CN115158085A - Electricity changing cabinet combination and electricity changing method of electricity changing cabinet combination - Google Patents

Abstract

The invention discloses a power changing cabinet combination and a power changing method of the power changing cabinet combination, and relates to the technical field of power changing cabinets of electric vehicles. The invention relates to a power exchange cabinet combination and a power exchange method of the power exchange cabinet combination, which have high resource utilization rate.

Description

Electricity changing cabinet combination and electricity changing method of electricity changing cabinet combination

Technical Field

The invention relates to the technical field of battery changing cabinets of electric vehicles, in particular to a battery changing cabinet combination and a battery changing method of the battery changing cabinet combination.

Background

The power exchange cabinet is a cabinet capable of storing batteries of an electric vehicle and automatically charging, the appearance of the power exchange cabinet is similar to that of a storage cabinet, a plurality of grids are arranged, each grid can store the battery of the electric vehicle, the batteries of the electric vehicle can be charged and exchanged through a display screen or a two-dimensional code on the cabinet, a main cabinet comprises a cabinet body, a function cabin, an internet of things service system, a cabinet control system, an intelligent power supply, a heat exchange, a fire control and accessories and the like, a display screen and a camera are configured, wired charging can be simultaneously carried out on a plurality of lithium battery packs for exchanging batteries, and a complete set of battery pack replacing operation can be realized.

However, although the existing charging cabinet is extremely convenient in the using process, an empty extension cabinet is always arranged in the arrangement process, in the specific using process, a battery pack of an electric vehicle of a user is taken down by a salesperson or an express worker and put into an empty box, the battery pack which is fully charged is taken out from other boxes, then the empty box is reserved, and the steps are repeated, so that the extension cabinet is always in an empty box state in the using process of a battery changing cabinet, the existing charging cabinet is always integrally and fixedly installed, the number of the extension cabinets cannot be actually installed according to the activity frequency of the salesperson in an installation area, and a new solution is necessary to be provided.

An expansion cabinet is always in an empty box state in the existing charging cabinet, so that the charging efficiency is to be improved, and the number of the expansion cabinets suitable for the activity frequency of the current regional salesmen cannot be selected according to actual requirements.

Disclosure of Invention

The invention mainly aims to provide a power exchange cabinet combination and a power exchange method of the power exchange cabinet combination, which can effectively solve the problems that in the prior art, an expansion cabinet is always in an empty box state in the existing charging cabinet, the charging efficiency needs to be improved, and the number of extension cabinets suitable for the activity frequency of a salesman in a current area cannot be selected according to actual requirements.

In order to achieve the purpose, the invention adopts the technical scheme that: a power exchange cabinet combination comprises a power exchange cabinet combination device and a power exchange control system for controlling the power exchange cabinet combination device;

the battery replacement cabinet combined device comprises a main cabinet mechanism, an expansion cabinet mechanism and a supporting mechanism, wherein the main cabinet mechanism comprises a main cabinet body, the side wall of the main cabinet body is relatively provided with a first slot block, the bottom of the main cabinet body is relatively provided with a first tongue-and-groove, the first slot block is provided with a first square through hole, the side wall of the first slot block is provided with a first through hole, and the first through hole is perpendicular to and communicated with the square through hole;

the expansion cabinet mechanism comprises an expansion cabinet body, wherein a first square bar is oppositely arranged on the upper portion of the side wall of the expansion cabinet body, a first tenon block is oppositely arranged on the upper portion of the expansion cabinet body, the first tenon block is matched with a first tenon groove, the first tenon block just enters the first tenon groove during installation and is fixed by using corresponding screws, a first threaded through hole is formed in the side wall of the first square bar, the first square bar is positioned inside the first square through hole, the first threaded through hole is matched with the first through hole in position, a first bolt is movably arranged in the first through hole, one end of the first bolt is in threaded connection with the first threaded through hole, a second slot block is arranged at the bottom of the side face of the expansion cabinet body, and a second tenon groove is oppositely arranged at the bottom of the expansion cabinet body, the second slot block is provided with a second square through hole, the side wall of the second slot block is provided with a second through hole, the second through hole and the second square through hole are perpendicular to each other and are communicated with each other, the second square through hole in the second slot block can be used for allowing a second square bar on the supporting plate to enter, the installation of the supporting plate and the expansion cabinet body is completed, the second square through hole in the second slot block can also be used for allowing a first square bar on other expansion cabinet bodies to enter, the laminated installation of the expansion cabinet bodies is realized, the expansion cabinet bodies with different numbers are installed according to actual needs in the area, and the activity frequency of the takeout persons in the installation area is determined by the number of takeout stations and the number of riders in the takeout station within a certain range in the embodiment;

the supporting mechanism comprises a supporting plate, a second square bar and a second tenon block are oppositely arranged on the upper portion of the supporting plate, the second tenon block is matched with the second tenon groove, a second threaded through hole is formed in the side wall of the second square bar, the second square bar is located inside the second square through hole, the second threaded through hole is matched with the second through hole in position, a second bolt is movably arranged in the second through hole, one end of the second bolt is in threaded connection with the second threaded through hole, and the supporting plate is mainly used as foundation supporting equipment;

the battery replacement control system comprises a verification module, a processing module and a control module, wherein the verification module is mainly used for monitoring the charging state of a battery pack in an expansion cabinet body or not, judging whether battery replacement is carried out or not according to the permission verification result of a verification unit, if the battery replacement is carried out, opening any battery pack to fully charge the expansion cabinet body, the control module is provided with a Bluetooth switch in each battery pack and is used for taking out the fully charged battery pack and then putting the battery pack with the charging function into the original expansion cabinet body, the processing unit judges whether the charging function is set in the expansion cabinet body or not again, if the charging function is set, the control module controls the battery pack to supply power to the electric vehicle by controlling the Bluetooth switch in the battery pack, and an empty expansion cabinet body is not required to be reserved by setting the control system, and all the expansion cabinet bodies can be charged with batteries, so that the resource utilization rate and the use effect are improved.

Preferably, be equipped with camera, operation screen on the main cabinet body, the camera is located main cabinet body outside middle part, the operation screen inlays to be established main cabinet body one side, operation screen mainly used operating button, camera mainly used shoot user's image.

Preferably, the extension cabinet is internally provided with a wire bin, the upper end and the lower end of the wire bin are provided with threading through holes, the side wall of the wire bin is provided with a charging connector, the extension cabinet is connected with a cabinet door through a hinge, an electronic lock is arranged between the extension cabinet and the cabinet door, and the electronic lock is mainly used for controlling the opening and closing of the cabinet door.

Preferably, the inside lower surface of the expansion cabinet body has been seted up the third through-hole, third screw thread through-hole is seted up to first falcon piece upper end, third screw thread through-hole and the mutual adaptation of third through-hole position, the downthehole activity of third through-hole is equipped with the screw, screw lower extreme and third screw thread through-hole threaded connection, the screw mainly used accomplish further the reinforcement.

Preferably, the backup pad lateral wall is equipped with the mounting bar, and is a plurality of the mounting bar is distributed relatively, seted up mounting hole on the mounting bar, mounting bar and mounting hole mainly used install the backup pad in corresponding position department.

Preferably, control module is still including setting up at the internal bluetooth unit of main cabinet, bluetooth unit passes through wireless bluetooth with the bluetooth switch and is connected, the internal portion of main cabinet is equipped with thing networking service system, intelligent electrical power generating system, heat exchange system and fire extinguishing systems, including power cord system, heat exchange system and fire extinguishing systems in the extension cabinet body for trade electric control system and can realize charging and trade the electric operation.

A battery replacement method for a battery replacement cabinet combination comprises the following steps:

s1: installing equipment;

s2: the user exchanges power;

s201: the method comprises the steps that firstly, a power exchange application and identity information submission are sent by using an operation screen through a verification module, a camera shoots an image and carries out identity verification, if the image is qualified, the next step is carried out, if the image is not qualified, the identity information is displayed by the operation screen;

s202: the processing module firstly monitors the charging condition of the battery pack in the expansion cabinet body, then exchanges electricity according to the permission verification result of the verification unit, then selects any battery pack to fill the expansion cabinet body, and finally opens and changes the expansion cabinet body through the cabinet door opened by the corresponding electronic lock;

s203: the battery pack to be charged is placed in the original expansion cabinet body, and the charging wire connection is completed through the charging connector;

s204: the user closes the cabinet door and completes the line connection of the full-charge battery pack to the electric vehicle;

s205: the processing unit judges whether the cabinet door of the expansion cabinet body is normally closed again, whether the interior of the expansion cabinet body is normally charged or not, if yes, the control module controls the full-power battery pack to supply power to the electric vehicle by controlling the Bluetooth switch in the full-power battery pack, otherwise, the control module controls the full-power battery pack to not supply power to the electric vehicle by controlling the Bluetooth switch in the full-power battery pack, and displays the abnormal electricity exchanging state through the operation screen 15 to contact customer service personnel.

Preferably, step S1: the mounting device comprises the following specific steps;

s101: selecting and installing a proper number of expansion cabinet bodies according to the activity frequency of the takemen in the current area, installing a support plate through an installation strip in the installation process, respectively and oppositely meshing a second slot block and a second tongue-and-groove on the expansion cabinet body with a second square strip and a second tongue-and-groove on the support plate, and fixing by using corresponding second bolts and screws to realize the installation of the expansion cabinet body and the support plate;

s102: a second slot block and a second tongue on the expansion cabinet body to be installed are respectively meshed with a first square bar and a first tongue on the expansion cabinet body to be installed, fixing is completed by using a first bolt and a screw, laminated installation of the expansion cabinet body is achieved, and the number of installation layers is selected according to actual needs;

s103: a first slot block and a first tongue on the main cabinet body 1 are respectively meshed with a first square bar and a first tongue on the uppermost expansion cabinet body, and the expansion cabinet body and the main cabinet body are installed by fixing through a first bolt;

s104: and completing the installation of the circuit, the network and the battery replacement control system among the main cabinet mechanism, the expansion cabinet mechanism and the supporting mechanism.

Compared with the prior art, the invention has the following beneficial effects:

according to the expansion cabinet, the upper portion of the expansion cabinet body is relatively provided with a first tenon block, the first tenon block is matched with the first tenon groove, the first tenon block just enters the first tenon groove in the installation process and is fixed by using corresponding screws, a first threaded through hole is formed in the side wall of the first square bar, the first square bar is located inside the first square through hole, the first threaded through hole is matched with the first through hole in position, a first bolt is movably arranged in the first through hole, one end of the first bolt is in threaded connection with the first threaded through hole, the bottom of the side face of the expansion cabinet body is provided with a second slot block, the bottom of the expansion cabinet body is relatively provided with a second tenon groove, the second slot block is provided with a second square through hole, the side wall of the second slot block is provided with a second through hole, the second through hole is perpendicular to the second square through hole, the second square through hole in the second slot block can be used for a second square bar in a support plate to enter, the support plate and the expansion cabinet body can be installed in different numbers according to the expansion cabinet body.

The invention discloses a battery replacement control system, which comprises a verification module, a processing module and a control module, wherein the verification module is mainly used for judging whether a battery replacement requester has a battery replacement authority, the processing module is used for monitoring the charging condition of a battery pack in an expansion cabinet body firstly, judging whether to perform battery replacement according to the authority verification result of a verification unit, if the battery replacement is performed, starting any battery pack to fill the expansion cabinet body, the control module is internally provided with a Bluetooth switch in each battery pack and is used for placing the battery pack with charging into the original expansion cabinet body after the battery pack with charging is taken out, the processing unit is used for judging whether to perform charging in the expansion cabinet body again, if the battery pack with charging is provided, the control module controls the battery pack to supply power to an electric vehicle by controlling the Bluetooth switch in the battery pack, and an empty expansion cabinet body is not required to be reserved by setting the control system, all the expansion cabinet bodies can perform battery charging, so that the resource utilization rate and the use effect are improved.

Drawings

Fig. 1 is a schematic view of an overall structure of a battery replacement cabinet assembly according to the present invention;

fig. 2 is a schematic structural view of a main view of a battery replacement cabinet assembly according to the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional view taken at A-A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B according to the present invention;

FIG. 5 is an enlarged partial view of FIG. 2 at C;

FIG. 6 is an enlarged view of a portion of FIG. 3;

FIG. 7 is an enlarged partial view of FIG. 3 at E according to the present invention;

FIG. 8 is an enlarged partial view of FIG. 3 at F according to the present invention;

fig. 9 is a schematic view of an overall structure of two extension box bodies stacked in the battery changing cabinet assembly according to the present invention;

fig. 10 is a schematic front cross-sectional structure view showing two extension box bodies stacked in the battery changing cabinet assembly according to the present invention;

FIG. 11 is a schematic view of an overall structure of an expansion box in the battery changing cabinet assembly according to the present invention;

fig. 12 is a schematic view of an overall structure of a support mechanism in a battery replacement cabinet assembly according to the present invention.

In the figure: 1. a main cabinet body; 2. a first slot block; 3. a first tongue; 4. an expansion cabinet body; 5. a first square bar; 6. a first falcon block; 7. a first bolt; 8. a second slot block; 9. a second tongue; 10. a support plate; 11. a second square bar; 12. a second falcon block; 13. a second bolt; 14. a camera; 15. an operation screen; 16. a wire bin; 17. a charging connector; 18. a cabinet door; 19. an electronic lock; 20. a screw; 21. and (7) mounting the bar.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 12, the present invention is a battery changing cabinet assembly, including a battery changing cabinet assembly and a battery changing control system for controlling the battery changing cabinet assembly;

the battery changing cabinet combination device comprises a main cabinet mechanism, an expansion cabinet mechanism and a supporting mechanism, wherein the main cabinet mechanism comprises a main cabinet body 1, the side wall of the main cabinet body 1 is relatively provided with a first slot block 2, the bottom of the main cabinet body 1 is relatively provided with a first tongue-and-groove 3, the first slot block 2 is provided with a first square through hole, the side wall of the first slot block 2 is provided with a first through hole, and the first through hole and the square through hole are mutually vertical and are mutually communicated;

the expansion cabinet mechanism comprises an expansion cabinet body 4, a first square bar 5 is oppositely arranged on the upper portion of the side wall of the expansion cabinet body 4, a first tenon block 6 is oppositely arranged on the upper portion of the expansion cabinet body 4, the first tenon block 6 is matched with the first tenon groove 3, the first tenon block 6 just enters the first tenon groove 3 during the installation process and is fixed by using a corresponding screw 20, a first threaded through hole is formed in the side wall of the first square bar 5, the first square bar 5 is positioned in the first square through hole, the first threaded through hole is matched with the first through hole in position, a first bolt 7 is movably arranged in the first through hole, one end of the first bolt 7 is in threaded connection with the first threaded through hole, a second slot block 8 is arranged at the bottom of the side face of the expansion cabinet body 4, and a second tenon groove 9 is oppositely arranged at the bottom of the expansion cabinet body 4, a second square through hole is formed in the second slot block 8, a second through hole is formed in the side wall of the second slot block 8, the second through hole and the second square through hole are perpendicular to each other and are communicated with each other, the second square through hole in the second slot block 8 can be used for a second square bar 11 on the support plate 10 to enter, the installation of the support plate 10 and the expansion cabinet body 4 is completed, the second square through hole in the second slot block 8 can also be used for a first square bar 5 on other expansion cabinet bodies 4 to enter, the laminated installation of the expansion cabinet bodies 4 is realized, the expansion cabinet bodies 4 in different numbers are installed according to the actual needs in the area, and the activity frequency of the takeout persons in the installation area is determined by the number of takeout stations in a certain range and the number of riders in the takeout station in the embodiment;

the supporting mechanism comprises a supporting plate 10, a second square bar 11 and a second tenon block 12 are oppositely arranged on the upper portion of the supporting plate 10, the second tenon block 12 is matched with the second tenon groove 9, a second threaded through hole is formed in the side wall of the second square bar 11, the second square bar 11 is located inside the second square through hole, the second threaded through hole is matched with the second through hole in position, a second bolt 13 is movably arranged in the second through hole, one end of the second bolt 13 is in threaded connection with the second threaded through hole, and the supporting plate 10 is mainly used as foundation supporting equipment;

the battery replacement control system comprises a verification module, a processing module and a control module, wherein the verification module is mainly used for monitoring the charging condition of a battery pack in the expansion cabinet body 4, judging whether to replace the battery according to the permission verification result of the verification unit, if the battery replacement is carried out, starting any battery pack to fill the expansion cabinet body 4, the control module is provided with a Bluetooth switch in each battery pack and is used for taking out the fully charged battery pack, putting the battery pack with the charging function into the original expansion cabinet body 4, and judging whether to charge the expansion cabinet body 4 or not by the processing unit again, if so, the control module controls the battery pack to supply power to the electric vehicle by controlling the Bluetooth switch in the battery pack, and through setting the control system, an empty expansion cabinet body 4 is not required to be reserved any more, all the expansion cabinet bodies 4 can be charged with batteries, so that the resource utilization rate and the use effect are improved.

Wherein, be equipped with camera 14, operation screen 15 on the main cabinet body 1, camera 14 is located main cabinet body 1 outside middle part, and operation screen 15 inlays and establishes in main cabinet body 1 one side, and operation screen 15 mainly used operating button, camera 14 mainly used shoot user's image.

Wherein, the inside wire storehouse 16 that is equipped with of the expansion cabinet body 4, both ends are equipped with the threading through-hole about the wire storehouse 16, and the 16 lateral walls in wire storehouse are equipped with the joint 17 that charges, and the expansion cabinet body 4 has cabinet door 18 through hinged joint, is equipped with electronic lock 19 between the expansion cabinet body 4 and the cabinet door 18, and electronic lock 19 mainly used controls opening and shutting of cabinet door 18.

Wherein, the third through-hole has been seted up to the inside lower surface of the expansion cabinet body 4, and third screw thread through-hole is seted up to 6 upper ends of first falcon piece, third screw thread through-hole and the mutual adaptation of third through-hole position, the downthehole activity of third through-hole is equipped with screw 20, screw 20 lower extreme and third screw thread through-hole threaded connection, screw 20 mainly used accomplish further the reinforcement.

Wherein, the backup pad 10 lateral wall is equipped with mounting bar 21, and a plurality of mounting bars 21 distribute relatively, has seted up mounting hole on the mounting bar 21, and mounting bar 21 and mounting hole mainly used install backup pad 10 in corresponding position department.

Wherein, control module is still including setting up at the 1 interior bluetooth unit of the main cabinet body, and the bluetooth unit passes through wireless bluetooth with the bluetooth switch and is connected, and 1 inside thing networking service system, intelligent electrical power generating system, heat exchange system and the fire extinguishing systems of being equipped with of the main cabinet body, including power cord system, heat exchange system and fire extinguishing systems in the expansion cabinet body 4 for it can realize charging and trade the electric operation to trade the electric control system.

A battery replacing method for a battery replacing cabinet combination comprises the following steps:

s1: installing equipment;

s2: the user changes the battery;

s201: firstly, the mobile phone is used for sending a battery replacement application and submitting identity information through a verification module by using an operation screen 15, a camera 14 shoots an image and carries out identity verification, if the image is qualified, the next step is carried out, if the image is unqualified, the identity information is displayed incorrectly through the operation screen 15;

s202: the processing module firstly monitors the charging condition of the battery pack in the expansion cabinet body 4, then exchanges power according to the permission verification result of the verification unit, then selects any battery pack to fill the expansion cabinet body 4, and finally opens and changes the expansion cabinet body 4 through the cabinet door 18 opened by the corresponding electronic lock 19;

s203: the battery pack to be charged is placed in the original expansion cabinet body 4, and charging line connection is completed through the charging connector 17;

s204: the user closes the cabinet door 18 and completes the line connection of the full-charge battery pack to the electric vehicle;

s205: the processing unit judges whether the cabinet door 18 of the expansion cabinet body 4 is normally closed again, whether the interior of the expansion cabinet body is normally charged or not, if yes, the control module controls the full-power battery pack to supply power to the electric vehicle by controlling the Bluetooth switch in the full-power battery pack, otherwise, the control module controls the full-power battery pack to not supply power to the electric vehicle by controlling the Bluetooth switch in the full-power battery pack, and displays that the battery replacement is abnormal through the operation screen 15 to contact customer service personnel.

Wherein, the step S1: the mounting apparatus comprises the specific following steps;

s101: selecting and installing a proper number of expansion cabinets 4 according to the activity frequency of the takeoffs in the current area, in the installation process, firstly installing a support plate 10 through a mounting strip 21, respectively meshing a second slot block 8 and a second slot 9 on the expansion cabinet 4 with a second square strip 11 and a second tenon block 12 on the support plate 10, and fixing by using a corresponding second bolt 13 and a corresponding screw 20 to realize the installation of the expansion cabinet 4 and the support plate 10;

s102: a second slot block 8 and a second tongue-and-groove 9 on the expansion cabinet body 4 to be installed are respectively meshed with a first square bar 5 and a first tongue-and-groove 6 on the already installed expansion cabinet body 4, and are fixed by using a first bolt 7 and a screw 20, so that the expansion cabinet body 4 is installed in a laminated manner, and the number of installation layers is selected according to actual needs;

s103: the first slot block 2 and the first tongue 3 on the main cabinet body 1 are respectively meshed with the first square bar 5 and the first tongue 6 on the uppermost expansion cabinet body 4, and the expansion cabinet body 4 and the main cabinet body 1 are installed by fixing the first tongue 7;

s104: and completing the installation of the circuit, the network and the battery replacement control system among the main cabinet mechanism, the expansion cabinet mechanism and the supporting mechanism.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a trade battery cabinet combination which characterized in that: the system comprises a power exchange cabinet combination device and a power exchange control system for controlling the power exchange cabinet combination device;

the battery replacement cabinet combined device comprises a main cabinet mechanism, an expansion cabinet mechanism and a supporting mechanism, wherein the main cabinet mechanism comprises a main cabinet body (1), a first slot block (2) is oppositely arranged on the side wall of the main cabinet body (1), a first tenon slot (3) is oppositely arranged at the bottom of the main cabinet body (1), a first square through hole is formed in the first slot block (2), a first through hole is formed in the side wall of the first slot block (2), and the first through hole and the square through hole are perpendicular to each other and are communicated with each other;

the expansion cabinet mechanism comprises an expansion cabinet body (4), wherein a first square bar (5) is oppositely arranged on the upper portion of the side wall of the expansion cabinet body (4), a first tenon block (6) is oppositely arranged on the upper portion of the expansion cabinet body (4), the first tenon block (6) is matched with a first tenon groove (3), a first threaded through hole is formed in the side wall of the first square bar (5), the first square bar (5) is located inside the first square through hole, the first threaded through hole is matched with the first through hole in position, a first bolt (7) is movably arranged in the first through hole, one end of the first bolt (7) is in threaded connection with the first threaded through hole, a second slot block (8) is arranged at the bottom of the side face of the expansion cabinet body (4), a second tenon groove (9) is oppositely arranged at the bottom of the expansion cabinet body (4), a second square through hole is formed in the second slot block (8), a second through hole is formed in the side wall of the second slot block (8), and the second through hole is perpendicular to the second square through hole;

the supporting mechanism comprises a supporting plate (10), a second square bar (11) and a second tenon block (12) are oppositely arranged on the upper portion of the supporting plate (10), the second tenon block (12) is matched with the second tenon groove (9), a second threaded through hole is formed in the side wall of the second square bar (11), the second square bar (11) is located inside the second square through hole, the second threaded through hole is matched with the second through hole in position, a second bolt (13) is movably arranged in the second through hole, and one end of the second bolt (13) is in threaded connection with the second threaded through hole;

the battery replacement control system comprises a verification module, a processing module and a control module, wherein the verification module is mainly used for monitoring the charging state of a battery pack in an expansion cabinet body (4) or not, judging whether battery replacement is carried out or not according to the permission verification result of a verification unit, if the battery replacement is carried out, opening any battery pack to fully charge the expansion cabinet body (4), the control module is provided with a Bluetooth switch in each battery pack and is used for taking out the fully charged battery pack and then putting the battery pack with the charging function into the original expansion cabinet body (4), the processing unit judges whether the charging function is set in the expansion cabinet body (4) or not again, and if the charging function is set, the control module controls the battery pack to supply power to the electric vehicle through controlling the Bluetooth switch in the battery pack.

2. The battery replacement cabinet combination as claimed in claim 1, wherein: be equipped with camera (14), operation screen (15) on the main cabinet body (1), camera (14) are located main cabinet body (1) outside middle part, operation screen (15) are inlayed and are established main cabinet body (1) one side.

3. The battery replacement cabinet combination as claimed in claim 1, wherein: the expansion cabinet is characterized in that a wire bin (16) is arranged inside the expansion cabinet body (4), threading through holes are formed in the upper end and the lower end of the wire bin (16), a charging connector (17) is arranged on the side wall of the wire bin (16), a cabinet door (18) is connected to the expansion cabinet body (4) through a hinge, and an electronic lock (19) is arranged between the expansion cabinet body (4) and the cabinet door (3).

4. The battery replacement cabinet combination as claimed in claim 3, wherein: third through-hole has been seted up to the inside lower surface of expansion cabinet body (4), third screw thread through-hole is seted up to first falcon piece (6) upper end, third screw thread through-hole and third through-hole position mutual adaptation, the activity is equipped with screw (20) in the third through-hole, screw (20) lower extreme and third screw thread through-hole threaded connection.

5. The battery replacement cabinet combination as claimed in claim 1, wherein: the side wall of the supporting plate (10) is provided with mounting strips (21), the mounting strips (21) are distributed oppositely, and mounting through holes are formed in the mounting strips (21).

6. The battery replacement cabinet combination as claimed in claim 1, wherein: the control module is still including setting up bluetooth unit in the main cabinet body (1), bluetooth unit passes through wireless bluetooth with the bluetooth switch and is connected, the inside thing networking service system, intelligent electrical power generating system, heat exchange system and the fire extinguishing system of being equipped with of the main cabinet body (1), including power cord system, heat exchange system and fire extinguishing system in the expansion cabinet body (4).

7. A battery replacing method for a battery replacing cabinet combination is characterized in that: the battery replacement cabinet combination is the battery replacement cabinet combination as claimed in any one of claims 1 to 6, and the battery replacement method comprises the following steps:

s1: installing equipment;

s2: the user changes the battery;

s201: firstly, a power exchange application and identity information submission are sent by using an operation screen (15) through a verification module, a camera (14) shoots an image and performs identity verification, if the image is qualified, the next step is performed, if the image is not qualified, the identity information is displayed incorrectly through the operation screen (15);

s202: the processing module firstly monitors the battery pack charging condition in the expansion cabinet body (4), then exchanges electricity according to the permission verification result of the verification unit, then selects any battery pack to fully charge the expansion cabinet body (4), and finally opens and changes the expansion cabinet body (4) through a cabinet door (18) opened by a corresponding electronic lock (19);

s203: the battery pack to be charged is placed in the original expansion cabinet body (4) and is connected with a charging wire through a charging connector (17);

s204: the user closes the cabinet door (18) and completes the line connection of the full-charge battery pack to the electric vehicle;

s205: the processing unit judges whether the cabinet door (18) of the expansion cabinet body (4) is normally closed again, whether the interior of the expansion cabinet body is normally charged or not, if yes, the control module controls the full-power battery pack to supply power to the electric vehicle by controlling the Bluetooth switch in the full-power battery pack, otherwise, the control module controls the full-power battery pack to not supply power to the electric vehicle by controlling the Bluetooth switch in the full-power battery pack, and displays that the battery replacement is abnormal through the operation screen (15) to contact customer service personnel.

8. The battery replacement cabinet combination as claimed in claim 7, wherein: step S1: the mounting device comprises the following specific steps;

s101: selecting and installing a proper number of expansion cabinets (4) according to the activity frequency of a salesman in a current area, installing a support plate (10) through an installation bar (21) in the installation process, respectively meshing a second slot block (8) and a second mortise (9) on the expansion cabinet (4) with a second square bar (11) and a second tenon block (12) on the support plate (10), and fixing by using a corresponding second bolt (13) and a corresponding screw (20) to realize the installation of the expansion cabinet (4) and the support plate (10);

s102: a second slot block (8) and a second tongue-and-groove (9) on the expansion cabinet body (4) to be installed are respectively meshed with a first square bar (5) and a first tongue-and-groove (6) on the expansion cabinet body (4) which is already installed, fixing is completed by using a first bolt (7) and a screw (20), laminated installation of the expansion cabinet body (4) is achieved, and the number of installation layers is selected according to actual needs;

s103: a first slot block (2) and a first tongue-and-groove (3) on the main cabinet body (1) are respectively meshed with a first square bar (5) and a first tongue-and-groove (6) on the uppermost expansion cabinet body (4), and a first bolt (7) is used for fixing to realize the installation of the expansion cabinet body (4) and the main cabinet body (1);

s104: and completing the installation of the circuit, the network and the battery replacement control system among the main cabinet mechanism, the expansion cabinet mechanism and the supporting mechanism.

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