Door body assembly for battery cabinet and energy storage battery cabinet with door body assembly

Abstract

The utility model provides a door body assembly for a battery cabinet and an energy storage battery cabinet with the door body assembly. The door body assembly for the battery cabinet comprises a door body, the heaven and earth lock mechanism is arranged on the door body, the heaven and earth lock mechanism comprises a driving mechanism and two connecting rods, one connecting rod is located above the driving mechanism and is in driving connection with the driving mechanism, the other connecting rod is located below the driving mechanism and is in driving connection with the driving mechanism, and the driving mechanism drives the two connecting rods to move towards or away from each other; unlocking and locking of the heaven and earth lock mechanism are achieved; wherein each connecting rod is a U-shaped plate, and an opening of each U-shaped plate faces the door body. The door lock rod of the energy storage battery cabinet effectively solves the problem that in the prior art, the door lock rod of the energy storage battery cabinet is low in structural strength and prone to bending deformation.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage battery cabinet technical field, specifically, relate to a door body subassembly for battery cabinet and have its energy storage battery cabinet. BACKGROUND

[0002] At present, energy storage battery cabinet is a kind of equipment for storing electric energy, mainly by multiple battery units, battery management system (BMS), thermal management system, electrical interface, safety protection device and shell etc. It is an important part of modern energy storage system, and is widely used in renewable energy generation, grid peak shaving and frequency modulation, user-side energy storage, microgrid, electric vehicle charging station and various scenes.

[0003] In prior art, due to the weight of energy storage battery cabinet is larger, in the process of carrying or after completing carrying, door lock rod is prone to bending deformation, it is difficult to close or open energy storage cabinet door, further affect normal operation and maintenance. UTILITY MODEL CONTENTS

[0004] The utility model is mainly aimed at providing a door body subassembly for battery cabinet and energy storage battery cabinet with it, to solve the problem of low structural strength of door lock rod of energy storage battery cabinet in prior art and prone to bending deformation.

[0005] In order to realize the above-mentioned purpose, according to one aspect of the utility model, a door body subassembly for battery cabinet is provided, comprising: door body;Ground lock mechanism, set on the door body, ground lock mechanism includes drive mechanism and two connecting rods, one connecting rod is located above drive mechanism and is drivenly connected with drive mechanism, another connecting rod is located below drive mechanism and is drivenly connected with drive mechanism, to drive two connecting rods to move towards or away from each other by drive mechanism, to realize unlocking and locking of ground lock mechanism;Wherein, each connecting rod is U-shaped plate, and the opening of U-shaped plate is arranged towards door body.

[0006] Further, the U-shaped plate comprises: first plate body;Second plate body, connected with the first plate body and arranged at a first included angle;Third plate body, connected with the second plate body and arranged at a second included angle, the first plate body and the third plate body are located on the same side of the second plate body;Wherein, the first plate body, the second plate body and the third plate body are formed around the opening;Drive mechanism is connected with the first plate body and / or the third plate body.

[0007] Further, the opening comprises a first opening and a second opening arranged at intervals, and the U-shaped plate further comprises: a fourth plate body arranged on the second plate body, the fourth plate body being arranged opposite to the first plate body and the third plate body; the fourth plate body and the first plate body and part of the second plate body surround to form the first opening, and the fourth plate body and the third plate body and part of the second plate body surround to form the second opening; wherein at least part of the driving mechanism extends into the first opening to be connected with the first plate body, or at least part of the driving mechanism extends into the second opening to be connected with the third plate body.

[0008] Further, the driving mechanism is clamped with the first plate body or connected with the first plate body through a fastener; or the driving mechanism is clamped with the third plate body or connected with the third plate body through a fastener; and / or a first reinforcing rib is arranged at the connection position of the first plate body and the second plate body; and / or a second reinforcing rib is arranged at the connection position of the second plate body and the third plate body.

[0009] Further, the fourth plate body is one; or the fourth plate body is a plurality of fourth plate bodies, and the plurality of fourth plate bodies are arranged at intervals along the extension direction of the connecting rod.

[0010] Further, an end of the first plate body away from the second plate body is provided with a first flanging structure, and the first flanging structure is attached to the first plate body; and / or an end of the third plate body away from the second plate body is provided with a second flanging structure, and the second flanging structure is attached to the third plate body.

[0011] Further, the connecting rod has a first matching part, and the heaven-and-earth lock mechanism further comprises: a second limiting part arranged on the door body, the second limiting part comprising a sleeve body and a second matching part arranged on the sleeve body, the sleeve body being sleeved outside the connecting rod, one of the first matching part and the second matching part being a protrusion, and the other of the first matching part and the second matching part being a recess, the protrusion extending into the recess and being slidable along the extension direction of the recess.

[0012] Further, the battery cabinet door assembly further comprises a lock catch arranged on the first plate body or the third plate body, the lock catch comprising: a connecting plate connected with the first plate body or the second plate body; and a hook-shaped part arranged on the connecting plate and protruding from the second plate body.

[0013] Further, at least one end of the connecting rod away from the driving mechanism is provided with a contact part, and the battery cabinet door assembly further comprises: a first limiting part arranged on the door body to limit and stop the contact part; a pressure detection device arranged between the first limiting part and the contact part; and a control module electrically connected with the pressure detection device; wherein if the pressure detection value of the pressure detection device exceeds a preset range value, it is judged that the connecting rod provided with the contact part is deformed.

[0014] According to another aspect of the utility model, a kind of energy storage battery cabinet is provided, comprising the battery cabinet door assembly described above.

[0015] The utility model discloses a technical scheme, the door body assembly for battery cabinet includes door body and heaven and earth lock mechanism, and the heaven and earth lock mechanism sets up on the door body, and the heaven and earth lock mechanism includes drive mechanism and two connecting rods, and one connecting rod is located the top of drive mechanism and is connected with drive mechanism drive, and another connecting rod is located the below of drive mechanism and is connected with drive mechanism drive, to drive two connecting rods through drive mechanism and move towards each other or away from each other, to realize the unlocking and locking of heaven and earth lock mechanism. Thus, since each connecting rod is U-shaped plate and the opening of U-shaped plate is set to the door body, the structural strength of connecting rod is improved, and the above-mentioned U-shaped plate can better resist external force in the process that the staff carries the energy storage battery cabinet, and then prevents the bending deformation of connecting rod from affecting the opening and closing of energy storage cabinet door, solves the problem that the structural strength of door lock rod of energy storage battery cabinet is low and is easy to bend in the prior art, and ensures that the staff can normally maintain the energy storage battery cabinet. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings accompanying the specification of this application form a part thereof, serve to provide further understanding of the present application, and together with the description of the present application, serve to explain the present application. In the drawings:

[0017] Figure 1 A perspective structural schematic view of an embodiment of the door body assembly for battery cabinet according to the utility model is shown;

[0018] Figure 2 An enlarged schematic view of A in the door body assembly for battery cabinet in Figure 1 ;

[0019] Figure 3 An enlarged schematic view of B in the door body assembly for battery cabinet in Figure 1 ;

[0020] Figure 4 A perspective structural schematic view of another angle of the door body assembly for battery cabinet in Figure 1 ;

[0021] Figure 5 A perspective structural schematic view of the connecting rod of the door body assembly for battery cabinet in Figure 1 ;

[0022] Figure 6 A perspective structural schematic view of another angle of the connecting rod in Figure 5 ;

[0023] Figure 7 An enlarged schematic view of C in the connecting rod in Figure 6 ;

[0024] Figure 8 A perspective structural schematic view of another angle of the connecting rod in Figure 6A side view of the connecting rod in the figure.

[0025] Wherein, the above drawings include the following reference signs:

[0026] 20, mortise lock mechanism; 21, connecting rod; 211, first plate body; 212, second plate body; 213, third plate body; 214, opening; 2141, first opening; 2142, second opening; 215, fourth plate body; 216, first flanging structure; 217, second flanging structure; 218, first matching part; 2191, first reinforcing rib; 2192, second reinforcing rib; 22, second limiting part; 221, sleeve body; 50, contact part; 51, mounting frame; 52, rolling body; 60, lock catch; 61, connecting plate; 62, hook-shaped part. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0029] In the present application, unless otherwise stated, the orientation words such as "up, down" are generally directed to the direction shown in the drawings, or are directed to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally directed to the left and right shown in the drawings; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the present application.

[0030] In order to solve the problem of low structural strength of the door lock rod of the energy storage battery cabinet in the prior art and easy bending deformation, the present application provides a door body assembly for a battery cabinet and an energy storage battery cabinet with the same.

[0031] As shown in Figures 1 to 8 The door body assembly for a battery cabinet includes a door body and a mortise lock mechanism 20. The mortise lock mechanism 20 is arranged on the door body, and the mortise lock mechanism 20 includes a driving mechanism and two connecting rods 21. One connecting rod 21 is located above the driving mechanism and is drivingly connected with the driving mechanism, and the other connecting rod 21 is located below the driving mechanism and is drivingly connected with the driving mechanism, so as to drive the two connecting rods 21 to move towards or away from each other through the driving mechanism, so as to realize unlocking and locking of the mortise lock mechanism 20. Wherein, each connecting rod 21 is a U-shaped plate, and the opening 214 of the U-shaped plate is arranged towards the door body.

[0032] According to the technical scheme of the embodiment, the connecting rod 21 is a U-shaped plate, and the opening 214 of the U-shaped plate faces the door body, thereby improving the structural strength of the connecting rod 21, and the U-shaped plate can better resist external force during the process of the staff carrying the energy storage battery cabinet, thereby preventing the connecting rod 21 from being bent and deformed to affect the opening and closing of the energy storage cabinet door, solving the problem of low structural strength of the door lock rod of the energy storage battery cabinet in the prior art and being prone to bending and deformation, and ensuring that the staff can normally maintain the energy storage battery cabinet.

[0033] As shown in Figures 5 to 8 , the U-shaped plate includes a first plate body 211, a second plate body 212, and a third plate body 213. The second plate body 212 is connected with the first plate body 211 and is arranged at a first included angle. The third plate body 213 is connected with the second plate body 212 and is arranged at a second included angle, and the first plate body 211 and the third plate body 213 are located on the same side of the second plate body 212. Among them, the first plate body 211, the second plate body 212 and the third plate body 213 surround the opening 214; the driving mechanism is connected with the first plate body 211 and / or the third plate body 213. In this way, the above-mentioned arrangement of the U-shaped plate makes the connecting rod 21 can effectively disperse external force, and is more firm when bearing external force, preventing the connecting rod from being deformed due to the action of concentrated force, ensuring the structural integrity of the energy storage battery cabinet during long-distance transportation and loading and unloading, and reducing the safety risk during transportation.

[0034] In the embodiment, the first plate body 211 and the third plate body 213 are arranged in parallel with each other, and the first included angle and the second included angle are both 90°, so as to ensure that the connecting rod 21 is in a U-shaped structure, thereby improving the structural strength of the connecting rod 21 and avoiding deformation during the carrying process to affect the normal use of the energy storage battery cabinet.

[0035] Optionally, the first plate body 211, the second plate body 212, and the third plate body 213 are integrally formed.

[0036] As shown in Figure 7 and Figure 8 , the opening 214 includes a first opening 2141 and a second opening 2142 arranged at intervals, and the U-shaped plate further includes a fourth plate body 215. The fourth plate body 215 is arranged on the second plate body 212, and the fourth plate body 215 is arranged opposite to the first plate body 211 and the third plate body 213; the fourth plate body 215 and the first plate body 211 and part of the second plate body 212 surround the first opening 2141, and the fourth plate body 215 and the third plate body 213 and part of the second plate body 212 surround the second opening 2142. In this way, the above-mentioned arrangement further enhances the structural strength of the connecting rod 21, avoiding complete deformation of the connecting rod 21 to affect the normal opening and closing of the energy storage battery cabinet.

[0037] In the embodiment, the fourth plate body 215 is arranged parallel to the first plate body 211, and the fourth plate body 215 is arranged perpendicular to the second plate body 212.

[0038] Optionally, at least part of the driving mechanism extends into the first opening 2141 to be connected with the first plate body 211, or at least part of the driving mechanism extends into the second opening 2142 to be connected with the third plate body 213. In this way, the above arrangement makes the connection between the driving mechanism and the connecting rod 21 more stable, improves the accuracy and reliability of locking, and effectively reduces the safety problems caused by the loosening of the locking mechanism. At the same time, the above arrangement makes the connection position between the driving mechanism and the connecting rod 21 more flexible to meet different use requirements and working conditions, and also improves the processing flexibility of the workers.

[0039] In the embodiment, at least part of the driving mechanism extends into the first opening 2141 to be connected with the first plate body 211.

[0040] Optionally, the driving mechanism is clamped with the first plate body 211 or connected through fasteners, or the driving mechanism is clamped with the third plate body 213 or connected through fasteners, and / or a first reinforcing rib 2191 is arranged at the connection between the first plate body 211 and the second plate body 212, and / or a second reinforcing rib 2192 is arranged at the connection between the second plate body 212 and the third plate body 213. In this way, the clamping or fastener connection mode can ensure the connection stability between the driving mechanism and the connecting rod 21, prevent the connection failure caused by environmental factors, and ensure the normal operation of the energy storage battery cabinet and the safety of the internal equipment. At the same time, the above arrangement makes the connection mode between the driving structure and the plate body more flexible to meet different use requirements and working conditions, and also improves the processing flexibility of the workers.

[0041] In the embodiment, a first reinforcing rib 2191 is arranged at the connection between the first plate body 211 and the second plate body 212, and a second reinforcing rib 2192 is arranged at the connection between the second plate body 212 and the third plate body 213. The above arrangement of the first reinforcing rib 2191 and the second reinforcing rib 2192 can improve the overall structural strength of the connecting rod 21 and avoid bending deformation.

[0042] In the embodiment, the driving structure is connected with the first plate body 211 through fasteners. Optionally, the fasteners are screws or bolts.

[0043] Optionally, the fourth plate body 215 is one; or the fourth plate body 215 is multiple, and the multiple fourth plate bodies 215 are arranged at intervals along the extension direction of the connecting rod 21. In this way, the above arrangement makes the number of the fourth plate body 215 more flexible to choose, so as to meet different use requirements and working conditions, and also improves the processing flexibility of the workers. At the same time, the arrangement of multiple fourth plate bodies 215 can effectively improve the pressure bearing capacity of the connecting rod 21, and reduce the risk that the door body cannot be normally opened and closed due to deformation of the connecting rod 21.

[0044] Optionally, the first plate body 211 is provided with a first flanging structure 216 at one end away from the second plate body 212, and the first flanging structure 216 is attached to the first plate body 211; and / or the third plate body 213 is provided with a second flanging structure 217 at one end away from the second plate body 212, and the second flanging structure 217 is attached to the third plate body 213. In this way, the above arrangement of the flanging structure can improve the structural strength of the first plate body 211 and / or the third plate body 213, and thus improve the overall strength of the connecting rod 21, so as to avoid the bending deformation of the connecting rod 21 affecting the normal opening and closing of the door body.

[0045] In the embodiment, the first plate body 211 is provided with a first flanging structure 216 at one end away from the second plate body 212, and the first flanging structure 216 is attached to the first plate body 211. The third plate body 213 is provided with a second flanging structure 217 at one end away from the second plate body 212, and the second flanging structure 217 is attached to the third plate body 213.

[0046] As shown in Figure 3 and Figure 5 , the connecting rod 21 has a first matching part 218, and the overhead lock mechanism 20 further comprises a second limiting part 22. The second limiting part 22 is arranged on the door body, and the second limiting part 22 comprises a sleeve body 221 and a second matching part arranged on the sleeve body 221, the sleeve body 221 is sleeved outside the connecting rod 21, one of the first matching part 218 and the second matching part is a protrusion, the other of the first matching part 218 and the second matching part is a recess, the protrusion extends into the recess and can slide along the extension direction of the recess. In this way, in the process of driving the connecting rod 21 to move by the driving mechanism, the above arrangement of the second limiting part 22 can guide and limit the connecting rod 21, so as to ensure that the connecting rod 21 always moves along the preset direction, and thus improve the opening and closing reliability of the overhead lock mechanism. At the same time, the above arrangement makes the structure of the first matching part 218 and the second matching part more flexible to choose, so as to meet different use requirements and working conditions, and also improves the processing flexibility of the workers.

[0047] In the embodiment, the first matching part 218 is a recess, and the second matching part is a protrusion, the protrusion extends into the recess and can slide along the extension direction of the recess.

[0048] Specifically, the recess is a waist-shaped hole, and the protrusion is a column, which is arranged on the sleeve 221 and extends into the waist-shaped hole. When the connecting rod 21 moves, the column slides in the waist-shaped hole to guide and limit the connecting rod 21.

[0049] Optionally, the first matching part 218 is arranged on the second plate body 212; and / or, the first matching part 218 is one, and the second limiting part 22 is one; or, the first matching part 218 is multiple, the multiple first matching parts 218 are arranged at intervals along the extension direction of the connecting rod 21, and the second limiting part 22 is multiple, and the multiple second limiting parts 22 are arranged one by one corresponding to the multiple first matching parts 218. In this way, by arranging multiple first matching parts 218 at different positions of the connecting rod 21, and arranging multiple second limiting parts 22 corresponding to the multiple first matching parts 218, the guiding reliability and limiting stability of the second limiting part 22 to the connecting rod 21 are improved, and the opening and closing reliability of the heaven and earth lock mechanism is further improved.

[0050] In the embodiment, by arranging the first matching part 218 on the second plate body 212, the cooperation of the second limiting part 22 and the first matching part 218 does not affect the normal opening and closing of the door body.

[0051] As shown in Figure 3 The battery cabinet door body assembly further includes a lock catch 60 arranged on the first plate body 211 or the third plate body 213. The lock catch 60 includes a connecting plate 61 and a hook-shaped part 62. The connecting plate 61 is connected with the first plate body 211 or the second plate body 212. The hook-shaped part 62 is arranged on the connecting plate 61 and protrudes from the second plate body 212. The design of the lock catch 60 not only can realize the locking function of the heaven and earth lock mechanism, but also can enhance the connection strength between the connecting rod 21 and the door body, so as to effectively prevent illegal intrusion, protect the safety of the equipment inside the battery cabinet, and reduce the safety risk. At the same time, the above arrangement makes the structure of the lock catch 60 simpler, easier to process and implement, and reduces the processing cost and difficulty of the lock catch 60.

[0052] In the embodiment, the hook-shaped part 62 is arranged upward.

[0053] In the embodiment, at least one end of the connecting rod 21 away from the driving mechanism is provided with a contact part 50. The battery cabinet door body assembly further includes a first limiting part, a pressure detection device, and a control module. The first limiting part is arranged on the door body to limit and stop the contact part 50. The pressure detection device is arranged between the first limiting part and the contact part 50. The control module is electrically connected with the pressure detection device. If the pressure detection value of the pressure detection device exceeds the preset range value, it is judged that the connecting rod 21 provided with the contact part 50 is deformed.

[0054] Specifically, in the process of the staff carrying the battery cabinet or after the carrying is completed, if the pressure detection value of the pressure detection device exceeds the preset range value, it is judged that the connecting rod 21 provided with the contact part 50 is deformed, so that the staff can detect the deformation of the connecting rod 21 in real time, and if the connecting rod 21 is deformed, the staff can take corresponding strategies to open or close the door body, thereby solving the problem that the staff cannot obtain whether the door lock rod is bent and deformed in the prior art.

[0055] In the embodiment, one end of each connecting rod 21 away from the driving mechanism is provided with a contact part 50, so as to monitor the deformation of the two connecting rods 21 in real time.

[0056] As shown in Figure 2 The contact part 50 is two, and the two contact parts 50 are provided in one-to-one correspondence with the two connecting rods 21, and each contact part 50 comprises a mounting frame 51 and a rolling body 52. The first side of the mounting frame 51 is arranged on the end of the connecting rod 21. The rolling body 52 is rotatably arranged on the second side of the mounting frame 51. Among them, the second side of the mounting frame 51 is suspended to form a mounting space between the rolling body 52 and the door body. In this way, through the contact between the rolling body 52 and the first limiting part, the friction between the two can be reduced, the structural wear of the contact part 50 and the first limiting part can be reduced, and the service life of the door body assembly is prolonged. At the same time, the rotation of the rolling body 52 can adapt to the slight displacement of the first limiting part, and the limiting reliability of the first limiting part is guaranteed.

[0057] In the embodiment, the mounting frame 51 comprises two fifth plate bodies and a sixth plate body arranged oppositely, the two fifth plate bodies are connected through the sixth plate body, and the sixth plate body is arranged perpendicular to each fifth plate body. The rolling body 52 is rotatably arranged on the two fifth plate bodies. The sixth plate body and the second plate body 212 of the connecting rod 21 are connected through a fastener.

[0058] The application also provides a battery cabinet (not shown) comprising the door body assembly for the battery cabinet.

[0059] From the above description, it can be seen that the embodiments of the present application achieve the following technical effects:

[0060] The door body assembly for the battery cabinet comprises a door body and a top-and-bottom lock mechanism, the top-and-bottom lock mechanism is arranged on the door body, the top-and-bottom lock mechanism comprises a driving mechanism and two connecting rods, one connecting rod is located above the driving mechanism and is drivingly connected with the driving mechanism, the other connecting rod is located below the driving mechanism and is drivingly connected with the driving mechanism, so as to drive the two connecting rods to move towards or away from each other through the driving mechanism, so as to realize unlocking and locking of the top-and-bottom lock mechanism. In this way, since each connecting rod is a U-shaped plate and the opening of the U-shaped plate is arranged towards the door body, the structural strength of the connecting rod is improved, the above-mentioned U-shaped plate can better resist external force during the staff carrying the energy storage battery cabinet, thereby preventing the connecting rod from being bent and deformed to affect the opening and closing of the energy storage cabinet door, solving the problem that the structural strength of the door lock rod of the energy storage battery cabinet in the prior art is low and is prone to bending and deformation, and ensuring that the staff can normally maintain the energy storage battery cabinet.

[0061] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0062] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form unless the context clearly indicates otherwise, and it should also be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, work, device, component and / or combination thereof.

[0063] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0064] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A door assembly for a battery cabinet, characterized in that, The utility model relates to a door lock, comprising: a door body; a mortise lock mechanism (20) arranged on the door body, the mortise lock mechanism (20) comprising a driving mechanism and two connecting rods (21), one connecting rod (21) being arranged above the driving mechanism and being drivingly connected with the driving mechanism, and the other connecting rod (21) being arranged below the driving mechanism and being drivingly connected with the driving mechanism, so that the two connecting rods (21) are driven by the driving mechanism to move towards or away from each other, thereby achieving unlocking and locking of the mortise lock mechanism (20); wherein each connecting rod (21) is a U-shaped plate, and the opening (214) of the U-shaped plate is arranged towards the door body.

2. The door assembly for a battery cabinet of claim 1, wherein, The U-shaped plate comprises: a first plate body (211); a second plate body (212) connected with the first plate body (211) and arranged at a first included angle; a third plate body (213) connected with the second plate body (212) and arranged at a second included angle, the first plate body (211) and the third plate body (213) being arranged on the same side of the second plate body (212); wherein the first plate body (211), the second plate body (212) and the third plate body (213) surround the opening (214); and the driving mechanism is connected with the first plate body (211) and / or the third plate body (213).

3. The door assembly for a battery cabinet of claim 2, wherein, The opening (214) comprises a first opening (2141) and a second opening (2142) arranged at intervals, and the U-shaped plate further comprises: a fourth plate body (215) arranged on the second plate body (212), the fourth plate body (215) being arranged opposite to the first plate body (211) and the third plate body (213); the fourth plate body (215) and the first plate body (211) and part of the second plate body (212) surround the first opening (2141), and the fourth plate body (215) and the third plate body (213) and part of the second plate body (212) surround the second opening (2142); wherein at least part of the driving mechanism extends into the first opening (2141) to be connected with the first plate body (211); or at least part of the driving mechanism extends into the second opening (2142) to be connected with the third plate body (213).

4. The door assembly for a battery cabinet of claim 2, wherein, The driving mechanism is connected with the first plate body (211) by clamping or fasteners; or the driving mechanism is connected with the third plate body (213) by clamping or fasteners; and / or a first reinforcing rib (2191) is arranged at the connection between the first plate body (211) and the second plate body (212); and / or a second reinforcing rib (2192) is arranged at the connection between the second plate body (212) and the third plate body (213).

5. The door assembly for a battery cabinet of claim 3, wherein, The fourth plate body (215) is one; or the fourth plate body (215) is a plurality of fourth plate bodies (215) arranged at intervals along the extension direction of the connecting rod (21).

6. The door assembly for a battery cabinet of claim 2, wherein, The first plate body (211) is provided with a first flange structure (216) at one end away from the second plate body (212), and the first flange structure (216) is attached to the first plate body (211); and / or, the third plate body (213) is provided with a second flange structure (217) at one end away from the second plate body (212), and the second flange structure (217) is attached to the third plate body (213).

7. The door assembly for a battery cabinet of claim 1, wherein, The connecting rod (21) has a first matching part (218), and the heaven-and-earth lock mechanism (20) further comprises: A second limiting part (22) is arranged on the door body, and the second limiting part (22) comprises a sleeve body (221) and a second matching part arranged on the sleeve body (221), the sleeve body (221) is sleeved outside the connecting rod (21), one of the first matching part (218) and the second matching part is a protrusion, and the other is a recess, the protrusion extends into the recess and can slide along the extension direction of the recess.

8. The door assembly for a battery cabinet of claim 2, wherein, The battery cabinet door body assembly further comprises a lock catch (60) arranged on the first plate body (211) or the third plate body (213), the lock catch (60) comprises: A connecting plate (61) connected with the first plate body (211) or the second plate body (212); A hook-shaped part (62) arranged on the connecting plate (61) and protruding from the second plate body (212).

9. The door assembly for a battery cabinet of claim 1, wherein, At least one of the connecting rods (21) is provided with a contact part (50) at one end away from the driving mechanism, and the battery cabinet door body assembly further comprises: A first limiting part arranged on the door body for limiting and stopping the contact part (50); A pressure detection device arranged between the first limiting part and the contact part (50); A control module electrically connected with the pressure detection device; If the pressure detection value of the pressure detection device exceeds the preset range value, it is judged that the connecting rod (21) provided with the contact part (50) is deformed.

10. An energy storage battery cabinet, characterized by, The battery cabinet door body assembly comprises the battery cabinet door body assembly according to any one of claims 1 to 9. The battery cabinet door body assembly comprises the battery cabinet door body assembly according to any one of claims 1 to 9.

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