Portable external volume expansion box based on power distribution JP cabinet

Abstract

The invention provides a portable external volume expansion box based on a power distribution JP cabinet, and relates to the field of power distribution JP cabinets. Comprising a main expansion box, a first through groove is formed in the front side of the main expansion box, a main box door is installed on the inner side of the first through groove, the left side and the right side of the main expansion box are communicated, and two auxiliary expansion boxes are symmetrically installed in the main expansion box; the capacity of an original power distribution JP cabinet is expanded through the main expansion box in an external expansion mode, the problem that the capacity of the original power distribution JP cabinet is insufficient is effectively solved, meanwhile, the expanded capacity can be further increased through the arranged auxiliary expansion box, meanwhile, the auxiliary expansion box can be contained in the main expansion box, and therefore the capacity of the power distribution JP cabinet is improved. The auxiliary expansion box can be stored in the main expansion box when excessive expansion space is not needed, the occupied space is reduced, the space is increased in time when the auxiliary expansion box needs to be used in the future, on the other hand, the size of the auxiliary expansion box stored in the main expansion box is small, transportation is facilitated, and the portability is improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of distribution JP cabinets, and more particularly to a portable external volume expansion box based on a distribution JP cabinet. Background Art

[0002] The JP integrated distribution box is a new type of integrated control box that integrates power distribution, metering, protection, control, and reactive power compensation.

[0003] The existing JP integrated distribution cabinets have the following problems during use:

[0004] 1. The internal volume of the existing JP cabinets is limited, making it difficult to add one or more additional groups of switches.

[0005] 2. The installation method of the existing JP cabinets is too simple and not suitable for various types of on-site situations.

[0006] The copper bars of the existing JP cabinets are only set for switches of a single brand. Even if the original brand is replaced when the switch fails, and even for switches of the same brand, there will be slight changes in the size after upgrading, resulting in difficulties in replacement. If replacing between switches of different brands, due to greater differences in size changes, the replacement difficulty will be further increased.

[0007] In summary, the present invention provides a portable external volume expansion box based on a distribution JP cabinet to solve the above problems. Summary of the Invention

[0008] In order to solve the above technical problems, the present invention provides a portable external volume expansion box based on a distribution JP cabinet, which is achieved by the following specific technical means:

[0009] A portable external volume expansion box based on a distribution JP cabinet includes a main expansion box. A first through groove is provided on the front side of the main expansion box, and a main box door is installed inside the first through groove. The left and right sides of the main expansion box are both through. Two sub-expansion boxes are symmetrically installed inside the main expansion box. A second through groove is provided on the front side of the sub-expansion box. The two sides of the sub-expansion boxes away from each other respectively pass through the left and right sides of the main expansion box, and a limiting sealing plate is provided on the passing-through side. Limiting guide grooves are provided on the top and bottom sides of the inner wall of the sub-expansion box near the limiting sealing plate. On the inner wall of the front side of the main expansion box, two pairs of hinge seats are respectively provided on both sides of the first through groove, and two sub-box frames are respectively hinged through the two pairs of hinge seats. The sub-box frames penetrate into the sub-expansion boxes, and limiting pins are provided on the top and bottom of the penetrating side. The limiting pins on the top and bottom of the sub-box frames respectively penetrate into the limiting guide grooves on the top and bottom of the sub-expansion boxes.

[0010] Further, a baffle is fixedly connected to the inner wall at the rear side of the main expansion box, and adjustable busbars are provided on the inner wall at the rear side of the sub-expansion box and on the baffle.

[0011] Further, the adjustable busbar includes a fixed frame, a cross bar, and a vertical bar. Transverse adjustment grooves are provided at the top and bottom of the fixed frame, and vertical adjustment grooves are provided on the left and right sides of the fixed frame. Screws are installed through both ends of the cross bar and both ends of the vertical bar. The screws at both ends of the cross bar and the screws at both ends of the vertical bar respectively pass through the inside of the transverse adjustment groove and the vertical adjustment groove, and the passing ends are threadedly connected with nuts.

[0012] The connection between the fixed frame in the sub-expansion box and the sub-expansion box, and the connection between the fixed frame in the main expansion box and the baffle are both detachable.

[0013] Further, a limit groove is provided on the inner wall on the side away from the limit sealing plate at one end of the limit guide groove close to the front side of the sub-expansion box, and the side of the limit groove away from the inner wall of the front side of the sub-expansion box is inclined.

[0014] Further, limit posts are provided on the inner walls at the top and bottom sides of the sub-expansion box at positions away from the limit sealing plate and close to the inner wall of the front side of the sub-expansion box. The sub-box frame is located between the limit posts and the inner wall of the front side of the sub-expansion box. Triangular blocks are provided at the top and bottom of the side of the sub-box frame facing the limit posts at positions close to the hinge seat, and the positions of the triangular blocks correspond to those of the limit posts.

[0015] Further, two limit holes are symmetrically provided at the bottom of the front side of the main expansion box, and two spring pins are symmetrically provided at the bottom of the front side of the sub-expansion box, and the sizes of the spring pins and the limit holes are equal.

[0016] Further, a hoisting hanging point and a base mounting hanging point are respectively provided at the top and bottom of the limit sealing plate, and a wall rod mounting combination hanging point is provided in the middle at the rear side of the limit sealing plate.

[0017] Further, a main box door is installed inside the first through groove, and a sub-box door is installed inside the sub-box frame.

[0018] Further, inlet holes are provided at the bottom sides of the main expansion box and the sub-expansion box.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The present invention expands the volume of the original distribution JP cabinet through an external expansion method, using a main expansion box to effectively solve the problem of insufficient capacity of the original distribution JP, and it has strong versatility and convenient expansion. At the same time, by setting a secondary expansion box, the expanded volume can be further increased. The secondary expansion box can be retracted into the main expansion box, reducing space occupancy when not requiring excessive expansion space and increasing the space in a timely manner when needed in the future. On the other hand, after the secondary expansion box is retracted into the main expansion box, its size is smaller, which is more conducive to transportation and improves the portability performance.

[0021] 2. The present invention has a combination of multiple hanging points, namely lifting hanging points, base-mounted hanging points, and wall-mounted combined hanging points, which has good adaptability to the changing on-site environment.

[0022] 3. The present invention is provided with adjustable busbars. When the switches installed in the main expansion box and the secondary expansion box fail and need to be replaced, the longitudinal distance between each crossbar can be adjusted vertically up and down in the vertical adjustment groove, and the horizontal distance between each vertical bar can be adjusted horizontally in the horizontal adjustment groove. The positions of the crossbars and vertical bars are locked by screws and nuts, so as to timely adjust the differences between different brands of switches or after brand upgrades, effectively solving the problem that existing distribution JP cabinets cannot be universal for various brands of switches. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a three-dimensional schematic diagram of the present invention when retracted;

[0024] Figure 2 is a three-dimensional schematic diagram of the present invention when expanded;

[0025] Figure 3 is a three-dimensional schematic diagram of the main expansion box and the secondary box frame in the present invention;

[0026] Figure 4 is a three-dimensional schematic diagram of the secondary expansion box in the present invention;

[0027] Figure 5 is a front cross-sectional schematic diagram of the present invention;

[0028] Figure 6 is a three-dimensional schematic diagram of the adjustable busbar in the present invention;

[0029] Figure 7 is the present invention Figure 5 a partial enlarged schematic diagram at position A;

[0030] Figure 8 is the present invention Figure 5 a partial enlarged schematic diagram at position B.

[0031] In the figure:

[0032] 1. Main expansion box; 101. First through slot; 102. Hinge seat; 103. Baffle; 104. Limit hole; 105. Main box door

[0033] 2. Sub - expansion box; 201. Limit guide groove; 202. Second through slot; 203. Limit groove; 204. Limit post; 205. Spring pin; 206. Sub - box door

[0034] 3. Limit sealing plate; 301. Lifting hanging point; 302. Base - mounting hanging point; 303. Wall - pole - mounting combined hanging point

[0035] 4. Sub - box frame; 401. Limit pin; 402. Triangular block

[0036] 5. Adjustable busbar; 501. Fixed frame; 502. Cross bar; 503. Vertical bar; 504. Horizontal adjustment slot; 505. Vertical adjustment slot; 506. Screw; 507. Nut

[0037] 6. Inlet hole Specific implementation mode

[0038] The following further describes the implementation mode of the present invention in detail with reference to the drawings and embodiments. The following embodiments are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0039] Embodiment 1

[0040] As shown in Figures 1-4 , the present invention provides a portable external volume expansion box based on a distribution JP cabinet, including a main expansion box 1. A first through slot 101 is arranged on the front side of the main expansion box 1, and a main box door 105 is installed inside the first through slot 101. Both the left and right sides of the main expansion box 1 are penetrated. Two sub - expansion boxes 2 are symmetrically installed inside the main expansion box 1. A second through slot 202 is opened on the front side of the sub - expansion box 2. The two sub - expansion boxes 2 penetrate out from the left and right sides of the main expansion box 1 respectively, and a limit sealing plate 3 is arranged on the penetrated side. Limit guide grooves 201 are arranged on the top and bottom sides of the inner wall of the sub - expansion box 2 near the limit sealing plate 3. On the inner wall of the front side of the main expansion box 1, two pairs of hinge seats 102 are arranged on both sides of the first through slot 101, and two sub - box frames 4 are respectively hinged through the two pairs of hinge seats 102. The sub - box frames 4 penetrate into the sub - expansion boxes 2, and limit pins 401 are arranged on the top and bottom of the penetrated side. The limit pins 401 on the top and bottom of the sub - box frames 4 respectively penetrate into the limit guide grooves 201 on the top and bottom of the sub - expansion boxes 2.

[0041] Among them, a lifting hanging point 301 and a base - mounting hanging point 302 are respectively arranged on the top and bottom of the limit sealing plate 3, and a wall - pole - mounting combined hanging point 303 is arranged in the middle of the rear side of the limit sealing plate 3.

[0042] Among them, a main cabinet door 105 is installed inside the first through groove 101, and a secondary cabinet door 206 is installed inside the secondary cabinet frame 4.

[0043] Among them, inlet holes 6 are provided on the bottom sides of both the main extension cabinet 1 and the secondary extension cabinet 2.

[0044] When the original distribution JP cabinet needs to be expanded, it can be installed on the top, bottom or both sides of the original distribution JP cabinet through the hoisting hanging point 301, the base-mounted hanging point 302 or the wall-mounted combined hanging point 303. Due to the combination of multiple hanging points, it has good adaptability to the changing on-site environment.

[0045] The volume of the original distribution JP cabinet is expanded through the main extension cabinet 1, so that when adding switches, there is no need to rearrange the internal layout of the original distribution JP cabinet, and at the same time, the number of installable switches can be effectively increased.

[0046] Through the provided secondary extension cabinet 2, when the volume in the main extension cabinet 1 is insufficient, the secondary extension cabinet 2 can be pulled out from both sides of the main extension cabinet 1. During the pulling process, since one side of the secondary cabinet frame 4 is hinged to the front inner wall of the main extension cabinet 1, this side remains at the front inner wall of the secondary extension cabinet 2, and the other side moves from the rear side of the secondary extension cabinet 2 to the front side of the secondary extension cabinet 2 in the limit guide groove 201 as the secondary extension cabinet 2 is pulled out until the secondary cabinet frame 4 and the secondary cabinet door 206 close the second through groove 202 opened on the secondary extension cabinet 2. At this time, switches can be added inside the secondary extension cabinet 2, further increasing the space and further increasing the number of installable switches.

[0047] It should be noted that when the secondary extension cabinet 2 is not pulled out, the inlet opening provided at the bottom of the secondary extension cabinet 2 will coincide with the inlet opening provided at the bottom of the main extension cabinet 1, so as to facilitate threading the wire harness into the main extension cabinet 1 from the inside of the inlet openings at the bottoms of the main extension cabinet 1 and the secondary extension cabinet 2 in sequence and connecting it to the switches inside the main extension cabinet 1 when the secondary extension cabinet 2 is not pulled out; a rubber strip is provided on the side of the limit sealing plate 3 facing the main extension cabinet 1 on the outside of the secondary extension cabinet 2 to form a seal with the left and right sides of the main extension cabinet 1 to prevent rainwater from entering when the secondary extension cabinet 2 is not pulled out, and a rubber strip is also provided on the side of the secondary cabinet frame 4 facing the front side of the secondary extension cabinet 2 to seal the main extension cabinet 1 and the secondary extension cabinet 2 after the secondary extension cabinet 2 is opened.

[0048] Embodiment 2

[0049] Among them, a limit groove 203 is provided on the inner wall of the limit guide groove 201 at one end close to the front side of the secondary extension cabinet 2 and on the side away from the limit sealing plate 3, and the side of the limit groove 203 away from the front inner wall of the secondary extension cabinet 2 is inclined.

[0050] Wherein, limiting posts 204 are arranged on the inner walls of the top side and the bottom side of the secondary expansion box 2 at positions far from the limiting sealing plate 3 and close to the inner wall of the front side of the secondary expansion box 2. The secondary box frame 4 is located between the limiting posts 204 and the inner wall of the front side of the secondary expansion box 2. Triangular blocks 402 are arranged at the top and the bottom of the side of the secondary box frame 4 facing the limiting posts 204 at positions close to the hinge seat 102, and the positions of the triangular blocks 402 correspond to those of the limiting posts 204.

[0051] Wherein, two limiting holes 104 are symmetrically arranged at the bottom of the front side of the main expansion box 1, and two spring pins 205 are symmetrically arranged at the bottom of the front side of the secondary expansion box 2, and the spring pins 205 and the limiting holes 104 have the same size.

[0052] As Figures 1-5 shown in FIGS. 6, 7 and 8, during the process of pulling out the secondary expansion box 2 from the inside of the main expansion box 1, the limiting pin 401 moves from the end close to the rear side of the secondary expansion box 2 in the limiting guide groove 201 to the end close to the front side of the secondary expansion box 2 in the limiting guide groove 201 until the limiting pin 401 moves to the opening position of the limiting groove 203. After that, during the process of pulling the secondary expansion box 2, the limiting pin 401 will move towards the inside of the limiting groove 203, and under the extrusion of the inclined surface of the limiting groove 203, the side of the secondary box frame 4 far from the hinge seat 102 is fully attached to the inner wall of the front side of the secondary expansion box 2. Similarly, when the limiting pin 401 enters the limiting groove 203, the limiting post 204 contacts the surface of the triangular block 402 at the same time. As the secondary box frame 4 is continuously pulled out, the limiting post 204 presses the inclined surface of the triangular block 402, which can make the side of the secondary box frame 4 close to the hinge seat 102 fully attached to the secondary expansion box 2, thereby effectively improving the sealing performance of the secondary box frame 4.

[0053] When the secondary expansion box 2 is not pulled out from the main expansion box 1, the spring pin 205 at the position on the secondary expansion box 2 far from the limiting sealing plate 3 corresponds to the limiting hole 104 on the main expansion box 1, and is used to limit the secondary expansion box 2 to keep it in the main expansion box 1. When the secondary expansion box 2 is completely pulled out, the spring pin 205 at the position on the secondary expansion box 2 close to the limiting sealing plate 3 corresponds to the position of the limiting hole 104, and is used to lock the position of the secondary expansion box 2 when the secondary expansion box 2 is pulled out. When it is necessary to release the locking of the spring pin 205 on the secondary expansion box 2, only need to press the spring pin 205 into the limiting hole 104, and then pull out and push in the secondary expansion box 2. A chamfer is arranged at the end of the spring pin 205. During the process of pulling out and pushing in the secondary expansion box 2, the front side of the main expansion box 1 presses the inclined surface of the chamfer of the spring pin 205, which can make the limiting hole 104 cross over the limiting pin 401.

[0054] Embodiment III

[0055] Wherein, a baffle 103 is fixedly connected to the inner wall of the rear side of the main expansion box 1, and adjustable busbars 5 are arranged on the inner wall of the rear side of the secondary expansion box 2 and on the baffle 103.

[0056] Among them, the adjustable busbar 5 includes a fixed frame 501, a cross bar 502 and a vertical bar 503. Transverse adjustment grooves 504 are formed at the top and bottom of the fixed frame 501, and vertical adjustment grooves 505 are formed on the left and right sides of the fixed frame 501. Screws 506 are installed through both ends of the cross bar 502 and both ends of the vertical bar 503. The screws 506 at both ends of the cross bar 502 and the screws 506 at both ends of the vertical bar 503 respectively pass through the inner sides of the transverse adjustment grooves 504 and the vertical adjustment grooves 505, and nuts 507 are threadedly connected to the passing ends;

[0057] The connection between the fixed frame 501 in the secondary expansion box 2 and the secondary expansion box 2, and the connection between the fixed frame 501 in the main expansion box 1 and the baffle 103 are both detachable connections.

[0058] Such as Figure 1 and 6 shown, by providing the adjustable busbar 5, when replacing switches of different brands or switches of the same brand with different sizes, the longitudinal spacing of each cross bar 502 can be adjusted vertically up and down in the vertical adjustment groove 505, and the horizontal spacing between each vertical bar 503 can be adjusted horizontally in the transverse adjustment groove 504, and the positions of the cross bar 502 and the vertical bar 503 are locked by the screws 506 and the nuts 507, which is convenient for timely adjustment of the differences existing between switches of different brands or after brand upgrade, and effectively solves the problem that the existing JP cabinets cannot be universal for switches of various brands.

[0059] The embodiments of the present invention are given for the purposes of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A portable external volume expansion box based on a power distribution JP cabinet, comprising a main expansion box (1), wherein a through slot 1 (101) is provided on the front side of the main expansion box (1), characterized in that: The left and right sides of the main expansion box (1) are both connected, and two auxiliary expansion boxes (2) are symmetrically installed inside the main expansion box (1). The front side of the auxiliary expansion box (2) is provided with a through slot 2 (202). The two sides of the auxiliary expansion boxes (2) that are far away from each other respectively pass through the left and right sides of the main expansion box (1), and a limit sealing plate (3) is provided on the side that passes through. The top and bottom sides of the inner wall of the auxiliary expansion box (2) are both provided with limit guide grooves (201) at positions close to the limit sealing plate (3). Two pairs of hinge seats (102) are respectively arranged on the inner wall of the front side of the main expansion box (1) on both sides of the through slot 1 (101), and two auxiliary box frames (4) are respectively hingedly connected through the two pairs of hinge seats (102), the auxiliary box frame (4) penetrates into the auxiliary expansion box (2), and limiting pins (401) are arranged on the top and bottom of one side of the penetration, and the limiting pins (401) on the top and bottom of the auxiliary box frame (4) respectively penetrate into the limiting guide grooves (201) on the top and bottom of the auxiliary expansion box (2).

2. The portable external volume expansion box based on the power distribution JP cabinet as claimed in claim 1, characterized in that: A baffle (103) is fixedly connected to the rear inner wall of the main expansion box (1), and an adjustable busbar (5) is provided on the rear inner wall of the secondary expansion box (2) and on the baffle (103).

3. The portable external volume expansion box based on the power distribution JP cabinet as claimed in claim 2 is characterized in that: The adjustable busbar (5) comprises a fixing frame (501), a cross bar (502) and a vertical bar (503); the top and bottom of the fixing frame (501) are provided with cross adjustment slots (504); the left and right sides of the fixing frame (501) are provided with vertical adjustment slots (505); both ends of the cross bar (502) and both ends of the vertical bar (503) are penetrated with screws (506); the screws (506) at both ends of the cross bar (502) and the screws (506) at both ends of the vertical bar (503) pass through the inner sides of the cross adjustment slot (504) and the inner sides of the vertical adjustment slot (505), respectively, and a nut (507) is threadedly connected to one end of the passed end; The fixing frame (501) in the secondary expansion box (2) and the secondary expansion box (2), and the fixing frame (501) in the primary expansion box (1) and the baffle (103) are all detachably connected.

4. The portable external volume expansion box based on the power distribution JP cabinet as claimed in claim 1, characterized in that: A limiting groove (203) is provided on the inner wall of the side away from the limiting sealing plate (3) at one end of the limiting guide groove (201) close to the front side of the secondary expansion box (2), the opening width of the limiting groove (203) gradually decreases from the outside to the inside, and the limiting groove (203) is inclinedly arranged on the side away from the inner wall of the front side of the secondary expansion box (2).

5. The portable external volume expansion box based on the power distribution JP cabinet as claimed in claim 1, characterized in that: Limiting columns (204) are arranged on the inner walls of the top and bottom sides of the auxiliary expansion box (2) at positions away from the limiting sealing plate (3) and close to the front inner wall of the auxiliary expansion box (2), and the auxiliary box frame (4) is located between the limiting columns (204) and the front inner wall of the auxiliary expansion box (2), and triangular blocks (402) are arranged on the top and bottom of the auxiliary box frame (4) facing the limiting columns (204) at positions close to the hinge seat (102), and the triangular blocks (402) correspond to the positions of the limiting columns (204).

6. The portable external volume expansion box based on the power distribution JP cabinet as claimed in claim 1, characterized in that: Two limiting holes (104) are symmetrically arranged at the bottom of the front side of the main expansion box (1), and two spring pins (205) are symmetrically arranged at the bottom of the front side of the auxiliary expansion box (2), and the size of the spring pins (205) is equal to that of the limiting holes (104).

7. The portable external volume expansion box based on the power distribution JP cabinet as claimed in claim 1, characterized in that: The top and bottom of the position-limiting sealing plate (3) are respectively provided with a hoisting hanging point (301) and a seat-mounted hanging point (302), and the middle part of the rear side of the position-limiting sealing plate (3) is provided with a wall rod-mounted combined hanging point (303).

8. The portable external volume expansion box based on the power distribution JP cabinet as claimed in claim 1, characterized in that: A main box door (105) is installed on the inner side of the through slot 1 (101), and a secondary box door (206) is installed on the inner side of the secondary box frame (4).

9. The portable external volume expansion box based on the power distribution JP cabinet as claimed in claim 1, characterized in that: The bottom sides of the main expansion box (1) and the auxiliary expansion box (2) are both provided with wire entry holes (6).

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