A modular drawer-type low-voltage switchgear cabinet

Abstract

This invention discloses a modular drawer-type low-voltage switchgear cabinet for use in the field of smart grid equipment. It utilizes connecting unit one and connecting unit two to fix drawer-type switchgear cabinet one and drawer-type switchgear cabinet two together. The shaking generated during operation of drawer-type switchgear cabinet one and drawer-type switchgear cabinet two does not easily affect the fixing effect of connecting unit one and connecting unit two. Furthermore, when drawer-type switchgear cabinet two tends to shift laterally during operation, the locking effect of locking tongue one and locking hole one and locking tongue two and locking hole two prevents relative displacement between drawer-type switchgear cabinet one and drawer-type switchgear cabinet two. This facilitates the installation and disassembly of drawer-type switchgear cabinet one and drawer-type switchgear cabinet two, reduces the likelihood of malfunctions during use, and minimizes the impact on the deployment and expansion of drawer-type switchgear cabinet one and drawer-type switchgear cabinet two. It is suitable for use in smart grid systems that require regular upgrades and expansions.

Description

Technical Field

[0001] This invention relates to the field of smart grid equipment, and in particular to a modular drawer-type low-voltage switchgear cabinet. Background Technology

[0002] Equipment cabinets are standardized metal frame structures specifically designed to securely and centrally install and protect various electronic, electrical, or mechanical equipment, and to provide power supply, heat dissipation, and line management support. They are the core physical carriers of modern technological facilities such as data centers, communication equipment rooms, and industrial control systems. With the development of smart technologies, equipment cabinets typically require regular upgrades and maintenance. Therefore, modular equipment cabinets, which can improve deployment and expansion efficiency, enhance flexibility, and offer configurability, are the preferred choice for smart grid applications.

[0003] The invention application with publication number CN119627655A discloses a highly flexible modular energy storage cabinet. The installation space of the energy storage cabinet is calculated according to the power installation needs, and multiple cabinets are combined and installed. The cabinet is equipped with a reinforcement structure to further strengthen the cabinet assembly. The assembly operation is convenient and the assembly structure is stable.

[0004] Existing modular equipment cabinets are mainly assembled using bolts or complex linkage structures. Bolt connections can loosen during use, affecting the stability of the equipment cabinet connections. Complex linkage structures, without proper maintenance, are prone to failure in actual use, affecting the installation, disassembly, and fixation of the equipment cabinets, as well as their deployment and expansion. This is not suitable for the development needs of smart grids. Summary of the Invention

[0005] The core of this invention lies in solving the problem of unstable or unreliable connections in existing modular equipment cabinets through the cooperation of connecting unit one and connecting unit two. Simultaneously, the addition of an electromagnetic ring prevents workers from accidentally disassembling drawer-type equipment cabinet one and drawer-type equipment cabinet two during routine maintenance, and also increases the difficulty for criminals to disassemble and steal them.

[0006] To solve the above problems, the present invention adopts the following technical solution.

[0007] A modular drawer-type low-voltage complete equipment cabinet uses connecting unit one and connecting unit two to fix drawer-type equipment cabinet one and drawer-type equipment cabinet two. The shaking generated by drawer-type equipment cabinet one and drawer-type equipment cabinet two during operation is not likely to affect the fixing effect of connecting unit one and connecting unit two. At the same time, when drawer-type equipment cabinet two tends to shift laterally during operation, the locking effect of locking tongue one and locking hole one and locking tongue two and locking hole two makes it difficult for drawer-type equipment cabinet one and drawer-type equipment cabinet two to undergo relative displacement. This facilitates the installation and disassembly of drawer-type equipment cabinet one and drawer-type equipment cabinet two, and is less likely to malfunction during use, and does not affect the deployment and expansion of drawer-type equipment cabinet one and drawer-type equipment cabinet two.

[0008] Furthermore, a limiting tube is fixedly connected to the bottom plate of the first movable slot. Multiple pressure relief grooves are chiseled at the end of the limiting tube near the bottom plate of the first movable slot. A limiting tube is fixedly connected to the bottom plate of the second movable slot. Multiple pressure relief grooves are chiseled at the end of the limiting tube near the top plate of the second movable slot. The pistons one and two are not easily moved to the positions of the locking grooves one and two, and hydraulic oil is not easily spilled.

[0009] Furthermore, both connecting body one and connecting body two are made of magnetic material, and connecting body one and connecting body two are attracted to drawer-type equipment cabinet one and drawer-type equipment cabinet two respectively, making connecting unit one and connecting unit two not easy to fall off.

[0010] Furthermore, the connecting column includes a column body one, with an elastic bladder fixedly connected to the end of the column body one away from the piston one. The elastic bladder is filled with an air-hardening gel material. The lower end of the piston two is threadedly connected to a connecting seat. The top plate of the connecting seat is fixedly connected to a piercing tube. The end of the piercing tube near the connecting seat has multiple connecting grooves, which facilitates the removal of the elastic bladder one and the elastic bladder two together from the locking hole one and the locking hole two.

[0011] Furthermore, the elastic bladder expands under the action of the air-hardening gel material. After the puncture tube punctures the elastic bladder, the air-hardening gel material will be squeezed out under the action of the elastic bladder, accelerating the filling speed of the air-hardening gel material.

[0012] Meanwhile, a limit ring is fixedly connected to the inner wall of the active slot one, an electromagnetic ring is fixedly connected to the upper end of the pressure relief slot one, and a magnetic block is fixedly connected to the lower end of the piston one. When the electromagnetic ring is energized, it attracts the magnetic block. The addition of the electromagnetic ring can reduce the possibility that staff may accidentally release the fixation of drawer-type equipment cabinet one and drawer-type equipment cabinet two during routine maintenance. At the same time, it can also increase the difficulty for criminals to disassemble and steal drawer-type equipment cabinet one and drawer-type equipment cabinet two.

[0013] Furthermore, inclined grooves are cut at both the upper and lower ends of piston one, making it less likely for piston one to jam with the limiting ring.

[0014] Furthermore, a push switch is fixedly connected to the end of the locking tongue away from the pressure relief groove. The push switch is electrically connected to the electromagnetic ring and is used to control the opening and closing of the electromagnetic ring, thereby increasing the ease of operation.

[0015] Meanwhile, the locking tongue includes a locking tongue body, with an NFC module and an electromagnetic ring signal fixedly connected to the far end of the locking tongue body, further reducing the possibility of mis-locking between drawer-type equipment cabinet one and drawer-type equipment cabinet two. Each NFC module contains the identity information of the holding technician, and when the electromagnetic ring is opened, it will also leave corresponding operation information in the control terminal, which is convenient for subsequent operation and maintenance management.

[0016] Furthermore, a transition groove is carved at the end of the locking tongue away from the NFC module. An electromagnetic block is fixedly connected to the inner bottom plate of the transition groove. When the electromagnetic block is energized, it repels the sliding plate. A matching sliding plate is slidably connected inside the transition groove. A compression spring is fixedly connected between the sliding plate and the inner bottom plate of the transition groove. When the NFC module fails to pass verification, this can prevent the locking tongue from being damaged by external force and also prevent the piston from being pushed over by hydraulic oil, making it difficult for drawer-type equipment cabinet one and drawer-type equipment cabinet two to separate.

[0017] Compared with the prior art, the advantages of this invention are: This solution utilizes connecting unit one and connecting unit two to fix drawer-type equipment cabinet one and drawer-type equipment cabinet two. The shaking generated by drawer-type equipment cabinet one and drawer-type equipment cabinet two during operation will not easily affect the fixing effect of connecting unit one and connecting unit two. At the same time, when drawer-type equipment cabinet two tends to shift laterally during operation, due to the locking effect of locking tongue one and locking hole one and locking tongue two and locking hole two, drawer-type equipment cabinet one and drawer-type equipment cabinet two are not prone to relative displacement. This facilitates the installation and disassembly of drawer-type equipment cabinet one and drawer-type equipment cabinet two, and is less likely to malfunction during use, and will not affect the deployment and expansion of drawer-type equipment cabinet one and drawer-type equipment cabinet two.

[0018] The addition of electromagnetic rings can prevent staff from accidentally disassembling drawer-type equipment cabinet one and drawer-type equipment cabinet two during routine maintenance, and also increase the difficulty for criminals to disassemble and steal drawer-type equipment cabinet one and drawer-type equipment cabinet two.

[0019] Finally, an NFC module is used to replace the push-button switch. The NFC module must authenticate the user before the drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 can be disassembled normally. When the NFC module fails to authenticate, the structure of the locking tongue 1 can prevent the locking tongue 1 from being damaged under external force, and can also prevent the piston 1 from being pushed over the limit ring under the action of hydraulic oil, making it difficult for drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 to separate. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the assembled modular drawer-type low-voltage switchgear cabinet according to the first embodiment of the present invention. Figure 2 This is a partial structural diagram of the connecting groove of a drawer-type equipment cabinet according to the first embodiment of the present invention. Figure 3 This is a partial structural diagram of the connecting groove of the drawer-type equipment cabinet 2 according to the first embodiment of the present invention; Figure 4 This is a schematic diagram of the structure of the connection unit 1 according to the first embodiment of the present invention; Figure 5 This is a schematic diagram of the structure of the second connection unit according to the first embodiment of the present invention; Figure 6 This is a partial cross-sectional structural diagram of the connection between drawer-type equipment cabinet one and drawer-type equipment cabinet two according to the first embodiment of the present invention. Figure 7 for Figure 6 Schematic diagram of the structure at point A; Figure 8 This is a schematic diagram showing the working state changes of connection unit one and connection unit two according to the first embodiment of the present invention; Figure 9 This is a partial cross-sectional structural diagram of the connection between drawer-type equipment cabinet one and drawer-type equipment cabinet two according to the second embodiment of the present invention. Figure 10 for Figure 9 Schematic diagram of the structure at point B; Figure 11 This is a schematic diagram of the structure of the connection unit 1 according to the third embodiment of the present invention; Figure 12 This is a side cross-sectional view of a connecting unit 1 according to the third embodiment of the present invention.

[0021] Explanation of the labels in the diagram: 1. Drawer-type equipment cabinet I, 101 Cabinet body I, 102 Connecting slot I, 103 Locking hole I; 2. Drawer-type equipment cabinet II, 201 Cabinet body II, 202 Connecting slot II, 203 Locking hole II; 3. Connecting unit I, 301 Connecting body I, 302 Movable slot I, 303 Locking slot I, 304 Locking tongue I, 3041 Locking tongue body, 3042 NFC module, 3043 transition groove, 3044 sliding plate, 3045 electromagnetic block, 3046 compression spring three, 305 limiting tube one, 306 pressure relief groove one, 307 compression spring one, 308 piston one, 309 magnetic block, 310 electromagnetic ring, 311 limiting ring, 4 connecting unit two, 401 connecting body two, 402 movable groove two, 403 locking groove two, 404 locking tongue two, 405 limiting tube two, 406 pressure relief groove two, 407 compression spring two, 408 piston two, 409 connecting seat, 410 piercing tube, 411 connecting groove, 5 connecting column, 501 column body one, 502 elastic bladder. Detailed Implementation

[0022] The technical solutions will now be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention.

[0023] First implementation method: Please see Figures 1-5 A modular drawer-type low-voltage complete equipment cabinet includes a drawer-type equipment cabinet 1 and a drawer-type equipment cabinet 2 that match each other. The drawer-type equipment cabinet 1 includes a cabinet body 101. A connecting groove 102 is carved at the upper end of the cabinet body 101. A locking hole 103 is carved on the side wall of the connecting groove 102 and the locking hole 103 connects the connecting groove 102 to the outside. The drawer-type equipment cabinet 2 includes a cabinet body 201. A connecting groove 202 is carved at the end of the cabinet body 201 near the cabinet body 101. The connecting groove 202 is carved on the side wall of the connecting groove 202 and the locking hole 203 connects the connecting groove 202 to the outside. Connecting unit 1 3 and connecting unit 2 4 are respectively inserted into connecting groove 1 102 and connecting groove 2 202. Connecting unit 1 3 includes connecting body 1 301, in which a movable groove 1 302 and a locking groove 1 303 are carved, and the position of locking groove 1 303 matches the locking hole 1 103. A piston 1 308 is slidably connected in movable groove 1 302, and a compression spring 1 307 is fixedly connected between piston 1 308 and the bottom plate of movable groove 1 302. A locking tongue 1 304 that matches itself is slidably connected in locking groove 1 303. Connecting unit 2 4 includes connecting body 2 401, in which a movable groove 2 402 and a locking groove 2 403 are carved, and both are slidably connected. 03, and the position of locking groove 2 403 matches locking hole 2 203. Piston 2 408 is slidably connected in movable groove 2 402. Hydraulic oil is filled in the space between movable groove 1 302 and locking groove 1 303 between locking tongue 1 304 and piston 1 308. Hydraulic oil is also filled in the space between movable groove 2 402 and locking groove 2 403 between locking tongue 2 404 and piston 2 408. Compression spring 2 407 is fixedly connected between piston 2 408 and the top plate of movable groove 2 402. Locking tongue 2 404 matching itself is slidably connected in locking groove 2 403. Connecting post 5 is fixedly connected to the upper end of piston 1 308. The end of connecting post 5 away from piston 1 308 contacts piston 2 408.

[0024] Before installing drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2, insert connecting unit 3 and connecting unit 4 into connecting slot 102 and connecting slot 202 respectively. During installation, insert connecting post 5 into movable slot 202. As drawer-type equipment cabinet 202 moves towards drawer-type equipment cabinet 1, the upper end of connecting post 5 contacts piston 208. As drawer-type equipment cabinet 202 continues to move towards drawer-type equipment cabinet 1, both ends of connecting post 5 will respectively... The pressure generated by pushing piston 308 and piston 408 is transmitted through hydraulic oil, causing locking tongue 304 and locking tongue 404 to move toward locking hole 103 and locking hole 203 respectively, until they are embedded in locking hole 103 and locking hole 203, thus completing the locking. In the subsequent use of drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2, even if drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 shake during subsequent use, the connection between connecting unit 3 and connecting unit 4 will not easily become loose.

[0025] When it is necessary to separate drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2, drawer-type equipment cabinet 2 needs to be lifted vertically, and the distance between connecting unit 1 and connecting unit 2 gradually increases. At this time, connecting column 5 moves with piston 1 308. Under the action of compression spring 1 307 and compression spring 2 407 in a compressed state, piston 1 308 and piston 2 408 move towards each other. At this time, locking tongue 1 304 and locking tongue 2 404 also gradually retract into locking groove 1 303 and locking groove 2 403 under the action of hydraulic pressure, releasing the locking of connecting unit 1 3 and connecting unit 2 4 on drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2. After drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 are completely disassembled, connecting unit 1 3 and connecting unit 2 4 can be taken out from drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 respectively.

[0026] In this embodiment, the drawer-type equipment cabinet 1 and the drawer-type equipment cabinet 2 are fixed together by connecting unit 3 and connecting unit 4. The shaking generated by the drawer-type equipment cabinet 1 and the drawer-type equipment cabinet 2 during operation is not likely to affect the fixing effect of connecting unit 3 and connecting unit 4. At the same time, when the drawer-type equipment cabinet 2 has a tendency to shift laterally during operation, due to the locking effect of locking tongue 304 and locking hole 103 and locking tongue 404 and locking hole 203, the drawer-type equipment cabinet 1 and the drawer-type equipment cabinet 2 are not likely to undergo relative displacement. This facilitates the installation and disassembly of the drawer-type equipment cabinet 1 and the drawer-type equipment cabinet 2, and is less likely to malfunction during use, and is less likely to affect the deployment and expansion of the drawer-type equipment cabinet 1 and the drawer-type equipment cabinet 2.

[0027] Limiting tube 305 is fixedly connected to the bottom plate of movable slot 1 302. Multiple pressure relief grooves 306 are chiseled at the end of limiting tube 305 near the bottom plate of movable slot 1 302. Limiting tube 405 is fixedly connected to the bottom plate of movable slot 2 402. Multiple pressure relief grooves 406 are chiseled at the end of limiting tube 405 near the top plate of movable slot 2 402. Limiting tube 305 and limiting tube 405 limit piston 1 308 and piston 2 408 respectively, making it difficult for piston 1 308 and piston 2 408 to move to the position of locking groove 1 303 and locking groove 2 403, and making it difficult for hydraulic oil to overflow.

[0028] Both the connecting body 1 301 and the connecting body 2 401 are made of magnetic material, and the connecting body 1 301 and the connecting body 2 401 are attracted to the drawer-type equipment cabinet 1 and the drawer-type equipment cabinet 2 respectively, making the connecting unit 1 3 and the connecting unit 2 4 less likely to fall off.

[0029] Please see Figures 6-8The connecting column 5 includes a column body 501. An elastic bladder 502 is fixedly connected to the end of the column body 501 away from the piston 308. The elastic bladder 502 is filled with an air-hardening gel material, which can be a two-component epoxy resin. A connecting seat 409 is threadedly connected to the lower end of the piston 408. A spike tube 410 is fixedly connected to the top plate of the connecting seat 409. Multiple connecting grooves 411 are chiseled at the end of the spike tube 410 near the connecting seat 409. (The last sentence appears to be incomplete and possibly refers to a different type of equipment cabinet.) During installation, the piercing tube 410 will puncture the elastic bladder 502, causing the air-hardening gel material filled inside the elastic bladder 502 to overflow and solidify, fixing the piston 2 408 and the connecting column 5, increasing the fixing effect of the connecting unit 1 3 and the connecting unit 2 4 on the drawer-type equipment cabinet 1 1 and the drawer-type equipment cabinet 2 2. When the drawer-type equipment cabinet 1 1 and the drawer-type equipment cabinet 2 2 are subsequently disassembled, it is also convenient to remove the connecting unit 1 3 and the connecting unit 2 4 together from the locking hole 1 103 and the locking hole 2 203.

[0030] The elastic bladder 502 expands under the action of the air-hardening gel material. After the puncture tube 410 punctures the elastic bladder 502, the air-hardening gel material will be squeezed out under the action of the elastic bladder 502, thus accelerating the filling speed of the air-hardening gel material.

[0031] In particular, this embodiment only shows the top and bottom installation method. When side installation is required, it is only necessary to chisel the same locking hole 103 and locking hole 203 as in this embodiment on the side wall of drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2. This is a well-known technology to those skilled in the art. Those skilled in the art can make reasonable designs and installations based on the existing technology to meet the usage requirements of this application.

[0032] Second implementation method: Please see Figures 9-10 A limit ring 311 is fixedly connected to the inner wall of the active slot 302. After the drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 are installed, the limit ring 311 is located on the upper side of the piston 308. An electromagnetic ring 310 is fixedly connected to the upper end of the pressure relief slot 306, and a magnetic block 309 is fixedly connected to the lower end of the piston 308. When the electromagnetic ring 310 is energized, it attracts the magnetic block 309.

[0033] In this embodiment, when it is necessary to separate drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2, the electromagnetic ring 310 needs to be energized first. The piston 308 drives the magnetic block 309 to move towards the electromagnetic ring 310, so that the compression spring 307 stores energy. Then the electromagnetic ring 310 is de-energized, and the piston 308 accelerates under the action of the compression spring 307 and passes the limit ring 311. Subsequently, drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 can respectively drive the connecting unit 3 and connecting unit 4 to move, and contact the connecting unit 3 and connecting unit 4 to fix the drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2.

[0034] Compared to the first implementation method, in this implementation method, when the drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 are disassembled after installation, the electromagnetic ring 310 needs to be activated. This can reduce the possibility that the staff may accidentally release the fixation of the drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 during routine maintenance, and at the same time increase the difficulty for criminals to disassemble and steal the drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2.

[0035] The piston 308 has beveled grooves at both the top and bottom ends to prevent it from jamming with the limiting ring 311.

[0036] A push switch is fixedly connected to the end of the locking tongue 304 away from the pressure relief groove 306. The push switch is electrically connected to the electromagnetic ring 310 and is used to control the opening and closing of the electromagnetic ring 310, thereby increasing the ease of operation.

[0037] The selection of the electromagnetic ring 310 and the power supply method of the push switch are all well-known technologies to those skilled in the art. Those skilled in the art can make reasonable selections based on existing technologies to meet the usage requirements, so they are not disclosed in detail in this application.

[0038] The third implementation method: Please see Figures 11-12The locking tongue 304 includes a locking tongue body 3041. A 3402 is fixedly connected to the end of the locking tongue body 3041 furthest from 306. An NFC module 3042 is signal-connected to an electromagnetic ring 310. A control terminal is installed inside the drawer-type equipment cabinet 1. Both the NFC module 3042 and the electromagnetic ring 310 are signal-connected to the control terminal. The 3402 can control the opening and closing of the electromagnetic ring 310. The control of the 3402 is verified by a technician through contact with the NFC module. After successful verification, the electromagnetic ring 310 opens and operates normally, allowing the locking tongue 304 to be pushed. Only then can drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 be disassembled, further reducing the possibility of mis-locking between drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2. Each NFC module contains the identification information of the technician holding the module. When the electromagnetic ring 310 is opened, corresponding operation information is left in the control terminal for subsequent maintenance and management requirements.

[0039] The locking tongue 3041 has a transition groove 3043 cut at the end away from the NFC module 3042. An electromagnetic block 3045 is fixedly connected to the inner bottom plate of the transition groove 3043. When the electromagnetic block 3045 is energized, it repels the sliding plate 3044. A matching sliding plate 3044 is slidably connected inside the transition groove 3043. A compression spring 3046 is fixedly connected between the sliding plate 3044 and the inner bottom plate of the transition groove 3043. When the NFC module 3042 fails to pass verification, the locking tongue 3041 can still push the locking tongue 304 to move under the action of external force. At this time, the sliding plate 3044 moves towards the electromagnetic block 3045 under the hydraulic action of hydraulic oil. On the one hand, this can prevent the locking tongue 304 from being damaged under the action of external force. On the other hand, it can also prevent the piston 308 from being pushed over 311 under the action of hydraulic oil, making it difficult for the drawer-type equipment cabinet 1 and the drawer-type equipment cabinet 2 to separate.

[0040] When drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 need to be separated, the NFC module 3042 is verified and the electromagnetic block 3045 is also powered on synchronously, so that the sliding plate 3044 and the electromagnetic block 3045 repel each other, so that the hydraulic oil can transmit pressure normally, and the drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 can be disassembled normally.

[0041] Compared to the first and second implementation methods, in this implementation method, the NFC module 3042 is used to replace the push switch. The NFC module 3042 is required to authenticate the user before the drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 can be disassembled normally. The corresponding operation information will also be left in the control terminal to facilitate subsequent operation and maintenance management requirements. At the same time, when the NFC module 3042 fails to authenticate, the structure of the locking tongue 304 can prevent the locking tongue 304 from being damaged under external force, and can also prevent the piston 308 from being pushed over the limit ring 311 under the action of hydraulic oil, making it difficult for the drawer-type equipment cabinet 1 and drawer-type equipment cabinet 2 to separate.

[0042] The above description is merely a preferred embodiment of the present invention; it encompasses all the protection scope of the present invention. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in the present invention, based on the technical solutions and improved concepts of the present invention, should be covered within the protection scope of the present invention.

Claims

1. A modular drawer-type low-voltage complete equipment cabinet, comprising a drawer-type equipment cabinet one (1) and a drawer-type equipment cabinet two (2) that match each other, characterized in that: The drawer-type equipment cabinet one (1) includes a cabinet body one (101), the upper end of the cabinet body one (101) is chiseled with a connecting groove one (102), the side wall of the connecting groove one (102) is chiseled with a locking hole one (103), and the locking hole one (103) connects the connecting groove one (102) to the outside. The drawer-type equipment cabinet two (2) includes a cabinet body two (201), the end of the cabinet body two (201) near the cabinet body one (101) is chiseled with a connecting groove two (202) whose position matches the connecting groove one (102), the side wall of the connecting groove two (202) is chiseled with a locking hole two (203), and the locking hole two (203) connects the connecting groove two (202) to the outside. Connecting unit 1 (3) and connecting unit 2 (4) are respectively inserted into connecting groove 1 (102) and connecting groove 2 (202). Connecting unit 1 (3) includes connecting body 1 (301). Connecting body 1 (301) has a movable groove 1 (302) and a locking groove 1 (303) that are interconnected. The position of locking groove 1 (303) matches the locking hole 1 (103). Piston 1 (308) is slidably connected in movable groove 1 (302). Compression spring 1 (307) is fixedly connected between piston 1 (308) and the bottom plate of movable groove 1 (302). Locking tongue 1 (304) that matches itself is slidably connected in locking groove 1 (303). Connecting unit 2 (4) includes connecting body 2 (401). Connecting body 2 (401) has a movable groove 2 (402) and a locking groove 2 (404) that are interconnected. 403), and the position of the second locking groove (403) matches the second locking hole (203). The second piston (408) is slidably connected in the second movable groove (402). The space between the first locking tongue (304) and the first piston (308) in the first movable groove (302) and the first locking groove (303) is filled with hydraulic oil. The space between the second locking tongue (404) and the second piston (408) in the second movable groove (402) and the second locking groove (403) is also filled with hydraulic oil. The second compression spring (407) is fixedly connected between the second piston (408) and the top plate of the second movable groove (402). The second locking tongue (404) that matches itself is slidably connected in the second locking groove (403). The upper end of the first piston (308) is fixedly connected with a connecting post (5). The end of the connecting post (5) away from the first piston (308) is in contact with the second piston (408).

2. The modular drawer-type low-voltage switchgear cabinet according to claim 1, characterized in that: A limiting tube (305) is fixedly connected to the bottom plate of the first movable groove (302). Multiple pressure relief grooves (306) are chiseled at the end of the limiting tube (305) near the bottom plate of the first movable groove (302). A limiting tube (405) is fixedly connected to the bottom plate of the second movable groove (402). Multiple pressure relief grooves (406) are chiseled at the end of the limiting tube (405) near the top plate of the second movable groove (402).

3. The modular drawer-type low-voltage switchgear cabinet according to claim 1, characterized in that: Both the first connecting body (301) and the second connecting body (401) are made of magnetic material, and the first connecting body (301) and the second connecting body (401) are attracted to the first drawer-type equipment cabinet (1) and the second drawer-type equipment cabinet (2), respectively.

4. A modular drawer-type low-voltage switchgear cabinet according to claim 1, characterized in that: The connecting column (5) includes a column body (501), an elastic bladder (502) is fixedly connected to the end of the column body (501) away from the piston (308), the elastic bladder (502) is filled with an air-hardening gel material, the lower end of the piston (408) is threadedly connected to a connecting seat (409), the top plate of the connecting seat (409) is fixedly connected to a piercing tube (410), and the end of the piercing tube (410) near the connecting seat (409) has multiple connecting grooves (411).

5. A modular drawer-type low-voltage switchgear cabinet according to claim 4, characterized in that: The elastic capsule (502) expands under the action of the air-hardening gel material.

6. A modular drawer-type low-voltage switchgear cabinet according to claim 2, characterized in that: The inner wall of the first movable groove (302) is fixedly connected to a limit ring (311), the upper end of the first pressure relief groove (306) is fixedly connected to an electromagnetic ring (310), and the lower end of the first piston (308) is fixedly connected to a magnetic block (309). When the electromagnetic ring (310) is energized, it attracts the magnetic block (309).

7. A modular drawer-type low-voltage switchgear cabinet according to claim 1, characterized in that: Both ends of the piston (308) are chiseled with inclined grooves.

8. A modular drawer-type low-voltage switchgear cabinet according to claim 6, characterized in that: A push switch is fixedly connected to the end of the locking tongue (304) away from the pressure relief groove (306), and the push switch is electrically connected to the electromagnetic ring (310).

9. A modular drawer-type low-voltage switchgear cabinet according to claim 1, characterized in that: The locking tongue (304) includes a locking tongue body (3041), and a (3402) is fixedly connected to one end of the locking tongue body (3041) away from (306). The NFC module (3042) is signal-connected to the electromagnetic ring (310).

10. A modular drawer-type low-voltage switchgear cabinet according to claim 9, characterized in that: The locking tongue (3041) has a transition groove (3043) at the end away from the NFC module (3042). An electromagnetic block (3045) is fixedly connected to the inner bottom plate of the transition groove (3043). When the electromagnetic block (3045) is energized, it repels the sliding plate (3044). A matching sliding plate (3044) is slidably connected inside the transition groove (3043). A compression spring (3046) is fixedly connected between the sliding plate (3044) and the inner bottom plate of the transition groove (3043).

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