CN113442783A

CN113442783A - Battery replacing cabinet

Info

Publication number: CN113442783A
Application number: CN202110871001.3A
Authority: CN
Inventors: 郑伟伟; 罗峥; 齐紫玉; 郑娅敏; 席兵荣; 陈斌斌
Original assignee: Sunwoda Electric Vehicle Battery Co Ltd
Current assignee: Sunwoda Electric Vehicle Battery Co Ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-09-28

Abstract

The invention discloses a battery replacing cabinet which comprises a cabinet body; the cabinet body comprises a first cavity and a second cavity, and the first cavity is sleeved in the second cavity; the cabinet door of the cabinet door is provided with a first transmission device, and the first transmission device is used for transmitting a battery pack; and a cabinet door traction device which is arranged in the second cavity and used for controlling the opening and the closing and the lifting of the cabinet door. The invention has the technical effects of improving the space utilization rate of the power exchange cabinet and realizing full-automatic or semi-automatic battery replacement.

Description

Battery replacing cabinet

Technical Field

The invention relates to the technical field of battery installation of electric automobiles, in particular to a battery replacing cabinet.

Background

At present, with the rapid global popularization of new energy vehicles, particularly pure electric vehicles, the problems of slow charging speed, short driving range, insufficient convenience and the like of electric vehicles become increasingly prominent, and the problems become the biggest bottleneck restricting the daily use of electric vehicles and the further development of the electric vehicle industry. Because of the electrochemical characteristics of the automobile battery and the power limitation of the grid node, the charging speed cannot be greatly improved in a short period, and the charging speed cannot be equivalent to the refueling speed of a fuel vehicle. At present, the aim of quickly recovering the power of the electric automobile can be obviously achieved by replacing the automobile battery, the use habit of a traditional automobile user is better met, and the method is the best choice for improving the user experience at present. However, due to the lack of unified standards, electric vehicles on the market are from different manufacturers, and batteries, electrical interfaces, mechanical interfaces, battery management system interfaces and the like of the manufacturers are different, so that unified battery replacement becomes the biggest obstacle for establishing an automobile battery replacement system.

The battery replacing cabinet is set to be the best choice for replacing batteries of the existing electric automobile, but the existing battery replacing cabinet has the problems of overlarge occupied area, insufficient space utilization rate and incapability of realizing full-automatic or semi-automatic battery pack replacement.

Disclosure of Invention

The invention aims to provide a power exchange cabinet, which can solve the technical problems that the existing power exchange cabinet is too large in occupied area, insufficient in space utilization rate, too small in storage capacity of battery packs, incapable of realizing full-automatic or semi-automatic replacement and the like.

In order to achieve the above object, the present invention provides a battery replacement cabinet, including: a cabinet body; the cabinet body comprises a first cavity and a second cavity, and the first cavity is sleeved in the second cavity; the cabinet door is provided with a first transmission device, and the first transmission device is used for transmitting the battery pack; and a cabinet door traction device which is arranged in the second cavity and used for controlling the opening and the closing and the lifting of the cabinet door.

Further, the cabinet door comprises: a door panel; and the first guide rail protrudes out of the door plate, and the first transmission device can be installed to the first guide rail in a sliding mode.

Further, the first transmission device includes: a sliding plate having a bottom surface slidably mounted to the first guide rail; a lifting device mounted to the top surface of the sliding plate; and a tray horizontally mounted to the top of the lifting device; a plurality of rotatable first rollers are arranged at the top of the tray.

Further, the sliding plate includes: a sliding plate body; the first sliding groove is recessed in the sliding plate body, and the first guide rail is matched with the first sliding groove; and the guide post protrudes out of two opposite inner side walls of the first sliding groove and is positioned in a gap between the first guide rail and the first sliding groove.

Further, the lifting device includes: a second guide rail fixed to a top surface of the sliding plate; a first bar having one end slidably fitted into the second rail and the other end hinged to the bottom surface of the tray; a second bar having one end hinged to the top surface of the sliding plate and the other end hinged to the bottom surface of the tray; and a telescopic rod having one end hinged to the top surface of the sliding plate and the other end hinged to the first bar-shaped member.

Further, the tray comprises a baffle protruding from the edge of the tray and perpendicular to the top surface of the tray.

Further, the cabinet door further comprises: the second transmission device is arranged between the first transmission device and the cabinet body; and a plurality of rotatable second rollers are arranged at the top of the second transmission device.

Further, the cabinet body is internally provided with a mounting plate which is fixed to the inner side wall of the first cavity.

Further, the battery replacement cabinet comprises a third transmission device, the third transmission device is arranged in the first cavity, and the third transmission device comprises a plurality of third rollers.

Further, the cabinet door traction device comprises: the v-shaped cabinet door traction device is arranged in the second cavity of the cabinet body and is close to the cabinet door; the v-shaped cabinet door traction device comprises a column and a beam; wire grooves are respectively arranged at two ends of the top of the cross beam.

Further, the cabinet door traction device further comprises: the first motor is arranged at the top of the second cavity and is fixed to the cabinet body; the first transmission shaft is rotatably connected into the cabinet body and is connected to the first motor through a first transmission mechanism; the central axis of the first transmission shaft is parallel to the central line of the cross beam; two ends of the first transmission shaft are respectively and fixedly provided with a first take-up pulley; and one end of the first traction rope is fixed to the cabinet door, the other end of the first traction rope bypasses the wire slot and is fixed to the first take-up pulley, and the first take-up pulley is used for containing the first traction rope.

Further, the cabinet door traction device further comprises: the third sliding chute is arranged in the upright post; the sliding block sleeve is sleeved outside the upright post in a sliding manner; the sliding block sleeve is provided with a pulley, can be rotatably connected to the sliding block sleeve and is positioned in the third sliding groove; the second motor is arranged at the top of the second cavity and is fixed to the cabinet body; the second transmission shaft is rotatably connected to the top end of the upright post and is connected to the second motor through a second transmission mechanism; the central axis of the second transmission shaft is parallel to the central line of the cross beam; two ends of the second transmission shaft are respectively and fixedly provided with a second take-up pulley; and one end of the second traction rope is fixed to the upright post, the other end of the second traction rope is fixed to the second take-up pulley by winding the pulley, and the second take-up pulley is used for accommodating the second traction rope.

Furthermore, bayonets are respectively arranged on two sides of the cabinet door, a pop-up clamping block is sleeved on the sliding block, and the pop-up clamping block is telescopically clamped into the bayonets.

The technical effect of the invention is that the cabinet door of the electricity-changing cabinet is directly turned over to be used as the moving channel of the battery pack, and no other channel area or carrier placing area is needed to be arranged in the cabinet body, so that the floor area of the electricity-changing cabinet is reduced, the utilization rate of the space in the cabinet body is greatly improved, and the storage capacity of the battery pack is improved. Meanwhile, automatic conveying of the battery pack is achieved, manpower and material resources are saved, and conveying and replacing efficiency of the battery pack is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a perspective structural view of a power exchange cabinet provided in an embodiment of the present invention;

fig. 2 is a perspective structural view of a cabinet provided in an embodiment of the present invention;

fig. 3 is a schematic view of a connection structure of a motor according to an embodiment of the present invention;

fig. 4 is a schematic connection diagram of a cabinet door traction device and a cabinet door provided by the embodiment of the invention;

FIG. 5 is a schematic structural diagram of a cabinet door provided in an embodiment of the present invention;

fig. 6 is a schematic view of a first guide rail on a slide plate according to an embodiment of the present invention;

fig. 7 is a schematic view of a bottom structure of a sliding panel according to an embodiment of the present invention;

fig. 8 is a schematic view of a lifting device on a sliding plate according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a cabinet door traction device provided by the embodiment of the invention;

fig. 10 is a schematic structural diagram of a side edge of a cabinet door traction device provided by the embodiment of the invention;

FIG. 11 is a partial enlarged view of a cabinet door pulling device provided by the embodiment of the invention;

FIG. 12 is a schematic view of a slider cover engaged with a door panel according to an embodiment of the present invention;

fig. 13 is a schematic diagram of a battery pack for an electric vehicle according to an embodiment of the present invention.

Description of reference numerals:

100. a power exchange cabinet; 200. a battery pack; 300. a parking space; 400. an electric vehicle;

1. a cabinet body; 2. a cabinet door; 3. a cabinet door traction device;

101. a first cavity; 102. a second cavity;

201. a rotating end; 202. a traction end;

10. a display screen; 11. a third transmission device; 12. a first motor; 13. a second motor; 14. mounting a plate;

111. a third roller;

121. a first drive shaft; 122. a first take-up pulley; 123. a first pull cord; 131. a second drive shaft; 132. a second take-up pulley; 133. a second pull cord;

21. a door panel; 22. a first transmission device; 23. a second transmission device;

211. a first guide rail; 212. a bayonet; 221. a sliding plate; 222. a lifting device; 223. a tray; 224. a sensor;

2211. a sliding plate body; 2212. a first chute; 2213. a guide post; 2214. a first roller;

2221. a second guide rail; 2222. a first bar; 2223. a second bar; 2224. a telescopic rod;

2231. a baffle plate;

231. a second roller;

31. a v 21274h-shaped cabinet door traction device; 32. a third chute; 33. a slide block sleeve;

311. a column; 312. a cross beam; 313. a wire slot; 331. a spring-out fixture block;

310. a lifting device; 401. and (7) wheels.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Furthermore, it should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, and are not intended to limit the present invention. In the present invention, unless otherwise specified, the use of directional terms such as "upper" and "lower" generally means upper and lower in the actual use or operation of the device, particularly in the orientation of the figures of the drawings; while "inner" and "outer" are with respect to the outline of the device.

The embodiment of the invention provides a battery replacement cabinet, which comprises a cabinet body; the cabinet body comprises a first cavity and a second cavity, and the first cavity is sleeved in the second cavity; the cabinet door is provided with a first transmission device, and the first transmission device is used for transmitting the battery pack; and a cabinet door traction device which is arranged in the second cavity and used for controlling the opening and the closing and the lifting of the cabinet door. These will be described in detail below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.

As shown in fig. 1 to 13, an embodiment of the invention provides a battery replacement cabinet 100, where the battery replacement cabinet 100 includes a cabinet body 1, a cabinet door 2, and a cabinet door traction device 3, and when the cabinet door 2 is opened, the cabinet door 2 is horizontally disposed. The power exchange cabinet 100 is used for storing and exchanging the battery pack 200, and includes the outlet and inlet of the battery pack 200.

As shown in fig. 2, the cabinet body 1 includes a first cavity 101 and a second cavity 102, wherein the volume of the first cavity 101 is smaller than the volume of the second cavity 102, and specifically, the first cavity 101 is sleeved in the second cavity 102.

A vertically arranged mounting plate 14 is installed in the first chamber body 101, and the mounting plate 14 is fixed on the inner side wall of the first chamber body 101. A plurality of third transmission devices 11 arranged in a matrix are arranged in the first cavity 101, in the matrix, the distance between two adjacent third transmission devices 11 positioned in the same vertical column is greater than the height of the battery pack 200, and the difference of the height difference between the horizontal plane where the lowest third transmission device 11 is positioned and the top surface of the horizontally arranged cabinet door 2 after being opened is less than or equal to a preset threshold value, so that the battery pack 200 is ensured not to deviate from the track due to the overlarge height difference when being conveyed from the cabinet body 1 to the cabinet door 2.

The third transmission device 11 is used for placing and horizontally conveying the battery packs 200, and two ends of the third transmission device 11 are fixedly mounted to the inner side wall and/or the mounting plate 14 of the first cavity 101, specifically, in this embodiment, when the width of the battery changing cabinet 100 is small and only a vertical row of battery packs can be accommodated, the mounting plate may not be disposed in the first cavity 101, and at this time, two ends of the third transmission device 11 are directly and fixedly mounted to two inner side walls of the first cavity 101; when the width of the power exchange cabinet 100 is large and the floor area is large, the battery packs contained in the power exchange cabinet 100 need to be arranged in multiple rows, in this case, the mounting plates 14 need to be arranged in the first cavity 101, and the number of the mounting plates 14 can be determined according to the size of the power exchange cabinet 100 and can be one or more.

When there is only one mounting plate 14 in the first cavity 101, correspondingly, one end of the third transmission device 11 is fixed to one inner side wall of the first cavity 101, and the other end is fixed to the mounting plate 14; when a plurality of mounting plates 14 are disposed in the first cavity 101, one end of a part of the third transmission device 11 is fixed to an inner sidewall of the first cavity 101, the other end of the part of the third transmission device 11 is fixed to the mounting plates 14, and both ends of the other part of the third transmission device 11 are respectively fixed to the mounting plates 14.

As shown in fig. 3, the third transmission device 11 includes a plurality of third rollers 111 parallel to each other and rotatably mounted to at least one side wall of the cabinet 1 and/or perpendicular to at least one mounting plate 14, and the arrangement of the third transmission device 11 is the same as that described above and will not be further described herein. The top surfaces of the third rollers 111 are located in the same plane, the bottom surfaces of the third rollers 111 are located in the same plane, the third rollers 111 are driving rollers or driven rollers, at least one driven roller is arranged between every two adjacent driving rollers, the driving rollers are controlled by a motor, the driven rollers are not controlled by a motor, and can be driven by the driving rollers to roll. In this embodiment, preferably, the driving rollers and the driven rollers are arranged adjacently, and every two adjacent driving rollers are arranged at intervals, that is, one driven roller is arranged between two adjacent driving rollers at intervals.

A first motor 12 and a second motor 13 are arranged in the second cavity 102, the first motor 12 is used for independently controlling the turning and opening of the cabinet door 2, and the first motor 12 and the second motor 13 are used for controlling the up-and-down lifting movement of the cabinet door 2 together.

As shown in fig. 4, the cabinet door 2 is a side wall of the cabinet 1, the cabinet door 2 includes a rotating end 201 and a pulling end 202, which are oppositely disposed, the rotating end 201 is rotatably connected to the bottom of the cabinet 1, that is, to the bottom of the cabinet door pulling device 3, and the pulling end 202 is pulled to the top of the cabinet 1 by the first pulling rope 123.

As shown in fig. 5 and 6, the cabinet door 2 includes a door panel 21 and a first transmission device 22. The door panel 21 is provided with a first guide rail 211, and the first guide rail 211 protrudes out of the door panel 21. The first guide rail 211 extends from the rotating end 201 to the drawing end 202 of the cabinet door 2, and when the cabinet door 2 is in an open state, the first guide rail 211 protrudes above the door panel 21 and extends from the rotating end 201 to the drawing end 202 of the cabinet door 2; when the cabinet door 2 is in a closed state, the first guide rail 211 protrudes out of the door panel 21 and faces the cavity of the cabinet body 1.

As shown in fig. 5, the first transmission 22 is slidably mounted to the first guide rail 211, and the first transmission 22 includes a sliding plate 221, a lifting device 222, a tray 223, and a sensor 224. The first transmission 22 is used for transmitting the battery pack.

As shown in fig. 7, the bottom surface of the sliding plate 221 is slidably mounted to the first guide rail 211, the sliding plate 221 includes a sliding plate body 2211, a first sliding slot 2212 and a guide post 2213, the first guide rail 211 is matched with the first sliding slot 2212, so that the first guide rail 211 slides in the first sliding slot 2212 for conveying the battery pack 200 conveyed out of the cabinet 1 to the outside of the cabinet door 2. The first sliding grooves 2212 are recessed from the bottom surface of the sliding plate body 2211, and each first guide rail 211 is located in one of the first sliding grooves 2212. The guide posts 2213 protrude from two inner side walls of the first sliding groove 2212 opposite to each other, and are located in a gap between the first guide rail 211 and the first sliding groove 2212.

As shown in fig. 6, since the cross section of the first guide rail 211 is "i" shaped, and the first sliding slot 2212 is a long-strip-shaped groove, when the first guide rail 211 is installed to the first sliding slot 2212, since the shapes of the first guide rail 211 and the first sliding slot 2212 are not completely corresponding, and a gap is left between the first sliding slot 2212 and the first guide rail 211, the guide post 2213 is required to limit the first guide rail 211, so as to ensure that the sliding of the sliding plate 221 is in a stable state, and the sliding track slides along the first sliding slot 2212, thereby avoiding the phenomenon that the first guide rail 211 slides out of the first sliding slot 2212 in the sliding process.

As shown in fig. 8, the lifting device 222 is mounted to the top surface of the sliding plate 221, and the lifting device 222 includes a second guide rail 2221, a first bar 2222, a second bar 2223, and an expansion link 2224. The second rail 2221 is fixed to the top surface of the sliding plate 221 in the same extending direction as the first rail 211. The top surface of the second rail 2221 is provided with a second sliding groove (not shown), which is used for accommodating a strip-shaped member. One end of the first bar 2222 is slidably fitted into the second sliding groove of the second rail 2221, and the other end thereof is hinged to the bottom surface of the tray 223. The second bar 2223 has one end hinged to the top surface of the sliding plate 221 and the other end hinged to the bottom surface of the tray 223. A plurality of first and

second bars

2222 and 2223 having the same length may be provided in the lifting device 222, and the first and

second bars

2222 and 2223 are hinged together at the center. The telescopic bar 2224 has one end hinged to the top surface of the sliding plate 221 and the other end hinged to the first bar 2222, thereby performing a telescopic function. The lifting device 222 is used for lifting the tray 223 above the lifting device, and the battery pack 200 to be transported is arranged on the tray 223. The telescopic rod 2224 of the lifting device 222 is extended and stretched to drive the first bar 2222 and the second bar 2223 to move upwards together, so that the tray 223 above the first bar moves upwards, and the lifting function of the lifting device 222 is realized; after the telescopic rod 2224 of the lifting device 222 is compressed, the first bar 2222 and the second bar 2223 are driven to move downwards, so that the tray 223 above the first bar moves downwards, and the lowering function of the lifting device 222 is realized.

The tray 223 is horizontally installed on the top of the lifting device 222, a plurality of rotatable first rollers 2214 are arranged on the top of the tray 223, and the upper parts of the first rollers 2214 protrude out of the top surface of the tray 223. First roller 2214 is initiative roller or driven roller, is equipped with an at least driven roller between two adjacent initiative rollers, the initiative roller is by motor control, driven roller is not controlled by the motor, can by the initiative roller drives and rolls. In this embodiment, preferably, the driving rollers and the driven rollers are arranged adjacently, and every two adjacent driving rollers are arranged at intervals, that is, one driven roller is arranged between two adjacent driving rollers at intervals.

The tray 223 includes a baffle 2231, and the baffle 2231 protrudes from the edge of the tray 223 and is perpendicular to the top surface of the tray 223, in this embodiment, the baffle 2231 is preferably disposed at one end of the tray 223 far away from the cabinet 1, that is, the foremost end of the tray 223, so as to block the battery pack 200, prevent the battery pack 200 from being excessively transferred due to factors such as inertia during the transferring process, and rushing out of the first transmission device 22, thereby ensuring the safety of the battery pack 200.

As shown in fig. 5, in the present embodiment, the cabinet door 2 further includes a second transmission device 23, and the second transmission device 23 is used for transmitting the battery pack. The second transmission device 23 is disposed between the first transmission device 22 and the cabinet 1, the second transmission device 23 may be fixed to the upper surface of the sliding plate body 2211, and the upper surface of the first transmission device 22 is flush with the upper surface of the second transmission device 23, so as to ensure smooth transmission of the battery pack 200. The top of the second transmission device 23 is provided with a plurality of rotatable second rollers 231, and the upper part of the second rollers 231 protrudes out of the top surface of the second transmission device 23.

The top surfaces of the second rollers 231 are located in the same plane, the bottom surfaces of the second rollers 231 are located in the same plane, the second rollers 231 are driving rollers or driven rollers, at least one driven roller is arranged between every two adjacent driving rollers, the driving rollers are controlled by a motor, and the driven rollers are not controlled by the motor. In this embodiment, preferably, the driving rollers and the driven rollers are arranged adjacently, and every two adjacent driving rollers are arranged at intervals, that is, one driven roller is arranged between two adjacent driving rollers at intervals.

When the battery package 200 in the cabinet body 1 is in a large number, when the height of the cabinet body 1 is high, correspondingly, the length of the cabinet door 2 is also long, if only the first transmission device 22 is provided at this moment, the size of the tray 223 is similar to that of the cabinet door 2, and the size of the tray 223 is far larger than that of the battery package 200, then the whole tray 223 moves up and down together when the lifting device 222 is lifted, the tray 223 has an excessively large size, and cannot be lifted and lowered in a battery replacement area of an electric automobile, so the second transmission device 23 is arranged between the first transmission device 22 and the cabinet body 1 in the embodiment, the first transmission device 22 and the second transmission device 23 transmit the battery package 200 together, when lifted and lowered, only the tray 223 of the first transmission device 22 is required to be lifted and lowered, and raised and lowered operations of the tray 223 below the electric automobile are facilitated.

When the number of the battery packs 200 in the cabinet body 1 is small and the height of the cabinet body 1 is not high, correspondingly, the length of the cabinet door 2 is not long, and at the moment, the lifting operation of the tray 223 is not affected by the size, so that the second transmission device 23 does not need to be added to transmit the battery packs 200, and only the first transmission device 22 is needed.

The cabinet door traction device 3 is installed in the second cavity 102 of the cabinet body 1 to control the opening and closing and lifting of the cabinet door 2. As shown in fig. 4, the cabinet door pulling device 3 is connected to the turning end 201 of the cabinet door 2.

As shown in fig. 9-11, the cabinet door pulling device 3 comprises a v-21274, a shaped cabinet door pulling device 31, a third sliding groove 32 and a sliding block sleeve 33. The 21274H-shaped cabinet door traction device 31 is arranged in the second cavity 102 of the cabinet body 1 and is close to the cabinet door 2. The v-21274h-shaped cabinet door traction device 31 comprises two upright posts 311 arranged vertically and a cross beam 312 arranged horizontally, and two wire grooves 312 are respectively arranged at two ends of the top of the cross beam 312.

The first motor 12 is disposed at the top of the second cavity 102 and fixed in the cabinet 1, the first transmission shaft 121 is rotatably connected to the second cavity 102, and two ends of the first transmission shaft are respectively connected to the inner sidewall of the second cavity 102 and connected to the rotor of the first motor 12 through the first transmission mechanism. The central axis of the first transmission shaft 121 is parallel to the central axis of the cross beam 312, a first wire winding wheel 122 is fixedly installed at each of two ends of the first transmission shaft 121, one end of each of the two first traction ropes 123 is fixed to the traction end 202 of the cabinet door 2, the other end of each of the two first traction ropes 123 bypasses the wire slot 313 at the top of the cross beam 312 and is fixed to the first wire winding wheel 122, and the first wire winding wheel 122 is used for accommodating the first traction rope 123.

The two third sliding grooves 32 are disposed in the side walls of the two columns 311, and specifically, the two third sliding grooves 32 are recessed in the opposite side walls of the two columns 311, and extend from the top to the bottom of the columns 311.

The two sliding block sleeves 33 are slidably sleeved outside the upright column 311, and each sliding block sleeve 33 is provided with at least one pulley, rotatably connected to the sliding block sleeve 33, and located in the third sliding groove 32.

The second motor 13 is disposed at the top of the second cavity 102, and is fixed in the cabinet 1 and fixed in the second cavity 102 of the cabinet 1. The two ends of the second transmission shaft 131 are rotatably connected to the top ends of the two upright posts 311 respectively, and are connected to the rotor of the second motor 13 through the second transmission mechanism. The central axis of the second transmission shaft 131 is parallel to the central axis of the cross beam 312, and two ends of the second transmission shaft 131 are respectively and fixedly provided with a second take-up pulley 132. One end of each of the two second pulling ropes 131 is fixed to the upright post 311 below the second transmission shaft 131, and the other end of each of the two second pulling ropes 131 is fixed to a second take-up pulley 132 by passing around a pulley, wherein the second take-up pulley 132 is used for accommodating the second pulling rope 133.

As shown in fig. 12, bayonets 212 are provided on both sides of the cabinet door 2, specifically, bayonets 212 are provided at the lower ends of both side walls of the door panel 21 near the sliding blocks 33; each sliding block 33 is provided with a pop-up latch 331 which is telescopically snapped into one of the bayonets 212, and a spring is arranged in the pop-up latch 331 and is used for popping up and compressing the pop-up latch 331.

When the spring outwards popped up, the pop-up type fixture block 331 of the slider sleeve 33 is mutually clamped with the bayonet 212 of the cabinet door 2, so that the cabinet door 2 is locked, and at the moment, the cabinet door 2 can not be turned over to open and close and can only move up and down.

When the spring inwards compresses, the pop-up clamping block 331 of the sliding block sleeve 33 is separated from the clamping opening 212 of the cabinet door 2, and is not clamped, and at the moment, the cabinet door 2 can be turned over, opened and closed and cannot move up and down.

As shown in fig. 1, the bottom of cabinet door 2 is fixed to the bottom of cabinet door draw gear 3, the top of cabinet door 2 can overturn, cabinet door 2 perpendicular to cabinet body 1 sets up when upset angle is the biggest, cabinet door 2 is flat to ground flatly promptly, the both sides of the end 202 that pulls of cabinet door 2 are respectively pulled by first haulage rope 123, wire casing 313 at cabinet door draw gear 3 top is walked around to first haulage rope 123, and extend to the both ends of first transmission shaft 121, first motor 12 starts the back, the coiling and the release of steerable first haulage rope 123, and then the end 202 that pulls of control cabinet door 2 releases downwards or upwards stretches, realize opening and shutting and closing of cabinet door 2 promptly.

The first motor 12 is located more inward than the second motor 13 and inside the second cavity 102, and the second motor 13 is located at the edge of the second cavity 102 and is disposed corresponding to the cabinet door traction device 3. The first motor 12 and the second motor 13 are independently controlled.

A plurality of sensors 224 are arranged on the tray 223, in the present embodiment, the sensors 224 are preferably arranged at four corners of the tray 223, the sensors 224 are used for sensing the battery packs 200, the sensing range of the sensors 224 is set in the tray 223, the sensors 224 sense the presence of the complete battery packs 200 in the sensing range, that is, the battery packs 200 are completely transferred to the tray 223, it is ensured that the battery packs 200 are transferred in place, at this time, the lifting device 222 can be started to lift the battery packs, situations such as dropping of the battery packs in the lifting process due to inaccurate alignment of the battery packs are avoided, and the safety of the battery packs is protected.

The distribution intervals between the first rollers 2214 on the first transmission device 22 and the second rollers 231 on the second transmission device 23 may be the same or different, and specifically, as long as the distribution intervals between the rollers on the same transmission device are the same and the rolling frequency of the rollers of the transmission device is the same, stable transmission of the battery pack can be ensured.

The sliding and extending of the sliding plate 221 may extend the tray 223 carrying the battery pack 200 to a target area, which may be a battery installation area of the electric vehicle, or a position of a battery pack transfer vehicle for subsequent battery pack transfer by the battery pack transfer vehicle, and the like.

In this embodiment, the battery pack mounting groove of the electric vehicle is disposed at the bottom of the vehicle, the battery replacing cabinet 100 is disposed beside a parking space, and when the battery pack of the electric vehicle needs to be replaced, the electric vehicle travels to the parking space. As shown in fig. 13, a lifting device 310 is disposed in the parking space 300 at a position corresponding to the wheel 401 of the electric vehicle 400, and the lifting device 310 is configured to lift the electric vehicle 400 with the battery to be replaced so as to leave a sufficient space between the lower side of the electric vehicle 400 and the ground to accommodate the first transmission device 22.

The target area is preferably a battery installation area of the electric automobile, namely the position corresponding to the battery pack installation groove in the parking space. After the battery pack 200 reaches the installation area, the lifting device 222 can be started, the lifting device 222 can achieve a lifting distance of 10-20 cm, the lifting distance of the lifting device 222 is controlled according to actual conditions, the lifting device 222 descends to the bottom after the battery pack 200 is conveyed to the battery installation area, and the sliding plate 221 retracts.

As shown in fig. 2, a display screen 10 is arranged on the outer side surface of the cabinet body 1, the display screen 10 can be a touch display screen or a non-touch display screen, and when the display screen 10 is a touch display screen, the state of the cabinet door 2 can be directly selected on the display screen 10, that is, whether the cabinet door 2 is in an overturning opening and closing state or a vertical lifting state; when the display screen 10 is a non-touch display screen, the display screen 10 only has a display function, and whether the current cabinet door 2 is in a turning opening and closing state or a lifting state can be checked.

In this embodiment, when taking the battery pack, the method specifically includes the following steps: the first motor 12 is started, the cabinet door 2 is opened, the cabinet door 2 is turned to a horizontal state, at the moment, the spring in the sliding block sleeve 33 is popped out, and the sliding block sleeve 33 and the cabinet door 2 are locked to prevent the cabinet door from being turned again. The battery pack to be taken is selected, the first motor 12 and the second motor 13 are started, and the cabinet door 2 is controlled to ascend and descend through the second traction rope 133 in the third sliding groove 32, so that the cabinet door reaches a target place, the target place is the area where the battery pack to be taken is located, and at the moment, the third transmission device 11 and the second transmission device 23 are located on the same plane, and normal transmission of the battery pack is guaranteed. Each battery pack is controlled by a motor independently, the motor ejects the battery pack, meanwhile, a third transmission device 11 below the motor is started, the battery pack is conveyed outwards to a second transmission device 23, is transmitted to a first transmission device 22 through the second transmission device 23, and is stopped after being monitored in place by a sensor 224. The sliding plate 221 slides outward to extend to a target area, at this time, the lifting device 222 is started, the battery pack is conveyed in place after being lifted to a certain distance, and after the battery pack is conveyed to the target area, the lifting device 222 descends to the bottom, and the sliding plate 221 is retracted.

In this embodiment, returning the battery pack specifically includes the following steps: the first motor 12 is started, the cabinet door 2 is opened, the cabinet door 2 is turned to the horizontal state, at the moment, the spring in the sliding block sleeve 33 is popped out, the sliding block sleeve 33 and the cabinet door 2 are locked, and the cabinet door is prevented from being turned again. The sliding plate 221 slides outwards to extend to a target area, at this time, the lifting device 222 is started, the battery pack is taken back after the sliding plate is lifted to a certain distance, the lifting device 222 is lowered to the bottom, the sliding plate 221 retracts to the original position, after a free area to be returned is determined, the second motor 13 is started, the lifting is controlled through the second traction rope 133 in the third sliding groove 32, so that the cabinet door 2 reaches a target position, the target position is the free area where the battery pack to be returned is located, at this time, the second transmission device 23 of the cabinet door 2 is flush with the surface of the third transmission device 11 in the free area, and the normal transmission of the battery pack is ensured. And the battery packs are sequentially transmitted from the first transmission device 22 to the second transmission device 23 and then to the third transmission device 11, and the transmission is stopped after the battery packs are monitored to be in place by the sensors in the idle area, so that the complete return of the battery packs is completed. After the sliding plate 221 and the lifting device 222 return to the original positions, the spring in the sliding block sleeve 33 retracts to separate the pop-up type clamping block 331 from the bayonet 212, and after the first motor 12 is started, the cabinet door 2 is turned upwards and closed under the action of the first traction rope 123.

This embodiment the technical effect who trades the electricity cabinet lies in, directly will trade the removal passageway of taking the battery package after the cabinet door upset of electricity cabinet, need not to set up the region of placing of other passageway region and carrier at the internal area that need not of cabinet, reduces the area who trades the electricity cabinet, improves the utilization ratio of internal space of cabinet greatly, improves the storage capacity of battery package. Meanwhile, automatic conveying of the battery pack is achieved, manpower and material resources are saved, and conveying and replacing efficiency of the battery pack is improved.

The above describes in detail a battery replacement cabinet provided in an embodiment of the present invention, and a specific example is applied in the description to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. A battery changing cabinet is characterized by comprising:

a cabinet body; the cabinet body comprises a first cavity and a second cavity, and the first cavity is sleeved in the second cavity;

the cabinet door is provided with a first transmission device, and the first transmission device is used for transmitting the battery pack; and

and the cabinet door traction device is arranged in the second cavity and used for controlling the opening and the closing and the lifting of the cabinet door.

2. The battery changing cabinet as claimed in claim 1, wherein the cabinet door comprises:

a door panel;

the first guide rail protrudes out of the door plate, and the first transmission device can be installed to the first guide rail in a sliding mode.

3. The battery changing cabinet as claimed in claim 2, wherein the first transmission device comprises:

a sliding plate having a bottom surface slidably mounted to the first guide rail;

a lifting device mounted to the top surface of the sliding plate; and

a tray horizontally mounted to the top of the lifting device; a plurality of rotatable first rollers are arranged at the top of the tray.

4. The cabinet according to claim 3, wherein said sliding panel comprises:

a sliding plate body;

the first sliding groove is recessed in the sliding plate body, and the first guide rail is matched with the first sliding groove; and

the guide post protrudes out of two opposite inner side walls of the first sliding groove and is positioned in a gap between the first guide rail and the first sliding groove.

5. The cabinet according to claim 3, wherein said lifting means comprises:

a second guide rail fixed to a top surface of the sliding plate;

a first bar having one end slidably fitted into the second rail and the other end hinged to the bottom surface of the tray;

a second bar having one end hinged to the top surface of the sliding plate and the other end hinged to the bottom surface of the tray; and

a telescopic rod having one end hinged to the top surface of the sliding plate and the other end hinged to the first bar.

6. The cabinet of claim 3, wherein the tray includes a baffle projecting from an edge of the tray and perpendicular to a top surface of the tray.

7. The battery replacement cabinet as recited in claim 1, wherein the cabinet door further comprises:

the second transmission device is arranged between the first transmission device and the cabinet body; and a plurality of rotatable second rollers are arranged at the top of the second transmission device.

8. The battery changing cabinet according to claim 1,

the internal mounting panel that is provided with of cabinet, the mounting panel is fixed extremely the inside wall of first cavity.

9. The battery changing cabinet according to claim 1,

the cabinet body includes third transmission, third transmission locates in the first cavity, third transmission includes a plurality of third rollers.

10. The battery replacement cabinet as recited in claim 1, wherein the cabinet door traction device comprises:

the v-shaped cabinet door traction device is arranged in the second cavity of the cabinet body and is close to the cabinet door; the v-shaped cabinet door traction device comprises a column and a beam; wire grooves are respectively arranged at two ends of the top of the cross beam.

11. The battery replacement cabinet as recited in claim 10, wherein the cabinet door traction device further comprises:

the first motor is arranged at the top of the second cavity and is fixed to the cabinet body;

the first transmission shaft is rotatably connected into the second cavity and is connected to the first motor through a first transmission mechanism; the central axis of the first transmission shaft is parallel to the central line of the cross beam; two ends of the first transmission shaft are respectively and fixedly provided with a first take-up pulley; and

one end of the first traction rope is fixed to the cabinet door, the other end of the first traction rope bypasses the wire slot and is fixed to the first take-up pulley, and the first take-up pulley is used for containing the first traction rope.

12. The battery replacement cabinet as recited in claim 10, wherein the cabinet door traction device further comprises:

the third sliding chute is arranged in the upright post;

the sliding block sleeve is sleeved outside the upright post in a sliding manner; the sliding block sleeve is provided with a pulley, can be rotatably connected to the sliding block sleeve and is positioned in the third sliding groove;

the second motor is arranged at the top of the second cavity and is fixed to the cabinet body;

the second transmission shaft is rotatably connected to the top end of the upright post and is connected to the second motor through a second transmission mechanism; the central axis of the second transmission shaft is parallel to the central line of the cross beam; two ends of the second transmission shaft are respectively and fixedly provided with a second take-up pulley; and

and one end of the second traction rope is fixed to the upright post, the other end of the second traction rope is fixed to the second take-up pulley by winding the pulley, and the second take-up pulley is used for accommodating the second traction rope.

13. The battery changing cabinet as recited in claim 12,

bayonets are respectively arranged on two sides of the cabinet door, a pop-up clamping block is sleeved on the sliding block, and the pop-up clamping block is telescopically clamped into the bayonets.