A lithium battery cluster disconnection protection cabinet

Abstract

The utility model discloses a lithium battery cluster disconnection protection cabinet, including: a main frame unit including a cabinet and a cabinet door rotatably connected to one side of the cabinet, a plurality of supporting legs fixedly connected to the bottom of the cabinet, a glass observation window fixedly connected to the upper end of the outer wall of the cabinet door, and a heat dissipation fin symmetrically fixedly provided on the side wall of the cabinet; a heat dissipation connection unit including a plurality of lithium battery bodies slidably connected to the inside of the cabinet, a plurality of evenly distributed sliding frames fixedly connected to the inside of the cabinet, two electrode interfaces fixedly connected to each lithium battery body, a fixed connection assembly including an electrode fixedly connected to the center of the upper end of the electrode interface, electrode sheets fixedly connected to both ends of the wire, a connecting sheet fixedly connected to the bottom of each electrode sheet, and a protective cover made of insulating material. The utility model realizes the electrode connection between lithium battery bodies without consuming a lot of time, thereby improving the work efficiency of the staff.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery clusters, in particular to a lithium battery cluster disconnection protection cabinet. Background Art

[0002] In recent years, battery clusters have adopted a frame-type battery cabinet structure. The battery modules and high-voltage boxes are fixed to the cabinet with bolts. Each set of battery clusters is composed of battery modules in series, connected by power cables, and converged on the high-voltage box after series connection. The high-voltage control box has the functions of battery cluster voltage and battery cluster current collection, battery cluster circuit contactor control and protection, etc. It is monitored and controlled by the BCU management module, and can realize the communication function between the high-voltage control box and the energy storage battery management module, the energy storage battery management system host and the energy storage inverter, realize the control, protection and data communication functions of the energy storage battery cluster, and ensure the safety of the system.

[0003] At present, most lithium battery cluster disconnect protection cabinets on the market usually need to connect multiple lithium batteries in series when working. When the lithium batteries are connected in series, screws are usually used for connection. When workers use screws to connect, it will cause safety hazards to the workers' bodies, and the workers need to use screwdrivers to tighten the screws one by one, which takes a lot of time and reduces the work efficiency of the workers. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above problems existing in the existing lithium battery cluster disconnection protection cabinet, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a lithium battery cluster disconnect protection cabinet, which is suitable for solving the problem that when lithium batteries are connected in series, screws are usually used for connection. When workers use screws to connect, it will cause safety hazards to the workers' bodies, and the workers need to use a screwdriver to tighten the screws one by one, which takes a lot of time and reduces the work efficiency of the workers.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a lithium battery cluster disconnection protection cabinet, comprising:

[0008] The main frame unit includes a cabinet body and a cabinet door rotatably connected to one side of the cabinet body, a plurality of supporting legs are fixedly connected to the bottom of the cabinet body, and a door handle is rotatably connected to one end of the outer side wall of the cabinet door;

[0009] A heat dissipation connection unit comprises a plurality of lithium battery bodies slidably connected to the inside of a cabinet, a plurality of evenly distributed sliding frames are fixedly connected to the cabinet, a slider matching the sliding frame is fixedly connected to the bottom of each lithium battery body, a square opening is opened at the center of the upper end of the cabinet, a frame is fixedly connected to the square opening, a fan is rotatably connected to the frame, two electrode interfaces are fixedly connected to each lithium battery body, two lithium battery bodies are connected via wire electrodes slidably connected to the electrode interfaces, and the heat dissipation connection unit also comprises a fixed connection component for electrode connection.

[0010] As a preferred solution of a lithium battery cluster disconnection protection cabinet described in the utility model, the fixed connection component includes an electrode fixedly connected to the center of the upper end of the electrode interface, the two ends of the wire are fixedly connected to electrode sheets, and the bottom of each electrode sheet is fixedly connected to a connecting sheet.

[0011] As a preferred solution of the lithium battery cluster disconnection protection cabinet of the utility model, the electrodes are arranged in a T shape and are made of lithium iron phosphate or graphite material.

[0012] As a preferred solution of the lithium battery cluster disconnection protection cabinet of the utility model, wherein: the cabinet side walls are symmetrically fixed with heat dissipation fins, and a dustproof net is fixedly connected inside the heat dissipation fins.

[0013] As a preferred solution of the lithium battery cluster disconnection protection cabinet of the utility model, wherein: the connecting piece is arranged in an L shape, and the connection between the connecting piece and the electrode piece is made of elastic material.

[0014] As a preferred solution of the lithium battery cluster disconnection protection cabinet described in the utility model, a glass observation window is fixedly connected to the upper end of the outer wall of the cabinet door, and protective covers are slidably connected to both ends of the wires, and the protective covers are made of insulating material.

[0015] The beneficial effects of the present invention are as follows: when the staff needs to connect the lithium battery clusters in series, the staff turns the door handle and then pulls the cabinet door to open it, and then places the lithium battery body on the sliding frame, and pushes the lithium battery body into the cabinet through the sliding block fixedly connected to the bottom of the lithium battery body, and then through the electrodes fixedly connected on the lithium battery body, the staff snap-connects the connecting piece with the electrode through the electrode piece fixedly connected on the wire, and through the connecting piece fixedly connected on the electrode piece, because the connecting piece is arranged in an L shape and the electrode is arranged in a T shape, the connecting piece is fixedly connected to the electrode, thereby realizing the electrode connection between the lithium battery bodies, without consuming a lot of time, thereby improving the work efficiency of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0017] Figure 1 This is a schematic diagram of the overall structure of a lithium battery cluster disconnection protection cabinet proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of a lithium battery cluster disconnection protection cabinet proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of a fixed connection component of a lithium battery cluster disconnect protection cabinet proposed by the utility model.

[0020] Description of the drawings: 100 main frame unit, 101 cabinet, 102 cabinet door, 103 supporting leg, 104 glass observation window, 105 door handle, 106 cooling fins, 200 cooling connection unit, 201 lithium battery body, 202 sliding frame, 203 slider, 204 frame, 205 fan, 206 electrode interface, 207 wire, 208 fixed connection component, 2081 electrode, 2082 electrode sheet, 2083 connecting sheet, 2084 protective cover. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0024] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0025] Reference Figure 1 - Figure 3 , which is an embodiment of the utility model, provides a lithium battery cluster disconnection protection cabinet, including a main frame unit 100 and a heat dissipation connection unit 200.

[0026] The main frame unit 100 includes a cabinet 101 and a cabinet door 102 rotatably connected to one side of the cabinet 101. A plurality of supporting legs 103 are fixedly connected to the bottom of the cabinet 101. A door handle 105 is rotatably connected to one end of the outer wall of the cabinet door 102. A glass observation window 104 is fixedly connected to the upper end of the outer wall of the cabinet door 102, so that the staff can observe the situation in the cabinet 101 conveniently. The side wall of the cabinet 101 is symmetrically fixed with heat dissipation fins 106, and the heat generated in the cabinet is discharged through the heat dissipation fins 106. A dustproof net is fixedly connected inside the heat dissipation fins 106 to prevent dust in the air from entering the cabinet 101.

[0027] The heat dissipation connection unit 200 includes a plurality of lithium battery bodies 201 slidably connected to the inside of the cabinet 101, a plurality of evenly distributed sliding frames 202 are fixedly connected to the inside of the cabinet 101, a slider 203 matching the sliding frame 202 is fixedly connected to the bottom of each lithium battery body 201, a square opening is opened at the center of the upper end of the cabinet 101, a frame 204 is fixedly connected to the square opening, a fan 205 is rotatably connected to the frame 204, each lithium battery body 201 is fixedly connected to two electrode interfaces 206, and the two lithium battery bodies 201 are connected to electrodes through wires 207 slidably connected to the electrode interfaces 206, and the heat dissipation connection unit 200 also It includes a fixed connection component 208 for electrode connection, the fixed connection component 208 includes an electrode 2081 fixedly connected to the center of the upper end of the electrode interface 206, the electrode 2081 is arranged in a T shape, and the electrode 2081 is made of lithium iron phosphate or graphite material, the two ends of the wire 207 are fixedly connected with electrode sheets 2082, each electrode sheet 2082 is fixedly connected with a connecting sheet 2083 at the bottom, the connecting sheet 2083 is arranged in an L shape, and the connection between the connecting sheet 2083 and the electrode sheet 2082 is made of elastic material, and the two ends of the wire 207 are slidably connected with a protective cover 2084, and the protective cover 2084 is made of insulating material.

[0028] During use, when the staff needs to connect the lithium battery clusters in series, the staff turns the door handle 105 and then pulls the cabinet door 102 to open the cabinet door 102, and then places the lithium battery body 201 on the slide frame 202, and pushes the lithium battery body 201 into the cabinet 101 through the slider 203 fixedly connected to the bottom of the lithium battery body 201, and then through the electrode 2081 fixedly connected on the lithium battery body 201, the staff uses the electrode sheet 2082 fixedly connected on the wire 207, and the connecting sheet 2083 fixedly connected on the electrode sheet 2082 to snap-connect the connecting sheet 2083 with the electrode. Since the connecting sheet 2083 is set to be L-shaped and the electrode 2081 is set to be T-shaped, the connecting sheet 2083 is fixedly connected to the electrode 2081, thereby realizing the connection of the electrodes 2081 between the lithium battery bodies 201, which does not require a lot of time, thereby improving the work efficiency of the staff.

[0029] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A lithium battery cluster disconnection protection cabinet, characterized in that: include: A main frame unit (100) comprises a cabinet body (101) and a cabinet door (102) rotatably connected to one side of the cabinet body (101); a plurality of supporting legs (103) are fixedly connected to the bottom of the cabinet body (101); and a door handle (105) is rotatably connected to one end of an outer wall of the cabinet door (102); A heat dissipation connection unit (200) comprises a plurality of lithium battery bodies (201) slidably connected inside a cabinet (101), a plurality of evenly distributed sliding frames (202) are fixedly connected inside the cabinet (101), a sliding block (203) matching the sliding frame (202) is fixedly connected to the bottom of each lithium battery body (201), a square opening is provided at the center of the upper end of the cabinet (101), a frame (204) is fixedly connected inside the square opening, a fan (205) is rotatably connected inside the frame (204), each lithium battery body (201) is fixedly connected to two electrode interfaces (206), two lithium battery bodies (201) are connected by electrodes via wires (207) slidably connected to the electrode interfaces (206), and the heat dissipation connection unit (200) further comprises a fixed connection component (208) for connecting the electrodes between the lithium battery bodies (201).

2. A lithium battery cluster disconnection protection cabinet according to claim 1, characterized in that: The fixed connection component (208) comprises an electrode (2081) fixedly connected to the center of the upper end of the electrode interface (206), the two ends of the wire (207) are fixedly connected to electrode sheets (2082), and the bottom of each electrode sheet (2082) is fixedly connected to a connecting sheet (2083).

3. A lithium battery cluster disconnection protection cabinet according to claim 2, characterized in that: The electrode (2081) is configured in a T-shape, and the electrode (2081) is made of lithium iron phosphate or graphite material.

4. A lithium battery cluster disconnection protection cabinet according to claim 1, characterized in that: The side wall of the cabinet (101) is symmetrically and fixedly provided with heat dissipation fins (106), and a dustproof net is fixedly connected inside the heat dissipation fins (106).

5. A lithium battery cluster disconnection protection cabinet according to claim 2, characterized in that: The connecting piece (2083) is configured to be L-shaped, and the connection between the connecting piece (2083) and the electrode (2081) is made of elastic material.

6. A lithium battery cluster disconnection protection cabinet (101) according to claim 1, characterized in that: A glass observation window (104) is fixedly connected to the upper end of the outer wall of the cabinet door (102), and protective sleeves (2084) are slidably connected to both ends of the electric wire (207), and the protective sleeves (2084) are made of insulating material.

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