Movable charging cabinet

Abstract

The utility model discloses a movable charging cabinet. The cabinet comprises a cabinet body, a battery module is fixed in the cabinet body through a mounting block; the battery module comprises a plurality of battery cells arranged at the side part of the mounting block; a plurality of binding belt grooves are formed in the mounting block, binding belts are embedded in the binding belt grooves, and the binding belts are wound on the side parts of the battery cells. The utility model can realize the integrated installation of the battery module, and has the advantages of stable and firm installation and high space utilization rate.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle charging, in particular to a movable charging cabinet. Background Art

[0002] At present, there are two types of charging methods for pure electric vehicles, especially pure electric passenger vehicles used by small families. One is a small on-board charger or mobile charger. This small on-board charger needs to be connected to the AC mains. Vehicles using this charger will encounter the problem of not being able to find a power source when traveling, which affects people's use of electric vehicles; the other charging method is the charging piles set up in very few residential areas or individual large shopping malls. These charging piles are limited by factors such as equipment layout limitations and coverage, and it is difficult to meet the needs of pure electric vehicles for travel. At the same time, these charging devices have a long charging time and cannot meet people's requirements for replenishing enough electricity in a short time to increase driving range, thus affecting people's use of electric vehicles and, to a certain extent, affecting the promotion and popularization of pure electric vehicles. To this end, the Chinese utility model patent with the authorization announcement number CN210382593U discloses a mobile electric vehicle battery charging cabinet, including a charging cabinet body, a fixed baffle symmetrically arranged at the bottom of the charging cabinet body, a roller arranged at the bottom of the charging cabinet body, a battery frame arranged at the lower part of the charging cabinet body, a plurality of battery compartments arranged in the battery frame, a power distribution frame provided with a power circuit breaker switch, a display screen arranged at the lower part of the power distribution frame, an AC-DC module arranged at the top of the power distribution frame, and a power cord arranged on the AC-DC module. The utility model fixes the battery separately in each battery compartment by setting a fixing plate on both sides of the bottom of the battery, and the space utilization rate of the battery compartment is low, and the number of batteries loaded in the charging cabinet body is small. The battery for charging electric vehicles needs to reach a higher voltage, which cannot be satisfied by a single battery, and multiple batteries need to be connected in series to form a battery module to charge the electric vehicle; therefore, for the charging cabinet, it is necessary to improve the space utilization rate inside the charging cabinet so that a large number of batteries can be loaded to form a battery module. Utility Model Content

[0003] The purpose of the utility model is to provide a movable charging cabinet. The utility model can realize the integrated installation of battery modules, and has the advantages of stable and reliable installation and high space utilization.

[0004] The technical solution of the utility model is: a movable charging cabinet, in which a battery module is fixed by a mounting block; the battery module includes a plurality of battery cells arranged on the side of the mounting block; the mounting block is provided with a plurality of strap grooves, in which straps are embedded, and the straps are wrapped around the sides of the battery cells.

[0005] The above-mentioned movable charging cabinet has multiple layer plates fixed in the cabinet body, and the battery module is arranged on the layer plates; the mounting blocks are arranged at both ends of the battery module, and multiple mounting support plates are arranged on the sides of the mounting blocks; mounting brackets are arranged at both ends of the layer plates corresponding to the mounting support plates; and the mounting support plates are fixed on the mounting brackets.

[0006] In the aforementioned movable charging cabinet, a bottom frame is provided on the layer plate, a first insulating plate is provided inside the bottom frame, and the battery cells are arranged on the first insulating plate.

[0007] In the aforementioned movable charging cabinet, a connecting plate is provided on the upper part of the battery cell, and a plurality of battery cells are connected in series via the connecting plate.

[0008] The aforementioned movable charging cabinet has a plurality of threaded holes on the mounting bracket, and the mounting support plate has elongated holes corresponding to the threaded holes, and bolts are passed through the threaded holes and the elongated holes; the mounting support plate is fixed to the mounting bracket by bolts.

[0009] In the aforementioned movable charging cabinet, an insulating block is provided on the upper part of the mounting block, and a lead-out electrode plate is provided at the end of the battery module; the end of the lead-out electrode plate is fixed on the insulating block.

[0010] In the aforementioned movable charging cabinet, a second insulating plate is provided between the mounting block and the battery cell.

[0011] The aforementioned movable charging cabinet has an interface plate on the upper part of the cabinet body, and an interface on the interface plate; and a wire management ring is provided at the end of the layer plate.

[0012] The aforementioned movable charging cabinet, the interface board is also provided with a display screen, a power-on switch and an emergency stop switch; the interface includes a charging negative electrode interface, a charging positive electrode interface, a discharging negative electrode interface, a discharging positive electrode interface, a charging communication interface, a debugging CAN interface and a main communication CAN interface which are respectively arranged on the interface board.

[0013] The aforementioned movable charging cabinet has a manual maintenance switch on the side of the cabinet and a plurality of universal wheels on the bottom of the cabinet.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. When the utility model is in use, the mounting block is fixed to a plurality of battery cells by means of a strap embedded in the strap groove, so that the battery module is fixed in the cabinet. The fixing structure of the battery module is easy to install and has a good fixing effect. The space utilization rate of the cabinet is high, and a large number of battery cells can be loaded. The utility model can realize the integrated installation of the battery module, and has the advantages of stable and reliable installation and high space utilization rate.

[0016] 2. A connecting plate is provided on the upper part of the battery cell of the utility model, and multiple battery cells are connected in series through the connecting plate; multiple battery cells connected in series can meet the charging voltage requirements of electric vehicles; in addition, the connecting plate can also stabilize the connection between the battery cells.

[0017] 3. The end of the layer board of the utility model is provided with a wire management ring; the lines are passed through the wire management ring, which can play a role in organizing the lines. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure inside the cabinet;

[0020] Figure 3 It is a schematic diagram of the structure of the laminate;

[0021] Figure 4 It is a schematic diagram of the structure of the battery module;

[0022] Figure 5 This is an exploded view of the battery module.

[0023] The marks in the accompanying drawings are: 1-cabinet, 101-universal wheel, 102-interface board, 103-display screen, 104-power-on switch, 105-emergency stop switch, 106-manual maintenance switch, 2-layer board, 201-cable management ring, 202-mounting frame, 203-threaded hole, 3-battery module, 301-bottom frame, 302-first insulating plate, 303-battery cell, 304-connecting plate, 305-lead plate, 4-interface, 401-charging negative electrode interface, 402-charging positive electrode interface, 403-discharging negative electrode interface, 404-discharging positive electrode interface, 405-charging communication interface, 406-debugging CAN interface, 407-main communication CAN interface, 5-mounting block, 501-mounting support plate, 502-long hole, 503-insulating block, 504-tie groove, 505-tie, 506-second insulating plate. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.

[0025] Embodiment: A movable charging cabinet, the structure of which is as follows Figures 1 to 3As shown, it includes a cabinet 1, and the bottom of the cabinet 1 is fixed with 4 universal wheels 101 by bolts, and the utility model can be moved by the universal wheels 101; 8 layers 2 are welded and fixed in the cabinet 1, and battery modules 3 are arranged on the layers 2; mounting blocks 5 are arranged at both ends of the battery module 3, and 3 mounting support plates 501 are integrally formed on the side of the mounting block 5, and reinforcing ribs are also integrally formed in the middle of the mounting support plate 501; mounting brackets 202 are welded at both ends of the layer 2 corresponding to the mounting support plates 501; 2 threaded holes 203 are opened on the mounting bracket 202, and the mounting support plate 501 is opened with an elongated hole 502 corresponding to the threaded hole 203, and bolts are penetrated in the threaded hole 203 and the elongated hole 502; the mounting support plate 501 is fixed to the mounting bracket 202 by bolts. The battery module 3 is fixed to the layer 2 by the mounting bracket 202. The side of the mounting block 5 is integrally formed with two tie grooves 504, and a tie 505 is embedded in the tie groove 504. The tie 505 is wrapped around the side of the battery cell 303, and the tie 505 can stabilize the connection between the battery cells 303. An interface board 102 is welded to the upper part of the cabinet 1, and an interface 4 is provided on the interface board 102. A bracket plate is also fixed to the rear side of the interface board 102 by bolts, and a circuit board is arranged on the bracket plate, and an MCU and an isolation circuit are arranged on the circuit board. A wire management ring 201 is welded at the end of the layer board 2, and the circuit of the battery module 3 is passed through the wire management ring 201, which can play a role in organizing the circuit.

[0026] Battery module 3 Figure 4 and Figure 5 As shown, the battery module 3 includes a bottom frame 301 arranged on the layer plate 2, a first insulating plate 302 is arranged in the bottom frame 301, 16 battery cells 303 are arranged in sequence on the first insulating plate 302, a positive lead-out terminal and a negative lead-out terminal are arranged on the upper part of the battery cell 303, a connecting plate 304 is fixed on the positive lead-out terminal and the negative lead-out terminal by bolts, and the 16 battery cells 303 are connected in series through the connecting plate 304; a lead-out plate 305 is arranged at the end of the battery module 3; the lead-out plate 305 is respectively fixed on the positive lead-out terminal of the first battery cell 303 in series and the negative lead-out terminal of the last battery cell 303 in series. An insulating block 503 is integrally formed on the upper part of the mounting block 5, and the end of the lead-out plate 305 is fixed on the insulating block 503. A second insulating plate 506 is arranged between the mounting block 5 and the battery cell 303.

[0027] The interface board 102 is also provided with a display screen 103, a power-on switch 104 and an emergency stop switch 105. The model of the display screen 103 is DW4.3; the model of the power-on switch 104 is a 20N2NC rocker switch; the model of the emergency stop switch 105 is LAS1-A22Y-10T. The interface 4 includes a charging negative electrode interface 401, a charging positive electrode interface 402, a discharging negative electrode interface 403, a discharging positive electrode interface 404, a charging communication interface 405, a debugging CAN interface 406 and a main communication CAN interface 407, which are respectively arranged on the interface board 102. The display screen 103, the power-on switch 104, the emergency stop switch 105 and the interface 4 are connected to the connecting plate 304 through a circuit board. The model of the charging negative electrode interface 401 is FCC-350A-70 2 B; the model of the positive charging port 402 is FCC-350A-70 2 R; the model of the discharge cathode interface 403 is FCC-250A-50 2 B; the model of the discharge positive electrode interface 404 is FCC-250A-50 2 R; the model of the charging communication interface 405 is K20-B7-P7; the model of the debugging CAN interface 406 is K16-B4-P4; the model of the main communication CAN interface 407 is K16-B4-P4.

[0028] A manual maintenance switch 106 of model MSD 400A is provided on the side of the cabinet 1; the manual maintenance switch 106 is a high-voltage connector with a fuse. Pulling out the manual maintenance switch 106 can disconnect the power supply of the battery module 3 to achieve electrical isolation of the high-voltage system, thereby protecting the personal safety of maintenance personnel in a high-voltage environment; in addition, the manual maintenance switch 106 can also play a role in short-circuit protection. When a short circuit occurs in the high-voltage line, the internal fuse will be disconnected immediately, and the connection of the high-voltage circuit will be quickly separated to ensure the safety of the maintenance personnel.

[0029] Working principle: When the utility model is in use, the mounting block 5 is fixed to the multiple battery cells 303 through the strap 505 embedded in the strap groove 504, and is placed together in the bottom frame 301; the mounting block 5 is fixed to the mounting bracket 202 of the layer plate 2 through the mounting support plate 501, so as to fix the battery module 3 on the layer plate 2. The fixing structure of the battery module 3 is easy to install and has a good fixing effect. The space utilization rate of the cabinet 1 is relatively high, and a large number of battery cells 303 can be loaded; the utility model can realize the integrated installation of the battery module, and has the advantages of stable and reliable installation and high space utilization rate.

[0030] The above embodiments only express the implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. In this embodiment, up, down, left, right, front, and back only represent their relative positions and do not represent their absolute positions. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A movable charging cabinet, comprising a cabinet body (1); characterized in that: A battery module (3) is fixed in the cabinet (1) via a mounting block (5); the battery module (3) comprises a plurality of battery cells (303) arranged on the side of the mounting block (5); a plurality of strap grooves (504) are provided on the mounting block (5), straps (505) are embedded in the strap grooves (504), and the straps (505) are wrapped around the sides of the battery cells (303).

2. The movable charging cabinet according to claim 1, characterized in that: A plurality of layer boards (2) are fixed in the cabinet (1), and the battery module (3) is arranged on the layer board (2); the mounting block (5) is arranged at both ends of the battery module (3), and a plurality of mounting support boards (501) are arranged on the side of the mounting block (5); mounting brackets (202) are arranged at both ends of the layer board (2) corresponding to the mounting support boards (501); and the mounting support boards (501) are fixed on the mounting brackets (202).

3. The movable charging cabinet according to claim 2, characterized in that: A bottom frame (301) is provided on the layer plate (2), a first insulating plate (302) is provided inside the bottom frame (301), and the battery cell (303) is arranged on the first insulating plate (302).

4. The movable charging cabinet according to claim 1, characterized in that: A connecting electrode plate (304) is provided on the upper portion of the battery cell (303), and a plurality of battery cells (303) are connected in series via the connecting electrode plate (304).

5. The movable charging cabinet according to claim 2, characterized in that: The mounting bracket (202) is provided with a plurality of threaded holes (203); the mounting support plate (501) is provided with elongated holes (502) corresponding to the threaded holes (203); bolts are inserted into the threaded holes (203) and the elongated holes (502); and the mounting support plate (501) is fixed to the mounting bracket (202) by means of the bolts.

6. The movable charging cabinet according to claim 1, characterized in that: An insulating block (503) is provided on the upper part of the mounting block (5), and an extraction electrode plate (305) is provided at the end of the battery module (3); the end of the extraction electrode plate (305) is fixed on the insulating block (503).

7. The movable charging cabinet according to claim 1, characterized in that: A second insulating plate (506) is provided between the mounting block (5) and the battery core (303).

8. The movable charging cabinet according to claim 2, characterized in that: An interface board (102) is provided on the upper part of the cabinet (1), and an interface (4) is provided on the interface board (102); and a wire management ring (201) is provided at the end of the layer board (2).

9. The movable charging cabinet according to claim 8, characterized in that: The interface board (102) is also provided with a display screen (103), a power-on switch (104) and an emergency stop switch (105); the interface (4) comprises a charging negative electrode interface (401), a charging positive electrode interface (402), a discharging negative electrode interface (403), a discharging positive electrode interface (404), a charging communication interface (405), a debugging CAN interface (406) and a main communication CAN interface (407) which are respectively arranged on the interface board (102).

10. The movable charging cabinet according to claim 1, characterized in that: A manual maintenance switch (106) is provided on the side of the cabinet (1), and a plurality of universal wheels (101) are provided on the bottom of the cabinet (1).

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