Lightning protection branching cabinet

Abstract

The utility model relates to the field of railway branching cabinets, in particular to a lightning protection branching cabinet. The lightning protection branching cabinet provided by the utility model comprises a cabinet body and a mounting plate located in the cabinet body, the mounting plate comprises a first side wall surface and a second side wall surface which are oppositely arranged, the first side wall surface is provided with a plurality of branching terminals, the second side wall surface is provided with a plurality of surge protectors which are in one-to-one correspondence with the branching terminals, and the surge protectors are connected with the first side wall surface and the second side wall surface. The mounting plate is provided with a plurality of communicating holes which are in one-to-one correspondence with the branching terminals, and wire outlets of the branching terminals are coupled with the surge protector through lightning protection cables penetrating through the communicating holes.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway distribution cabinet field especially, it is a lightning protection distribution cabinet. BACKGROUND

[0002] In the place of railway and so on, signal cable exists a large amount, often need to carry out distribution to signal cable, specifically, distribution is respectively connected into distribution terminal to each core of signal cable, carries out distribution through distribution terminal, and is connected with surge protection device, realizes lightning protection simultaneously, for realizing above-mentioned function, usually need to place lightning protection distribution cabinet in railway signal mechanical room, the main function of lightning protection distribution cabinet is the switching of indoor and outdoor signal cable, distribution that reduces or reduces the lightning electromagnetic pulse intensity that enters signal mechanical room through outdoor signal cable. Lightning protection distribution cabinet is composed of cabinet, distribution terminal, surge protection device, ground busbar and related accessories.

[0003] Because the distribution of signal cable operation involves the layout of cable before and after distribution in the cabinet, lightning protection also involves the layout of cable between distribution terminal and surge protection device and ground cable, that is, there are two kinds of distribution cable and lightning protection cable in the cabinet, so the number of cable in the cabinet is relatively large, which may cause mutual influence of cable in the cabinet, and it is not convenient for the operator to separately operate the cable related to the distribution terminal or separately operate the cable related to the surge protection device. SUMMARY

[0004] On the one hand, the utility model provides a lightning protection distribution cabinet can distribute the cable related to distribution terminal and the cable related to surge protection device, thereby facilitating the cable operation in the cabinet.

[0005] The lightning protection distribution cabinet provided by the utility model, including cabinet and installation plate in the cabinet, the installation plate includes first side wall surface and second side wall surface that set up oppositely, be equipped with a plurality of distribution terminals on the first side wall surface, be equipped with a plurality of surge protection devices corresponding to the distribution terminal on the second side wall surface, a plurality of communication holes corresponding to the distribution terminal are set up on the installation plate, and the outgoing port of the distribution terminal is coupled with the surge protection device through the lightning protection cable passing through the communication hole.

[0006] Further, the installation plate has a plurality of regularly arranged setting areas, each of the setting areas is provided with a plurality of distribution terminals and surge protection devices.

[0007] Further, the plurality of setting areas are arranged along a first direction, the plurality of distribution terminals in each of the setting areas are regularly arranged on the first side wall surface along a direction perpendicular to the first direction, and the plurality of surge protectors in each of the setting areas are regularly arranged on the second side wall surface along a direction perpendicular to the first direction; in the first direction, two wire slot structures are arranged at intervals on the first side wall surface in each of the setting areas, the distribution terminal is located between the two wire slot structures, and the communication hole is located between the wire outlet and one of the wire slot structures.

[0008] Further, the communication hole is provided with a sealing ring.

[0009] Further, the cabinet body is provided with oppositely arranged first and second cabinet doors, the first cabinet door faces the first side wall surface, and the second cabinet door faces the second side wall surface.

[0010] Further, the wire slot structure comprises a slot wall for enclosing a wire channel, and a plurality of wire passing openings are arranged at intervals on the slot wall close to the wire outlet.

[0011] Further, a plurality of wire passing openings are arranged at intervals on the slot wall close to the wire inlet of the distribution terminal.

[0012] Further, the cabinet body is further provided with a grounding row and a plurality of collection rows, the grounding row extends along a first direction, the collection rows correspond one-to-one to the setting areas, one end of the collection row forms a first connection end, and the other end forms a plurality of second connection ends, the second connection ends correspond one-to-one to the surge protectors in the setting areas, and the first connection end is connected to the grounding row.

[0013] Further, the grounding row is located close to the second side wall surface in the cabinet body.

[0014] Further, the surge protector comprises a switch part and a processing module for controlling the switch part according to the state of the surge protector, the switch parts of the plurality of surge protectors are connected in series to a signal circuit, and the signal circuit comprises a power supply and an indicating part. Advantages

[0015] The lightning protection terminal and the surge protector are separated by the mounting plate, the relevant cables such as the railway signal cable and the grounding cable are arranged in the corresponding areas on the two sides of the mounting plate respectively, the lightning protection cable of one outlet of the lightning protection terminal extends into the second side wall surface through the communication hole of the corresponding position of the mounting plate, and is connected with the corresponding surge protector on the side, so that the lightning protection of the railway signal cable through the lightning protection terminal is realized, through the above-mentioned mode, the lightning protection and the function area division of the lightning protection distribution cabinet are realized, the separation between the railway signal cable and the grounding cable is ensured, so that the different cables are arranged simply and easily distinguished in the areas, the wiring operation is easily carried out respectively when the lightning protection distribution cabinet is assembled, and the operation of the single area can be carried out respectively according to the need during daily maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor under the premise of the drawings.

[0017] Figure 1 It is the overall structure schematic diagram of the first side wall surface direction of the lightning protection distribution cabinet provided in the embodiment one to the embodiment three of the utility model;

[0018] Figure 2 It is the overall structure schematic diagram of the second side wall surface direction of the lightning protection distribution cabinet provided in the embodiment one to the embodiment three of the utility model;

[0019] Figure 3 It is the structure schematic diagram of the lightning protection terminal and the mounting plate cooperation provided in the embodiment one to the embodiment three of the utility model;

[0020] Figure 4 It is the structure schematic diagram of the surge protector and the mounting plate cooperation provided in the embodiment one to the embodiment three of the utility model;

[0021] Figure 5 It is the structure schematic diagram of the wire slot structure provided in the embodiment one to the embodiment three of the utility model;

[0022] Figure 6 It is the circuit schematic diagram of the signal circuit provided in the embodiment two and the embodiment three of the utility model;

[0023] Figure 7 It is the circuit schematic diagram of the surge protector and the signal circuit cooperation provided in the embodiment two and the embodiment three of the utility model.

[0024] Label: 1-cabinet; 2-mounting plate; 3-first side wall surface; 4-second side wall surface; 5-wiring terminal; 6-communication hole; 7-wiring slot structure; 8-surge protector; 9-gathering row; 10-grounding row; 11-first connection end; 12-wiring channel; 13-slot wall; 14-threading port; 15-signal circuit; 16-indicator; 17-power supply; 18-thermal trip assembly; 19-lightning protection element; 20-processing module; 21-switching piece; a-first direction. DETAILED DESCRIPTION

[0025] The specific embodiments of the utility model are described in detail below in combination with the drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model. EMBODIMENT

[0026] A lightning protection wiring distribution cabinet, comprising a cabinet 1 and a mounting plate 2 located in the cabinet 1, the mounting plate 2 comprises a first side wall surface 3 and a second side wall surface 4 arranged oppositely, a plurality of wiring terminals 5 are arranged on the first side wall surface 3, a plurality of surge protectors 8 corresponding to the wiring terminals 5 are arranged on the second side wall surface 4, a plurality of communication holes 6 corresponding to the wiring terminals 5 are arranged on the mounting plate 2, and the wiring terminals 5 are coupled with the surge protectors 8 through lightning protection cables passing through the communication holes 6.

[0027] The mounting plate 2 of the lightning protection wiring distribution cabinet is fixedly arranged in the cabinet 1 through the cooperation of screws and supports, and the first side wall surface 3 and the second side wall surface 4 on both sides of the mounting plate 2 form two mating surfaces, and the space in the cabinet 1 is divided into two parts by the mounting plate 2, wherein the space on one side of the first side wall surface 3 is used to realize the distribution of railway signal cables, including the arrangement of railway signal cables before and after distribution and the arrangement of wiring terminals 5, and the space on one side of the second side wall surface 4 is used to realize the lightning protection function, including the arrangement of surge protectors 8 and the arrangement of grounding cables.

[0028] The lightning protection terminal 5 and the surge protector 8 in the scheme are separated by the mounting plate 2, and the respective related cables such as the railway signal cable and the grounding cable are also arranged in the corresponding areas on both sides of the mounting plate 2, the lightning protection cable extending from one outlet of the lightning protection terminal 5 extends into the second side wall surface 4 through the communication hole 6 formed at the corresponding position of the mounting plate 2 and is connected with the corresponding surge protector 8 on the side, so as to realize the lightning protection of the railway signal cable through the lightning protection terminal 5. Through the above-mentioned mode, the scheme realizes the functions of lightning protection and distribution of the lightning protection distribution cabinet, the lightning protection terminal 5 for distribution is arranged on the first side wall surface 3, and the surge protector 8 for lightning protection and the grounding cable are arranged on the second side wall surface 4, so as to ensure that the railway signal cable and the grounding cable are separated, so that the different cables are arranged in the respective areas and are easy to distinguish, the wiring operation is easy to be carried out during the assembly of the lightning protection distribution cabinet, and the operation of the separate area can be carried out according to the need during the daily maintenance.

[0029] In an optional embodiment, the mounting plate 2 has a plurality of regularly arranged setting areas, and each setting area is provided with a plurality of lightning protection terminals 5 and surge protectors 8.

[0030] The mounting plate 2 is composed of a plurality of setting areas, and each setting area includes a plurality of lightning protection terminals 5 and surge protectors 8, so as to form a relatively independent lightning protection distribution module. In the lightning protection distribution module, the setting area is a part of the mounting plate 2, so that the space on one side of the first side wall surface 3 of the setting area is used to realize the distribution of the railway signal cable, and the space on one side of the second side wall surface 4 is used to realize the lightning protection function, the lightning protection terminal 5 for distribution and the railway signal cable matched therewith are arranged on the first side wall surface 3, the surge protector 8 for lightning protection and the grounding cable are arranged on the second side wall surface 4, the lightning protection cable extending from one outlet of the lightning protection terminal 5 extends into the second side wall surface 4 through the communication hole 6 formed at the corresponding position of the mounting plate 2 and is connected with the corresponding surge protector 8 on the side, that is, each lightning protection distribution module has complete functions of distribution and lightning protection of the railway signal cable, the number of the setting areas can be determined according to the designed number of the distribution, when the core of the railway signal cable is more, the mounting plate 2 with a larger size is designed, a larger number of setting areas are divided, and a larger number of lightning protection distribution modules are used to cooperate with the distribution and lightning protection.

[0031] In an alternative embodiment, the plurality of setting areas are arranged along the first direction a, the plurality of line distribution terminals 5 in each setting area are regularly arranged on the first side wall surface 3 along a direction perpendicular to the first direction a, and the plurality of surge protectors 8 in each setting area are regularly arranged on the second side wall surface 4 along a direction perpendicular to the first direction a; along the first direction a, two line groove structures 7 are arranged on the first side wall surface 3 in each setting area at intervals, the line distribution terminal 5 is located between the two line groove structures 7, and the communication hole 6 is located between the outlet and one line groove structure 7.

[0032] The cabinet body 1 of the lightning protection distribution cabinet is the first direction a from top to bottom, the mounting plate 2 extends along the first direction a, and divides to form a plurality of setting areas arranged in the cabinet body 1 from top to bottom, thereby forming a plurality of lightning protection distribution modules.

[0033] The line distribution terminal 5 in each lightning protection distribution module, i.e. in each setting area, is arranged on the first side wall surface 3 of the mounting plate 2 of the setting area, and specifically, abuts against each other in a direction perpendicular to the first direction a, i.e. transversely, to form a line distribution row; the surge protector 8 in each lightning protection distribution module, i.e. in each setting area, is also arranged on the second side wall surface 4 of the mounting plate 2 of the setting area, and specifically, arranged transversely to each other in a direction perpendicular to the first direction a; since the line distribution terminal 5 and the surge protector 8 form a line distribution lightning protection group one by one, and the relative positions between the line distribution terminal 5 and the surge protector 8 of each line distribution lightning protection group are fixed, the lightning protection cables between the line distribution terminal 5 and the surge protector 8 in each setting area are arranged uniformly, so as to facilitate wiring operation and identification of the cables during maintenance.

[0034] Along the first direction a, two line groove structures 7 are arranged on the first side wall surface 3 in each setting area at intervals, the line distribution terminal 5 has an inlet and an outlet, one line groove structure 7 is close to the inlet, and the other line groove structure 7 is close to the outlet, the railway signal cable which is not connected to the line distribution terminal 5 for line distribution operation is arranged in the line groove structure 7 close to the inlet and extends to the corresponding line distribution terminal 5, and the core is connected to the inlet, and the cable after line distribution operation is arranged in the line groove structure 7 close to the outlet after extending out of the outlet. A communication hole 6 is formed on the mounting plate 2 close to the outlet of each line distribution terminal 5, and the communication hole 6 is located between the outlet and the line groove structure 7 close to the outlet, the lightning protection cable extending out of one outlet of the line distribution terminal 5 passes through the communication hole 6 and enters the second side wall surface 4 of the mounting plate 2, and then is connected to the corresponding surge protector 8, the lightning protection cable and the cable extending out of the other outlet of the line distribution terminal 5 are arranged in parallel, so that the surge protector 8 protects the cable of the line distribution terminal 5 from lightning.

[0035] In an alternative embodiment, a sealing ring is arranged in the communication hole 6.

[0036] The communication hole 6 is a round hole, and the sealing ring is embedded in the communication hole 6, which can avoid the edge of the communication hole 6 from cutting the cable.

[0037] In an alternative embodiment, the cabinet body 1 has a first cabinet door and a second cabinet door arranged oppositely, the first cabinet door faces the first side wall surface 3, and the second cabinet door faces the second side wall surface 4.

[0038] The mounting plate 2 divides the space in the cabinet body 1 into two parts, one part on the side of the first side wall surface 3 is used for realizing the distribution of the railway signal cable, and the other part on the side of the second side wall surface 4 is used for realizing the lightning protection function. The two cabinet doors of the cabinet body 1 correspond to the distribution space of the railway signal cable and the lightning protection function space respectively. Specifically, the first cabinet door faces the first side wall surface 3, and the operator can open the first cabinet door to separately perform the distribution operation of the railway signal cable. The second cabinet door can be opened to separately perform the operation of the surge protector 8 and the operation of the grounding cable involved in the lightning protection function.

[0039] In an alternative embodiment, the wire slot structure 7 includes a slot wall 13 for enclosing a wire channel 12, and a plurality of wire passing holes 14 are arranged on the slot wall 13 near the wire outlet. A plurality of wire passing holes 14 are arranged on the slot wall 13 near the wire inlet of the distribution terminal 5.

[0040] The wire slot structure 7 is a U-shaped slot body formed by bending a plate member, wherein the opposite plate member parts form the slot walls 13 on both sides of the slot body. A plurality of wire passing holes 14 are arranged on the slot walls 13 in the extension direction of the wire slot structure 7, respectively, so as to ensure that the wire passing holes 14 of the wire slot structure 7 on both sides of the distribution terminal 5 face the distribution terminal 5. The core of the railway signal cable which is not connected to the distribution terminal 5 for distribution operation is arranged in the wire slot structure 7 near the wire inlet, and is connected to the wire inlet outside the wire slot structure 7 through the wire passing hole 14 arranged towards the wire inlet. The cable after the distribution operation is connected to the wire slot structure 7 near the wire outlet through the wire passing hole 14 arranged towards the wire outlet.

[0041] In an alternative embodiment, the cabinet body 1 further comprises a grounding row 10 and a plurality of collection rows 9. The grounding row 10 extends along the first direction a, and the collection rows 9 correspond to the setting areas one by one. One end of the collection row 9 forms a first connection end 11, and the other end forms a plurality of second connection ends. The second connection ends are connected to the surge protectors 8 in the corresponding setting areas one by one, and the first connection end 11 is connected to the grounding row 10.

[0042] The collection row 9 plays a role of grounding cable, each collection row 9 includes a copper sheet and a fixed wire at one end of the copper sheet, a plurality of second connection ends are formed on the copper sheet, and the end of the second connection end can extend into the grounding port of the surge protector 8 to be electrically connected with the lightning protection circuit, the protruding part on each copper sheet corresponds to the surge protector 8 in the setting area, so that the surge protector 8 in the setting area is grounded through the copper sheet, and the cable is multiple and messy caused by the single grounding of each surge protector 8 is avoided.

[0043] The grounding row 10 extends in the first direction a in the cabinet 1 and is connected with the grounding net outside the cabinet 1, so the grounding row 10 sequentially passes through each setting area on the mounting plate 2, and the collection row 9 in each setting area is connected with the grounding row 10 through the fixed wire after being connected with the grounding port of each surge protector 8, and the two ends of the fixed wire are connected with the collection row 9 and the grounding row 10 through screws.

[0044] In an alternative embodiment, the grounding row 10 is located close to the second side wall 4 in the cabinet 1.

[0045] The cabinet 1 has two opposite side end walls, an upper end wall and a lower end wall, and the cabinet 1 enclosed by the walls has two opposite openings matched with the first cabinet door and the second cabinet door, so as to facilitate the operator to operate the surge protector 8 and the grounding cable related to the lightning protection function after opening the second cabinet door, the grounding row 10 in the present scheme is close to one of the side end walls of the cabinet 1, and there is a gap between the mounting plate 2 and the inner wall surface of the two side end walls, so as to avoid the grounding row 10 between the second cabinet door and the mounting plate 2, especially between the second cabinet door and the plate surface area of the mounting plate 2 where the surge protector 8 is arranged, thereby reducing the influence of the grounding row 10 on the operator in the cabinet 1. Embodiment

[0046] The surge protector 8 includes a switch piece 21 and a processing module 20 for controlling the switch piece 21 according to the state of the surge protector 8, the switch pieces 21 of the plurality of surge protectors 8 are connected in series in the signal circuit 15, and the signal circuit 15 includes a power supply 17 and an indicating piece 16.

[0047] The surge protector 8 includes a base and a module head which are inserted and matched, the base is provided with a port which can be inserted with the grounding cable, and the lightning protection element 19 and the thermal trip assembly 18 in the module head can be inserted into the base with the module head, so that the lightning protection element 19 is connected between the protected target circuit and the grounding net.

[0048] The corresponding circuit structure is arranged in the base or the module head, which can convert the thermal tripping action signal, such as displacement, and the lightning action signal, such as temperature change, into an electric signal, and convert the electric signal into a digital signal through the processing module 20 and output, so as to realize the external monitoring of the state of the surge protector 8. Since the surge protector 8 in the present scheme corresponds to the branch terminal 5, the number is large, in order to avoid the state monitoring of a large number of surge protectors 8 requiring a large number of signal cables, the processing module 20 in the present scheme can control the opening and closing operation of the switch 21 in the surge protector 8, and the plurality of surge protectors 8 in the lightning branch cabinet are connected in series in the signal circuit 15, so that the switch 21 in the surge protector 8 is connected in the signal circuit 15, and therefore there are a plurality of switches 21 connected in series on the signal circuit 15. When a single surge protector 8 is in a normal state, that is, no thermal tripping action and lightning action occur, the switch 21 remains in a closed state, and when a single surge protector 8 is in an abnormal state, that is, thermal tripping action or lightning action occurs, the processing module 20 controls the switch 21 to be in an open state. The switch 21 is, for example, an electromagnetic release, and the signal circuit 15 is powered by the external power supply 17. When all the surge protectors 8 connected in the signal circuit 15 in the lightning branch cabinet are in a normal state, the switches 21 on the signal circuit 15 are in a closed state, and therefore the indicating element 16, such as an indicator light, on the signal circuit 15 remains in a constant state. When any of the surge protectors 8 connected in the signal circuit 15 in the lightning branch cabinet occurs thermal tripping action or lightning action, the switch 21 of the surge protector 8 is opened, and the signal circuit 15 has an open switch 21, so the signal circuit 15 is disconnected, and the indicating element 16, such as an indicator light, on the signal circuit 15 is extinguished. The external can obtain the overall state of the surge protector 8 in the lightning branch cabinet through the state of the indicator light. Embodiment

[0049] The lightning protection branch cabinet includes a plurality of setting areas, each of which includes a plurality of branch terminals 5 and surge protectors 8, thereby forming a relatively independent lightning protection branch module. Each lightning protection branch module corresponds to a signal circuit 15, that is, a plurality of surge protectors 8 of each lightning protection branch module are connected in series in the corresponding signal circuit 15, so that the switches 21 in these surge protectors 8 are connected in the signal circuit 15, and therefore there are a plurality of switches 21 connected in series on the signal circuit 15.

[0050] In each lightning protection branch module, when all surge protectors 8 in the signal circuit 15 are in normal state, the switch pieces 21 on the signal circuit 15 are in closed state, so the indicating pieces 16, such as indicator lights, on the signal circuit 15 remain constant state; when any surge protector 8 in the signal circuit 15 has thermal trip action or lightning action, the switch piece 21 of the surge protector 8 is opened, so the signal circuit 15 is disconnected.

[0051] Each signal circuit 15 is provided with an indicating piece 16, when any signal circuit 15 is disconnected, the corresponding indicating piece 16, such as indicator light, of the signal circuit 15 is extinguished. The lightning protection branch cabinet is provided with an area for centralized management of the above indicating pieces 16, or the upper computer of the lightning protection branch cabinet is provided with an area for centralized management of the above indicating pieces 16, a plurality of indicating pieces 16 are arranged according to position or text number to indicate the corresponding setting area, and the external can obtain the overall state of the surge protector 8 in each setting area of the lightning protection branch cabinet through the state of the indicating piece 16, and through a plurality of indicating pieces 16 corresponding to a plurality of setting areas, the accuracy of the indicating piece 16 to display the state of the surge protector 8 is improved, and it is convenient for the operator to replace the surge protector 8 in a specific setting area according to the indicating piece 16, and the number of surge protectors 8 that need to be checked is reduced.

[0052] It should be noted that any of the above embodiments is illustrative of the present application rather than limiting the present application, and a person skilled in the art can design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference symbol located between parentheses should not be construed as a limitation of the claims. The word "comprising" does not exclude the presence of elements or steps not listed in the claims. The word "a" or "an" preceding an element does not exclude the presence of multiple such elements. The present application can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In a unit claim enumerating several means, several of these means can be embodied by one and the same item of hardware. The use of the words first, second and the like does not imply any order. These words can be understood as names.

[0053] The above embodiments are only suitable for illustrating the present application, but not limiting the present application, and a person skilled in the related art can make various changes and modifications without departing from the spirit and scope of the present application, therefore all equivalent technical solutions also belong to the scope of the present application, and the patent protection scope of the present application should be defined by the claims.

Claims

1. A lightning protection distribution cabinet, characterized in that, The device includes a cabinet (1) and a mounting plate (2) located inside the cabinet (1). The mounting plate (2) includes a first side wall (3) and a second side wall (4) arranged opposite to each other. The first side wall (3) is provided with a plurality of branch terminals (5). The second side wall (4) is provided with a plurality of surge protectors (8) corresponding to the branch terminals (5). The mounting plate (2) has a plurality of connecting holes (6) corresponding to the branch terminals (5). The outlet of the branch terminal (5) is coupled to the surge protector (8) through a lightning protection cable passing through the connecting hole (6).

2. The lightning protection distribution cabinet according to claim 1, characterized in that, The mounting plate (2) has multiple regularly arranged setting areas, and each setting area is provided with multiple branch terminals (5) and surge protectors (8).

3. The lightning protection distribution cabinet according to claim 2, characterized in that, Multiple setting areas are arranged along a first direction (a), and multiple branch terminals (5) in each setting area are arranged regularly on the first side wall (3) in a direction perpendicular to the first direction (a). Multiple surge protectors (8) in each setting area are arranged regularly on the second side wall (4) in a direction perpendicular to the first direction (a). Along the first direction (a), two wire groove structures (7) are spaced apart on the first side wall (3) of each setting area. The branch terminal (5) is located between the two wire groove structures (7), and the connecting hole (6) is located between the outlet and one of the wire groove structures (7).

4. The lightning protection distribution cabinet according to claim 1, characterized in that, A sealing ring is provided inside the connecting hole (6).

5. The lightning protection distribution cabinet according to claim 1, characterized in that, The cabinet (1) has a first cabinet door and a second cabinet door arranged opposite to each other, the first cabinet door facing the first side wall (3) and the second cabinet door facing the second side wall (4).

6. The lightning protection distribution cabinet according to claim 3, characterized in that, The cable tray structure (7) includes a tray wall (13) for enclosing and forming a cable routing channel (12), and a plurality of cable insertion holes (14) are spaced apart on the tray wall (13) near the cable outlet.

7. The lightning protection distribution cabinet according to claim 6, characterized in that, Multiple wire-passing holes (14) are provided at intervals on the groove wall (13) near the wire inlet of the branch terminal (5).

8. The lightning protection distribution cabinet according to claim 3, characterized in that, The cabinet (1) is also provided with a grounding bar (10) and a plurality of collection bars (9). The grounding bar (10) extends along the first direction (a). The collection bars (9) correspond one-to-one with the setting area. One end of the collection bar (9) forms a first connection end (11), and the other end forms a plurality of second connection ends. The second connection ends are connected one-to-one with the surge protectors (8) in the corresponding setting area. The first connection end (11) is connected to the grounding bar (10).

9. The lightning protection distribution cabinet according to claim 8, characterized in that, The grounding bar (10) is located inside the cabinet (1) near the second side wall (4).

10. The lightning protection distribution cabinet according to any one of claims 1-9, characterized in that, The surge protector (8) includes a switch (21) and a processing module (20) for controlling the switch (21) according to the state of the surge protector (8). The switches (21) of multiple surge protectors (8) are connected in series to a signal circuit (15). The signal circuit (15) includes a power supply (17) and an indicator (16).

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