High-voltage wire inlet cabinet with self-locking function

By introducing a self-locking design with limit slots, limit posts, and baffles into the high-voltage incoming line cabinet, the problems of inconvenient disassembly and assembly of circuit breaker trolleys and the risk of accidental contact are solved, enabling rapid disassembly and assembly and safe operation.

CN223815918UActive Publication Date: 2026-01-20SICHUAN WANHE HENGSHENG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520348240.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-01-20
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

The existing high-voltage incoming line switchboard circuit breaker trolley is difficult to disassemble and assemble, and the exposed wiring ports when disconnected can easily lead to the risk of accidental contact.

Method used

A high-voltage incoming line cabinet with self-locking function was designed. Through the cooperation of limit groove, limit post and baffle, the circuit breaker trolley can be quickly disassembled and assembled, and the baffle can be automatically opened and closed when the trolley is moved to avoid accidental contact.

Benefits of technology

It enables quick assembly and disassembly of circuit breaker trolleys and avoids accidental activation, improving operational safety and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-voltage inlet wire cabinet with a self-locking function, which comprises an inlet wire cabinet body and a connecting mechanism, the inlet wire cabinet body is characterized in that the upper end and the lower end of the front side of the inlet wire cabinet body are provided with cabinet doors, the rear side of the upper end in the inlet wire cabinet body is provided with a mounting plate, and the middle part in the inlet wire cabinet body is slidably connected with a base; the connecting mechanism comprises a handcart, sliding columns, baffles, limiting columns, limiting grooves and a fixing assembly, the handcart is slidably connected to the upper end of the base, the sliding columns are arranged on the left side and the right side of the front end of the mounting plate respectively, the baffles are slidably connected between the two sliding columns, and the limiting grooves are formed in the left side and the right side of the handcart respectively; according to the high-voltage incoming line cabinet with the self-locking function, the connecting mechanism is arranged, the circuit breaker handcart can be rapidly disassembled and assembled, when the handcart shifts, the baffle can be opened and closed along with movement of the handcart, and the situation of mistaken touch can be effectively avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to high -tension incoming line cabinet technical field, concretely is a kind of high -tension incoming line cabinet with self-locking function. BACKGROUND

[0002] High -tension incoming line cabinet It is an important equipment in power system, mainly for distribution and protection high -voltage electric energy, high -tension incoming line cabinet It has played a very important role in power system. Whether from electric energy receiving, control or distribution, high -tension incoming line cabinet It is one of the core equipment of power system, and it has irreplaceable role for guaranteeing the stable operation and reliable power supply of power system, the existing high -tension incoming line cabinet More by incoming line frame, circuit breaker handcart, outgoing line frame and voltage transformer are formed, when using, circuit breaker handcart moves back, connects incoming line frame and outgoing line frame, high -voltage electricity enters through incoming line frame, voltage transformer measures electric energy consumption, then after the distribution of outgoing line frame enters subsequent transformation link, realizes high -voltage incoming line, the traditional high -tension incoming line cabinet passes through bolt fixed circuit breaker handcart, and the disassembly of circuit breaker handcart is more troublesome, when circuit breaker handcart is in disconnected state, the wiring port of incoming line frame and outgoing line frame is exposed, and the risk of accidental touch can easily occur, for this purpose, a kind of high -tension incoming line cabinet with self-locking function is provided. CONTENT OF UTILITY MODEL

[0003] The utility model solves the technical problem to overcome the existing defects, provide a kind of high -tension incoming line cabinet with self-locking function, is equipped with connecting mechanism, can quickly disassemble circuit breaker handcart, when handcart displacement occurs, baffle can be opened and closed with the movement of handcart, can effectively avoid the occurrence of accidental touch, can effectively solve the problems in background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of high -tension incoming line cabinet with self-locking function, including incoming line cabinet body and connecting mechanism;

[0005] Incoming line cabinet body: the upper and lower ends of its front side are each provided with a cabinet door, the rear side of the upper end of the interior of incoming line cabinet body is provided with a mounting plate, the middle part of the interior of incoming line cabinet body is slidably connected with a base;

[0006] Connecting mechanism: it includes handcart, slide column, baffle, limiting column, limiting slot and fixed assembly, the upper end of handcart is slidably connected to the base, slide column is respectively arranged on the left and right sides of the front end of mounting plate, baffle is slidably connected between the two slide columns, limiting slot is respectively formed on the left and right sides of handcart, limiting column is respectively arranged on the front end of the left and right side walls of baffle, limiting column is all installed in cooperation with the limiting slot adjacent in longitudinal direction, fixed assembly is all arranged on the front end of the interior of base, is equipped with connecting mechanism, can quickly disassemble circuit breaker handcart, when handcart displacement occurs, baffle can be opened and closed with the movement of handcart, can effectively avoid the occurrence of accidental touch.

[0007] Further, the fixing assembly comprises mounting grooves, inserting columns, springs and sockets, the mounting grooves are respectively formed on the upper ends of the front sides of the bases, the inserting columns are all slidingly connected to the interiors of the mounting grooves, the middle portions of the inserting columns are all provided with the springs one between the inner walls of the vertically adjacent mounting grooves, the springs one are all sleeved on the outer surfaces of the inserting columns, the sockets are respectively formed in the middle portions of the left and right side walls of the incoming line cabinet body, and the outer end of the inserting column is all inserted with the inner wall of the vertically adjacent socket, so that the foundation for the quick dismounting work is provided.

[0008] Further, the connecting mechanism further comprises a lead screw and a connecting head, the lead screw is rotationally connected to the inner wall of the base, the outer surface of the lead screw is threadedly connected to the middle portion of the interior of the handcart, the connecting head is arranged on the front end of the lead screw, and the front end of the connecting head is provided with a notch, so that the foundation for the front and back movement of the handcart is provided.

[0009] Further, the connecting mechanism further comprises springs two, the springs two are arranged between the inner wall of the mounting plate and the side away from the middle portion of the sliding column of the baffle, and the springs two are all sleeved on the outer surface of the sliding column, so that the foundation for the opening and closing of the baffle is provided.

[0010] Further, the utility model further comprises an incoming line frame, a circuit breaker and an outgoing line frame, the incoming line frame is arranged on the inner upper end rear side of the incoming line cabinet body, the circuit breaker is arranged on the inner rear side of the handcart, and the outgoing line frame is arranged on the inner lower end rear side of the cabinet body, the input end of the circuit breaker is electrically connected with the output end of the singlechip, and the incoming line frame, the circuit breaker and the outgoing line frame are installed in cooperation, so that the foundation for the on-off and distribution of the circuit is provided.

[0011] Further, the utility model further comprises a voltage transformer, the voltage transformer is arranged on the inner lower end front side of the cabinet body, the voltage transformer is bidirectionally electrically connected with the singlechip, and the voltage transformer is connected with the incoming line frame in parallel, so that the foundation for the metering of the electric energy consumption is provided.

[0012] Further, the utility model further comprises a singlechip, the singlechip is arranged on the front end middle portion of the upper cabinet door, and the input end of the singlechip is electrically connected with the external power supply, so that the control effect for the on-off of the circuit and the metering of the electric energy consumption is provided.

[0013] Compared with the prior art, the utility model has the advantages that the high-voltage incoming line cabinet with the self-locking function has the following advantages:

[0014] 1. The limiting groove extrusion limiting column can drive the baffle to move, the baffle moves inward when the handcart moves forward, a closed state is formed, the baffle moves outward when the handcart moves backward, an open state is formed, and the baffle can be opened and closed along with the movement of the handcart, so that the occurrence of the mistaken touch condition can be effectively avoided.

[0015] 2, by the incoming line cabinet body extrusion plug post outside end inclined surface makes the plug post movement, thereby quickly into the socket inside the base, by moving the plug post can be quickly inside the plug post outside end away from the socket, thereby quickly release the base, and then realize the circuit breaker hand car quick disassembly and assembly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic view of the utility model;

[0017] Figure 2 It is the section structure schematic view of the utility model connecting mechanism;

[0018] Figure 3 It is the section structure schematic view of the utility model fixed assembly;

[0019] Figure 4 It is the structure schematic view of the utility model connecting mechanism.

[0020] In the drawing: 1 incoming line cabinet body, 2 cabinet door, 3 mounting plate, 4 connecting mechanism, 41 hand car, 42 slide column, 43 baffle, 44 limit post, 45 limit slot, 46 fixed assembly, 461 installation slot, 462 plug post, 463 spring one, 464 socket, 47 screw rod, 48 connecting head, 49 spring two, 5 base, 6 incoming line frame, 7 circuit breaker, 8 outgoing line frame, 9 voltage transformer, 10 single-chip microcomputer. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The embodiment provides a kind of technical scheme: a high voltage incoming line cabinet with self-locking function, including incoming line cabinet body 1 and connecting mechanism 4;

[0023] The front side of the incoming line cabinet body 1 is provided with cabinet doors 2 at the upper and lower ends, the cabinet doors 2 can be installed on the cabinet door openings at the upper and lower ends of the front side of the incoming line cabinet body 1 through external bolts, or the cabinet doors 2 can be hinged to the cabinet door openings at the upper and lower ends of the front side of the incoming line cabinet body 1, an avoiding opening is formed in the lower end of the cabinet door 2, the inside upper end of the incoming line cabinet body 1 is provided with a mounting plate 3, the inside middle part of the incoming line cabinet body 1 is slidably connected with a base 5, further comprising an incoming line rack 6, a circuit breaker 7 and an outgoing line rack 8, the incoming line rack 6 is arranged at the inside upper end of the incoming line cabinet body 1, the circuit breaker 7 is arranged at the inside rear side of the handcart 41, the outgoing line rack 8 is arranged at the inside lower end of the cabinet body 1, the input end of the circuit breaker 7 is electrically connected with the output end of the single-chip microcomputer 10, the incoming line rack 6, the circuit breaker 7 and the outgoing line rack 8 are cooperatively installed, which provides a basis for the on-off and distribution of the circuit, further comprising a voltage transformer 9, the voltage transformer 9 is arranged at the inside lower end of the cabinet body 1, the voltage transformer 9 is bidirectionally electrically connected with the single-chip microcomputer 10, the voltage transformer 9 is connected in parallel with the incoming line rack 6, which provides a basis for the measurement of the electric energy consumption, further comprising a single-chip microcomputer 10, the single-chip microcomputer 10 is arranged at the front end of the upper cabinet door 2, the input end of the single-chip microcomputer 10 is electrically connected with an external power supply, which provides a control effect for the on-off of the circuit and the measurement of the electric energy consumption;

[0024] Connection mechanism 4 includes a handcart 41, sliding columns 42, baffles 43, limiting columns 44, limiting grooves 45, and fixing components 46. The handcart 41 is slidably connected to the upper end of the base 5. The base 5, handcart 41, and circuit breaker 7 together form a circuit breaker handcart. The sliding columns 42 are respectively located on the left and right sides of the front end of the mounting plate 3. Baffles 43 are slidably connected between the two sliding columns 42. The baffles 43 are U-shaped plates with an insulating coating on their surface. Limiting grooves 45 are respectively opened on the left and right sides of the handcart 41. The limiting grooves 45 are grooves that slope outwards from the front. The limiting columns 44 are respectively set... At the front end of the left and right side walls of the baffle 43, the limiting posts 44 are all installed in conjunction with the longitudinally adjacent limiting grooves 45. The outer surfaces of the limiting posts 44 are slidably connected to the inner walls of the longitudinally adjacent limiting grooves 45. The fixing components 46 are all located at the front end of the base 5. The fixing components 46 include mounting grooves 461, inserts 462, springs 463, and sockets 464. The mounting grooves 461 are respectively opened at the upper front end of the base 5. The inserts 462 are all slidably connected to the inside of the mounting grooves 461. The rear side of the outer end of each insert 462 is provided with a slope. The middle part of the insert 462 is connected to the vertically adjacent mounting groove 461. Springs 463 are installed between the inner walls, and springs 463 are sleeved on the outer surface of the plug 462. Sockets 464 are respectively opened at the front end of the middle of the left and right side walls of the cable entry cabinet 1. The outer ends of the plugs 462 are inserted into the inner walls of the vertically adjacent sockets 464, providing a basis for quick assembly and disassembly. The connecting mechanism 4 also includes a lead screw 47 and a connector 48. The lead screw 47 is rotatably connected to the middle of the inner wall of the base 5. The outer surface of the lead screw 47 is threaded to the middle of the lower end of the handcart 41. The connector 48 is located at the front end of the lead screw 47, and a notch is provided at the front end of the connector 48. Inside the clearance opening, the recess is hexagonal, providing a basis for the forward and backward movement of the handcart 41. The connecting mechanism 4 also includes a second spring 49. The side of the baffle 43 away from the middle of the sliding column 42 is provided with a second spring 49 between it and the inner wall of the mounting plate 3. The second spring 49 is sleeved on the outer surface of the sliding column 42. The middle of the outer surface of the sliding column 42 is provided with a limiting protrusion, providing a basis for the opening and closing of the baffle 43. With the connecting mechanism 4, the circuit breaker handcart can be quickly disassembled and assembled. When the handcart 41 is displaced, the baffle 43 can open and close with the movement of the handcart 41, which can effectively prevent accidental contact.

[0025] The working principle of the high-voltage incoming line cabinet with the self-locking function is as follows: when the high-voltage incoming line cabinet is used, the incoming line frame 6, the circuit breaker 7 and the outgoing line frame 8 are connected first, the base 5 is placed in the middle of the inside of the cabinet body 1, the base 5 is pushed backward, with the backward movement of the base 5, the insertion column 462 contacts the incoming line cabinet body 1, the left and right side walls of the incoming line cabinet body 1 extrude the inclined surface at the rear side of the insertion column 462, the insertion column 462 is forced to move inward, the spring one 463 is contracted under stress, when the insertion column 462 moves to the position of the insertion opening 464, the outer end of the insertion column 462 is not stressed, the spring one 463 rebounds to drive the outer end of the insertion column 462 to be inserted into the inside of the insertion opening 464, the fixing effect of the base 5 is formed, the circuit breaker trolley is quickly fixed, at this time, the trolley 41 is located at the front side of the inside of the incoming line cabinet body 1, the baffle 43 is located in front of the corresponding wire connection port through the elastic deformation of the spring two 49 and the limiting of the limiting protrusion, and is in the automatic closing state, the external crank is inserted into the notch, the external crank is rotated, the lead screw 47 is also rotated, the trolley 41 is driven to move backward, with the movement of the trolley 41, the limiting column 44 enters the inside of the corresponding limiting groove 45, with the continuous backward movement of the trolley 41, the limiting groove 45 extrudes the limiting column 44, so that the limiting column 44 moves to the side away from the middle of the sliding column 42, the baffle 43 also moves, the spring two 49 is contracted under stress, when the baffle 43 moves to the position that all the wire connection ports are exposed, the plug at the rear side of the circuit breaker 7 is also inserted into the inside of the corresponding wire connection port of the incoming line frame 6 and the outgoing line frame 8, at this time, the limiting column 44 is located at the most front side of the limiting groove 45, the single-chip microcomputer 10 controls the circuit breaker 7 to work, the output end of the incoming line frame 6 is electrically connected with the input end of the circuit breaker 7, the output end of the circuit breaker 7 is electrically connected with the input end of the outgoing line frame 8, the incoming line frame 6, the circuit breaker 7 and the outgoing line frame 8 form a passage, high-voltage current enters through the incoming line frame 6, flows out from the outgoing line frame 8 through the connection of the circuit breaker 7 and is distributed, at the same time, the single-chip microcomputer 10 controls the voltage transformer 9 to work, the voltage transformer 9 measures the power consumption, when the circuit breaker trolley needs to be disassembled, the insertion column 462 is pushed inward, the spring one 463 is contracted under stress, until the outer end of the insertion column 462 is completely separated from the inside of the insertion opening 464, the base 5 is pulled forward, the circuit breaker trolley is not limited, and the circuit breaker trolley can be quickly disassembled and assembled.

[0026] It is worth noting that the single-chip microcomputer 10 disclosed in the above embodiment is an S7-200 single-chip microcomputer, the circuit breaker 7 is a PT circuit breaker, and the voltage transformer 9 is a JLSZV voltage transformer, and the method for controlling the circuit breaker 7 and the voltage transformer 9 to work by the single-chip microcomputer 10 is a commonly used method in the prior art.

[0027] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation in the content of the utility model specification and drawings or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.

Claims

1. A high-voltage incoming line cabinet with self-locking function, characterized in that: It include incoming line cabinet body (1) and connecting mechanism (4); Incoming line cabinet body (1): the upper and lower ends of the front side are provided with cabinet doors (2), the upper end of the inside of the incoming line cabinet body (1) is provided with a mounting plate (3), and the middle part of the inside of the incoming line cabinet body (1) is slidably connected with a base (5); The connecting mechanism (4) includes a handcart (41), a slide column (42), a baffle (43), a limiting column (44), a limiting groove (45) and a fixing assembly (46), the handcart (41) is slidably connected to the upper end of the base (5), the slide columns (42) are respectively arranged on the left and right sides of the front end of the mounting plate (3), the baffles (43) are slidably connected between the two slide columns (42), the limiting grooves (45) are respectively formed on the left and right sides of the handcart (41), the limiting columns (44) are respectively arranged on the front ends of the left and right side walls of the baffle (43), the limiting columns (44) are all matched with the limiting grooves (45) adjacent in the vertical direction, and the fixing assemblies (46) are all arranged on the front end of the inside of the base (5).

2. The high-voltage incoming line cabinet with self-locking function according to claim 1, characterized in that: It also includes a single-chip microcomputer (10), which is arranged on the front end of the middle part of the upper cabinet door (2), and the input end of the single-chip microcomputer (10) is electrically connected with an external power supply.

3. The high-voltage incoming line cabinet with self-locking function according to claim 1, characterized in that: The fixing assembly (46) includes mounting grooves (461), plug columns (462), springs (463) and sockets (464), the mounting grooves (461) are respectively formed on the front side upper ends of the base (5), the plug columns (462) are all slidably connected to the interiors of the mounting grooves (461), the springs (463) are all arranged between the middle parts of the plug columns (462) and the inner walls of the mounting grooves (461) adjacent in the vertical direction, the springs (463) are all sleeved on the outer surfaces of the plug columns (462), the sockets (464) are respectively formed on the front ends of the middle parts of the left and right side walls of the incoming line cabinet body (1), and the outer side ends of the plug columns (462) are all inserted into the inner walls of the sockets (464) adjacent in the vertical direction.

4. The high-voltage incoming line cabinet with self-locking function according to claim 1, characterized in that: The connecting mechanism (4) further includes a lead screw (47) and a connecting head (48), the lead screw (47) is rotationally connected to the inner wall of the base (5), the outer surface of the lead screw (47) is threadedly connected to the inner lower end of the handcart (41), the connecting head (48) is arranged on the front end of the lead screw (47), and a notch is formed in the front end of the connecting head (48).

5. The high-voltage incoming line cabinet with self-locking function according to claim 1, characterized in that: The connecting mechanism (4) further includes springs (49), the springs (49) are all arranged between the side, away from the middle part of the slide column (42), of the baffle (43) and the inner wall of the mounting plate (3), the springs (49) are all sleeved on the outer surfaces of the slide columns (42), and the outer surfaces of the slide columns (42) are all provided with limiting protrusions.

6. The high-voltage incoming line cabinet with self-locking function according to claim 2, characterized in that: It also includes an incoming line rack (6), a circuit breaker (7) and an outgoing line rack (8), the incoming line rack (6) is arranged on the inside upper end rear side of the incoming line cabinet body (1), the circuit breaker (7) is arranged on the inside rear side of the handcart (41), the outgoing line rack (8) is arranged on the inside lower end rear side of the cabinet body (1), the input end of the circuit breaker (7) is electrically connected with the output end of the single-chip microcomputer (10), and the incoming line rack (6), the circuit breaker (7) and the outgoing line rack (8) are all matched for installation.

7. The high-voltage incoming line cabinet with self-locking function according to claim 6, characterized in that: Also include voltage transformer (9), the voltage transformer (9) is arranged in the inside lower end front side of the cabinet body (1), voltage transformer (9) and single-chip microcomputer (10) two-way electric connection, voltage transformer (9) and incoming line frame (6) are parallelly connected.