ends of the transmission rollers, and a retractable shaft connector 119 for connecting the transmission shaft arranged at the right end of the transmission shaft 118a in the battery compartment. The battery transmission device transmits external power to the battery compartment transmission shaft 118a for rotation through the retractable shaft connector 119, thereby pushing the electric vehicle battery into or out of the battery storage compartment 11.

[0034] The automatic door opening and closing device comprises a battery replacement button arranged in the driving room of the electric vehicle, a door opening and closing stepping motor 111a, a door opening and closing stepping motor transmission shaft 111b, a battery replacement completion door closing button 112a, a door loose-leaf gear 113a, a door opening and closing transmission gear 113b, a battery storage compartment door 114a, a positioning rod fixing pin 115, and a positioning rod insertion hole 115a. The battery storage compartment door 11 is provided with a battery compartment door lock hole and a battery storage compartment infrared transmitter 114b, such as Figure 3 , Figure 4 , the door hinge gear 113a is meshed with the door switch transmission gear 113b, and the positioning rod fixing pin 115 is arranged below the positioning rod insertion hole 115a;

[0035] like Figure 2 The automatic battery fixing device comprises an automatic battery fixing screw 116a arranged above the battery body, a battery terminal clamp 116b matched with the battery terminal, a battery fixing groove 116c, and a screw driving motor 116d. A screw pulley 116e is axially movable and radially locked above the automatic battery fixing screw 116a. A motor pulley 116f is arranged on the screw driving motor. The automatic battery fixing device also comprises a transmission pulley 116g. The screw driving motor drives the automatic battery fixing screw 116a to rotate through the motor pulley 116f, the screw pulley 116e, and the transmission pulley 116g in sequence, so as to realize the up and down movement of the automatic battery fixing screw 116a.

[0036] Automatic door opening: The driver turns on the battery change button in the cab, turns on the door switch stepper motor 111a to rotate counterclockwise, turns on the screw drive motor 116d to drive the battery automatic fixing screw 116a to rotate clockwise and return it to the upper wall of the battery storage compartment 11. At the same time, the door switch transmission gear 113b is driven by the transmission shaft of the door switch stepper motor 111a to rotate 180 degrees counterclockwise, and the door loose-leaf gear 113a rotates 180 degrees clockwise, the battery storage compartment 11 door automatically opens, and the positioning pull rod fixing pin 115 rotates to a vertical upward position.

[0037] Automatically close the door: After the battery is replaced, the electric vehicle battery 12 enters the battery storage compartment 11 and touches the battery replacement completion button 112a, the door opening and closing stepper motor 111a is turned on to rotate clockwise, and the screw drive motor 116d is turned on to drive the battery automatic fixing screw 116a to rotate counterclockwise, and then lower it to lock the electric vehicle battery 12. At the same time, the door opening and closing stepper motor 111a drives the door opening and closing transmission gear 113b to rotate clockwise. On the one hand, the positioning rod fixing pin 115 rotates clockwise and is pressed back into the pin hole. The positioning rod fixing pin 115 disengages from the positioning rod jack 115a. At the same time, the door hinge gear rotates 180 degrees counterclockwise, and the battery storage compartment door is automatically closed.

[0038] The battery transmission device further includes bearings 117b disposed at both ends of the transmission roller 117a, a transmission roller gear 117c, and a transmission shaft gear 118b. The transmission roller gear 117c and the transmission shaft gear 118b are bevel gears and mesh with each other.

[0039] like Figure 5 The retractable shaft connector 119 includes a coupling sleeve 119a, a coupling positioning hole 119b, a coupling fixing pin 119c, a shaft connector shaft head 119d, a shaft connector shaft head connecting rod 119e, a shaft connector spring 119f, a shaft connector outer rod 119g, and a shaft connector inner rod 119h. The shaft connector shaft head connecting rod 119e is axially movable and radially locked with the shaft connector outer rod 119g. The shaft connector inner rod 119h is fixedly connected with the shaft connector outer rod 119g. The shaft connector shaft head 119d is connected to the shaft connector outer rod 119e. 9d has a ball protrusion 119i for radially locking in the coupling sleeve 119a, the coupling fixing pin 119c is used to fix the left and right positions of the coupling shaft head 119d, the coupling spring 119f is arranged at the rear end of the coupling shaft head connecting rod 119e, the battery transmission device also includes an external positioning device and an external transmission device with a transmission shaft, the coupling outer rod 119g can be rotatably fixed on the external positioning device, and the coupling inner rod 119h is connected to the transmission shaft of the external transmission device;

[0040] Transmission process: The external positioning device drives the shaft coupling outer rod 119g and the shaft coupling shaft head 119d to move to the left, and aligns with the coupling sleeve 119a through up and down front and back adjustment. Under the pressure of the shaft coupling outer rod 119g and the shaft coupling spring 119f, the shaft coupling shaft head 119d is inserted into the coupling sleeve 119a, and the coupling fixing pin 119c is inserted into the coupling positioning hole 119b. Since the coupling sleeve 119a is connected to the transmission shaft 118a in the battery compartment, the external power is transmitted to the electric vehicle battery storage compartment 11 through the retractable shaft coupling 119, driving the transmission roller 117a to rotate, thereby pushing or pushing the electric vehicle battery 12 placed on the transmission roller 117a into the battery storage compartment 11 to complete the battery replacement.

[0041] The left and right ends of the front side surface and the left and right ends of the front and rear side surfaces of the electric vehicle battery 12 are each provided with a limiting pulley with an axis perpendicular to the center line. The limiting pulley is slidably arranged on the inner wall of the battery receiving compartment, and the limiting pulley is used to limit the front and rear position of the battery in the battery receiving compartment 11.

[0042] The bottom of the battery accommodating compartment 11 is also provided with a load-bearing bridge chassis for bearing weight.

[0043] The present invention has been described in detail above. The above description is only a preferred embodiment of the present invention and should not limit the scope of implementation of the present invention. That is, any addition, reduction or replacement of general technical means made according to the scope of this application should still fall within the scope of the present invention.

Claims

1. An electric vehicle battery module that facilitates rapid battery replacement, characterized in that: The electric vehicle battery module includes a standardized battery storage compartment and an electric vehicle battery, wherein the battery storage compartment is fixedly arranged at a distance from the center axis of the front tire of the electric vehicle; The electric vehicle battery includes a battery body, left and right side protection irons of the battery, a battery communication module, and a battery monitoring alarm module. The battery communication module includes an identification chip and a signal transmitter. A battery terminal is also provided at the right end of the battery body. The battery storage compartment at least includes: an automatic door opening and closing device, an automatic battery fixing device, and a battery transmission device, wherein the battery transmission device at least includes a plurality of transmission rollers arranged below the battery body, a transmission shaft in the battery compartment for driving the transmission rollers, and a retractable shaft connector for connecting the transmission shaft; The automatic door opening and closing device includes a battery replacement button arranged in the cab of the electric vehicle, a door opening and closing stepping motor, a motor transmission shaft, a battery replacement completion door closing button, a door loose-leaf gear, a door opening and closing transmission gear, a battery accommodating compartment door, a positioning pull rod fixing pin, a positioning pull rod socket, and a battery accommodating compartment infrared transmitter. The battery accommodating compartment door is provided with a battery compartment door lock hole, the door loose-leaf gear and the door opening and closing transmission gear are meshed, and the positioning pull rod fixing pin is arranged below the positioning pull rod socket.

2. The electric vehicle battery module for facilitating quick battery replacement according to claim 1, characterized in that: The automatic battery fixing device comprises an automatic battery fixing screw arranged above the battery body, a battery terminal clamp matched with the battery terminal post, and a battery fixing slot.

3. The electric vehicle battery module for facilitating rapid battery replacement according to claim 1, characterized in that: The battery transmission device also includes bearings arranged at both ends of the transmission roller, a transmission roller gear, and a transmission shaft gear. The transmission roller gear and the transmission shaft gear are bevel gears and mesh with each other.

4. The electric vehicle battery module for facilitating rapid battery replacement according to claim 1, characterized in that: The telescopic shaft connector includes a shaft connector sleeve, a shaft connector positioning hole, a shaft connector fixing pin, a shaft connector shaft head, a shaft connector shaft head connecting rod, a shaft connector spring, a shaft connector outer rod, and a shaft connector inner rod. The shaft connector shaft head connecting rod is axially movably connected and radially locked with the shaft connector outer rod. The shaft connector inner rod is fixedly connected with the shaft connector outer rod. The shaft connector shaft head has a ball protrusion for radially locking in the shaft connector sleeve. The shaft connector fixing pin is used to fix the left and right positions of the shaft connector shaft head. The shaft connector spring is arranged at the rear end of the shaft connector shaft head connecting rod. The battery transmission device also includes an external positioning device.

5. The electric vehicle battery module for facilitating rapid battery replacement according to claim 1, characterized in that: The left and right ends of the front side surface and the left and right ends of the rear side surface of the electric vehicle battery are each provided with a limiting pulley with an axis perpendicular to the center line. The limiting pulley is slidably arranged on the inner wall of the battery receiving compartment, and the limiting pulley is used to limit the front and rear position of the battery in the battery receiving compartment.

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